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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	2363

International Classification(s)

• E21B:EARTH OR ROCK DRILLING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Nguyen, Scott Vinh	Houston, US	17	1621
Vinegar, Harold J	Bellaire, US	330	68241

Cited Art Landscape

Patent Info	(Count)	# Cites	Year
Z-SEIS CORPORATION (3)
6269310 System for eliminating headwaves in a tomographic process		160	1999
6193010 System for generating a seismic signal in a borehole		162	1999
6196350 Apparatus and method for attenuating tube waves in a borehole		162	1999
Other [Check patent profile for assignment information] (41)
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		313	1981
4444258 In situ recovery of oil from oil shale		301	1981
4455215 Process for the geoconversion of coal into oil		169	1982
4442896 Treatment of underground beds		254	1982
4479541 Method and apparatus for recovery of oil, gas and mineral deposits by panel opening		276	1982
4609041 Well hot oil system		152	1983
4538682 Method and apparatus for removing oil well paraffin		181	1983
4762425 System for temperature profile measurement in large furnances and kilns and method therefor		292	1987
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		425	1990
5217076 Method and apparatus for improved recovery of oil from porous, subsurface deposits (targevcir oricess)		407	1991
5360067 Vapor-extraction system for removing hydrocarbons from soil		197	1993
5400430 Method for injection well stimulation		161	1994
5458774 Corrugated spiral membrane module		86	1994
5624188 Acoustic thermometer		298	1994
5823256 Ferrule--type fitting for sealing an electrical conduit in a well head barrier		78	1996
6112808 Method and apparatus for subterranean thermal conditioning		293	1997
5984582 Method of extracting a hollow unit laid in the ground		182	1997
5879110 Methods for encapsulating buried waste in situ with molten wax		130	1998
6942032 Resistive down hole heating tool		93	2003
7114880 Process for the excavation of buried waste		110	2004
2005/0269,091 Reducing viscosity of oil for production from a hydrocarbon containing formation		118	2005
2008/0283,241 Downhole burner wells for in situ conversion of organic-rich rock formations		144	2008
2009/0071,652 IN SITU HEAT TREATMENT FROM MULTIPLE LAYERS OF A TAR SANDS FORMATION		134	2008
2009/0090,509 IN SITU RECOVERY FROM RESIDUALLY HEATED SECTIONS IN A HYDROCARBON CONTAINING FORMATION		110	2008
2009/0095,480 IN SITU HEAT TREATMENT OF A TAR SANDS FORMATION AFTER DRIVE PROCESS TREATMENT		98	2008
2009/0120,646 ELECTRICALLY ISOLATING INSULATED CONDUCTOR HEATER		133	2008
2009/0194,282 IN SITU OXIDATION OF SUBSURFACE FORMATIONS		114	2008
2009/0194,286 MULTI-STEP HEATER DEPLOYMENT IN A SUBSURFACE FORMATION		117	2008
2009/0194,287 INDUCTION HEATERS USED TO HEAT SUBSURFACE FORMATIONS		123	2008
2009/0194,329 METHODS FOR FORMING WELLBORES IN HEATED FORMATIONS		132	2008
2009/0194,524 METHODS FOR FORMING LONG SUBSURFACE HEATERS		134	2008
2009/0200,022 CRYOGENIC TREATMENT OF GAS		136	2008
2009/0200,025 HIGH TEMPERATURE METHODS FOR FORMING OXIDIZER FUEL		96	2008
2009/0200,031 IRREGULAR SPACING OF HEAT SOURCES FOR TREATING HYDROCARBON CONTAINING FORMATIONS		126	2008
2009/0200,290 VARIABLE VOLTAGE LOAD TAP CHANGING TRANSFORMER		140	2008
2009/0038,795 Hydrocarbon Recovery From Impermeable Oil Shales Using Sets of Fluid-Heated Fractures		106	2008
Phillips Petroleum Company (2)
4474238 Method and apparatus for treatment of subsurface formations		232	1982
4885080 Process for demetallizing and desulfurizing heavy crude oil		224	1988
RAYCHEM S.A. (1)
5579575 Method and apparatus for forming an electrical connection		181	1994
NICOLIA, JOSEPH (11)
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
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
RAYCHEM LIMITED (2)
4985313 Wire and cable		204	1986
5209987 Wire and cable		206	1990
Raychem Corporation (2)
4417782 Fiber optic temperature sensing		179	1980
4701587 Shielded heating element having intrinsic temperature control		248	1981
THE BABCOCK & WILCOX COMPANY (1)
4848924 Acoustic pyrometer		301	1987
Elektra Energie A.G. (1)
4456065 Heavy oil recovering		341	1981
RAYCHEM GMBH (1)
4733057 Sheet heater		199	1986
HARMON, JERALD L. (1)
6584406 Downhole process control method utilizing seismic communication		224	2000
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		289	2000
GENERAL SYNFUELS INTERNATIONAL, A NEVADA CORPORATION (1)
7048051 Recovery of products from oil shale		135	2003
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		350	1980
4409090 Process for recovering products from tar sand		299	1982
COOPER CAMERON CORPORATION (1)
4474236 Method and apparatus for remote installations of dual tubing strings in a subsea well		122	1983
Steel Ventures, L.L.C. (1)
7032809 Seam-welded metal pipe and method of making the same without seam anneal		107	2003
SYNFUEL, A LIMITED PARTNERSHIP OF IN, A CORP. OF IN. (1)
4401162 In situ oil shale process		163	1981
Intercontinental Econergy Associates, Inc. (1)
4452491 Recovery of hydrocarbons from deep underground deposits of tar sands		181	1981
GEOPETROL EQUIPMENT LTD. (1)
5985138 Tar sands extraction process		304	1998
LOCKHEED MARTIN CORPORATION (1)
6467543 System and process for secondary hydrocarbon recovery		216	2000
Texaco Inc. (12)
4524826 Method of heating an oil shale formation		309	1982
4592423 Hydrocarbon stratum retorting means and method		282	1984
4577691 Method and apparatus for producing viscous hydrocarbons from a subterranean formation		144	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		294	1986
5102551 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent		79	1991
5093002 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent		77	1991
5199490 Formation treating		93	1991
5284206 Formation treating		85	1992
5632336 Method for improving injectivity of fluids in oil reservoirs		289	1994
5571403 Process for extracting hydrocarbons from diatomite		202	1995
5826655 Method for enhanced recovery of viscous oil deposits		217	1996
Science & Engineering Associates, Inc. (1)
6035701 Method and system to locate leaks in subsurface containment structures using tracer gases		213	1998
NALCO COMPANY (1)
5654261 Permeability modifying composition for use in oil recovery		90	1996
IIT Research Institute (4)
RE30738 Apparatus and method for in situ heat processing of hydrocarbonaceous formations		356	1980
4498535 Apparatus and method for in situ controlled heat processing of hydrocarbonaceous formations with a controlled parameter line		280	1982
4545435 Conduction heating of hydrocarbonaceous formations		217	1983
5621845 Apparatus for electrode heating of earth for recovery of subsurface volatiles and semi-volatiles		165	1995
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. (2)
4817711 System for recovery of petroleum from petroleum impregnated media		382	1987
4912971 System for recovery of petroleum from petroleum impregnated media		234	1989
OSUM OIL SANDS CORP. (2)
2007/0044,957 Method for underground recovery of hydrocarbons		78	2006
2008/0078,552 METHOD OF HEATING HYDROCARBONS		85	2007
CONCEPT R.K.K. LIMITED (1)
4860544 Closed cryogenic barrier for containment of hazardous material migration in the earth		329	1988
THERMON MANUFACTURING COMPANY (2)
4645906 Reduced resistance skin effect heat generating system		191	1985
5512732 Switch controlled, zone-type heating cable and method		276	1993
TOMOSEIS, INC. (1)
6388947 Multi-crosswell profile 3D imaging and method		212	1998
UT-BATTELLE, LLC (2)
7153373 Heat and corrosion resistant cast CF8C stainless steel with improved high temperature strength and ductility		139	2002
2008/0078,551 Liquid Metal Heat Exchanger for Efficient Heating of Soils and Geologic Formations		80	2006
Scioto County Regional Water District #1 (1)
6422318 Horizontal well system		197	2000
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		283	1993
CENTRIFLOW LLC (1)
2002/0153,141 Method for pumping fluids		171	2001
ELECTRIC POWER RESEARCH INSTITUTE, INC. (1)
5911898 Method and apparatus for providing multiple autoregulated temperatures		173	1995
