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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address	Total Patents
SHELL OIL COMPANY	HOUSTON, TX	2309

International Classification(s)

• E21B:EARTH OR ROCK DRILLING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Berchenko, Ilya Emil	Friendswood, TX	104	21842
de, Rouffignac Eric Pierre	Houston, TX	126	25156
Fowler, Thomas David	Katy, TX	90	18578
Ryan, Robert Charles	Houston, TX	93	19327
Stegemeier, George Leo	Houston, TX	103	21406
Vinegar, Harold J	Houston, TX	330	67430
Wellington, Scott Lee	Belliare, TX	293	35362
Zhang, Etuan	Houston, TX	102	21153

Cited Art Landscape

Patent Info	(Count)	# Cites	Year
Other [Check patent profile for assignment information] (15)
4375302 Process for the in situ recovery of both petroleum and inorganic mineral content of an oil shale deposit		120	1980
4306621 Method for in situ coal gasification operations		288	1980
4423311 Electric heating apparatus for de-icing pipes		294	1981
4444255 Apparatus and process for the recovery of oil		283	1981
4344483 Multiple-site underground magnetic heating of hydrocarbons		311	1981
4444258 In situ recovery of oil from oil shale		301	1981
4479541 Method and apparatus for recovery of oil, gas and mineral deposits by panel opening		273	1982
4762425 System for temperature profile measurement in large furnances and kilns and method therefor		291	1987
4883582 Vis-breaking heavy crude oils for pumpability		109	1988
4895206 Pulsed in situ exothermic shock wave and retorting process for hydrocarbon recovery and detoxification of selected wastes		306	1989
5027896 Method for in-situ recovery of energy raw material by the introduction of a water/oxygen slurry		196	1990
5082054 In-situ tuned microwave oil extraction process		417	1990
5217076 Method and apparatus for improved recovery of oil from porous, subsurface deposits (targevcir oricess)		405	1991
5624188 Acoustic thermometer		298	1994
6112808 Method and apparatus for subterranean thermal conditioning		291	1997
Phillips Petroleum Company (2)
4931171 Pyrolysis of carbonaceous materials		146	1982
4885080 Process for demetallizing and desulfurizing heavy crude oil		223	1988
NICOLIA, JOSEPH (7)
2004/0118,056 Wedge-lock building blocks		2	2002
2004/0118,056 Wedge-lock building blocks		2	2002
2004/0118,056 Wedge-lock building blocks		2	2002
2004/0118,056 Wedge-lock building blocks		2	2002
2004/0118,056 Wedge-lock building blocks		2	2002
2004/0118,056 Wedge-lock building blocks		2	2002
2004/0118,056 Wedge-lock building blocks		2	2002
Electromagnetic Energy Corporation (1)
5055180 Method and apparatus for recovering fractions from hydrocarbon materials, facilitating the removal and cleansing of hydrocarbon fluids, insulating storage vessels, and cleansing storage vessels and pipelines		171	1991
THE BABCOCK & WILCOX COMPANY (1)
4848924 Acoustic pyrometer		298	1987
Elektra Energie A.G. (1)
4456065 Heavy oil recovering		339	1981
Kraftwerk Union Aktiengesellschaft (1)
4608818 Medium-load power-generating plant with integrated coal gasification plant		286	1984
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (9)
4984594 Vacuum method for removing soil contamination utilizing surface electrical heating		359	1989
5190405 Vacuum method for removing soil contaminants utilizing thermal conduction heating		326	1990
5229583 Surface heating blanket for soil remediation		312	1992
5318116 Vacuum method for removing soil contaminants utilizing thermal conduction heating		331	1993
5553189 Radiant plate heater for treatment of contaminated surfaces		307	1994
5656239 Method for recovering contaminants from soil utilizing electrical heating		311	1995
6102622 Remediation method		306	1998
5997214 Remediation method		304	1998
6485232 Low cost, self regulating heater for use in an in situ thermal desorption soil remediation system		288	2000
UNIVERSITY OF UTAH (3)
4324292 Process for recovering products from oil shale		294	1980
4396062 Apparatus and method for time-domain tracking of high-speed chemical reactions		347	1980
4409090 Process for recovering products from tar sand		299	1982
GEOPETROL EQUIPMENT LTD. (1)
5985138 Tar sands extraction process		303	1998
LOCKHEED MARTIN CORPORATION (1)
6467543 System and process for secondary hydrocarbon recovery		215	2000
TEXACO INC. (6)
4524826 Method of heating an oil shale formation		308	1982
4592423 Hydrocarbon stratum retorting means and method		282	1984
4576231 Method and apparatus for combating encroachment by in situ treated formations		303	1984
4682652 Producing hydrocarbons through successively perforated intervals of a horizontal well between two vertical wells		292	1986
5632336 Method for improving injectivity of fluids in oil reservoirs		289	1994
2002/0004,533 Integration of shift reactors and hydrotreaters		95	2001
P. H. Jones Hydrogeology, Inc. (1)
4319635 Method for enhanced oil recovery by geopressured waterflood		116	1980
ICG, LLC (1)
4793656 In-situ coal drying		137	1987
IIT Research Institute (2)
RE30738 Apparatus and method for in situ heat processing of hydrocarbonaceous formations		351	1980
4498535 Apparatus and method for in situ controlled heat processing of hydrocarbonaceous formations with a controlled parameter line		280	1982
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (1)
5525322 Method for simultaneous recovery of hydrogen from water and from hydrocarbons		341	1994
EDWARDS DEVELOPMENT CORP., A CORP OF NV. (1)
4817711 System for recovery of petroleum from petroleum impregnated media		379	1987
Multi Mineral Corporation (1)
4285547 Integrated in situ shale oil and mineral recovery process		106	1980
CONCEPT R.K.K. LIMITED (1)
4860544 Closed cryogenic barrier for containment of hazardous material migration in the earth		328	1988
