US Patent No: 7,931,086

Number of patents in Portfolio can not be more than 2000

Heating systems for heating subsurface formations

ALSO PUBLISHED AS: 20090095477
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Abstract

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Methods and systems for heating a subsurface formation are described herein. A heating system for a subsurface formation includes a sealed conduit positioned in an opening in the formation and a heat source. The sealed conduit includes a heat transfer fluid. The heat source provides heat to a portion of the sealed conduit to change phase of the heat transfer fluid from a liquid to a vapor. The vapor in the sealed conduit rises in the sealed conduit, condenses to transfer heat to the formation and returns to the conduit portion as a liquid.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SHELL OIL COMPANYHOUSTON, TX5142

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nguyen, Scott Vinh - 26 974
Vinegar, Harold J Bellaire, TX 547 54415

Cited Art Landscape

Patent Info (Count) # Cites Year
 
SHELL OIL COMPANY (349)
4,359,687 Method and apparatus for determining shaliness and oil saturations in earth formations using induced polarization in the frequency domain 275 1980
4,398,151 Method for correcting an electrical log for the presence of shale in a formation 264 1982
4,583,046 Apparatus for focused electrode induced polarization logging 267 1983
4,499,209 Process for the preparation of a Fischer-Tropsch catalyst and preparation of hydrocarbons from syngas 210 1983
4,540,882 Method of determining drilling fluid invasion 274 1983
4,542,648 Method of correlating a core sample with its original position in a borehole 275 1983
4,571,491 Method of imaging the atomic number of a sample 283 1983
4,583,242 Apparatus for positioning a sample in a computerized axial tomographic scanner 269 1983
4,613,754 Tomographic calibration apparatus 279 1983
4,635,197 High resolution tomographic imaging method 263 1983
4,644,283 In-situ method for determining pore size distribution, capillary pressure and permeability 276 1984
4,570,715 Formation-tailored method and apparatus for uniformly heating long subterranean intervals at high temperature 311 1984
4,663,711 Method of analyzing fluid saturation using computerized axial tomography 264 1984
4,572,299 Heater cable installation 292 1984
4,585,066 Well treating process for installing a cable bundle containing strands of changing diameter 264 1984
4,704,514 Heating rate variant elongated electrical resistance heater 313 1985
4,671,102 Method and apparatus for determining distribution of fluids 284 1985
4,626,665 Metal oversheathed electrical resistance heater 296 1985
4,719,423 NMR imaging of materials for transport properties 290 1985
4,728,892 NMR imaging of materials 315 1985
4,640,352 In-situ steam drive oil recovery process 305 1985
4,730,162 Time-domain induced polarization logging method and apparatus with gated amplification level 262 1985
4,658,215 Method for induced polarization logging 267 1986
4,616,705 Mini-well temperature profiling process 283 1986
4,769,602 Determining multiphase saturations by NMR imaging of multiple nuclides 285 1986
4,769,606 Induced polarization method and apparatus for distinguishing dispersed and laminated clay in earth formations 268 1986
4,743,854 In-situ induced polarization method for determining formation permeability 263 1986
4,827,761 Sample holder 277 1987
4,856,341 Apparatus for analysis of failure of material 270 1987
5,306,640 Method for determining preselected properties of a crude oil 267 1987
4,886,118 Conductively heating a subterranean oil shale to create permeability and subsequently produce oil 335 1988
4,866,983 Analytical methods and apparatus for measuring the oil content of sponge core 266 1988
4,893,504 Method for determining capillary pressure and relative permeability by imaging 192 1988
4,884,455 Method for analysis of failure of material employing imaging 268 1989
4,987,368 Nuclear magnetism logging tool using high-temperature superconducting squid detectors 288 1989
5,042,579 Method and apparatus for producing tar sand deposits containing conductive layers 101 1990
5,046,559 Method and apparatus for producing hydrocarbon bearing deposits in formations having shale layers 309 1990
5,060,726 Method and apparatus for producing tar sand deposits containing conductive layers having little or no vertical communication 279 1990
5,060,287 Heater utilizing copper-nickel alloy core 306 1990
5,065,818 Subterranean heaters 298 1991
5,103,909 Profile control in enhanced oil recovery 99 1991
5,189,283 Current to power crossover heater control 272 1991
5,168,927 Method utilizing spot tracer injection and production induced transport for measurement of residual oil saturation 265 1991
5,226,961 High temperature wellbore cement slurry 283 1992
5,255,742 Heat injection process 327 1992
5,297,626 Oil recovery process 306 1992
5,236,039 Balanced-line RF electrode system for use in RF ground heating to recover oil from oil shale 331 1992
5,366,012 Method of completing an uncased section of a borehole 533 1993
5,391,291 Hydrogenation catalyst and process 271 1993
5,468,372 Process of hydrotreating and/or hydrocracking hydrocarbon streams or tail gas treating sulfur-containing gas streams 128 1993
5,392,854 Oil recovery process 308 1993
5,404,952 Heat injection process and apparatus 289 1993
5,411,089 Heat injection process 281 1993
5,433,271 Heat injection process 278 1993
5,409,071 Method to cement a wellbore 273 1994
5,497,087 NMR logging of natural gas reservoirs 303 1994
5,498,960 NMR logging of natural gas in reservoirs 318 1994
5,541,517 Method for drilling a borehole from one cased borehole to another cased borehole 271 1995
5,862,858 Flameless combustor 290 1996
5,899,269 Flameless combustor 309 1996
5,744,025 Process for hydrotreating metal-contaminated hydrocarbonaceous feedstock 119 1997
6,056,057 Heater well method and apparatus 308 1997
6,079,499 Heater well method and apparatus 303 1997
6,094,048 NMR logging of natural gas reservoirs 268 1997
6,023,554 Electrical heater 308 1998
6,102,122 Control of heat injection based on temperature and in-situ stress measurement 275 1998
6,019,172 Flameless combustor 279 1999
6,218,333 Preparation of a hydrotreating catalyst 118 1999
6,540,018 Method and apparatus for heating a wellbore 152 1999
6,290,841 Hydrotreating process using sulfur activated non-calcined catalyst 119 2000
2002/0036,085 Toroidal choke inductor for wireless communication and control 71 2001
6,679,332 Petroleum well having downhole sensors, communication and power 190 2001
6,715,550 Controllable gas-lift well and valve 144 2001
6,981,553 Controlled downhole chemical injection 139 2001
7,147,059 Use of downhole high pressure gas in a gas-lift well and associated methods 141 2001
7,170,424 Oil well casting electrical power pick-off points 137 2001
7,259,688 Wireless reservoir production control 95 2001
2002/0027,001 In situ thermal processing of a coal formation to produce a selected gas mixture 192 2001
2002/0033,253 In situ thermal processing of a hydrocarbon containing formation using insulated conductor heat sources 197 2001
2002/0036,089 In situ thermal processing of a hydrocarbon containing formation using distributed combustor heat sources 192 2001
2002/0038,069 In situ thermal processing of a coal formation to produce a mixture of olefins, oxygenated hydrocarbons, and aromatic hydrocarbons 191 2001
2002/0040,779 In situ thermal processing of a hydrocarbon containing formation to produce a mixture containing olefins, oxygenated hydrocarbons, and/or aromatic hydrocarbons 198 2001
2002/0040,780 In situ thermal processing of a hydrocarbon containing formation to produce a selected mixture 194 2001
2002/0053,431 In situ thermal processing of a hydrocarbon containing formation to produce a selected ratio of components in a gas 194 2001
2002/0076,212 In situ thermal processing of a hydrocarbon containing formation producing a mixture with oxygenated hydrocarbons 195 2001
2003/0085,034 In situ thermal processing of a coal formation to produce pyrolsis products 192 2001
6,581,684 In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids 249 2001
6,588,503 In Situ thermal processing of a coal formation to control product composition 209 2001
6,588,504 In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids 217 2001
6,591,906 In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content 234 2001
6,591,907 In situ thermal processing of a coal formation with a selected vitrinite reflectance 209 2001
6,607,033 In Situ thermal processing of a coal formation to produce a condensate 205 2001
6,609,570 In situ thermal processing of a coal formation and ammonia production 205 2001
6,688,387 In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate 224 2001
6,698,515 In situ thermal processing of a coal formation using a relatively slow heating rate 205 2001
6,702,016 In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer 213 2001
6,708,758 In situ thermal processing of a coal formation leaving one or more selected unprocessed areas 214 2001
6,712,135 In situ thermal processing of a coal formation in reducing environment 204 2001
6,712,136 In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing 253 2001
6,712,137 In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material 203 2001
6,715,546 In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore 227 2001
6,715,547 In situ thermal processing of a hydrocarbon containing formation to form a substantially uniform, high permeability formation 208 2001
6,715,548 In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids 208 2001
6,715,549 In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio 171 2001
6,719,047 In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment 208 2001
6,722,429 In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas 225 2001
6,722,430 In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio 204 2001
6,722,431 In situ thermal processing of hydrocarbons within a relatively permeable formation 223 2001
6,725,920 In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products 209 2001
6,725,921 In situ thermal processing of a coal formation by controlling a pressure of the formation 157 2001
6,725,928 In situ thermal processing of a coal formation using a distributed combustor 204 2001
6,729,395 In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells 209 2001
6,729,396 In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range 202 2001
6,729,397 In situ thermal processing of a hydrocarbon containing formation with a selected vitrinite reflectance 208 2001
6,729,401 In situ thermal processing of a hydrocarbon containing formation and ammonia production 208 2001
6,732,794 In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content 208 2001
6,732,795 In situ thermal processing of a hydrocarbon containing formation to pyrolyze a selected percentage of hydrocarbon material 168 2001
6,732,796 In situ production of synthesis gas from a hydrocarbon containing formation, the synthesis gas having a selected H2 to CO ratio 228 2001
6,736,215 In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration 214 2001
6,739,393 In situ thermal processing of a coal formation and tuning production 203 2001
6,739,394 Production of synthesis gas from a hydrocarbon containing formation 211 2001
6,742,587 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation 203 2001
6,742,588 In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content 234 2001
6,742,589 In situ thermal processing of a coal formation using repeating triangular patterns of heat sources 202 2001
6,742,593 In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation 209 2001
6,745,831 In situ thermal processing of a hydrocarbon containing formation by controlling a pressure of the formation 227 2001
6,745,832 Situ thermal processing of a hydrocarbon containing formation to control product composition 189 2001
6,745,837 In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate 209 2001
6,749,021 In situ thermal processing of a coal formation using a controlled heating rate 206 2001
6,752,210 In situ thermal processing of a coal formation using heat sources positioned within open wellbores 220 2001
6,758,268 In situ thermal processing of a hydrocarbon containing formation using a relatively slow heating rate 208 2001
6,761,216 In situ thermal processing of a coal formation to produce hydrocarbon fluids and synthesis gas 204 2001
6,763,886 In situ thermal processing of a coal formation with carbon dioxide sequestration 199 2001
6,769,483 In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources 209 2001
6,769,485 In situ production of synthesis gas from a coal formation through a heat source wellbore 206 2001
6,789,625 In situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources 207 2001
6,805,195 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas 196 2001
6,820,688 In situ thermal processing of coal formation with a selected hydrogen content and/or selected H/C ratio 185 2001
6,866,097 In situ thermal processing of a coal formation to increase a permeability/porosity of the formation 169 2001
6,871,707 In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration 163 2001
6,877,554 In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control 161 2001
6,880,635 In situ production of synthesis gas from a coal formation, the synthesis gas having a selected H2 to CO ratio 163 2001
6,889,769 In situ thermal processing of a hydrocarbon containing formation with a selected moisture content 149 2001
6,896,053 In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources 171 2001
6,902,003 In situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content 148 2001
6,902,004 In situ thermal processing of a hydrocarbon containing formation using a movable heating element 153 2001
6,910,536 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor 150 2001
6,913,078 In Situ thermal processing of hydrocarbons within a relatively impermeable formation 165 2001
6,948,563 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content 150 2001
6,953,087 Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation 168 2001
6,959,761 In situ thermal processing of a coal formation with a selected ratio of heat sources to production wells 147 2001
6,966,372 In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids 152 2001
6,973,967 Situ thermal processing of a coal formation using pressure and/or temperature control 146 2001
6,994,160 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range 164 2001
6,994,168 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio 144 2001
6,997,255 In situ thermal processing of a hydrocarbon containing formation in a reducing environment 145 2001
7,036,583 In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation 164 2001
7,086,468 In situ thermal processing of a hydrocarbon containing formation using heat sources positioned within open wellbores 144 2001
7,096,941 In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer 140 2001
7,096,953 In situ thermal processing of a coal formation using a movable heating element 164 2001
6,759,364 Arsenic removal catalyst and method for making same 88 2001
6,821,501 Integrated flameless distributed combustion/steam reforming membrane reactor for hydrogen production and use thereof in zero emissions hybrid power system 98 2002
2003/0079,877 In situ thermal processing of a relatively impermeable formation in a reducing environment 208 2002
2003/0146,002 Removable heat sources for in situ thermal processing of an oil shale formation 205 2002
6,782,947 In situ thermal processing of a relatively impermeable formation to increase permeability of the formation 249 2002
6,877,555 In situ thermal processing of an oil shale formation while inhibiting coking 183 2002