UOP LLC (1)
5802870 Sorption cooling process and system		103	1997
PRESSSOL LTD. (2)
6854534 Two string drilling system using coil tubing		162	2003
7204327 Reverse circulation directional and horizontal drilling using concentric drill string		147	2003
SCOTOIL SERVICES LIMITED (1)
6805194 Gas and oil production		154	2002
BAKER HUGHES INCORPORATED (8)
5173213 Corrosion and anti-foulant composition and method of use		87	1991
5782301 Oil well heater cable		154	1996
6088294 Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction		261	1997
6084826 Measurement-while-drilling acoustic system employing multiple, segmented transmitters and receivers		202	1998
6078868 Reference signal encoding for seismic while drilling measurement		170	1999
6427124 Semblance processing for an acoustic measurement-while-drilling system for imaging of formation boundaries		171	1999
6588266 Monitoring of downhole parameters and tools utilizing fiber optics		206	2001
6585046 Live well heater cable		211	2001
ITT RESEARCH INSTITUTE (1)
4485869 Recovery of liquid hydrocarbons from oil shale by electromagnetic heating in situ		383	1982
INNOTECH ALBERTA INC. (1)
6257334 Steam-assisted gravity drainage heavy oil recovery process		166	1999
STILL-MAN HEATING PRODUCTS, INC. (1)
5066852 Thermoplastic end seal for electric heating elements		197	1990
KRUPP KOPPERS GMBH (1)
4994093 Method of producing methanol synthesis gas		283	1990
RED OAK PARTNERSHIP, L.P., THE (1)
5435666 Methods for isolating a water table and for soil remediation		225	1993
S-CAL RESEARCH CORPORATION (1)
4706751 Heavy oil recovery process		307	1986
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		325	1987
4983319 Preparation of low-viscosity improved stable crude oil transport emulsions		295	1988
5340467 Process for recovery of hydrocarbons and rejection of sand		341	1991
5316664 Process for recovery of hydrocarbons and rejection of sand		334	1992
HEMOSTATIC SURGERY CORPORATION, A CAYMAN ISLANDS COMPANY (1)
4549073 Current controller for resistive heating element		99	1981
BABCOCK & WILCOX TECHNOLOGY, INC. (2)
5760307 EMAT probe and technique for weld inspection		212	1995
6155117 Edge detection and seam tracking with EMATs		209	1999
PETROLEO BRASILEIRO S.A. - PETROBRAS (1)
5182792 Process of electric pipeline heating utilizing heating elements inserted in pipelines		285	1991
EVI CHERRINGTON ENVIRONMENTAL, INC. (1)
5040601 Horizontal well bore system		82	1990
Mobil Oil Corporation (23)
4380930 System for transmitting ultrasonic energy through core samples		200	1981
4368114 Octane and total yield improvement in catalytic cracking		126	1981
4410042 In-situ combustion method for recovery of heavy oil utilizing oxygen and carbon dioxide as initial oxidant		211	1981
4549396 Conversion of coal to electricity		288	1982
4530401 Method for maximum in-situ visbreaking of heavy oil		282	1982
4429745 Oil recovery method		219	1982
4458767 Method for directionally drilling a first well to intersect a second well		261	1982
4598392 Vibratory signal sweep seismic prospecting method and apparatus		184	1983
4573530 In-situ gasification of tar sands utilizing a combustible gas		281	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
4577690 Method of using seismic data to monitor firefloods		171	1984
4598770 Thermal recovery method for viscous oil		317	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		315	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		250	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		298	1994
Tubarc Technologies, LLC (3)
6766817 Fluid conduction utilizing a reversible unsaturated siphon with tubarc porosity action		1042	2002
6918404 Irrigation and drainage based on hydrodynamic unsaturated fluid flow		680	2004
7066586 Ink refill and recharging system		663	2004
PASSERFIN OIL, GAS AND PIPELINE SERVICE GMBH (1)
* 5619611 Device for removing downhole deposits utilizing tubular housing and passing electric current through fluid heating medium contained therein		45	1995
Rangewest Technologies Ltd. (1)
6039121 Enhanced lift method and apparatus for the production of hydrocarbons		177	1997
Anadarko Petroleum Corporation (1)
2003/0029,617 Apparatus, method and system for single well solution-mining		196	2001
TUBEL TECHNOLOGIES, INC. (1)
6913079 Method and system for monitoring smart structures utilizing distributed optical sensors		295	2001
LATJET SYSTEMS LLC (1)
6283230 Method and apparatus for lateral well drilling utilizing a rotating nozzle		120	1999
LONGYEAR COMPANY (1)
4823890 Reverse circulation bit apparatus		162	1988
PRODUCTION TECHNOLOGIES INTERNATIONAL, INC. (2)
4716960 Method and system for introducing electric current into a well		365	1986
5207273 Method and apparatus for pumping wells		336	1990
Advnaced Engineering Solutions Ltd. (1)
6102137 Apparatus and method for forming ducts and passageways		181	1998
SOCIETE NATIONALE ELF AQUITAINE (1)
4513816 Sealing system for a well bore in which a hot fluid is circulated		279	1984
DELAWARE CAPITAL FORMATION, INC. (5)
4717814 Slotted autoregulating heater		199	1984
4623401 Heat treatment with an autoregulating heater		237	1986
4814587 High power self-regulating heater		188	1986
4794226 Self-regulating porous heater device		173	1986
5073625 Self-regulating porous heating device		177	1988
Eureka Oil ASA (1)
6499536 Method to increase the oil production from an oil reservoir		251	2000
IEP TECHNOLOGY, INC. (1)
6684948 Apparatus and method for heating subterranean formations using fuel cells		236	2002
BATTELLE MEMORIAL INSTITUTE (1)
5545803 Heating of solid earthen material, measuring moisture and resistivity		195	1994
UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION (1)
4776638 Method and apparatus for conversion of coal in situ		352	1987
SCHLUMBERGER TECHNOLOGY CORPORATION (1)
6318469 Completion equipment having a plurality of fluid paths for use in a well		35	2000
ROCKWELL INTERNATIONAL CORPORATION (1)
4498531 Emission controller for indirect fired downhole steam generators		150	1982
Sperika Enterprises Ltd. (1)
5854472 Low-voltage and low flux density heating system		69	1996
MOTOREN-WERKE MANNHEIM AG VORM. BENZ ABT. STAT. MOTORENBAU, CARL-BENZ-STRASSE 5, 6800 MANNHEIM 1, GERMANY (1)
4378048 Substoichiometric combustion of low heating value gases using different platinum catalysts		281	1981
AMP Incorporated (1)
5065501 Generating electromagnetic fields in a self regulating temperature heater by positioning of a current return bus		174	1990
SCHLUMBERGER TECHNOLOGIES, INC. (1)
6354373 Expandable tubing for a well bore hole and method of expanding		425	1998
Oil Chem Technologies (1)
6022834 Alkaline surfactant polymer flooding composition and process		139	1997
MAST AUTOMATION, INC. (1)
5777229 Sensor transport system for combination flash butt welder		208	1996
NKK Corporation (1)
5261490 Method for dumping and disposing of carbon dioxide gas and apparatus therefor		297	1992
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
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
Hrubetz Environmental Services, Inc. (1)
5011329 In situ soil decontamination method and apparatus		213	1990
BHP MINERALS INTERNATIONAL (1)
5968349 Extraction of bitumen from bitumen froth and biotreatment of bitumen froth tailings generated from tar sands		406	1998
PIRSON, JACQUE (1)
4491179 Method for oil recovery by in situ exfoliation drive		173	1982
OIL STATES ENERGY SERVICES, L.L.C. (1)
6516891 Dual string coil tubing injector assembly		114	2001
Nippondenso Co., Ltd. (1)
4639712 Sheathed heater		75	1985
ATLANTIC RICHFIELD COMPANY (7)
4399866 Method for controlling the flow of subterranean water into a selected zone in a permeable subterranean carbonaceous deposit		224	1981
4489782 Viscous oil production using electrical current heating and lateral drain holes		312	1983
4597444 Method for excavating a large diameter shaft into the earth and at least partially through an oil-bearing formation		209	1984
4662437 Electrically stimulated well production system with flexible tubing conductor		229	1985
4640353 Electrode well and method of completion		233	1986