Enel-Ente Nazionale per l'Energia Elettrica (1)
5437506 System for measuring the transfer time of a sound-wave in a gas and thereby calculating the temperature of the gas		282	1993
UOP INC., A CORP. OF DE (1)
4448251 In situ conversion of hydrocarbonaceous oil		207	1982
Electric Power Research Institute, Inc. (1)
5491969 Power plant utilizing compressed air energy storage and saturation		319	1995
ITT RESEARCH INSTITUTE (1)
4485869 Recovery of liquid hydrocarbons from oil shale by electromagnetic heating in situ		378	1982
The University of Wyoming Research Corporation d/b/a Western Research Institute (1)
6244338 System for improving coalbed gas production		154	1999
MARATHON OIL COMPANY (1)
5041210 Oil shale retorting with steam and produced gas		104	1989
KRUPP KOPPERS GMBH (1)
4994093 Method of producing methanol synthesis gas		283	1990
Canadian Occidental Petroleum Ltd. (4)
4818370 Process for converting heavy crudes, tars, and bitumens to lighter products in the presence of brine at supercritical conditions		322	1987
4983319 Preparation of low-viscosity improved stable crude oil transport emulsions		295	1988
5340467 Process for recovery of hydrocarbons and rejection of sand		340	1991
5316664 Process for recovery of hydrocarbons and rejection of sand		333	1992
Westinghouse Electric Corp. (1)
5955039 Coal gasification and hydrogen production system and method		263	1996
Petroleo Brasileiro S.A.-Petrobras (1)
5182792 Process of electric pipeline heating utilizing heating elements inserted in pipelines		285	1991
RP INTERNATIONAL PTY LIMITED (1)
4737267 Oil shale processing apparatus and method		155	1986
Mobil Oil Corporation (17)
4549396 Conversion of coal to electricity		288	1982
4476927 Method for controlling H.sub.2 /CO ratio of in-situ coal gasification product gas		143	1982
4530401 Method for maximum in-situ visbreaking of heavy oil		282	1982
4573530 In-situ gasification of tar sands utilizing a combustible gas		279	1983
4698149 Enhanced recovery of hydrocarbonaceous fluids oil shale		217	1983
4598772 Method for operating a production well in an oxygen driven in-situ combustion oil recovery process		209	1983
4598770 Thermal recovery method for viscous oil		316	1984
4669542 Simultaneous recovery of crude from multiple zones in a reservoir		283	1984
4766958 Method of recovering viscous oil from reservoirs with multiple horizontal zones		196	1987
4787452 Disposal of produced formation fines during oil recovery		294	1987
4982786 Use of CO.sub.2 /steam to enhance floods in horizontal wellbores		277	1989
5211230 Method for enhanced oil recovery through a horizontal production well in a subsurface formation by in-situ combustion		313	1992
5339904 Oil recovery optimization using a well having both horizontal and vertical sections		279	1992
5377756 Method for producing low permeability reservoirs using a single well		248	1993
5411086 Oil recovery by enhanced imbitition in low permeability reservoirs		196	1993
5415231 Method for producing low permeability reservoirs using steam		288	1994
5431224 Method of thermal stimulation for recovery of hydrocarbons		297	1994
ANADARKO PETROLEUM CORPORATION (1)
2003/0029,617 Apparatus, method and system for single well solution-mining		194	2001
Intevep, S.A. (1)
5891829 Process for the downhole upgrading of extra heavy crude oil		61	1997
PRODUCTION TECHNOLOGIES INTERNATIONAL, INC. (2)
4716960 Method and system for introducing electric current into a well		364	1986
5207273 Method and apparatus for pumping wells		335	1990
Societe Nationale Elf Aquitaine (Production) (1)
4513816 Sealing system for a well bore in which a hot fluid is circulated		279	1984
Eureka Oil ASA (1)
6499536 Method to increase the oil production from an oil reservoir		246	2000
UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION (1)
4776638 Method and apparatus for conversion of coal in situ		346	1987
MOTOREN-WERKE MANNHEIM AG (1)
4378048 Substoichiometric combustion of low heating value gases using different platinum catalysts		281	1981
SCHLUMBERGER TECHNOLOGIES, INC. (1)
6354373 Expandable tubing for a well bore hole and method of expanding		424	1998
ORS MERGER CORPORATION, A GENERAL CORP. OF OK (1)
4662438 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		287	1985
NKK CORPORATION (1)
5261490 Method for dumping and disposing of carbon dioxide gas and apparatus therefor		297	1992
INTELLERGY CORPORATION (1)
6187465 Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions		230	1998
WORCESTER POLYTECHNIC INSTITUTE (1)
6152987 Hydrogen gas-extraction module and method of fabrication		335	1998
Scientific Engineering Instruments, Inc. (1)
5349859 Method and apparatus for measuring acoustic wave velocity using impulse response		287	1991
Dravo Corporation (1)
4439307 Heating process gas for indirect shale oil retorting through the combustion of residual carbon in oil depleted shale		103	1983
BHP MINERALS INTERNATIONAL (1)
5968349 Extraction of bitumen from bitumen froth and biotreatment of bitumen froth tailings generated from tar sands		386	1998
Archon Technologies Ltd. (1)
5626191 Oilfield in-situ combustion process		115	1995
ATLANTIC RICHFIELD COMPANY (2)
4489782 Viscous oil production using electrical current heating and lateral drain holes		312	1983
4651825 Enhanced well production		289	1986
M.W. KELLOGG COMPANY, THE, (A DE. CORP. FORMED IN 1987) (1)
4407973 Methanol from coal and natural gas		287	1982
GROW INTERNATIONAL CORP. (1)
5767584 Method for generating electrical power from fuel cell powered cars parked in a conventional parking lot		209	1995
Exxon Research and Engineering Company (2)
4458757 In situ shale-oil recovery process		285	1983
6110358 Process for manufacturing improved process oils using extraction of hydrotreated distillates		206	1999