6,880,633 In situ thermal processing of an oil shale formation to produce a desired product 199 2002
6,915,850 In situ thermal processing of an oil shale formation having permeable and impermeable sections 154 2002
6,918,442 In situ thermal processing of an oil shale formation in a reducing environment 152 2002
6,918,443 In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range 167 2002
6,923,257 In situ thermal processing of an oil shale formation to produce a condensate 170 2002
6,929,067 Heat sources with conductive material for in situ thermal processing of an oil shale formation 165 2002
6,948,562 Production of a blending agent using an in situ thermal process in a relatively permeable formation 183 2002
6,951,247 In situ thermal processing of an oil shale formation using horizontal heat sources 187 2002
6,964,300 In situ thermal recovery from a relatively permeable formation with backproduction through a heater wellbore 181 2002
6,966,374 In situ thermal recovery from a relatively permeable formation using gas to increase mobility 156 2002
6,981,548 In situ thermal recovery from a relatively permeable formation 153 2002
6,991,032 In situ thermal processing of an oil shale formation using a pattern of heat sources 164 2002
6,994,169 In situ thermal processing of an oil shale formation with a selected property 153 2002
6,997,518 In situ thermal processing and solution mining of an oil shale formation 172 2002
7,004,247 Conductor-in-conduit heat sources for in situ thermal processing of an oil shale formation 185 2002
7,004,251 In situ thermal processing and remediation of an oil shale formation 185 2002
7,032,660 In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation 178 2002
7,040,397 Thermal processing of an oil shale formation to increase permeability of the formation 164 2002
7,040,398 In situ thermal processing of a relatively permeable formation in a reducing environment 148 2002
7,040,399 In situ thermal processing of an oil shale formation using a controlled heating rate 163 2002
7,040,400 In situ thermal processing of a relatively impermeable formation using an open wellbore 173 2002
7,051,807 In situ thermal recovery from a relatively permeable formation with quality control 110 2002
7,055,600 In situ thermal recovery from a relatively permeable formation with controlled production rate 170 2002
7,096,942 In situ thermal processing of a relatively permeable formation while controlling pressure 174 2002
2003/0196,789 In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment 220 2002
2003/0201,098 In situ recovery from a hydrocarbon containing formation using one or more simulations 215 2002
6,932,155 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well 191 2002
6,969,123 Upgrading and mining of coal 187 2002
6,991,045 Forming openings in a hydrocarbon containing formation using magnetic tracking 154 2002
7,011,154 In situ recovery from a kerogen and liquid hydrocarbon containing formation 183 2002
7,051,808 Seismic monitoring of in situ conversion in a hydrocarbon containing formation 91 2002
7,063,145 Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations 175 2002
7,066,254 In situ thermal processing of a tar sands formation 207 2002
7,066,257 In situ recovery from lean and rich zones in a hydrocarbon containing formation 154 2002
7,077,198 In situ recovery from a hydrocarbon containing formation using barriers 193 2002
7,077,199 In situ thermal processing of an oil reservoir formation 182 2002
7,086,465 In situ production of a blending agent from a hydrocarbon containing formation 152 2002
7,090,013 In situ thermal processing of a hydrocarbon containing formation to produce heated fluids 175 2002
7,100,994 Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation 172 2002
7,104,319 In situ thermal processing of a heavy oil diatomite formation 175 2002
7,114,566 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor 181 2002
7,128,153 Treatment of a hydrocarbon containing formation after heating 159 2002
7,156,176 Installation and use of removable heaters in a hydrocarbon containing formation 154 2002
7,165,615 In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden 175 2002
7,055,602 Method and composition for enhanced hydrocarbons recovery 93 2003
6,923,258 In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content 166 2003
6,958,704 Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters 164 2003
2004/0140,096 Insulated conductor temperature limited heaters 166 2003
2004/0144,540 High voltage temperature limited heaters 156 2003
2004/0144,541 Forming wellbores using acoustic methods 118 2003
2004/0146,288 Temperature limited heaters for heating subsurface formations or wellbores 174 2003
2005/0006,097 Variable frequency temperature limited heaters 167 2003
7,073,578 Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation 191 2003
7,121,341 Conductor-in-conduit temperature limited heaters 151 2003
7,219,734 Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation 167 2003
7,121,342 Thermal processes for subsurface formations 211 2004
2005/0133,405 Systems and methods of producing a crude product 79 2004
2005/0133,414 Systems, methods, and catalysts for producing a crude product 91 2004
2005/0269,093 Variable frequency temperature limited heaters 113 2005
2005/0269,313 Temperature limited heaters with high power factors 142 2005
2006/0005,968 Temperature limited heaters with relatively constant current 98 2005
2006/0289,536 Subsurface electrical heaters using nitride insulation 141 2005
7,320,364 Inhibiting reflux in a heated well of an in situ conversion system 101 2005
7,357,180 Inhibiting effects of sloughing in wellbores 120 2005
7,370,704 Triaxial temperature limited heater 113 2005
7,383,877 Temperature limited heaters with thermally conductive fluid used to heat subsurface formations 108 2005
7,424,915 Vacuum pumping of conductor-in-conduit heaters 113 2005
7,431,076 Temperature limited heaters using modulated DC power 113 2005
7,481,274 Temperature limited heaters with relatively constant current 102 2005
7,490,665 Variable frequency temperature limited heaters 107 2005
7,510,000 Reducing viscosity of oil for production from a hydrocarbon containing formation 104 2005
2006/0178,546 Method and apparatus for making a middle distillate product and lower olefins from a hydrocarbon feedstock 76 2006
2006/0191,820 Hydrocarbon cracking process for converting gas oil preferentially to middle distillate and lower olefins 74 2006
7,225,866 In situ thermal processing of an oil shale formation using a pattern of heat sources 165 2006
2006/0231,465 Systems, methods, and catalysts for producing a crude product 91 2006
7,426,959 Systems and methods for producing oil and/or gas 42 2006
2007/0045,266 In situ conversion process utilizing a closed loop heating system 137 2006
2007/0045,267 Subsurface connection methods for subsurface heaters 158 2006
2007/0045,268 Varying properties along lengths of temperature limited heaters 148 2006
2007/0108,200 Low temperature barrier wellbores formed using water flushing 126 2006
2007/0108,201 Insulated conductor temperature limited heater for subsurface heating coupled in a three-phase wye configuration 134 2006
2007/0119,098 Treatment of gas from an in situ conversion process 134 2006
2007/0133,959 Grouped exposed metal heaters 112 2006
2007/0133,960 In situ conversion process systems utilizing wellbores in at least two regions of a formation 128 2006
2007/0137,856 Double barrier system for an in situ conversion process 98 2006
2007/0137,857 Low temperature monitoring system for subsurface barriers 96 2006
2007/0144,732 Low temperature barriers for use with in situ processes 121 2006
2008/0217,321 Temperature limited heater utilizing non-ferromagnetic conductor 129 2006
7,435,037 Low temperature barriers with heat interceptor wells for in situ processes 123 2006
7,500,528 Low temperature barrier wellbores formed using water flushing 113 2006
7,527,094 Double barrier system for an in situ conversion process 112 2006
7,575,052 In situ conversion process utilizing a closed loop heating system 102 2006
7,575,053 Low temperature monitoring system for subsurface barriers 101 2006
2006/0289,340 METHODS FOR PRODUCING A TOTAL PRODUCT IN THE PRESENCE OF SULFUR 90 2006
2007/0000,810 METHOD FOR PRODUCING A CRUDE PRODUCT WITH REDUCED TAN 99 2006
7,360,588 Thermal processes for subsurface formations 107 2006
2007/0095,536 Cogeneration systems and processes for treating hydrocarbon containing formations 131 2006
2007/0095,537 Solution mining dawsonite from hydrocarbon containing formations with a chelating agent 138 2006
2007/0125,533 Methods of hydrotreating a liquid stream to remove clogging compounds 92 2006
2007/0127,897 Subsurface heaters with low sulfidation rates 138 2006
2007/0131,415 Solution mining and heating by oxidation for treating hydrocarbon containing formations 134 2006
2007/0131,419 Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid 90 2006
2007/0131,420 Methods of cracking a crude product to produce additional crude products 88 2006
2007/0131,428 Methods of filtering a liquid stream produced from an in situ heat treatment process 132 2006
2007/0221,377 Solution mining systems and methods for treating hydrocarbon containing formations 94 2006
2008/0017,370 Temperature limited heater with a conduit substantially electrically isolated from the formation 68 2006
2008/0107,577 Varying heating in dawsonite zones in hydrocarbon containing formations 58 2006
7,549,470 Solution mining and heating by oxidation for treating hydrocarbon containing formations 132 2006
7,556,095 Solution mining dawsonite from hydrocarbon containing formations with a chelating agent 132 2006
7,556,096 Varying heating in dawsonite zones in hydrocarbon containing formations 119 2006
7,559,367 Temperature limited heater with a conduit substantially electrically isolated from the formation 115 2006
7,559,368 Solution mining systems and methods for treating hydrocarbon containing formations 114 2006
7,562,706 Systems and methods for producing hydrocarbons from tar sands formations 113 2006
7,581,589 Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid 112 2006
7,584,789 Methods of cracking a crude product to produce additional crude products 107 2006
7,591,310 Methods of hydrotreating a liquid stream to remove clogging compounds 108 2006
7,635,025 Cogeneration systems and processes for treating hydrocarbon containing formations 97 2006
7,461,691 In situ recovery from a hydrocarbon containing formation 143 2007
2007/0284,108 Compositions produced using an in situ heat treatment process 78 2007
2007/0289,733 Wellhead with non-ferromagnetic materials 69 2007
2008/0017,380 Non-ferromagnetic overburden casing 90 2007
2008/0035,346 Methods of producing transportation fuel 85 2007
2008/0035,347 Adjusting alloy compositions for selected properties in temperature limited heaters 80 2007
2008/0035,705 Welding shield for coupling heaters 82 2007
2008/0038,144 High strength alloys 81 2007
2008/0173,442 Sulfur barrier for use with in situ processes for treating formations 105 2007
2008/0173,444 Alternate energy source usage for in situ heat treatment processes 116 2007
2008/0173,449 Sour gas injection for use with in situ heat treatment 79 2007
2008/0174,115 Power systems utilizing the heat of produced formation fluid 114 2007
7,533,719 Wellhead with non-ferromagnetic materials 117 2007
7,604,052 Compositions produced using an in situ heat treatment process 109 2007
7,610,962 Sour gas injection for use with in situ heat treatment 89 2007
7,631,689 Sulfur barrier for use with in situ processes for treating formations 101 2007
7,635,023 Time sequenced heating of multiple layers in a hydrocarbon containing formation 108 2007
7,673,786 Welding shield for coupling heaters 82 2007
7,683,296 Adjusting alloy compositions for selected properties in temperature limited heaters 81 2007
2009/0101,346 In situ recovery from a hydrocarbon containing formation 101 2007
7,735,935 In situ thermal processing of an oil shale formation containing carbonate minerals 78 2007
2008/0128,134 Producing drive fluid in situ in tar sands formations 103 2007
2008/0135,244 Heating hydrocarbon containing formations in a line drive staged process 101 2007
2008/0135,253 Treating tar sands formations with karsted zones 114 2007
2008/0135,254 In situ heat treatment process utilizing a closed loop heating system 102 2007
2008/0142,216 Treating tar sands formations with dolomite 114 2007
2008/0142,217 Using geothermal energy to heat a portion of a formation for an in situ heat treatment process 107 2007
2008/0185,147 Wax barrier for use with in situ processes for treating formations 98 2007
2008/0217,003 Gas injection to inhibit migration during an in situ heat treatment process 109 2007
2008/0217,004 Heating hydrocarbon containing formations in a checkerboard pattern staged process 90 2007
2008/0217,015 Heating hydrocarbon containing formations in a spiral startup staged sequence 94 2007
2008/0217,016 Creating fluid injectivity in tar sands formations 123 2007
2008/0236,831 Condensing vaporized water in situ to treat tar sands formations 114 2007
2008/0277,113 Heating tar sands formations while controlling pressure 111 2007
2008/0283,246 Heating tar sands formations to visbreaking temperatures 85 2007
2009/0014,180 Moving hydrocarbons through portions of tar sands formations with a fluid 118 2007
2009/0014,181 Creating and maintaining a gas cap in tar sands formations 118 2007
7,540,324 Heating hydrocarbon containing formations in a checkerboard pattern staged process 117 2007
7,562,707 Heating hydrocarbon containing formations in a line drive staged process 115 2007
7,631,690 Heating hydrocarbon containing formations in a spiral startup staged sequence 101 2007
7,635,024 Heating tar sands formations to visbreaking temperatures 98 2007
7,644,765 Heating tar sands formations while controlling pressure 80 2007
7,673,681 Treating tar sands formations with karsted zones 70 2007
7,677,310 Creating and maintaining a gas cap in tar sands formations 68 2007
7,677,314 Method of condensing vaporized water in situ to treat tar sands formations 67 2007
7,681,647 Method of producing drive fluid in situ in tar sands formations 82 2007
7,703,513 Wax barrier for use with in situ processes for treating formations 84 2007
7,717,171 Moving hydrocarbons through portions of tar sands formations with a fluid 75 2007
7,730,945 Using geothermal energy to heat a portion of a formation for an in situ heat treatment process 73 2007
7,730,946 Treating tar sands formations with dolomite 72 2007
7,730,947 Creating fluid injectivity in tar sands formations 73 2007
7,640,980 Thermal processes for subsurface formations 80 2008
2009/0084,547 DOWNHOLE BURNER SYSTEMS AND METHODS FOR HEATING SUBSURFACE FORMATIONS 90 2008
2009/0090,158 WELLBORE MANUFACTURING PROCESSES FOR IN SITU HEAT TREATMENT PROCESSES 104 2008
2009/0095,476 MOLTEN SALT AS A HEAT TRANSFER FLUID FOR HEATING A SUBSURFACE FORMATION 84 2008
2009/0095,477 HEATING SYSTEMS FOR HEATING SUBSURFACE FORMATIONS 90 2008
2009/0095,478 VARYING PROPERTIES OF IN SITU HEAT TREATMENT OF A TAR SANDS FORMATION BASED ON ASSESSED VISCOSITIES 102 2008
2009/0095,479 PRODUCTION FROM MULTIPLE ZONES OF A TAR SANDS FORMATION 102 2008
2009/0126,929 TREATING NAHCOLITE CONTAINING FORMATIONS AND SALINE ZONES 98 2008
2009/0189,617 CONTINUOUS SUBSURFACE HEATER TEMPERATURE MEASUREMENT 102 2008
2009/0194,269 THREE-PHASE HEATERS WITH COMMON OVERBURDEN SECTIONS FOR HEATING SUBSURFACE FORMATIONS 99 2008
2009/0194,333 RANGING METHODS FOR DEVELOPING WELLBORES IN SUBSURFACE FORMATIONS 97 2008
2009/0200,023 HEATING SUBSURFACE FORMATIONS BY OXIDIZING FUEL ON A FUEL CARRIER 100 2008
2009/0200,854 SOLUTION MINING AND IN SITU TREATMENT OF NAHCOLITE BEDS 98 2008
2010/0089,584 DOUBLE INSULATED HEATERS FOR TREATING SUBSURFACE FORMATIONS 48 2009
2010/0089,586 MOVABLE HEATERS FOR TREATING SUBSURFACE HYDROCARBON CONTAINING FORMATIONS 46 2009
 