4651825 Enhanced well production		289	1986
4744245 Acoustic measurements in rock formations for determining fracture orientation		180	1986
M.W. KELLOGG COMPANY, THE, (A DE. CORP. FORMED IN 1987) (1)
4407973 Methanol from coal and natural gas		287	1982
RWE-DEA AKTIENGESELLSCHAFT FUER MINERALOEL UND CHEMIE (1)
4390973 Method for determining the extent of subsurface reaction involving acoustic signals		172	1981
BETZ LABORATORIES, INC. (1)
4840720 Process for minimizing fouling of processing equipment		82	1988
MUELLER, THOMAS D. (1)
4572229 Variable proportioner		70	1984
Exxon Research and Engineering Company (4)
4458757 In situ shale-oil recovery process		285	1983
5275726 Spiral wound element for separation		103	1992
5935421 Continuous in-situ combination process for upgrading heavy oil		259	1996
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		242	2000
COGNIS DEUTSCHLAND GMBH & CO. KG (1)
5318709 Process for the production of surfactant mixtures based on ether sulfonates and their use		122	1991
ALBERTA INNOVATES - TECHNOLOGY FUTURES (1)
6412559 Process for recovering methane and/or sequestering fluids		347	2000
AGILENT TECHNOLOGIES, INC. (1)
5150118 Interchangeable coded key pad assemblies alternately attachable to a user definable keyboard to enable programmable keyboard functions		154	1990
Carbotek, Inc. (1)
4694907 Thermally-enhanced oil recovery method and apparatus		353	1986
BETZDEARBORN INC. (1)
5282957 Methods for inhibiting polymerization of hydrocarbons utilizing a hydroxyalkylhydroxylamine		83	1992
Magrange, Inc. (1)
5064006 Downhole combination tool		331	1988
AMERICAN SHALE OIL, LLC (1)
2007/0193,743 In situ method and system for extraction of oil from shale		56	2007
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
JUDD, DANIEL (1)
4856587 Recovery of oil from oil-bearing formation by continually flowing pressurized heated gas through channel alongside matrix		298	1988
SOLENIS TECHNOLOGIES, L.P. (1)
6417268 Method for making hydrophobically associative polymers, methods of use and compositions		85	1999
THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE (1)
5652389 Non-contact method and apparatus for inspection of inertia welds		224	1996
CARBONIUM S.R.L. (5)
2004/0213,727 Device and method for production of carbon nanotubes, fullerene and their derivatives		4	2003
2004/0213,727 Device and method for production of carbon nanotubes, fullerene and their derivatives		4	2003
2004/0213,727 Device and method for production of carbon nanotubes, fullerene and their derivatives		4	2003
2004/0213,727 Device and method for production of carbon nanotubes, fullerene and their derivatives		4	2003
2004/0213,727 Device and method for production of carbon nanotubes, fullerene and their derivatives		4	2003
CHEVRON RESEARCH AND TECHNOLOGY COMPANY (4)
5054551 In-situ heated annulus refining process		223	1990
5085276 Production of oil from low permeability formations by sequential steam fracturing		239	1990
5145003 Method for in-situ heated annulus refining process		241	1991
5305829 Oil production from diatomite formations by fracture steamdrive		235	1992
ELECTRO-PETROLEUM, INC. (1)
4382469 Method of in situ gasification		112	1981
TRANSPACIFIC INFORMATION, LLC (1)
2002/0027,612 Spatio-temporal channel for images		46	2001
Chambers Development Co., Inc. (1)
5295763 Method for controlling gas migration from a landfill		209	1992
Union Oil Company of California (2)
5126037 Geopreater heating method and apparatus		304	1990
5723423 Solvent soaps and methods employing same		145	1996
Cities Service Company (2)
4412585 Electrothermal process for recovering hydrocarbons		302	1982
4501445 Method of in-situ hydrogenation of carbonaceous material		294	1983
Master Corporation (2)
RE39077 Acid gas disposal		102	2002
RE39244 Acid gas disposal		101	2004
Energy Research Corporation (2)
4772634 Apparatus and method for methanol production using a fuel cell to regulate the gas composition entering the methanol synthesizer		305	1986
5554453 Carbonate fuel cell system with thermally integrated gasification		337	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		384	1997
TYCO THERMAL CONTROLS LLC (1)
6288372 Electric cable having braidless polymeric ground plane providing fault detection		209	1999
The United States of America as represented by the United States Department of Energy (4)
4385661 Downhole steam generator with improved preheating, combustion and protection features		199	1981
7597147 Temperature limited heaters using phase transformation of ferromagnetic material		159	2007
2008/0035,348 Temperature limited heaters using phase transformation of ferromagnetic material		66	2007
2009/0078,461 DRILLING SUBSURFACE WELLBORES WITH CUTTING STRUCTURES		100	2008
Concept RKK, Limited (1)
4974425 Closed cryogenic barrier for containment of hazardous material migration in the earth		327	1989
EARTH TOOL COMPANY, LLC (1)
2002/0112,890 Conduit pulling apparatus and method for use in horizontal drilling		185	2002
Standard Oil Company (Indiana) (4)
4353418 In situ retorting of oil shale		310	1980
4425967 Ignition procedure and process for in situ retorting of oil shale		179	1981
4537252 Method of underground conversion of coal		285	1984
4552214 Pulsed in situ retorting in an array of oil shale retorts		226	1984
DOWELL SCHLUMBERGER INCORPORATED (1)
4940095 Deployment/retrieval method and apparatus for well tools used with coiled tubing		148	1989
DA QUING PETROLEUM ADMINISTRATION BUREAU (1)
6439308 Foam drive method		82	2000
CONOCO INC. (1)
4418752 Thermal oil recovery with solvent recirculation		208	1982
RAYTHEON COMPANY (2)
4457365 In situ radio frequency selective heating system		352	1981
4487257 Apparatus and method for production of organic products from kerogen		180	1981
TerraTek, Inc. (1)
4384613 Method of in-situ retorting of carbonaceous material for recovery of organic liquids and gases		299	1980
The Standard Oil Company (2)
4401163 Modified in situ retorting of oil shale		220	1980
4457374 Transient response process for detecting in situ retorting conditions		271	1982
CONOCOPHILLIPS COMPANY (1)
5411104 Coalbed methane drilling		354	1994
UOP LLC (4)
4310440 Crystalline metallophosphate compositions		501	1980
4440871 Crystalline silicoaluminophosphates		825	1982
4500651 Titanium-containing molecular sieves		184	1983
4686029 Dewaxing catalysts and processes employing titanoaluminosilicate molecular sieves		85	1985
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
4577503 Method and device for detecting a specific acoustic spectral feature		188	1984
MEGGITT AVIOINICS, INC. (1)
5828797 Fiber optic linked flame sensor		192	1996
METCAL, INC. (2)
4752673 Autoregulating heater		214	1982
4695713 Autoregulating, electrically shielded heater		222	1983
Patton Consulting Inc. (1)
5103920 Surveying system and method for locating target subterranean bodies		256	1990
W. B. COMBUSTION, INC. (1)
4401099 Single-ended recuperative radiant tube assembly and method		155	1980
NEXANS (1)
2002/0028,070 HEATING SYSTEM FOR CRUDE OIL TRANSPORTING METALLIC TUBES		170	1999
GULF CANADA RESOURCES LIMITED/RESSOURCES GULF CANADA LIMITEE (1)
4501326 In-situ recovery of viscous hydrocarbonaceous crude oil		280	1983
Uentech Corporation (6)
4821798 Heating system for rathole oil well		174	1987
4793409 Method and apparatus for forming an insulated oil well casing		126	1987
5070533 Robust electrical heating systems for mineral wells		114	1990
5099918 Power sources for downhole electrical heating		312	1991
5621844 Electrical heating of mineral well deposits using downhole impedance transformation networks		375	1995
5713415 Low flux leakage cables and cable terminations for A.C. electrical heating of oil deposits		319	1996
Uentech International Corporation (1)
6353706 Optimum oil-well casing heating		233	2000
Western Research Institute (1)
4848460 Contained recovery of oily waste		193	1988
ASHLAND INC. (1)
5648305 Process for improving the effectiveness of process catalyst		76	1996
EOR International, Inc. (2)
4524827 Single well stimulation for the recovery of liquid hydrocarbons from subsurface formations		349	1983