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY (1)
2002/0112,987 Slurry hydroprocessing for heavy oil upgrading using supported slurry catalysts		241	2000
ALBERTA INNOVATES - TECHNOLOGY FUTURES (1)
6412559 Process for recovering methane and/or sequestering fluids		324	2000
Carbotek, Inc. (1)
4694907 Thermally-enhanced oil recovery method and apparatus		351	1986
Magrange, Inc. (1)
5064006 Downhole combination tool		328	1988
The Board of Regents of the University of Oklahoma (1)
5201219 Method and apparatus for measuring free hydrocarbons and hydrocarbons potential from whole core		266	1990
NORANDA INC. (1)
5539853 Downhole heating system with separate wiring cooling and heating chambers and gas flow therethrough		82	1995
JUDD, DANIEL (1)
4856587 Recovery of oil from oil-bearing formation by continually flowing pressurized heated gas through channel alongside matrix		298	1988
Chevron Research & Technology Company (2)
5085276 Production of oil from low permeability formations by sequential steam fracturing		236	1990
5305829 Oil production from diatomite formations by fracture steamdrive		234	1992
Union Oil Company of California (1)
5126037 Geopreater heating method and apparatus		304	1990
Cities Service Company (3)
4412585 Electrothermal process for recovering hydrocarbons		301	1982
4415034 Electrode well completion		126	1982
4501445 Method of in-situ hydrogenation of carbonaceous material		294	1983
Energy Research Corporation (2)
4772634 Apparatus and method for methanol production using a fuel cell to regulate the gas composition entering the methanol synthesizer		300	1986
5554453 Carbonate fuel cell system with thermally integrated gasification		332	1995
TARIM ASSOCIATES FOR SCIENTIFIC MINERAL AND OIL EXPLORATION AG (1)
5868202 Hydrologic cells for recovery of hydrocarbons or thermal energy from coal, oil-shale, tar-sands and oil-bearing formations		383	1997
Concept RKK, Limited (1)
4974425 Closed cryogenic barrier for containment of hazardous material migration in the earth		326	1989
Standard Oil Company (Indiana) (2)
4353418 In situ retorting of oil shale		309	1980
4537252 Method of underground conversion of coal		284	1984
CONOCO INC. (1)
4418752 Thermal oil recovery with solvent recirculation		208	1982
RAYTHEON COMPANY (1)
4457365 In situ radio frequency selective heating system		350	1981
The Standard Oil Company (1)
4457374 Transient response process for detecting in situ retorting conditions		271	1982
TerraTek, Inc. (1)
4384613 Method of in-situ retorting of carbonaceous material for recovery of organic liquids and gases		299	1980
CONOCOPHILLIPS COMPANY (2)
5411104 Coalbed methane drilling		354	1994
5402847 Coal bed methane recovery		180	1994
GULF CANADA RESOURCES LIMITED/RESSOURCES GULF CANADA LIMITEE (1)
4501326 In-situ recovery of viscous hydrocarbonaceous crude oil		280	1983
Uentech Corporation (3)
5099918 Power sources for downhole electrical heating		312	1991
5621844 Electrical heating of mineral well deposits using downhole impedance transformation networks		370	1995
5713415 Low flux leakage cables and cable terminations for A.C. electrical heating of oil deposits		318	1996
Uentech International Corporation (1)
6353706 Optimum oil-well casing heating		232	2000
EOR International, Inc. (2)
4524827 Single well stimulation for the recovery of liquid hydrocarbons from subsurface formations		346	1983
5751895 Selective excitation of heating electrodes for oil wells		287	1996
NOWSCO WELL SERVICE LTD. (1)
6015015 Insulated and/or concentric coiled tubing		393	1997
ASHLAND OIL, INC. (A KENTUCKY CORPORATION) (1)
4384948 Single unit RCC		121	1981
REG SYNTHETIC FUELS, LLC (2)
6172124 Process for converting gas to liquids		290	1997
6085512 Synthesis gas production system and method		294	1999
Amoco Corporation (12)
4662439 Method of underground conversion of coal		282	1985
4662443 Combination air-blown and oxygen-blown underground coal gasification process		285	1985
5059303 Oil stabilization		226	1989
5014788 Method of increasing the permeability of a coal seam		176	1990
5388640 Method for producing methane-containing gaseous mixtures		290	1993
5388641 Method for reducing the inert gas fraction in methane-containing gaseous mixtures obtained from underground formations		286	1993
5388642 Coalbed methane recovery using membrane separation of oxygen from air		286	1993
5388643 Coalbed methane recovery using pressure swing adsorption separation		285	1993
5388645 Method for producing methane-containing gaseous mixtures		304	1993
5439054 Method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation		294	1994
5454666 Method for disposing of unwanted gaseous fluid components within a solid carbonaceous subterranean formation		295	1994
5566756 Method for recovering methane from a solid carbonaceous subterranean formation		234	1995
Occidental Oil Shale, Inc. (1)
4605489 Upgrading shale oil by a combination process		220	1985
Quick Connectors, Inc. (1)
5289882 Sealed electrical conductor method and arrangement for use with a well bore in hazardous areas		324	1991
GULF RESEARCH AND DEVELOPMENT COMPANY, A CORP. OF DE. (1)
4299285 Underground gasification of bituminous coal		279	1980
International Coal Refining Company (1)
4397732 Process for coal liquefaction employing selective coal feed		278	1982
MITSUBISHI DENKI KABUSHIKI KAISHA (1)
4412124 Electrode unit for electrically heating underground hydrocarbon deposits		281	1981
WORLD ENERGY SYSTEMS INCORPORATED (5)
4597441 Recovery of oil by in situ hydrogenation		333	1984
4691771 Recovery of oil by in-situ combustion followed by in-situ hydrogenation		303	1986
6016867 Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking		337	1998