Mobil Oil Corporation (24)
4,258,955 Process for in-situ leaching of uranium 71 1978
4,380,930 System for transmitting ultrasonic energy through core samples 183 1981
4,368,114 Octane and total yield improvement in catalytic cracking 123 1981
4,410,042 In-situ combustion method for recovery of heavy oil utilizing oxygen and carbon dioxide as initial oxidant 192 1981
4,549,396 Conversion of coal to electricity 271 1982
4,530,401 Method for maximum in-situ visbreaking of heavy oil 265 1982
4,429,745 Oil recovery method 202 1982
4,458,767 Method for directionally drilling a first well to intersect a second well 226 1982
4,598,392 Vibratory signal sweep seismic prospecting method and apparatus 163 1983
4,573,530 In-situ gasification of tar sands utilizing a combustible gas 259 1983
4,698,149 Enhanced recovery of hydrocarbonaceous fluids oil shale 192 1983
4,598,772 Method for operating a production well in an oxygen driven in-situ combustion oil recovery process 191 1983
4,577,690 Method of using seismic data to monitor firefloods 154 1984
4,598,770 Thermal recovery method for viscous oil 295 1984
4,669,542 Simultaneous recovery of crude from multiple zones in a reservoir 266 1984
4,766,958 Method of recovering viscous oil from reservoirs with multiple horizontal zones 179 1987
4,787,452 Disposal of produced formation fines during oil recovery 278 1987
4,982,786 Use of CO.sub.2 /steam to enhance floods in horizontal wellbores 256 1989
5,211,230 Method for enhanced oil recovery through a horizontal production well in a subsurface formation by in-situ combustion 286 1992
5,339,904 Oil recovery optimization using a well having both horizontal and vertical sections 261 1992
5,377,756 Method for producing low permeability reservoirs using a single well 221 1993
5,411,086 Oil recovery by enhanced imbitition in low permeability reservoirs 177 1993
5,415,231 Method for producing low permeability reservoirs using steam 269 1994
5,431,224 Method of thermal stimulation for recovery of hydrocarbons 276 1994
 