5751895 Selective excitation of heating electrodes for oil wells		288	1996
NOWSCO WELL SERVICE LTD. (1)
6015015 Insulated and/or concentric coiled tubing		402	1997
REG SYNTHETIC FUELS, LLC (2)
6172124 Process for converting gas to liquids		290	1997
6085512 Synthesis gas production system and method		295	1999
AMOCO CORPORATION (13)
4662439 Method of underground conversion of coal		282	1985
4662443 Combination air-blown and oxygen-blown underground coal gasification process		285	1985
4756367 Method for producing natural gas from a coal seam		277	1987
5059303 Oil stabilization		226	1989
5133406 Generating oxygen-depleted air useful for increasing methane production		133	1991
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		295	1994
5454666 Method for disposing of unwanted gaseous fluid components within a solid carbonaceous subterranean formation		295	1994
5566755 Method for recovering methane from a solid carbonaceous subterranean formation		223	1995
ILLINOIS TOOL WORKS INC. (1)
6313431 Plasma cutter for auxiliary power output of a power source		73	2000
Occidental Oil Shale, Inc. (2)
4437519 Reduction of shale oil pour point		213	1981
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		325	1991
EVEREADY BATTERY COMPANY, INC. (1)
2008/0216,321 SHAVING AID DELIVERY SYSTEM FOR USE WITH WET SHAVE RAZORS		27	2008
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		282	1981
Justheim Pertroleum Company (1)
4384614 Method of retorting oil shale by velocity flow of super-heated air		245	1981
WORLD ENERGY SYSTEMS, INC. (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		338	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		340	2000
OIL SANDS UNDERGROUND MINING, INC. (1)
2008/0017,416 METHOD OF DRILLING FROM A SHAFT FOR UNDERGROUND RECOVERY OF HYDROCARBONS		92	2007
ALBERTA INNOVATES - ENERGY AND ENVIRONMENT SOLUTIONS (2)
5456315 Horizontal well gravity drainage combustion process for oil recovery		237	1994
6026914 Wellbore profiling system		187	1998
DOVER TECHNOLOGIES INTERNATIONAL, INC. (1)
5182427 Self-regulating heater utilizing ferrite-type body		324	1990
TYCO INTERNATIONAL (PA), INC., A CORPORATION OF NEVADA (3)
4698583 Method of monitoring a heater for faults		179	1985
4849611 Self-regulating heater employing reactive components		299	1985
4785163 Method for monitoring a heater		172	1987
EXXON PRODUCTION RESEARCH COMPANY (1)
4390067 Method of treating reservoirs containing very viscous crude oil or bitumen		397	1981
Resource Technology Associates (1)
5008085 Apparatus for thermal treatment of a hydrocarbon stream		293	1989
GAS TECHNOLOGY INSTITUTE (1)
5759022 Method and system for reducing NO.sub.x and fuel emissions in a furnace		142	1995
Institut Francais du Petrole (3)
5217075 Method and device for carrying out interventions in wells where high temperatures prevail		96	1991
5363094 Stationary system for the active and/or passive monitoring of an underground deposit		230	1992
6605566 Supported bimetallic catalyst with a strong interaction between a group VIII metal and tin, and its use in a catalytic reforming process		75	2001
Sulcon, Inc. (1)
4518548 Method of overlaying sulphur concrete on horizontal and vertical surfaces		200	1983
HALLIBURTON ENERGY SERVICES, INC. (5)
5899958 Logging while drilling borehole imaging and dipmeter device		265	1995
5926437 Method and apparatus for seismic exploration		169	1997
6951250 Sealant compositions and methods of using the same to isolate a subterranean zone from a disposal well		86	2003
7147057 Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore		150	2003
7337841 Casing comprising stress-absorbing materials and associated methods of use		60	2004
E.R. JOHNSON ASSOCIATES, INC. A CORP. OF DISTRICT OF COLUMBIA (1)
4428700 Method for disposing of waste materials		228	1981
HALLIBURTON COMPANY (2)
4445574 Continuous borehole formed horizontally through a hydrocarbon producing formation		204	1982
4808925 Three magnet casing collar locator		214	1987
KELLOGG BROWN & ROOT, INC. (1)
6357526 Field upgrading of heavy oil and bitumen		253	2000
THE TEXAS A&M UNIVERSITY SYSTEM (1)
5305239 Ultrasonic non-destructive evaluation of thin specimens		206	1989
SOUTHERN CALIFORNIA GAS COMPANY (1)
5769569 In-situ thermal desorption of heavy hydrocarbons in vadose zone		175	1996
FINE PARTICLE TECHNOLOGY CORPORATION (1)
4926941 Method of producing tar sand deposits containing conductive layers		269	1989
KURTIS, SOMA (1)
5097903 Method for recovering intractable petroleum from subterranean formations		232	1991
RKK, LTD (1)
5050386 Method and apparatus for containment of hazardous material migration in the earth		324	1990
ExxonMobil Upstream Research Company (6)
5339897 Recovery and upgrading of hydrocarbon utilizing in situ combustion and horizontal wells		352	1992
6918444 Method for production of hydrocarbons from organic-rich rock		139	2001
6755251 Downhole gas separation method and system		125	2002
7128150 Acid gas disposal method		123	2002
7331385 Methods of treating a subterranean formation to convert organic matter into producible hydrocarbons		127	2004
2007/0246,994 In situ co-development of oil shale with mineral recovery		128	2007
COMPUTALOG LTD. (1)
6192748 Dynamic orienting reference system for directional drilling		238	1998
EFFECTIVE EXPLORATION LLC (1)
2004/0035,582 System and method for subterranean access		197	2002
NENNIGER, JOHN (1)
5517593 Control system for well stimulation apparatus with response time temperature rise used in determining heater control temperature setpoint		305	1995
Indugas, Inc. (3)
4913065 In situ thermal waste disposal system		230	1989
5020596 Enhanced oil recovery system with a radiant tube heater		288	1990
5082055 Gas fired radiant tube heater		308	1991
NOVELIS INC. (6)
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same		0	2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same		0	2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same		0	2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same		0	2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same		0	2001
2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same		0	2001
GENERAL ELECTRIC COMPANY (1)
7124584 System and method for heat recovery from geothermal source of heat		75	2005
FRAMO ENGINEERING AS (1)
5285846 Thermal mineral extraction system		292	1992
OCCIDENTAL SHALE INC. (1)
4623444 Upgrading shale oil by a combination process		217	1985
PRATS, MICHAEL (2)
5984010 Hydrocarbon recovery systems and methods		289	1997
6173775 Systems and methods for hydrocarbon recovery		285	1999
The BOC Group, Inc. (1)
5332036 Method of recovery of natural gases from underground coal formations		200	1992
DRESSER INDUSTRIES, INC. (1)
4852648 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		90	1987
DCNS SA (1)
5861137 Steam reformer with internal hydrogen purification		503	1996
CRI International, Inc. (1)
5688736 Method of presulfurizing a hydrotreating, hydrocracking or tail gas treating catalyst		134	1995
GULF OIL CORPORATION, PITTSBURGH (1)
4637464 In situ retorting of oil shale with pulsed water purge		312	1984
ITT RESEARCH INSTITUTE, A NOT-FOR-PROFIT CORP. OF IL (1)
4485868 Method for recovery of viscous hydrocarbons by electromagnetic heating in situ		149	1982
ENGELHARD CORPORATION (1)
4927857 Method of methanol production		319	1989
Kai Technologies, Inc. (1)
5152341 Electromagnetic method and apparatus for the decontamination of hazardous material-containing volumes		155	1991
AIR PRODUCTS AND CHEMICALS, INC. (1)
4734115 Low pressure process for C.sub.3.sup.+ liquids recovery from process product gas		211	1986
SHELL OIL COMPANY (349)
4359687 Method and apparatus for determining shaliness and oil saturations in earth formations using induced polarization in the frequency domain		294	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		286	1983
4499209 Process for the preparation of a Fischer-Tropsch catalyst and preparation of hydrocarbons from syngas		238	1983
4540882 Method of determining drilling fluid invasion		296	1983
4542648 Method of correlating a core sample with its original position in a borehole		298	1983
4571491 Method of imaging the atomic number of a sample		313	1983