6016868 Production of synthetic crude oil from heavy hydrocarbons recovered by in situ hydrovisbreaking		340	1998
6328104 Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking		339	2000
UNITED TECHNOLOGIES CORPORATION (1)
4524113 Direct use of methanol fuel in a molten carbonate fuel cell		139	1984
ALBERTA INNOVATES - ENERGY AND ENVIRONMENT SOLUTIONS (1)
5456315 Horizontal well gravity drainage combustion process for oil recovery		235	1994
EXXON PRODUCTION RESEARCH COMPANY (2)
4390067 Method of treating reservoirs containing very viscous crude oil or bitumen		397	1981
4483398 In-situ retorting of oil shale		124	1983
Resource Technology Associates (1)
5008085 Apparatus for thermal treatment of a hydrocarbon stream		291	1989
HALLIBURTON ENERGY SERVICES, INC. (1)
5676212 Downhole electrode for well guidance system		166	1996
Clean Energy Systems, Inc. (1)
6389814 Hydrocarbon combustion power generation system with CO2 sequestration		241	2000
LITTMANN, WOLFGANG, OSTENMEER 1 STEINHUDE (1)
4508170 Method of increasing the yield of hydrocarbons from a subterranean formation		162	1983
RKK, Ltd. (1)
5050386 Method and apparatus for containment of hazardous material migration in the earth		323	1990
ExxonMobil Upstream Research Company (1)
5339897 Recovery and upgrading of hydrocarbon utilizing in situ combustion and horizontal wells		352	1992
MEDALERT, INC. (1)
5229102 Catalytic ceramic membrane steam-hydrocarbon reformer		244	1990
THOMPSON, GREG H. (2)
4463807 Minimizing subsidence effects during production of coal in situ		142	1983
4448252 Minimizing subsidence effects during production of coal in situ		140	1983
Indugas, Inc. (2)
5020596 Enhanced oil recovery system with a radiant tube heater		288	1990
5082055 Gas fired radiant tube heater		307	1991
NENNIGER, JOHN (1)
5517593 Control system for well stimulation apparatus with response time temperature rise used in determining heater control temperature setpoint		304	1995
NOVELIS INC. (1)
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same		0	2001
OCCIDENTAL SHALE INC. (1)
4623444 Upgrading shale oil by a combination process		217	1985
FRAMO ENGINEERING AS (1)
5285846 Thermal mineral extraction system		292	1992
PRATS, MICHAEL (2)
5984010 Hydrocarbon recovery systems and methods		286	1997
6173775 Systems and methods for hydrocarbon recovery		285	1999
DCNS SA (1)
5861137 Steam reformer with internal hydrogen purification		500	1996
GULF OIL CORPORATION, PITTSBURGH (1)
4637464 In situ retorting of oil shale with pulsed water purge		311	1984
ENGELHARD CORPORATION (1)
4927857 Method of methanol production		319	1989
AIR PRODUCTS AND CHEMICALS, INC. (3)
4683947 Process and apparatus for monitoring and controlling the flammability of gas from an in-situ combustion oil recovery project		73	1985
4734115 Low pressure process for C.sub.3.sup.+ liquids recovery from process product gas		211	1986
5284878 Liquid phase methanol process with co-rich recycle		147	1993
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC (1)
5325918 Optimal joule heating of the subsurface		121	1993
SHELL OIL COMPANY (116)
4359687 Method and apparatus for determining shaliness and oil saturations in earth formations using induced polarization in the frequency domain		293	1980
4398151 Method for correcting an electrical log for the presence of shale in a formation		282	1982
4583046 Apparatus for focused electrode induced polarization logging		284	1983
4540882 Method of determining drilling fluid invasion		295	1983
4542648 Method of correlating a core sample with its original position in a borehole		297	1983
4571491 Method of imaging the atomic number of a sample		311	1983
4583242 Apparatus for positioning a sample in a computerized axial tomographic scanner		286	1983
4613754 Tomographic calibration apparatus		304	1983
4635197 High resolution tomographic imaging method		280	1983
4644283 In-situ method for determining pore size distribution, capillary pressure and permeability		294	1984
4570715 Formation-tailored method and apparatus for uniformly heating long subterranean intervals at high temperature		354	1984
4663711 Method of analyzing fluid saturation using computerized axial tomography		280	1984
4572299 Heater cable installation		322	1984
4585066 Well treating process for installing a cable bundle containing strands of changing diameter		294	1984
4704514 Heating rate variant elongated electrical resistance heater		348	1985
4671102 Method and apparatus for determining distribution of fluids		305	1985
4626665 Metal oversheathed electrical resistance heater		332	1985
4719423 NMR imaging of materials for transport properties		309	1985
4728892 NMR imaging of materials		339	1985
4640352 In-situ steam drive oil recovery process		336	1985
4594468 Process for the preparation of middle distillates from syngas		149	1985
4730162 Time-domain induced polarization logging method and apparatus with gated amplification level		279	1985
4658215 Method for induced polarization logging		283	1986
4616705 Mini-well temperature profiling process		302	1986
4769602 Determining multiphase saturations by NMR imaging of multiple nuclides		304	1986
4769606 Induced polarization method and apparatus for distinguishing dispersed and laminated clay in earth formations		285	1986
4743854 In-situ induced polarization method for determining formation permeability		280	1986
4827761 Sample holder		300	1987
4856341 Apparatus for analysis of failure of material		286	1987
5306640 Method for determining preselected properties of a crude oil		286	1987
4886118 Conductively heating a subterranean oil shale to create permeability and subsequently produce oil		403	1988
4866983 Analytical methods and apparatus for measuring the oil content of sponge core		283	1988