AMOCO CORPORATION (16)
4,184,548 Method for determining the position and inclination of a flame front during in situ combustion of an oil shale retort 153 1978
4,274,487 Indirect thermal stimulation of production wells 275 1979
4,537,252 Method of underground conversion of coal 267 1984
4,662,439 Method of underground conversion of coal 266 1985
4,662,443 Combination air-blown and oxygen-blown underground coal gasification process 269 1985
4,756,367 Method for producing natural gas from a coal seam 257 1987
5,059,303 Oil stabilization 201 1989
5,133,406 Generating oxygen-depleted air useful for increasing methane production 114 1991
5,388,640 Method for producing methane-containing gaseous mixtures 271 1993
5,388,641 Method for reducing the inert gas fraction in methane-containing gaseous mixtures obtained from underground formations 268 1993
5,388,642 Coalbed methane recovery using membrane separation of oxygen from air 268 1993
5,388,643 Coalbed methane recovery using pressure swing adsorption separation 265 1993
5,388,645 Method for producing methane-containing gaseous mixtures 278 1993
5,439,054 Method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation 274 1994
5,454,666 Method for disposing of unwanted gaseous fluid components within a solid carbonaceous subterranean formation 277 1994
5,566,755 Method for recovering methane from a solid carbonaceous subterranean formation 197 1995
 
Texaco Inc. (12)
4,524,826 Method of heating an oil shale formation 284 1982
4,592,423 Hydrocarbon stratum retorting means and method 265 1984
4,577,691 Method and apparatus for producing viscous hydrocarbons from a subterranean formation 114 1984
4,576,231 Method and apparatus for combating encroachment by in situ treated formations 284 1984
4,682,652 Producing hydrocarbons through successively perforated intervals of a horizontal well between two vertical wells 272 1986
5,102,551 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent 74 1991
5,093,002 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent 74 1991
5,199,490 Formation treating 83 1991
5,284,206 Formation treating 76 1992
5,632,336 Method for improving injectivity of fluids in oil reservoirs 268 1994
5,571,403 Process for extracting hydrocarbons from diatomite 182 1995
5,826,655 Method for enhanced recovery of viscous oil deposits 194 1996
 
Chevron Research Company (11)
4,299,086 Utilization of energy obtained by substoichiometric combustion of low heating value gases 278 1978
4,186,801 In situ combustion process for the recovery of liquid carbonaceous fuels from subterranean formations 279 1978
4,250,962 In situ combustion process for the recovery of liquid carbonaceous fuels from subterranean formations 267 1979
4,303,126 Arrangement of wells for producing subsurface viscous petroleum 185 1980
4,273,188 In situ combustion process for the recovery of liquid carbonaceous fuels from subterranean formations 267 1980
4,381,641 Substoichiometric combustion of low heating value gases 301 1980
4,366,668 Substoichiometric combustion of low heating value gases 282 1981
4,363,361 Substoichiometric combustion of low heating value gases 273 1981
4,551,226 Heat exchanger antifoulant 81 1982
4,460,044 Advancing heated annulus steam drive 195 1982
4,828,031 In situ chemical stimulation of diatomite formations 208 1987
 
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (9)
4,984,594 Vacuum method for removing soil contamination utilizing surface electrical heating 328 1989
5,190,405 Vacuum method for removing soil contaminants utilizing thermal conduction heating 303 1990
5,229,583 Surface heating blanket for soil remediation 290 1992
5,318,116 Vacuum method for removing soil contaminants utilizing thermal conduction heating 308 1993
5,553,189 Radiant plate heater for treatment of contaminated surfaces 285 1994
5,656,239 Method for recovering contaminants from soil utilizing electrical heating 288 1995
6,102,622 Remediation method 284 1998
5,997,214 Remediation method 282 1998
6,485,232 Low cost, self regulating heater for use in an in situ thermal desorption soil remediation system 265 2000
 
NOVELIS INC. (9)
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same 2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same 2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same 2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same 2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same 2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same 2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same 2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same 2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same 2001
 
BAKER HUGHES INCORPORATED (8)
5,173,213 Corrosion and anti-foulant composition and method of use 84 1991
5,782,301 Oil well heater cable 117 1996
6,088,294 Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction 205 1997
6,084,826 Measurement-while-drilling acoustic system employing multiple, segmented transmitters and receivers 168 1998
6,078,868 Reference signal encoding for seismic while drilling measurement 145 1999
6,427,124 Semblance processing for an acoustic measurement-while-drilling system for imaging of formation boundaries 149 1999
6,588,266 Monitoring of downhole parameters and tools utilizing fiber optics 155 2001
6,585,046 Live well heater cable 167 2001
 
AKAMAI TECHNOLOGIES, INC. (7)
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 25 2009
 
ATLANTIC RICHFIELD COMPANY (7)
4,399,866 Method for controlling the flow of subterranean water into a selected zone in a permeable subterranean carbonaceous deposit 207 1981
4,489,782 Viscous oil production using electrical current heating and lateral drain holes 294 1983
4,597,444 Method for excavating a large diameter shaft into the earth and at least partially through an oil-bearing formation 192 1984
4,662,437 Electrically stimulated well production system with flexible tubing conductor 173 1985
4,640,353 Electrode well and method of completion 210 1986
4,651,825 Enhanced well production 272 1986
4,744,245 Acoustic measurements in rock formations for determining fracture orientation 161 1986
 
EXXONMOBIL UPSTREAM RESEARCH COMPANY (6)
5,339,897 Recovery and upgrading of hydrocarbon utilizing in situ combustion and horizontal wells 325 1992
6,918,444 Method for production of hydrocarbons from organic-rich rock 114 2001
6,755,251 Downhole gas separation method and system 94 2002
7,128,150 Acid gas disposal method 92 2002
7,331,385 Methods of treating a subterranean formation to convert organic matter into producible hydrocarbons 90 2004
2007/0246,994 In situ co-development of oil shale with mineral recovery 100 2007
 
Standard Oil Company (Indiana) (6)
4,265,307 Shale oil recovery 262 1978
4,353,418 In situ retorting of oil shale 281 1980
4,401,163 Modified in situ retorting of oil shale 193 1980
4,425,967 Ignition procedure and process for in situ retorting of oil shale 154 1981
4,457,374 Transient response process for detecting in situ retorting conditions 246 1982
4,552,214 Pulsed in situ retorting in an array of oil shale retorts 193 1984
 
UENTECH CORPORATION (6)
4,821,798 Heating system for rathole oil well 144 1987
4,793,409 Method and apparatus for forming an insulated oil well casing 103 1987
5,070,533 Robust electrical heating systems for mineral wells 79 1990
5,099,918 Power sources for downhole electrical heating 280 1991
5,621,844 Electrical heating of mineral well deposits using downhole impedance transformation networks 322 1995
5,713,415 Low flux leakage cables and cable terminations for A.C. electrical heating of oil deposits 282 1996
 
WORLD ENERGY SYSTEMS, INC. (6)
4,199,024 Multistage gas generator 149 1979
4,597,441 Recovery of oil by in situ hydrogenation 306 1984
4,691,771 Recovery of oil by in-situ combustion followed by in-situ hydrogenation 281 1986
6,016,867 Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking 305 1998
6,016,868 Production of synthetic crude oil from heavy hydrocarbons recovered by in situ hydrovisbreaking 310 1998
6,328,104 Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking 305 2000
 
DELAWARE CAPITAL FORMATION, INC. (5)
4,717,814 Slotted autoregulating heater 169 1984
4,623,401 Heat treatment with an autoregulating heater 198 1986
4,814,587 High power self-regulating heater 156 1986
4,794,226 Self-regulating porous heater device 143 1986
5,073,625 Self-regulating porous heating device 147 1988
 
HALLIBURTON ENERGY SERVICES, INC. (5)
5,899,958 Logging while drilling borehole imaging and dipmeter device 231 1995
5,926,437 Method and apparatus for seismic exploration 146 1997
6,951,250 Sealant compositions and methods of using the same to isolate a subterranean zone from a disposal well 68 2003
7,147,057 Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore 116 2003
7,337,841 Casing comprising stress-absorbing materials and associated methods of use 41 2004
 