4583242 Apparatus for positioning a sample in a computerized axial tomographic scanner		288	1983
4613754 Tomographic calibration apparatus		304	1983
4635197 High resolution tomographic imaging method		281	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		358	1984
4663711 Method of analyzing fluid saturation using computerized axial tomography		280	1984
4572299 Heater cable installation		323	1984
4585066 Well treating process for installing a cable bundle containing strands of changing diameter		297	1984
4704514 Heating rate variant elongated electrical resistance heater		350	1985
4671102 Method and apparatus for determining distribution of fluids		306	1985
4626665 Metal oversheathed electrical resistance heater		335	1985
4719423 NMR imaging of materials for transport properties		309	1985
4728892 NMR imaging of materials		340	1985
4640352 In-situ steam drive oil recovery process		337	1985
4730162 Time-domain induced polarization logging method and apparatus with gated amplification level		279	1985
4658215 Method for induced polarization logging		285	1986
4616705 Mini-well temperature profiling process		305	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		281	1986
4827761 Sample holder		301	1987
4856341 Apparatus for analysis of failure of material		288	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		410	1988
4866983 Analytical methods and apparatus for measuring the oil content of sponge core		283	1988
4893504 Method for determining capillary pressure and relative permeability by imaging		210	1988
4884455 Method for analysis of failure of material employing imaging		285	1989
4987368 Nuclear magnetism logging tool using high-temperature superconducting squid detectors		308	1989
5042579 Method and apparatus for producing tar sand deposits containing conductive layers		120	1990
5046559 Method and apparatus for producing hydrocarbon bearing deposits in formations having shale layers		345	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		340	1990
5065818 Subterranean heaters		333	1991
5103909 Profile control in enhanced oil recovery		126	1991
5189283 Current to power crossover heater control		303	1991
5168927 Method utilizing spot tracer injection and production induced transport for measurement of residual oil saturation		287	1991
5226961 High temperature wellbore cement slurry		318	1992
5255742 Heat injection process		365	1992
5297626 Oil recovery process		342	1992
5236039 Balanced-line RF electrode system for use in RF ground heating to recover oil from oil shale		389	1992
5366012 Method of completing an uncased section of a borehole		562	1993
5391291 Hydrogenation catalyst and process		297	1993
5468372 Process of hydrotreating and/or hydrocracking hydrocarbon streams or tail gas treating sulfur-containing gas streams		130	1993
5392854 Oil recovery process		336	1993
5404952 Heat injection process and apparatus		319	1993
5411089 Heat injection process		315	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		338	1994
5541517 Method for drilling a borehole from one cased borehole to another cased borehole		305	1995
5862858 Flameless combustor		342	1996
5899269 Flameless combustor		342	1996
5744025 Process for hydrotreating metal-contaminated hydrocarbonaceous feedstock		123	1997
6056057 Heater well method and apparatus		360	1997
6079499 Heater well method and apparatus		352	1997
6094048 NMR logging of natural gas reservoirs		287	1997
6023554 Electrical heater		350	1998
6102122 Control of heat injection based on temperature and in-situ stress measurement		314	1998
6019172 Flameless combustor		328	1999
6218333 Preparation of a hydrotreating catalyst		130	1999
6540018 Method and apparatus for heating a wellbore		182	1999
6290841 Hydrotreating process using sulfur activated non-calcined catalyst		128	2000
6679332 Petroleum well having downhole sensors, communication and power		220	2001
6715550 Controllable gas-lift well and valve		167	2001
2002/0036,085 Toroidal choke inductor for wireless communication and control		82	2001
6981553 Controlled downhole chemical injection		159	2001
7147059 Use of downhole high pressure gas in a gas-lift well and associated methods		162	2001
7170424 Oil well casting electrical power pick-off points		157	2001
7259688 Wireless reservoir production control		113	2001
6581684 In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids		291	2001
6588503 In Situ thermal processing of a coal formation to control product composition		242	2001
6588504 In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids		248	2001
6591906 In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content		273	2001
6591907 In situ thermal processing of a coal formation with a selected vitrinite reflectance		240	2001
6607033 In Situ thermal processing of a coal formation to produce a condensate		236	2001
6609570 In situ thermal processing of a coal formation and ammonia production		236	2001
6688387 In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate		275	2001
6698515 In situ thermal processing of a coal formation using a relatively slow heating rate		238	2001
6702016 In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer		253	2001
6708758 In situ thermal processing of a coal formation leaving one or more selected unprocessed areas		240	2001
6712135 In situ thermal processing of a coal formation in reducing environment		235	2001
6712136 In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing		302	2001
6712137 In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material		234	2001
6715546 In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore		266	2001
6715547 In situ thermal processing of a hydrocarbon containing formation to form a substantially uniform, high permeability formation		239	2001
6715548 In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids		239	2001
6715549 In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio		195	2001
6719047 In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment		248	2001
6722429 In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas		264	2001
6722430 In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio		235	2001
6722431 In situ thermal processing of hydrocarbons within a relatively permeable formation		265	2001
6725920 In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products		241	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		235	2001
6729395 In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells		250	2001
6729396 In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range		233	2001
6729397 In situ thermal processing of a hydrocarbon containing formation with a selected vitrinite reflectance		239	2001
6729401 In situ thermal processing of a hydrocarbon containing formation and ammonia production		239	2001
6732794 In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content		240	2001
6732795 In situ thermal processing of a hydrocarbon containing formation to pyrolyze a selected percentage of hydrocarbon material		199	2001
6732796 In situ production of synthesis gas from a hydrocarbon containing formation, the synthesis gas having a selected H2 to CO ratio		263	2001
6736215 In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration		245	2001
6739393 In situ thermal processing of a coal formation and tuning production		234	2001
6739394 Production of synthesis gas from a hydrocarbon containing formation		242	2001
6742587 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation		234	2001
6742588 In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content		273	2001
6742589 In situ thermal processing of a coal formation using repeating triangular patterns of heat sources		233	2001
6742593 In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation		241	2001
6745831 In situ thermal processing of a hydrocarbon containing formation by controlling a pressure of the formation		266	2001
6745832 Situ thermal processing of a hydrocarbon containing formation to control product composition		229	2001
6745837 In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate		249	2001
6749021 In situ thermal processing of a coal formation using a controlled heating rate		237	2001