4884455 Method for analysis of failure of material employing imaging		284	1989
4987368 Nuclear magnetism logging tool using high-temperature superconducting squid detectors		308	1989
5046559 Method and apparatus for producing hydrocarbon bearing deposits in formations having shale layers		342	1990
5060726 Method and apparatus for producing tar sand deposits containing conductive layers having little or no vertical communication		307	1990
5060287 Heater utilizing copper-nickel alloy core		339	1990
5065818 Subterranean heaters		332	1991
5189283 Current to power crossover heater control		301	1991
5168927 Method utilizing spot tracer injection and production induced transport for measurement of residual oil saturation		285	1991
5226961 High temperature wellbore cement slurry		317	1992
5255742 Heat injection process		364	1992
5297626 Oil recovery process		341	1992
5236039 Balanced-line RF electrode system for use in RF ground heating to recover oil from oil shale		381	1992
5366012 Method of completing an uncased section of a borehole		562	1993
5391291 Hydrogenation catalyst and process		296	1993
5392854 Oil recovery process		335	1993
5404952 Heat injection process and apparatus		319	1993
5411089 Heat injection process		314	1993
5433271 Heat injection process		304	1993
5409071 Method to cement a wellbore		293	1994
5497087 NMR logging of natural gas reservoirs		321	1994
5498960 NMR logging of natural gas in reservoirs		337	1994
5541517 Method for drilling a borehole from one cased borehole to another cased borehole		304	1995
RE35696 Heat injection process		200	1995
5862858 Flameless combustor		341	1996
5899269 Flameless combustor		341	1996
6056057 Heater well method and apparatus		358	1997
6079499 Heater well method and apparatus		350	1997
6094048 NMR logging of natural gas reservoirs		287	1997
6023554 Electrical heater		347	1998
6102122 Control of heat injection based on temperature and in-situ stress measurement		313	1998
6019172 Flameless combustor		327	1999
6581684 In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids		289	2001
6588503 In Situ thermal processing of a coal formation to control product composition		241	2001
6588504 In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids		247	2001
6591906 In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content		271	2001
6591907 In situ thermal processing of a coal formation with a selected vitrinite reflectance		239	2001
6607033 In Situ thermal processing of a coal formation to produce a condensate		235	2001
6609570 In situ thermal processing of a coal formation and ammonia production		235	2001
6688387 In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate		274	2001
6698515 In situ thermal processing of a coal formation using a relatively slow heating rate		237	2001
6702016 In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer		252	2001
6708758 In situ thermal processing of a coal formation leaving one or more selected unprocessed areas		239	2001
6712135 In situ thermal processing of a coal formation in reducing environment		234	2001
6712136 In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing		298	2001
6712137 In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material		233	2001
6715546 In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore		264	2001
6715547 In situ thermal processing of a hydrocarbon containing formation to form a substantially uniform, high permeability formation		238	2001
6715548 In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids		238	2001
6715549 In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio		194	2001
6719047 In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment		247	2001
6722429 In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas		262	2001
6722430 In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio		234	2001
6722431 In situ thermal processing of hydrocarbons within a relatively permeable formation		264	2001
6725920 In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products		240	2001
6725921 In situ thermal processing of a coal formation by controlling a pressure of the formation		160	2001
6725928 In situ thermal processing of a coal formation using a distributed combustor		234	2001
6729395 In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells		249	2001
6729396 In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range		232	2001
6729397 In situ thermal processing of a hydrocarbon containing formation with a selected vitrinite reflectance		238	2001
6729401 In situ thermal processing of a hydrocarbon containing formation and ammonia production		238	2001
6732794 In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content		239	2001
6732796 In situ production of synthesis gas from a hydrocarbon containing formation, the synthesis gas having a selected H2 to CO ratio		262	2001
6736215 In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration		244	2001
6739393 In situ thermal processing of a coal formation and tuning production		233	2001
6739394 Production of synthesis gas from a hydrocarbon containing formation		241	2001
6742587 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation		233	2001
6742588 In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content		271	2001
6742589 In situ thermal processing of a coal formation using repeating triangular patterns of heat sources		232	2001
6742593 In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation		240	2001
6745831 In situ thermal processing of a hydrocarbon containing formation by controlling a pressure of the formation		264	2001
6745837 In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate		247	2001
6749021 In situ thermal processing of a coal formation using a controlled heating rate		236	2001