LIFESHIELD SCIENCES LLC (5)
2004/0158,312 Braided endoluminal device having tapered filaments 4 2003
2004/0158,312 Braided endoluminal device having tapered filaments 4 2003
2004/0158,312 Braided endoluminal device having tapered filaments 4 2003
2004/0158,312 Braided endoluminal device having tapered filaments 4 2003
2004/0158,312 Braided endoluminal device having tapered filaments 4 2003
 
UOP LLC (5)
4,310,440 Crystalline metallophosphate compositions 458 1980
4,440,871 Crystalline silicoaluminophosphates 740 1982
4,500,651 Titanium-containing molecular sieves 176 1983
4,686,029 Dewaxing catalysts and processes employing titanoaluminosilicate molecular sieves 83 1985
5,802,870 Sorption cooling process and system 84 1997
 
CANADIAN OCCIDENTAL PETROLEUM LTD. (4)
4,818,370 Process for converting heavy crudes, tars, and bitumens to lighter products in the presence of brine at supercritical conditions 297 1987
4,983,319 Preparation of low-viscosity improved stable crude oil transport emulsions 279 1988
5,340,467 Process for recovery of hydrocarbons and rejection of sand 311 1991
5,316,664 Process for recovery of hydrocarbons and rejection of sand 308 1992
 
CHEVRON RESEARCH AND TECHNOLOGY COMPANY (4)
5,054,551 In-situ heated annulus refining process 203 1990
5,085,276 Production of oil from low permeability formations by sequential steam fracturing 210 1990
5,145,003 Method for in-situ heated annulus refining process 219 1991
5,305,829 Oil production from diatomite formations by fracture steamdrive 208 1992
 
ENERGY, UNITED STATES DEPARTMENT OF (4)
4,385,661 Downhole steam generator with improved preheating, combustion and protection features 165 1981
2008/0035,348 Temperature limited heaters using phase transformation of ferromagnetic material 60 2007
7,597,147 Temperature limited heaters using phase transformation of ferromagnetic material 106 2007
2009/0078,461 DRILLING SUBSURFACE WELLBORES WITH CUTTING STRUCTURES 86 2008
 
Exxon Research and Engineering Company (4)
4,458,757 In situ shale-oil recovery process 258 1983
5,275,726 Spiral wound element for separation 92 1992
5,935,421 Continuous in-situ combination process for upgrading heavy oil 221 1996
6,110,358 Process for manufacturing improved process oils using extraction of hydrotreated distillates 188 1999
 
IIT Research Institute (4)
RE30738 Apparatus and method for in situ heat processing of hydrocarbonaceous formations 316 1980
4,498,535 Apparatus and method for in situ controlled heat processing of hydrocarbonaceous formations with a controlled parameter line 262 1982
4,545,435 Conduction heating of hydrocarbonaceous formations 191 1983
5,621,845 Apparatus for electrode heating of earth for recovery of subsurface volatiles and semi-volatiles 139 1995
 
Cities Service Company (3)
4,216,079 Emulsion breaking with surfactant recovery 111 1979
4,412,585 Electrothermal process for recovering hydrocarbons 276 1982
4,501,445 Method of in-situ hydrogenation of carbonaceous material 275 1983
 
Indugas, Inc. (3)
4,913,065 In situ thermal waste disposal system 205 1989
5,020,596 Enhanced oil recovery system with a radiant tube heater 262 1990
5,082,055 Gas fired radiant tube heater 281 1991
 
INSTITUT FRANCAIS DU PETROLE (3)
5,217,075 Method and device for carrying out interventions in wells where high temperatures prevail 75 1991
5,363,094 Stationary system for the active and/or passive monitoring of an underground deposit 207 1992
6,605,566 Supported bimetallic catalyst with a strong interaction between a group VIII metal and tin, and its use in a catalytic reforming process 66 2001
 
TUBARC TECHNOLOGIES, LLC (3)
6,766,817 Fluid conduction utilizing a reversible unsaturated siphon with tubarc porosity action 755 2002
6,918,404 Irrigation and drainage based on hydrodynamic unsaturated fluid flow 471 2004
7,066,586 Ink refill and recharging system 456 2004
 
TYCO INTERNATIONAL LTD., A CORPORATION OF BERMUDA (3)
4,698,583 Method of monitoring a heater for faults 148 1985
4,849,611 Self-regulating heater employing reactive components 158 1985
4,785,163 Method for monitoring a heater 142 1987
 
UNIVERSITY OF UTAH (3)
4,324,292 Process for recovering products from oil shale 267 1980
4,396,062 Apparatus and method for time-domain tracking of high-speed chemical reactions 311 1980
4,409,090 Process for recovering products from tar sand 280 1982
 
Z-SEIS CORPORATION (3)
6,269,310 System for eliminating headwaves in a tomographic process 140 1999
6,193,010 System for generating a seismic signal in a borehole 142 1999
6,196,350 Apparatus and method for attenuating tube waves in a borehole 139 1999
 
ALBERTA INNOVATES - ENERGY AND ENVIRONMENT SOLUTIONS (2)
5,456,315 Horizontal well gravity drainage combustion process for oil recovery 210 1994
6,026,914 Wellbore profiling system 165 1998
 
ALBERTA INNOVATES - TECHNOLOGY FUTURES (2)
6,257,334 Steam-assisted gravity drainage heavy oil recovery process 123 1999
6,412,559 Process for recovering methane and/or sequestering fluids 270 2000
 
EDWARDS DEVELOPMENT CORP., A CORP OF NV. (2)
4,817,711 System for recovery of petroleum from petroleum impregnated media 339 1987
4,912,971 System for recovery of petroleum from petroleum impregnated media 211 1989
 
Energy Research Corporation (2)
4,772,634 Apparatus and method for methanol production using a fuel cell to regulate the gas composition entering the methanol synthesizer 266 1986
5,554,453 Carbonate fuel cell system with thermally integrated gasification 293 1995
 
EOR INTERNATIONAL, INC. (2)
4,524,827 Single well stimulation for the recovery of liquid hydrocarbons from subsurface formations 307 1983
5,751,895 Selective excitation of heating electrodes for oil wells 261 1996
 
HALLIBURTON COMPANY (2)
4,445,574 Continuous borehole formed horizontally through a hydrocarbon producing formation 186 1982
4,808,925 Three magnet casing collar locator 187 1987
 
LOS ALAMOS NATIONAL SECURITY, LLC (2)
6,910,537 Canister, sealing method and composition for sealing a borehole 76 2003
2008/0006,410 Kerogen Extraction From Subterranean Oil Shale Resources 79 2007
 
MASTER CORPORATION, P.O. BOX 585, AUBURN, IN 46706 (2)
RE39077 Acid gas disposal 86 2002
RE39244 Acid gas disposal 84 2004
 
MCDERMOTT TECHNOLOGY, INC. (2)
5,760,307 EMAT probe and technique for weld inspection 193 1995
6,155,117 Edge detection and seam tracking with EMATs 187 1999
 
METCAL, INC. (2)
4,752,673 Autoregulating heater 167 1982
4,695,713 Autoregulating, electrically shielded heater 191 1983
 
Occidental Oil Shale, Inc. (2)
4,437,519 Reduction of shale oil pour point 187 1981
4,605,489 Upgrading shale oil by a combination process 200 1985
 
OSUM OIL SANDS CORP. (2)
2007/0044,957 Method for underground recovery of hydrocarbons 60 2006
2008/0078,552 METHOD OF HEATING HYDROCARBONS 64 2007
 
Phillips Petroleum Company (2)
4,474,238 Method and apparatus for treatment of subsurface formations 204 1982
4,885,080 Process for demetallizing and desulfurizing heavy crude oil 202 1988
 
PRATS, MICHAEL (2)
5,984,010 Hydrocarbon recovery systems and methods 267 1997
6,173,775 Systems and methods for hydrocarbon recovery 267 1999
 
PRESSSOL LTD. (2)
6,854,534 Two string drilling system using coil tubing 139 2003
7,204,327 Reverse circulation directional and horizontal drilling using concentric drill string 128 2003
 
PRODUCTION TECHNOLOGIES INTERNATIONAL, INC. (2)
4,716,960 Method and system for introducing electric current into a well 320 1986
5,207,273 Method and apparatus for pumping wells 291 1990
 
Raychem Corporation (2)
4,417,782 Fiber optic temperature sensing 160 1980
4,701,587 Shielded heating element having intrinsic temperature control 197 1981
 
RAYCHEM LIMITED (2)
4,985,313 Wire and cable 167 1986
5,209,987 Wire and cable 169 1990
 
RAYTHEON COMPANY (2)
4,457,365 In situ radio frequency selective heating system 311 1981
4,487,257 Apparatus and method for production of organic products from kerogen 141 1981
 
RWE-DEA AKTIENGESELLSCHAFT FUR MINERALOEL UND CHEMIE (2)
4,252,191 Method of recovering petroleum and bitumen from subterranean reservoirs 275 1979
4,390,973 Method for determining the extent of subsurface reaction involving acoustic signals 155 1981
 
SYNTROLEUM CORPORATION (2)
6,172,124 Process for converting gas to liquids 272 1997
6,085,512 Synthesis gas production system and method 275 1999
 
Thermon Manufacturing Company (2)
4,645,906 Reduced resistance skin effect heat generating system 160 1985
5,512,732 Switch controlled, zone-type heating cable and method 212 1993
 
THOMPSON, GREG H. (2)
4,185,692 Underground linkage of wells for production of coal in situ 158 1978
4,250,230 Generating electricity from coal in situ 297 1979
 
Union Oil Company of California (2)
5,126,037 Geopreater heating method and apparatus 286 1990
5,723,423 Solvent soaps and methods employing same 122 1996
 
UT-BATTELLE, LLC (2)
7,153,373 Heat and corrosion resistant cast CF8C stainless steel with improved high temperature strength and ductility 109 2002
2008/0078,551 Liquid Metal Heat Exchanger for Efficient Heating of Soils and Geologic Formations 65 2006
 