6752210 In situ thermal processing of a coal formation using heat sources positioned within open wellbores		263	2001
6758268 In situ thermal processing of a hydrocarbon containing formation using a relatively slow heating rate		239	2001
6761216 In situ thermal processing of a coal formation to produce hydrocarbon fluids and synthesis gas		235	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		250	2001
6769485 In situ production of synthesis gas from a coal formation through a heat source wellbore		238	2001
6789625 In situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources		239	2001
6805195 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas		227	2001
6820688 In situ thermal processing of coal formation with a selected hydrogen content and/or selected H/C ratio		217	2001
6866097 In situ thermal processing of a coal formation to increase a permeability/porosity of the formation		200	2001
6871707 In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration		194	2001
6877554 In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control		192	2001
6880635 In situ production of synthesis gas from a coal formation, the synthesis gas having a selected H2 to CO ratio		202	2001
6889769 In situ thermal processing of a hydrocarbon containing formation with a selected moisture content		187	2001
6896053 In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources		218	2001
6902003 In situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content		178	2001
6902004 In situ thermal processing of a hydrocarbon containing formation using a movable heating element		192	2001
6910536 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor		180	2001
6913078 In Situ thermal processing of hydrocarbons within a relatively impermeable formation		204	2001
6948563 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content		182	2001
6953087 Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation		215	2001
6959761 In situ thermal processing of a coal formation with a selected ratio of heat sources to production wells		178	2001
6966372 In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids		183	2001
6973967 Situ thermal processing of a coal formation using pressure and/or temperature control		177	2001
6994160 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range		210	2001
6994168 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio		175	2001
6997255 In situ thermal processing of a hydrocarbon containing formation in a reducing environment		175	2001
7036583 In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation		203	2001
7086468 In situ thermal processing of a hydrocarbon containing formation using heat sources positioned within open wellbores		197	2001
7096941 In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer		172	2001
7096953 In situ thermal processing of a coal formation using a movable heating element		226	2001
2002/0027,001 In situ thermal processing of a coal formation to produce a selected gas mixture		224	2001
2002/0033,253 In situ thermal processing of a hydrocarbon containing formation using insulated conductor heat sources		236	2001
2002/0036,089 In situ thermal processing of a hydrocarbon containing formation using distributed combustor heat sources		231	2001
2002/0038,069 In situ thermal processing of a coal formation to produce a mixture of olefins, oxygenated hydrocarbons, and aromatic hydrocarbons		222	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		237	2001
2002/0040,780 In situ thermal processing of a hydrocarbon containing formation to produce a selected mixture		234	2001
2002/0053,431 In situ thermal processing of a hydrocarbon containing formation to produce a selected ratio of components in a gas		233	2001
2002/0076,212 In situ thermal processing of a hydrocarbon containing formation producing a mixture with oxygenated hydrocarbons		234	2001
2003/0085,034 In situ thermal processing of a coal formation to produce pyrolsis products		224	2001
6759364 Arsenic removal catalyst and method for making same		90	2001
6821501 Integrated flameless distributed combustion/steam reforming membrane reactor for hydrogen production and use thereof in zero emissions hybrid power system		151	2002
6782947 In situ thermal processing of a relatively impermeable formation to increase permeability of the formation		299	2002
6877555 In situ thermal processing of an oil shale formation while inhibiting coking		230	2002
6880633 In situ thermal processing of an oil shale formation to produce a desired product		248	2002
6915850 In situ thermal processing of an oil shale formation having permeable and impermeable sections		200	2002
6918442 In situ thermal processing of an oil shale formation in a reducing environment		199	2002
6918443 In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range		210	2002
6923257 In situ thermal processing of an oil shale formation to produce a condensate		221	2002
6929067 Heat sources with conductive material for in situ thermal processing of an oil shale formation		226	2002
6948562 Production of a blending agent using an in situ thermal process in a relatively permeable formation		223	2002
6951247 In situ thermal processing of an oil shale formation using horizontal heat sources		238	2002
6964300 In situ thermal recovery from a relatively permeable formation with backproduction through a heater wellbore		229	2002
6966374 In situ thermal recovery from a relatively permeable formation using gas to increase mobility		188	2002
6981548 In situ thermal recovery from a relatively permeable formation		190	2002
6991032 In situ thermal processing of an oil shale formation using a pattern of heat sources		214	2002
6994169 In situ thermal processing of an oil shale formation with a selected property		202	2002
6997518 In situ thermal processing and solution mining of an oil shale formation		221	2002
7004247 Conductor-in-conduit heat sources for in situ thermal processing of an oil shale formation		233	2002
7004251 In situ thermal processing and remediation of an oil shale formation		235	2002
7032660 In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation		217	2002
7040397 Thermal processing of an oil shale formation to increase permeability of the formation		207	2002
7040398 In situ thermal processing of a relatively permeable formation in a reducing environment		178	2002
7040399 In situ thermal processing of an oil shale formation using a controlled heating rate		205	2002
7040400 In situ thermal processing of a relatively impermeable formation using an open wellbore		252	2002
7051807 In situ thermal recovery from a relatively permeable formation with quality control		149	2002
7055600 In situ thermal recovery from a relatively permeable formation with controlled production rate		218	2002
7096942 In situ thermal processing of a relatively permeable formation while controlling pressure		267	2002
2003/0079,877 In situ thermal processing of a relatively impermeable formation in a reducing environment		257	2002
2003/0146,002 Removable heat sources for in situ thermal processing of an oil shale formation		252	2002
6932155 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well		249	2002
6969123 Upgrading and mining of coal		270	2002
6991045 Forming openings in a hydrocarbon containing formation using magnetic tracking		193	2002
7011154 In situ recovery from a kerogen and liquid hydrocarbon containing formation		272	2002
7051808 Seismic monitoring of in situ conversion in a hydrocarbon containing formation		132	2002
7063145 Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations		218	2002
7066254 In situ thermal processing of a tar sands formation		257	2002
7066257 In situ recovery from lean and rich zones in a hydrocarbon containing formation		187	2002
7077198 In situ recovery from a hydrocarbon containing formation using barriers		246	2002
7077199 In situ thermal processing of an oil reservoir formation		266	2002
7086465 In situ production of a blending agent from a hydrocarbon containing formation		192	2002
7090013 In situ thermal processing of a hydrocarbon containing formation to produce heated fluids		234	2002