6752210 In situ thermal processing of a coal formation using heat sources positioned within open wellbores		261	2001
6758268 In situ thermal processing of a hydrocarbon containing formation using a relatively slow heating rate		238	2001
6761216 In situ thermal processing of a coal formation to produce hydrocarbon fluids and synthesis gas		234	2001
6763886 In situ thermal processing of a coal formation with carbon dioxide sequestration		217	2001
6769483 In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources		249	2001
6769485 In situ production of synthesis gas from a coal formation through a heat source wellbore		237	2001
6789625 In situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources		238	2001
6805195 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas		226	2001
6820688 In situ thermal processing of coal formation with a selected hydrogen content and/or selected H/C ratio		216	2001
6866097 In situ thermal processing of a coal formation to increase a permeability/porosity of the formation		199	2001
2004/0015,023 IN SITU THERMAL PROCESSING OF A HYDROCARBON CONTAINING FORMATION TO PRODUCE A HYDROCARBON CONDENSATE		80	2001
6782947 In situ thermal processing of a relatively impermeable formation to increase permeability of the formation		297	2002
Chevron Research Company (9)
4303126 Arrangement of wells for producing subsurface viscous petroleum		202	1980
4273188 In situ combustion process for the recovery of liquid carbonaceous fuels from subterranean formations		284	1980
4381641 Substoichiometric combustion of low heating value gases		319	1980
4366668 Substoichiometric combustion of low heating value gases		299	1981
4363361 Substoichiometric combustion of low heating value gases		291	1981
4460044 Advancing heated annulus steam drive		212	1982
4544478 Process for pyrolyzing hydrocarbonaceous solids to recover volatile hydrocarbons		106	1984
4696345 Hasdrive with multiple offset producers		171	1986
4828031 In situ chemical stimulation of diatomite formations		232	1987
RAMEX SYN-FUELS INTERNATIONAL, INC. (1)
4928765 Method and apparatus for shale gas recovery		305	1988
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV (1)
4605680 Conversion of synthesis gas to diesel fuel and gasoline		289	1985

* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info	(Count)	# Cites	Year
HALLIBURTON ENERGY SERVICES, INC. (1)
7909094 Oscillating fluid flow in a wellbore		17	2008
Mountain West Energy Inc. (1)
8205674 Apparatus, system, and method for in-situ extraction of hydrocarbons		2	2007
CUMMINS FILTRATION IP, INC. (1)
8071037 Catalytic devices for converting urea to ammonia		3	2008
The United States of America as represented by the United States Department of Energy (1)
7597147 Temperature limited heaters using phase transformation of ferromagnetic material		158	2007
SHELL OIL COMPANY (170)
7156176 Installation and use of removable heaters in a hydrocarbon containing formation		185	2002
8238730 High voltage temperature limited heaters		47	2003
8224164 Insulated conductor temperature limited heaters		46	2003
8224163 Variable frequency temperature limited heaters		0	2003
8200072 Temperature limited heaters for heating subsurface formations or wellbores		47	2003
7219734 Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation		204	2003
7121341 Conductor-in-conduit temperature limited heaters		189	2003
8355623 Temperature limited heaters with high power factors		43	2005
7510000 Reducing viscosity of oil for production from a hydrocarbon containing formation		144	2005
7490665 Variable frequency temperature limited heaters		138	2005
7481274 Temperature limited heaters with relatively constant current		131	2005
7431076 Temperature limited heaters using modulated DC power		144	2005
7424915 Vacuum pumping of conductor-in-conduit heaters		142	2005
7383877 Temperature limited heaters with thermally conductive fluid used to heat subsurface formations		137	2005
7370704 Triaxial temperature limited heater		144	2005
7357180 Inhibiting effects of sloughing in wellbores		160	2005
7353872 Start-up of temperature limited heaters using direct current (DC)		142	2005
7320364 Inhibiting reflux in a heated well of an in situ conversion system		134	2005
8224165 Temperature limited heater utilizing non-ferromagnetic conductor		50	2006
8070840 Treatment of gas from an in situ conversion process		48	2006
8027571 In situ conversion process systems utilizing wellbores in at least two regions of a formation		74	2006
* 7986869 Varying properties along lengths of temperature limited heaters		76	2006
7942197 Methods and systems for producing fluid from an in situ conversion process		75	2006
7860377 Subsurface connection methods for subsurface heaters		115	2006
7831133 Insulated conductor temperature limited heater for subsurface heating coupled in a three-phase WYE configuration		101	2006
7831134 Grouped exposed metal heaters		94	2006
7575052 In situ conversion process utilizing a closed loop heating system		133	2006
7575053 Low temperature monitoring system for subsurface barriers		131	2006
7546873 Low temperature barriers for use with in situ processes		119	2006
7527094 Double barrier system for an in situ conversion process		160	2006
7500528 Low temperature barrier wellbores formed using water flushing		143	2006
7435037 Low temperature barriers with heat interceptor wells for in situ processes		154	2006
* 2007/0137,857 Low temperature monitoring system for subsurface barriers		112	2006
8606091 Subsurface heaters with low sulfidation rates		13	2006
7635025 Cogeneration systems and processes for treating hydrocarbon containing formations		142	2006
7591310 Methods of hydrotreating a liquid stream to remove clogging compounds		155	2006
7584789 Methods of cracking a crude product to produce additional crude products		164	2006