ADVANCED ENGINEERING SOLUTIONS LTD. (1)
6,102,137 Apparatus and method for forming ducts and passageways 163 1998
 
AGILENT TECHNOLOGIES, INC. (1)
5,150,118 Interchangeable coded key pad assemblies alternately attachable to a user definable keyboard to enable programmable keyboard functions 143 1990
 
AIR PRODUCTS AND CHEMICALS, INC. (1)
4,734,115 Low pressure process for C.sub.3.sup.+ liquids recovery from process product gas 194 1986
 
ALBERTA RESEARCH COUNCIL INC. (1)
4,228,854 Enhanced oil recovery using electrical means 272 1979
 
AMERICAN SHALE OIL, LLC (1)
2007/0193,743 In situ method and system for extraction of oil from shale 33 2007
 
Aminoil, USA, Inc. (1)
4,277,416 Process for producing methanol 273 1977
 
AMP Incorporated (1)
5,065,501 Generating electromagnetic fields in a self regulating temperature heater by positioning of a current return bus 144 1990
 
ANADARKO PETROLEUM CORPORATION (1)
2003/0029,617 Apparatus, method and system for single well solution-mining 172 2001
 
ASHLAND INC. (1)
5,648,305 Process for improving the effectiveness of process catalyst 74 1996
 
BATTELLE MEMORIAL INSTITUTE (1)
5,545,803 Heating of solid earthen material, measuring moisture and resistivity 174 1994
 
BETZ LABORATORIES, INC. (1)
4,840,720 Process for minimizing fouling of processing equipment 80 1988
 
BETZDEARBORN INC. (1)
5,282,957 Methods for inhibiting polymerization of hydrocarbons utilizing a hydroxyalkylhydroxylamine 81 1992
 
BHP MINERALS INTERNATIONAL (1)
5,968,349 Extraction of bitumen from bitumen froth and biotreatment of bitumen froth tailings generated from tar sands 320 1998
 
Carbotek, Inc. (1)
4,694,907 Thermally-enhanced oil recovery method and apparatus 307 1986
 
CENTRIFLOW LLC (1)
2002/0153,141 Method for pumping fluids 149 2001
 
Chambers Development Co., Inc. (1)
5,295,763 Method for controlling gas migration from a landfill 191 1992
 
CHEVRON U.S.A. INC. (1)
6,269,881 Oil recovery method for waxy crude oil using alkylaryl sulfonate surfactants derived from alpha-olefins and the alpha-olefin compositions 106 1999
 
COMPUTALOG LTD. (1)
6,192,748 Dynamic orienting reference system for directional drilling 212 1998
 
Concept R.K.K. Limited (1)
4,860,544 Closed cryogenic barrier for containment of hazardous material migration in the earth 304 1988
 
Concept RKK, Limited (1)
4,974,425 Closed cryogenic barrier for containment of hazardous material migration in the earth 302 1989
 
CONOCO INC. (1)
4,418,752 Thermal oil recovery with solvent recirculation 190 1982
 
CONOCOPHILLIPS COMPANY (1)
5,411,104 Coalbed methane drilling 333 1994
 
COOPER CAMERON CORPORATION (1)
4,474,236 Method and apparatus for remote installations of dual tubing strings in a subsea well 102 1983
 
CRI International, Inc. (1)
5,688,736 Method of presulfurizing a hydrotreating, hydrocracking or tail gas treating catalyst 128 1995
 
DA QUING PETROLEUM ADMINISTRATION BUREAU (1)
6,439,308 Foam drive method 70 2000
 
DCNS SA (1)
5,861,137 Steam reformer with internal hydrogen purification 458 1996
 
DOVER TECHNOLOGIES INTERNATIONAL, INC. (1)
5,182,427 Self-regulating heater utilizing ferrite-type body 169 1990
 
DOWELL SCHLUMBERGER INCORPORATED (1)
4,940,095 Deployment/retrieval method and apparatus for well tools used with coiled tubing 128 1989
 
DRESSER INDUSTRIES, INC. (1)
4,852,648 Well installation in which electrical current is supplied for a source at the wellhead to an electrically responsive device located a substantial distance below the wellhead 84 1987
 
DSM N.V. (1)
4,254,297 Process for the conversion of dimethyl ether 85 1979
 
E.R. JOHNSON ASSOCIATES, INC. A CORP. OF DISTRICT OF COLUMBIA (1)
4,428,700 Method for disposing of waste materials 209 1981
 
EARTH TOOL COMPANY, LLC (1)
2002/0112,890 Conduit pulling apparatus and method for use in horizontal drilling 162 2002
 
EFFECTIVE EXPLORATION LLC (1)
2004/0035,582 System and method for subterranean access 177 2002
 
Electric Power Research Institute, Inc. (1)
5,911,898 Method and apparatus for providing multiple autoregulated temperatures 142 1995
 
ELECTRO-PETROLEUM, INC. (1)
4,382,469 Method of in situ gasification 87 1981
 
Electroflood Company (1)
4,199,025 Method and apparatus for tertiary recovery of oil 92 1977
 
Elektra Energie A.G. (1)
4,456,065 Heavy oil recovering 307 1981
 
ENEL (Ente Nazionale per l'Energia Elettrica) & CISE S.p.A. (1)
5,437,506 System for measuring the transfer time of a sound-wave in a gas and thereby calculating the temperature of the gas 264 1993
 
ENGELHARD CORPORATION (1)
4,927,857 Method of methanol production 300 1989
 
Eureka Oil ASA (1)
6,499,536 Method to increase the oil production from an oil reservoir 206 2000
 
EVEREADY BATTERY COMPANY, INC. (1)
2008/0216,321 SHAVING AID DELIVERY SYSTEM FOR USE WITH WET SHAVE RAZORS 25 2008
 
EVI CHERRINGTON ENVIRONMENTAL, INC. (1)
5,040,601 Horizontal well bore system 62 1990
 
EXXON PRODUCTION RESEARCH COMPANY (1)
4,390,067 Method of treating reservoirs containing very viscous crude oil or bitumen 374 1981
 
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY (1)
2002/0112,987 Slurry hydroprocessing for heavy oil upgrading using supported slurry catalysts 222 2000
 
FINE PARTICLE TECHNOLOGY CORP. (1)
4,926,941 Method of producing tar sand deposits containing conductive layers 231 1989
 
FRAMO ENGINEERING AS (1)
5,285,846 Thermal mineral extraction system 271 1992
 
GAS TECHNOLOGY INSTITUTE (1)
5,759,022 Method and system for reducing NO.sub.x and fuel emissions in a furnace 124 1995
 
Gen Syn Fuels (1)
7,048,051 Recovery of products from oil shale 102 2003
 
GENERAL ELECTRIC COMPANY (1)
7,124,584 System and method for heat recovery from geothermal source of heat 69 2005
 
GEOPETROL EQUIPMENT LTD. (1)
5,985,138 Tar sands extraction process 278 1998
 
GULF CANADA RESOURCES LIMITED/RESSOURCES GULF CANADA LIMITEE (1)
4,501,326 In-situ recovery of viscous hydrocarbonaceous crude oil 262 1983
 
GULF OIL CORPORATION, PITTSBURGH (1)
4,637,464 In situ retorting of oil shale with pulsed water purge 279 1984
 
GULF RESEARCH AND DEVELOPMENT COMPANY, A CORP. OF DE. (1)
4,299,285 Underground gasification of bituminous coal 262 1980
 
HARMON, JERALD L. (1)
6,584,406 Downhole process control method utilizing seismic communication 198 2000
 
HEMOSTATIC SURGERY CORPORATION, A CAYMAN ISLANDS COMPANY (1)
4,549,073 Current controller for resistive heating element 69 1981
 
HERCULES INCORPORATED (1)
6,417,268 Method for making hydrophobically associative polymers, methods of use and compositions 77 1999
 
Hrubetz Environmental Services, Inc. (1)
5,011,329 In situ soil decontamination method and apparatus 196 1990
 
ILLINOIS TOOL WORKS INC. (1)
6,313,431 Plasma cutter for auxiliary power output of a power source 56 2000
 
IMPERIAL ENERGY CORPORATION (1)
4,248,306 Geothermal petroleum refining 107 1979
 
INDEPENDENT ENERGY PARTNERS, INC. (1)
6,684,948 Apparatus and method for heating subterranean formations using fuel cells 198 2002
 
Intercontinental Econergy Associates, Inc. (1)
4,452,491 Recovery of hydrocarbons from deep underground deposits of tar sands 163 1981
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
4,577,503 Method and device for detecting a specific acoustic spectral feature 166 1984
 
International Coal Refining Company (1)
4,397,732 Process for coal liquefaction employing selective coal feed 261 1982
 
Iris Associates (1)
4,256,945 Alternating current electrically resistive heating element having intrinsic temperature control 299 1979
 
ITT RESEARCH INSTITUTE (1)
4,485,869 Recovery of liquid hydrocarbons from oil shale by electromagnetic heating in situ 329 1982
 
ITT RESEARCH INSTITUTE, A NOT-FOR-PROFIT CORP. OF IL (1)
4,485,868 Method for recovery of viscous hydrocarbons by electromagnetic heating in situ 128 1982
 
JUDD, DANIEL (1)
4,856,587 Recovery of oil from oil-bearing formation by continually flowing pressurized heated gas through channel alongside matrix 268 1988
 
Justheim Pertroleum Company (1)
4,384,614 Method of retorting oil shale by velocity flow of super-heated air 210 1981
 
KAI TECHNOLOGIES, INC. (1)
5,152,341 Electromagnetic method and apparatus for the decontamination of hazardous material-containing volumes 114 1991
 
KELLOGG BROWN & ROOT, INC. (1)
6,357,526 Field upgrading of heavy oil and bitumen 218 2000
 