7100994 Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation		222	2002
7104319 In situ thermal processing of a heavy oil diatomite formation		255	2002
7114566 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor		231	2002
7128153 Treatment of a hydrocarbon containing formation after heating		193	2002
7156176 Installation and use of removable heaters in a hydrocarbon containing formation		186	2002
7165615 In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden		216	2002
2003/0196,789 In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment		276	2002
2003/0201,098 In situ recovery from a hydrocarbon containing formation using one or more simulations		266	2002
7055602 Method and composition for enhanced hydrocarbons recovery		114	2003
6923258 In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content		206	2003
6958704 Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters		213	2003
7073578 Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation		246	2003
7121341 Conductor-in-conduit temperature limited heaters		191	2003
7219734 Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation		206	2003
2004/0140,096 Insulated conductor temperature limited heaters		196	2003
2004/0144,540 High voltage temperature limited heaters		174	2003
2004/0144,541 Forming wellbores using acoustic methods		127	2003
2004/0146,288 Temperature limited heaters for heating subsurface formations or wellbores		204	2003
2005/0006,097 Variable frequency temperature limited heaters		197	2003
7121342 Thermal processes for subsurface formations		292	2004
2005/0133,405 Systems and methods of producing a crude product		82	2004
2005/0133,414 Systems, methods, and catalysts for producing a crude product		94	2004
7320364 Inhibiting reflux in a heated well of an in situ conversion system		135	2005
7357180 Inhibiting effects of sloughing in wellbores		162	2005
7370704 Triaxial temperature limited heater		146	2005
7383877 Temperature limited heaters with thermally conductive fluid used to heat subsurface formations		138	2005
7424915 Vacuum pumping of conductor-in-conduit heaters		143	2005
7431076 Temperature limited heaters using modulated DC power		145	2005
7481274 Temperature limited heaters with relatively constant current		132	2005
7490665 Variable frequency temperature limited heaters		139	2005
7510000 Reducing viscosity of oil for production from a hydrocarbon containing formation		145	2005
2005/0269,093 Variable frequency temperature limited heaters		116	2005
2005/0269,313 Temperature limited heaters with high power factors		178	2005
2006/0005,968 Temperature limited heaters with relatively constant current		107	2005
2006/0289,536 Subsurface electrical heaters using nitride insulation		175	2005
2006/0178,546 Method and apparatus for making a middle distillate product and lower olefins from a hydrocarbon feedstock		82	2006
2006/0191,820 Hydrocarbon cracking process for converting gas oil preferentially to middle distillate and lower olefins		79	2006
7225866 In situ thermal processing of an oil shale formation using a pattern of heat sources		207	2006
2006/0231,465 Systems, methods, and catalysts for producing a crude product		104	2006
7426959 Systems and methods for producing oil and/or gas		60	2006
7435037 Low temperature barriers with heat interceptor wells for in situ processes		155	2006
7500528 Low temperature barrier wellbores formed using water flushing		144	2006
7527094 Double barrier system for an in situ conversion process		161	2006
7575052 In situ conversion process utilizing a closed loop heating system		134	2006
7575053 Low temperature monitoring system for subsurface barriers		132	2006
2007/0045,266 In situ conversion process utilizing a closed loop heating system		146	2006
2007/0045,267 Subsurface connection methods for subsurface heaters		186	2006
2007/0045,268 Varying properties along lengths of temperature limited heaters		173	2006
2007/0108,200 Low temperature barrier wellbores formed using water flushing		149	2006
2007/0108,201 Insulated conductor temperature limited heater for subsurface heating coupled in a three-phase wye configuration		152	2006
2007/0119,098 Treatment of gas from an in situ conversion process		159	2006
2007/0133,959 Grouped exposed metal heaters		129	2006
2007/0133,960 In situ conversion process systems utilizing wellbores in at least two regions of a formation		152	2006
2007/0137,856 Double barrier system for an in situ conversion process		112	2006
2007/0137,857 Low temperature monitoring system for subsurface barriers		112	2006
2007/0144,732 Low temperature barriers for use with in situ processes		146	2006
2008/0217,321 Temperature limited heater utilizing non-ferromagnetic conductor		160	2006
2006/0289,340 METHODS FOR PRODUCING A TOTAL PRODUCT IN THE PRESENCE OF SULFUR		108	2006
2007/0000,810 METHOD FOR PRODUCING A CRUDE PRODUCT WITH REDUCED TAN		122	2006
7360588 Thermal processes for subsurface formations		137	2006
7549470 Solution mining and heating by oxidation for treating hydrocarbon containing formations		199	2006
7556095 Solution mining dawsonite from hydrocarbon containing formations with a chelating agent		186	2006
7556096 Varying heating in dawsonite zones in hydrocarbon containing formations		175	2006
7559367 Temperature limited heater with a conduit substantially electrically isolated from the formation		167	2006
7559368 Solution mining systems and methods for treating hydrocarbon containing formations		168	2006
7562706 Systems and methods for producing hydrocarbons from tar sands formations		166	2006
7581589 Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid		158	2006
7584789 Methods of cracking a crude product to produce additional crude products		165	2006
7591310 Methods of hydrotreating a liquid stream to remove clogging compounds		157	2006
7635025 Cogeneration systems and processes for treating hydrocarbon containing formations		143	2006
2007/0095,536 Cogeneration systems and processes for treating hydrocarbon containing formations		143	2006
2007/0095,537 Solution mining dawsonite from hydrocarbon containing formations with a chelating agent		153	2006
2007/0125,533 Methods of hydrotreating a liquid stream to remove clogging compounds		97	2006
2007/0127,897 Subsurface heaters with low sulfidation rates		186	2006
2007/0131,415 Solution mining and heating by oxidation for treating hydrocarbon containing formations		146	2006
2007/0131,419 Methods of producing alkylated hydrocarbons from an in situ heat treatment process liquid		93	2006
2007/0131,420 Methods of cracking a crude product to produce additional crude products		92	2006
2007/0131,428 Methods of filtering a liquid stream produced from an in situ heat treatment process		176	2006
2007/0221,377 Solution mining systems and methods for treating hydrocarbon containing formations		106	2006
2008/0017,370 Temperature limited heater with a conduit substantially electrically isolated from the formation		71	2006
2008/0107,577 Varying heating in dawsonite zones in hydrocarbon containing formations		61	2006
7461691 In situ recovery from a hydrocarbon containing formation		195	2007
7533719 Wellhead with non-ferromagnetic materials		169	2007
7604052 Compositions produced using an in situ heat treatment process		163	2007
7610962 Sour gas injection for use with in situ heat treatment		135	2007
7631689 Sulfur barrier for use with in situ processes for treating formations		148	2007
7635023 Time sequenced heating of multiple layers in a hydrocarbon containing formation		196	2007
7673786 Welding shield for coupling heaters		111	2007
7683296 Adjusting alloy compositions for selected properties in temperature limited heaters		110	2007
2007/0284,108 Compositions produced using an in situ heat treatment process		88	2007
2007/0289,733 Wellhead with non-ferromagnetic materials		77	2007
2008/0017,380 Non-ferromagnetic overburden casing		124	2007
2008/0035,346 Methods of producing transportation fuel		122	2007
2008/0035,347 Adjusting alloy compositions for selected properties in temperature limited heaters		113	2007
2008/0035,705 Welding shield for coupling heaters		114	2007
2008/0038,144 High strength alloys		119	2007