7581589 Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid		157	2006
7562706 Systems and methods for producing hydrocarbons from tar sands formations		163	2006
7559367 Temperature limited heater with a conduit substantially electrically isolated from the formation		165	2006
7559368 Solution mining systems and methods for treating hydrocarbon containing formations		167	2006
7556095 Solution mining dawsonite from hydrocarbon containing formations with a chelating agent		184	2006
7556096 Varying heating in dawsonite zones in hydrocarbon containing formations		174	2006
7549470 Solution mining and heating by oxidation for treating hydrocarbon containing formations		196	2006
7461691 In situ recovery from a hydrocarbon containing formation		192	2007
8083813 Methods of producing transportation fuel		54	2007
7912358 Alternate energy source usage for in situ heat treatment processes		74	2007
7866385 Power systems utilizing the heat of produced formation fluid		98	2007
7793722 Non-ferromagnetic overburden casing		92	2007
7785427 High strength alloys		96	2007
7683296 Adjusting alloy compositions for selected properties in temperature limited heaters		109	2007
7673786 Welding shield for coupling heaters		110	2007
7635023 Time sequenced heating of multiple layers in a hydrocarbon containing formation		187	2007
7631689 Sulfur barrier for use with in situ processes for treating formations		147	2007
7610962 Sour gas injection for use with in situ heat treatment		134	2007
7604052 Compositions produced using an in situ heat treatment process		162	2007
7533719 Wellhead with non-ferromagnetic materials		168	2007
7798221 In situ recovery from a hydrocarbon containing formation		122	2007
7845411 In situ heat treatment process utilizing a closed loop heating system		115	2007
7841401 Gas injection to inhibit migration during an in situ heat treatment process		95	2007
7730946 Treating tar sands formations with dolomite		102	2007
7730945 Using geothermal energy to heat a portion of a formation for an in situ heat treatment process		105	2007
7730947 Creating fluid injectivity in tar sands formations		107	2007
7717171 Moving hydrocarbons through portions of tar sands formations with a fluid		107	2007
7703513 Wax barrier for use with in situ processes for treating formations		117	2007
7681647 Method of producing drive fluid in situ in tar sands formations		122	2007
7677310 Creating and maintaining a gas cap in tar sands formations		102	2007
7677314 Method of condensing vaporized water in situ to treat tar sands formations		98	2007
7673681 Treating tar sands formations with karsted zones		104	2007
7644765 Heating tar sands formations while controlling pressure		111	2007
7635024 Heating tar sands formations to visbreaking temperatures		145	2007
7631690 Heating hydrocarbon containing formations in a spiral startup staged sequence		155	2007
7562707 Heating hydrocarbon containing formations in a line drive staged process		175	2007
7540324 Heating hydrocarbon containing formations in a checkerboard pattern staged process		174	2007
7640980 Thermal processes for subsurface formations		109	2008
9181780 Controlling and assessing pressure conditions during treatment of tar sands formations		0	2008
8791396 Floating insulated conductors for heating subsurface formations		5	2008
8662175 Varying properties of in situ heat treatment of a tar sands formation based on assessed viscosities		22	2008
8459359 Treating nahcolite containing formations and saline zones		34	2008
8381815 Production from multiple zones of a tar sands formation		46	2008
8327681 Wellbore manufacturing processes for in situ heat treatment processes		23	2008
8042610 Parallel heater system for subsurface formations		72	2008
7950453 Downhole burner systems and methods for heating subsurface formations		93	2008
7931086 Heating systems for heating subsurface formations		93	2008
7849922 In situ recovery from residually heated sections in a hydrocarbon containing formation		106	2008
7841408 In situ heat treatment from multiple layers of a tar sands formation		108	2008
7841425 Drilling subsurface wellbores with cutting structures		102	2008
7832484 Molten salt as a heat transfer fluid for heating a subsurface formation		100	2008
7798220 In situ heat treatment of a tar sands formation after drive process treatment		103	2008
8536497 Methods for forming long subsurface heaters		18	2008
8276661 Heating subsurface formations by oxidizing fuel on a fuel carrier		46	2008
8272455 Methods for forming wellbores in heated formations		20	2008
8240774 Solution mining and in situ treatment of nahcolite beds		44	2008
8196658 Irregular spacing of heat sources for treating hydrocarbon containing formations		59	2008
8162059 Induction heaters used to heat subsurface formations		61	2008
8146661 Cryogenic treatment of gas		59	2008
8146669 Multi-step heater deployment in a subsurface formation		54	2008
8113272 Three-phase heaters with common overburden sections for heating subsurface formations		37	2008
8011451 Ranging methods for developing wellbores in subsurface formations		59	2008
7866386 In situ oxidation of subsurface formations		108	2008
7866388 High temperature methods for forming oxidizer fuel		93	2008
8627887 In situ recovery from a hydrocarbon containing formation		22	2008
8752904 Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations		0	2009
8177305 Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations		59	2009
8172335 Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations		50	2009
8162405 Using tunnels for treating subsurface hydrocarbon containing formations		50	2009
8151907 Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations		55	2009