KENKEL KOMMANDITGESELLSCHAFT AUF AKITEN (HENKEL KGAA) (1)
5,318,709 Process for the production of surfactant mixtures based on ether sulfonates and their use 99 1991
 
Kraftwerk Union Aktiengesellschaft (1)
4,608,818 Medium-load power-generating plant with integrated coal gasification plant 270 1984
 
KRUPP KOPPERS GMBH (1)
4,994,093 Method of producing methanol synthesis gas 267 1990
 
LATJET SYSTEMS LLC (1)
6,283,230 Method and apparatus for lateral well drilling utilizing a rotating nozzle 98 1999
 
LOCKHEED MARTIN CORPORATION (1)
6,467,543 System and process for secondary hydrocarbon recovery 198 2000
 
LONGYEAR COMPANY (1)
4,823,890 Reverse circulation bit apparatus 145 1988
 
M.W. KELLOGG COMPANY, THE (1)
4,407,973 Methanol from coal and natural gas 268 1982
 
Magrange, Inc. (1)
5,064,006 Downhole combination tool 298 1988
 
MAST AUTOMATION, INC. (1)
5,777,229 Sensor transport system for combination flash butt welder 185 1996
 
MEGGITT AVIOINICS, INC. (1)
5,828,797 Fiber optic linked flame sensor 166 1996
 
MITSUBISHI DENKI KABUSHIKI KAISHA (1)
4,412,124 Electrode unit for electrically heating underground hydrocarbon deposits 264 1981
 
Motoren-Werke Mannheim AG (1)
4,378,048 Substoichiometric combustion of low heating value gases using different platinum catalysts 264 1981
 
MUELLER, THOMAS D. (1)
4,572,229 Variable proportioner 69 1984
 
NALCO COMPANY (1)
5,654,261 Permeability modifying composition for use in oil recovery 79 1996
 
NENNIGER, JOHN (1)
5,517,593 Control system for well stimulation apparatus with response time temperature rise used in determining heater control temperature setpoint 283 1995
 
NEXANS (1)
2002/0028,070 HEATING SYSTEM FOR CRUDE OIL TRANSPORTING METALLIC TUBES 140 1999
 
Nippondenso Co., Ltd. (1)
4,639,712 Sheathed heater 61 1985
 
NKK Corporation (1)
5,261,490 Method for dumping and disposing of carbon dioxide gas and apparatus therefor 277 1992
 
NOWSCO WELL SERVICE LTD. (1)
6,015,015 Insulated and/or concentric coiled tubing 322 1997
 
OCCIDENTAL SHALE INC. (1)
4,623,444 Upgrading shale oil by a combination process 200 1985
 
Oil Chem Technologies (1)
6,022,834 Alkaline surfactant polymer flooding composition and process 112 1997
 
OIL SANDS UNDERGROUND MINING, INC. (1)
2008/0017,416 METHOD OF DRILLING FROM A SHAFT FOR UNDERGROUND RECOVERY OF HYDROCARBONS 67 2007
 
OIL STATES ENERGY SERVICES, L.L.C. (1)
6,516,891 Dual string coil tubing injector assembly 94 2001
 
Oil Trieval Corporation (1)
4,305,463 Oil recovery method and apparatus 284 1970
 
ORS MERGER CORPORATION, A GENERAL CORP. OF OK (1)
4,662,438 Method and apparatus for enhancing liquid hydrocarbon production from a single borehole in a slowly producing formation by non-uniform heating through optimized electrode arrays surrounding the borehole 271 1985
 
PARHELION, INC. (1)
5,097,903 Method for recovering intractable petroleum from subterranean formations 211 1991
 
PASSERFIN OIL, GAS AND PIPELINE SERVICE GMBH (1)
5,619,611 Device for removing downhole deposits utilizing tubular housing and passing electric current through fluid heating medium contained therein 30 1995
 
Patton Consulting, Inc. (1)
5,103,920 Surveying system and method for locating target subterranean bodies 215 1990
 
PETROLEO BRASILEIRO S.A. - PETROBRAS (1)
5,182,792 Process of electric pipeline heating utilizing heating elements inserted in pipelines 261 1991
 
PIRSON, JACQUE (1)
4,491,179 Method for oil recovery by in situ exfoliation drive 154 1982
 
QUICK CONNECTORS, INC. (1)
5,289,882 Sealed electrical conductor method and arrangement for use with a well bore in hazardous areas 292 1991
 
Ramcor, Inc. (1)
4,197,911 Process for in situ coal gasification 261 1978
 
RAMEX SYN-FUELS INTERNATIONAL, INC. (1)
4,928,765 Method and apparatus for shale gas recovery 280 1988
 
Rangewest Technologies Ltd. (1)
6,039,121 Enhanced lift method and apparatus for the production of hydrocarbons 156 1997
 
Raychem GmbH (1)
4,733,057 Sheet heater 167 1986
 
RAYCHEM S.A. (1)
5,579,575 Method and apparatus for forming an electrical connection 146 1994
 
RED OAK PARTNERSHIP, L.P., THE (1)
5,435,666 Methods for isolating a water table and for soil remediation 206 1993
 
Resource Technology Associates (1)
5,008,085 Apparatus for thermal treatment of a hydrocarbon stream 270 1989
 
RKK, LTD (1)
5,050,386 Method and apparatus for containment of hazardous material migration in the earth 296 1990
 
ROBERT L.MAGNIE AND ASSOCIATES,INC. A CORP OF COLO. (1)
4,183,405 Enhanced recoveries of petroleum and hydrogen from underground reservoirs 284 1978
 
ROCKWELL INTERNATIONAL CORPORATION (1)
4,498,531 Emission controller for indirect fired downhole steam generators 125 1982
 
S-CAL RESEARCH CORPORATION (1)
4,706,751 Heavy oil recovery process 262 1986
 
SCHLUMBERGER TECHNOLOGIES, INC. (1)
6,354,373 Expandable tubing for a well bore hole and method of expanding 402 1998
 
SCHLUMBERGER TECHNOLOGY CORPORATION (1)
6,318,469 Completion equipment having a plurality of fluid paths for use in a well 19 2000
 
SCIENCE & ENGINEERING ASSOCIATES, INC. (1)
6,035,701 Method and system to locate leaks in subsurface containment structures using tracer gases 192 1998
 
Scientific Engineering Instruments, Inc. (1)
5,349,859 Method and apparatus for measuring acoustic wave velocity using impulse response 265 1991
 
Scioto County Regional Water District #1 (1)
6,422,318 Horizontal well system 178 2000
 
SCOTOIL SERVICES LIMITED (1)
6,805,194 Gas and oil production 136 2002
 
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. (1)
4,605,680 Conversion of synthesis gas to diesel fuel and gasoline 272 1985
 
Societe Nationale Elf Aquitaine (1)
4,513,816 Sealing system for a well bore in which a hot fluid is circulated 261 1984
 
SOUTHERN CALIFORNIA GAS COMPANY (1)
5,769,569 In-situ thermal desorption of heavy hydrocarbons in vadose zone 155 1996
 
Sperika Enterprises Ltd. (1)
5,854,472 Low-voltage and low flux density heating system 53 1996
 
Steel Ventures, L.L.C. (1)
7,032,809 Seam-welded metal pipe and method of making the same without seam anneal 88 2003
 
STILL-MAN HEATING PRODUCTS, INC. (1)
5,066,852 Thermoplastic end seal for electric heating elements 167 1990
 
Sulcon, Inc. (1)
4,518,548 Method of overlaying sulphur concrete on horizontal and vertical surfaces 183 1983
 
SYNFUEL, A LIMITED PARTNERSHIP OF IN, A CORP. OF IN. (1)
4,401,162 In situ oil shale process 123 1981
 
TARIM ASSOCIATES FOR SCIENTIFIC MINERAL AND OIL EXPLORATION AG (1)
5,868,202 Hydrologic cells for recovery of hydrocarbons or thermal energy from coal, oil-shale, tar-sands and oil-bearing formations 351 1997
 
Terra Tek, Inc. (1)
4,384,613 Method of in-situ retorting of carbonaceous material for recovery of organic liquids and gases 281 1980
 
The Babcock & Wilcox Company (1)
4,848,924 Acoustic pyrometer 278 1987
 
The Badger Company, Inc. (1)
4,193,451 Method for production of organic products from kerogen 273 1977
 
The Board of Regents of the University of Oklahoma (1)
5,201,219 Method and apparatus for measuring free hydrocarbons and hydrocarbons potential from whole core 249 1990
 
The BOC Group, Inc. (1)
5,332,036 Method of recovery of natural gases from underground coal formations 137 1992
 
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (1)
5,525,322 Method for simultaneous recovery of hydrogen from water and from hydrocarbons 322 1994
 
THE TEXAS A&M UNIVERSITY SYSTEM (1)
5,305,239 Ultrasonic non-destructive evaluation of thin specimens 184 1989
 
The United States of America as represented by the Secretary of Commerce (1)
5,652,389 Non-contact method and apparatus for inspection of inertia welds 206 1996
 
Tokyo Shibaura Denki Kabushiki Kaisha (1)
4,280,046 Sheath heater 58 1979
 
TOMOSEIS, INC. (1)
6,388,947 Multi-crosswell profile 3D imaging and method 171 1998
 
TOTAL FINA ELF (1)
2002/0197,174 Electrical pump, and method for using plurality of submersible electrical pumps for well completion 2002
 
TRANSPACIFIC INFORMATION, LLC (1)
2002/0027,612 Spatio-temporal channel for images 15 2001
 
TUBEL TECHNOLOGIES, INC. (1)
6,913,079 Method and system for monitoring smart structures utilizing distributed optical sensors 196 2001
 
TYCO ELECTRONICS CORPORATION (1)
6,288,372 Electric cable having braidless polymeric ground plane providing fault detection 172 1999
 