9129728 Systems and methods of forming subsurface wellbores		1	2009
9051829 Perforated electrical conductors for treating subsurface formations		1	2009
9022118 Double insulated heaters for treating subsurface formations		1	2009
8881806 Systems and methods for treating a subsurface formation with electrical conductors		9	2009
8353347 Deployment of insulated conductors for treating subsurface formations		24	2009
8281861 Circulated heated transfer fluid heating of subsurface hydrocarbon formations		47	2009
8267170 Offset barrier wells in subsurface formations		40	2009
8267185 Circulated heated transfer fluid systems used to treat a subsurface formation		46	2009
8261832 Heating subsurface formations with fluids		53	2009
8256512 Movable heaters for treating subsurface hydrocarbon containing formations		33	2009
8220539 Controlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation		67	2009
8636323 Mines and tunnels for use in treating subsurface hydrocarbon containing formations		21	2009
8562078 Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations		20	2009
7942203 Thermal processes for subsurface formations		93	2010
8851170 Heater assisted fluid treatment of a subsurface formation		2	2010
8448707 Non-conducting heater casings		1	2010
8434555 Irregular pattern treatment of a subsurface formation		33	2010
8327932 Recovering energy from a subsurface formation		41	2010
8608249 In situ thermal processing of an oil shale formation		8	2010
8192682 High strength alloys		43	2010
8225866 In situ recovery from a hydrocarbon containing formation		46	2010
8233782 Grouped exposed metal heaters		36	2010
9466896 Parallelogram coupling joint for coupling insulated conductors		0	2010
8816203 Compacted coupling joint for coupling insulated conductors		2	2010
8356935 Methods for assessing a temperature in a subsurface formation		26	2010
8257112 Press-fit coupling joint for joining insulated conductors		29	2010
8151880 Methods of making transportation fuel		54	2010
9127523 Barrier methods for use in subsurface hydrocarbon formations		1	2011
9127538 Methodologies for treatment of hydrocarbon formations using staged pyrolyzation		0	2011
9033042 Forming bitumen barriers in subsurface hydrocarbon formations		0	2011
8967259 Helical winding of insulated conductor heaters for installation		0	2011
8939207 Insulated conductor heaters with semiconductor layers		3	2011
8833453 Electrodes for electrical current flow heating of subsurface formations with tapered copper thickness		0	2011
8820406 Electrodes for electrical current flow heating of subsurface formations with conductive material in wellbore		0	2011
8739874 Methods for heating with slots in hydrocarbon formations		1	2011
8701768 Methods for treating hydrocarbon formations		8	2011
8701769 Methods for treating hydrocarbon formations based on geology		8	2011
8631866 Leak detection in circulated fluid systems for heating subsurface formations		18	2011
8502120 Insulating blocks and methods for installation in insulated conductor heaters		16	2011
8485256 Variable thickness insulated conductors		16	2011
8230927 Methods and systems for producing fluid from an in situ conversion process		36	2011
8579031 Thermal processes for subsurface formations		0	2011
8943686 Compaction of electrical insulation for joining insulated conductors		8	2011
8857051 System and method for coupling lead-in conductor to insulated conductor		1	2011
8732946 Mechanical compaction of insulator for insulated conductor splices		2	2011
8586866 Hydroformed splice for insulated conductors		2	2011
8586867 End termination for three-phase insulated conductors		1	2011
9048653 Systems for joining insulated conductors		0	2012
9016370 Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment		0	2012
8555971 Treating tar sands formations with dolomite		18	2012
8485252 In situ recovery from a hydrocarbon containing formation		36	2012
8485847 Press-fit coupling joint for joining insulated conductors		22	2012
9309755 Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations		0	2012
9226341 Forming insulated conductors using a final reduction step after heat treating		0	2012
9080409 Integral splice for insulated conductors		0	2012
9080917 System and methods for using dielectric properties of an insulated conductor in a subsurface formation to assess properties of the insulated conductor		0	2012
8857506 Alternate energy source usage methods for in situ heat treatment processes		3	2013
8789586 In situ recovery from a hydrocarbon containing formation		1	2013
8859942 Insulating blocks and methods for installation in insulated conductor heaters		0	2013
9337550 End termination for three-phase insulated conductors		0	2013
9022109 Leak detection in circulated fluid systems for heating subsurface formations		1	2014
9528322 Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations		0	2014
9399905 Leak detection in circulated fluid systems for heating subsurface formations		0	2015
COMPANY, SHELL OIL (1)
8191630 Creating fluid injectivity in tar sands formations		58	2010
GENIE IP B.V. (1)
9605524 Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation		0	2012
CONOCOPHILLIPS COMPANY (1)
* 8002034 Recovery of hydrocarbons from oil shale deposits		0	2010

* Cited By Examiner

Maintenance Fees

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11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jun 13, 2017

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 13, 2005	US,6973967,B2   US6973967B2	GRANTED PATENT AS SECOND PUBLICATION
April 25, 2002	US,20020046883,A1   US20020046883A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6973967

Situ thermal processing of a coal formation using pressure and/or temperature control

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