Uentech International Corporation (1)
6,353,706 Optimum oil-well casing heating 212 2000
 
UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION (1)
4,776,638 Method and apparatus for conversion of coal in situ 301 1987
 
Vesojuzny Nauchno-Issledovatelsky Institut Ispolzovania Gaza V Narodnom Khozyaistve I Podzemnogo Khranenia Nefti, Nefteproduktov I Szhizhennykh Gazov (Vniipromgaz) (1)
4,440,224 Method of underground fuel gasification 163 1979
 
W. B. COMBUSTION, INC. (1)
4,401,099 Single-ended recuperative radiant tube assembly and method 137 1980
 
WESTERN ATLAS INTERNATIONAL, INC. (1)
4,282,587 Method for monitoring the recovery of minerals from shallow geological formations 159 1979
 
WESTERN RESEARCH INSTITUTE (1)
4,848,460 Contained recovery of oily waste 176 1988
 
WORCESTER POLYTECHNIC INSTITUTE (1)
6,152,987 Hydrogen gas-extraction module and method of fabrication 307 1998
 
Other [Check patent profile for assignment information] (44)
4,228,853 Petroleum production method 145 1978
4,243,101 Coal gasification method 270 1978
4,446,917 Method and apparatus for producing viscous or waxy crude oils 149 1979
4,306,621 Method for in situ coal gasification operations 270 1980
4,423,311 Electric heating apparatus for de-icing pipes 272 1981
4,444,255 Apparatus and process for the recovery of oil 266 1981
4,344,483 Multiple-site underground magnetic heating of hydrocarbons 276 1981
4,444,258 In situ recovery of oil from oil shale 276 1981
4,455,215 Process for the geoconversion of coal into oil 152 1982
4,442,896 Treatment of underground beds 233 1982
4,479,541 Method and apparatus for recovery of oil, gas and mineral deposits by panel opening 251 1982
4,609,041 Well hot oil system 135 1983
4,538,682 Method and apparatus for removing oil well paraffin 146 1983
4,762,425 System for temperature profile measurement in large furnances and kilns and method therefor 275 1987
4,895,206 Pulsed in situ exothermic shock wave and retorting process for hydrocarbon recovery and detoxification of selected wastes 273 1989
5,027,896 Method for in-situ recovery of energy raw material by the introduction of a water/oxygen slurry 177 1990
5,082,054 In-situ tuned microwave oil extraction process 369 1990
5,217,076 Method and apparatus for improved recovery of oil from porous, subsurface deposits (targevcir oricess) 377 1991
5,360,067 Vapor-extraction system for removing hydrocarbons from soil 179 1993
5,400,430 Method for injection well stimulation 140 1994
5,458,774 Corrugated spiral membrane module 77 1994
5,624,188 Acoustic thermometer 271 1994
5,823,256 Ferrule--type fitting for sealing an electrical conduit in a well head barrier 72 1996
6,112,808 Method and apparatus for subterranean thermal conditioning 260 1997
5,984,582 Method of extracting a hollow unit laid in the ground 164 1997
5,879,110 Methods for encapsulating buried waste in situ with molten wax 114 1998
6,942,032 Resistive down hole heating tool 61 2003
7,114,880 Process for the excavation of buried waste 93 2004
2005/0269,091 Reducing viscosity of oil for production from a hydrocarbon containing formation 106 2005
2008/0283,241 Downhole burner wells for in situ conversion of organic-rich rock formations 110 2008
2009/0071,652 IN SITU HEAT TREATMENT FROM MULTIPLE LAYERS OF A TAR SANDS FORMATION 86 2008
2009/0090,509 IN SITU RECOVERY FROM RESIDUALLY HEATED SECTIONS IN A HYDROCARBON CONTAINING FORMATION 90 2008
2009/0095,480 IN SITU HEAT TREATMENT OF A TAR SANDS FORMATION AFTER DRIVE PROCESS TREATMENT 83 2008
2009/0120,646 ELECTRICALLY ISOLATING INSULATED CONDUCTOR HEATER 99 2008
2009/0194,282 IN SITU OXIDATION OF SUBSURFACE FORMATIONS 96 2008
2009/0194,286 MULTI-STEP HEATER DEPLOYMENT IN A SUBSURFACE FORMATION 94 2008
2009/0194,287 INDUCTION HEATERS USED TO HEAT SUBSURFACE FORMATIONS 96 2008
2009/0194,329 METHODS FOR FORMING WELLBORES IN HEATED FORMATIONS 102 2008
2009/0194,524 METHODS FOR FORMING LONG SUBSURFACE HEATERS 99 2008
2009/0200,022 CRYOGENIC TREATMENT OF GAS 95 2008
2009/0200,025 HIGH TEMPERATURE METHODS FOR FORMING OXIDIZER FUEL 78 2008
2009/0200,031 IRREGULAR SPACING OF HEAT SOURCES FOR TREATING HYDROCARBON CONTAINING FORMATIONS 98 2008
2009/0200,290 VARIABLE VOLTAGE LOAD TAP CHANGING TRANSFORMER 97 2008
2009/0038,795 Hydrocarbon Recovery From Impermeable Oil Shales Using Sets of Fluid-Heated Fractures 79 2008

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
SHELL OIL COMPANY (56)
8,224,165 Temperature limited heater utilizing non-ferromagnetic conductor 17 2006
8,381,806 Joint used for coupling long heaters 5 2007
8,083,813 Methods of producing transportation fuel 32 2007
8,662,175 Varying properties of in situ heat treatment of a tar sands formation based on assessed viscosities 1 2008
8,459,359 Treating nahcolite containing formations and saline zones 8 2008
8,381,815 Production from multiple zones of a tar sands formation 11 2008
8,327,681 Wellbore manufacturing processes for in situ heat treatment processes 5 2008
8,536,497 Methods for forming long subsurface heaters 0 2008
8,276,661 Heating subsurface formations by oxidizing fuel on a fuel carrier 17 2008
8,272,455 Methods for forming wellbores in heated formations 6 2008
8,240,774 Solution mining and in situ treatment of nahcolite beds 19 2008
8,196,658 Irregular spacing of heat sources for treating hydrocarbon containing formations 26 2008
8,162,059 Induction heaters used to heat subsurface formations 29 2008
8,146,661 Cryogenic treatment of gas 31 2008
8,146,669 Multi-step heater deployment in a subsurface formation 28 2008
8,113,272 Three-phase heaters with common overburden sections for heating subsurface formations 10 2008
8,627,887 In situ recovery from a hydrocarbon containing formation 1 2008
8,752,904 Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations 0 2009
8,177,305 Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations 29 2009
8,172,335 Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations 24 2009
8,162,405 Using tunnels for treating subsurface hydrocarbon containing formations 26 2009
8,151,907 Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations 29 2009
8,450,540 Compositions produced using an in situ heat treatment process 8 2009
8,353,347 Deployment of insulated conductors for treating subsurface formations 4 2009
8,281,861 Circulated heated transfer fluid heating of subsurface hydrocarbon formations 16 2009
8,267,170 Offset barrier wells in subsurface formations 14 2009
8,267,185 Circulated heated transfer fluid systems used to treat a subsurface formation 15 2009
8,261,832 Heating subsurface formations with fluids 21 2009
8,256,512 Movable heaters for treating subsurface hydrocarbon containing formations 8 2009
8,220,539 Controlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation 24 2009
8,636,323 Mines and tunnels for use in treating subsurface hydrocarbon containing formations 0 2009
8,562,078 Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations 3 2009
8,448,707 Non-conducting heater casings 0 2010
8,434,555 Irregular pattern treatment of a subsurface formation 10 2010
8,327,932 Recovering energy from a subsurface formation 9 2010
8,608,249 In situ thermal processing of an oil shale formation 1 2010
8,192,682 High strength alloys 19 2010
8,225,866 In situ recovery from a hydrocarbon containing formation 16 2010
8,233,782 Grouped exposed metal heaters 8 2010
8,356,935 Methods for assessing a temperature in a subsurface formation 5 2010
8,257,112 Press-fit coupling joint for joining insulated conductors 6 2010
8,151,880 Methods of making transportation fuel 27 2010
8,739,874 Methods for heating with slots in hydrocarbon formations 0 2011
8,701,768 Methods for treating hydrocarbon formations 0 2011
8,701,769 Methods for treating hydrocarbon formations based on geology 0 2011
8,631,866 Leak detection in circulated fluid systems for heating subsurface formations 0 2011
8,502,120 Insulating blocks and methods for installation in insulated conductor heaters 1 2011
8,485,256 Variable thickness insulated conductors 3 2011
8,230,927 Methods and systems for producing fluid from an in situ conversion process 9 2011
8,579,031 Thermal processes for subsurface formations 0 2011
8,732,946 Mechanical compaction of insulator for insulated conductor splices 0 2011
8,586,866 Hydroformed splice for insulated conductors 0 2011
8,586,867 End termination for three-phase insulated conductors 0 2011
8,555,971 Treating tar sands formations with dolomite 2 2012
8,485,252 In situ recovery from a hydrocarbon containing formation 8 2012
8,485,847 Press-fit coupling joint for joining insulated conductors 3 2012
 
COMPANY, SHELL OIL (1)
8,191,630 Creating fluid injectivity in tar sands formations 27 2010
 
ECON Maschinenbau und Steuerungstechnik GmbH (1)
8,037,618 Device for draining and drying solids, in particular plastics granulated under water 0 2007
 
SCHLUMBERGER TECHNOLOGY CORPORATION (1)
8,439,106 Logging system and methodology 0 2010
 
Other [Check patent profile for assignment information] (3)
8,791,396 Floating insulated conductors for heating subsurface formations 0 2008
8,579,014 Cooling arrangement for conveyors and other applications 0 2009
8,789,586 In situ recovery from a hydrocarbon containing formation 0 2013

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