2008/0173,442 Sulfur barrier for use with in situ processes for treating formations		137	2007
2008/0173,444 Alternate energy source usage for in situ heat treatment processes		151	2007
2008/0173,449 Sour gas injection for use with in situ heat treatment		86	2007
2008/0174,115 Power systems utilizing the heat of produced formation fluid		170	2007
2009/0101,346 In situ recovery from a hydrocarbon containing formation		132	2007
7735935 In situ thermal processing of an oil shale formation containing carbonate minerals		119	2007
7540324 Heating hydrocarbon containing formations in a checkerboard pattern staged process		175	2007
7562707 Heating hydrocarbon containing formations in a line drive staged process		176	2007
7631690 Heating hydrocarbon containing formations in a spiral startup staged sequence		156	2007
7635024 Heating tar sands formations to visbreaking temperatures		146	2007
7644765 Heating tar sands formations while controlling pressure		112	2007
7673681 Treating tar sands formations with karsted zones		107	2007
7677310 Creating and maintaining a gas cap in tar sands formations		105	2007
7677314 Method of condensing vaporized water in situ to treat tar sands formations		100	2007
7681647 Method of producing drive fluid in situ in tar sands formations		125	2007
7703513 Wax barrier for use with in situ processes for treating formations		118	2007
7717171 Moving hydrocarbons through portions of tar sands formations with a fluid		110	2007
7730945 Using geothermal energy to heat a portion of a formation for an in situ heat treatment process		106	2007
7730946 Treating tar sands formations with dolomite		103	2007
7730947 Creating fluid injectivity in tar sands formations		108	2007
2008/0128,134 Producing drive fluid in situ in tar sands formations		163	2007
2008/0135,244 Heating hydrocarbon containing formations in a line drive staged process		128	2007
2008/0135,253 Treating tar sands formations with karsted zones		169	2007
2008/0135,254 In situ heat treatment process utilizing a closed loop heating system		139	2007
2008/0142,216 Treating tar sands formations with dolomite		149	2007
2008/0142,217 Using geothermal energy to heat a portion of a formation for an in situ heat treatment process		142	2007
2008/0185,147 Wax barrier for use with in situ processes for treating formations		135	2007
2008/0217,003 Gas injection to inhibit migration during an in situ heat treatment process		146	2007
2008/0217,004 Heating hydrocarbon containing formations in a checkerboard pattern staged process		98	2007
2008/0217,015 Heating hydrocarbon containing formations in a spiral startup staged sequence		102	2007
2008/0217,016 Creating fluid injectivity in tar sands formations		157	2007
2008/0236,831 Condensing vaporized water in situ to treat tar sands formations		148	2007
2008/0277,113 Heating tar sands formations while controlling pressure		146	2007
2008/0283,246 Heating tar sands formations to visbreaking temperatures		91	2007
2009/0014,180 Moving hydrocarbons through portions of tar sands formations with a fluid		155	2007
2009/0014,181 Creating and maintaining a gas cap in tar sands formations		161	2007
7640980 Thermal processes for subsurface formations		110	2008
2009/0084,547 DOWNHOLE BURNER SYSTEMS AND METHODS FOR HEATING SUBSURFACE FORMATIONS		105	2008
2009/0090,158 WELLBORE MANUFACTURING PROCESSES FOR IN SITU HEAT TREATMENT PROCESSES		130	2008
2009/0095,476 MOLTEN SALT AS A HEAT TRANSFER FLUID FOR HEATING A SUBSURFACE FORMATION		103	2008
2009/0095,477 HEATING SYSTEMS FOR HEATING SUBSURFACE FORMATIONS		108	2008
2009/0095,478 VARYING PROPERTIES OF IN SITU HEAT TREATMENT OF A TAR SANDS FORMATION BASED ON ASSESSED VISCOSITIES		133	2008
2009/0095,479 PRODUCTION FROM MULTIPLE ZONES OF A TAR SANDS FORMATION		136	2008
2009/0126,929 TREATING NAHCOLITE CONTAINING FORMATIONS AND SALINE ZONES		131	2008
2009/0189,617 CONTINUOUS SUBSURFACE HEATER TEMPERATURE MEASUREMENT		143	2008
2009/0194,269 THREE-PHASE HEATERS WITH COMMON OVERBURDEN SECTIONS FOR HEATING SUBSURFACE FORMATIONS		124	2008
2009/0194,333 RANGING METHODS FOR DEVELOPING WELLBORES IN SUBSURFACE FORMATIONS		129	2008
2009/0200,023 HEATING SUBSURFACE FORMATIONS BY OXIDIZING FUEL ON A FUEL CARRIER		139	2008
2009/0200,854 SOLUTION MINING AND IN SITU TREATMENT OF NAHCOLITE BEDS		127	2008
2010/0089,584 DOUBLE INSULATED HEATERS FOR TREATING SUBSURFACE FORMATIONS		83	2009
2010/0089,586 MOVABLE HEATERS FOR TREATING SUBSURFACE HYDROCARBON CONTAINING FORMATIONS		74	2009
Chevron Research Company (8)
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		292	1981
4551226 Heat exchanger antifoulant		84	1982
4460044 Advancing heated annulus steam drive		212	1982
4828031 In situ chemical stimulation of diatomite formations		233	1987
RAMEX SYN-FUELS INTERNATIONAL, INC. (1)
4928765 Method and apparatus for shale gas recovery		306	1988
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV (1)
4605680 Conversion of synthesis gas to diesel fuel and gasoline		289	1985
LOS ALAMOS NATIONAL SECURITY, LLC (2)
6910537 Canister, sealing method and composition for sealing a borehole		97	2003
2008/0006,410 Kerogen Extraction From Subterranean Oil Shale Resources		104	2007
CHEVRON U.S.A. INC. (1)
6269881 Oil recovery method for waxy crude oil using alkylaryl sulfonate surfactants derived from alpha-olefins and the alpha-olefin compositions		127	1999

* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info	(Count)	# Cites	Year
Other [Check patent profile for assignment information] (2)
* 2009/0194,287 INDUCTION HEATERS USED TO HEAT SUBSURFACE FORMATIONS		123	2008
8579014 Cooling arrangement for conveyors and other applications		1	2009
SIEMENS AKTIENGESELLSCHAFT (2)
* 9651183 Controlling heating and communication in a pipeline system		0	2015
* 2016/0018,040 Controlling Heating and Communication in a Pipeline System		0	2015
SCHLUMBERGER TECHNOLOGY CORPORATION (2)
* 8439106 Logging system and methodology		1	2010
* 2011/0042,075 LOGGING SYSTEM AND METHODOLOGY		1	2010
SHELL OIL COMPANY (89)
8224165 Temperature limited heater utilizing non-ferromagnetic conductor		51	2006
8381806 Joint used for coupling long heaters		23	2007
8083813 Methods of producing transportation fuel		56	2007
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		24	2008
8459359 Treating nahcolite containing formations and saline zones		36	2008
8381815 Production from multiple zones of a tar sands formation		51	2008
8327681 Wellbore manufacturing processes for in situ heat treatment processes		25	2008
8536497 Methods for forming long subsurface heaters		22	2008
8276661 Heating subsurface formations by oxidizing fuel on a fuel carrier		47	2008
8272455 Methods for forming wellbores in heated formations		21	2008
8240774 Solution mining and in situ treatment of nahcolite beds		45	2008
8196658 Irregular spacing of heat sources for treating hydrocarbon containing formations		60	2008
8162059 Induction heaters used to heat subsurface formations		65	2008
8146661 Cryogenic treatment of gas		60	2008
8146669 Multi-step heater deployment in a subsurface formation		55	2008
8113272 Three-phase heaters with common overburden sections for heating subsurface formations		38	2008
8627887 In situ recovery from a hydrocarbon containing formation		25	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		60	2009
8172335 Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations		51	2009
8162405 Using tunnels for treating subsurface hydrocarbon containing formations		51	2009
8151907 Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations		58	2009
8450540 Compositions produced using an in situ heat treatment process		35	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		10	2009
8353347 Deployment of insulated conductors for treating subsurface formations		25	2009
8281861 Circulated heated transfer fluid heating of subsurface hydrocarbon formations		48	2009
8267170 Offset barrier wells in subsurface formations		43	2009
8267185 Circulated heated transfer fluid systems used to treat a subsurface formation		47	2009
8261832 Heating subsurface formations with fluids		55	2009
8256512 Movable heaters for treating subsurface hydrocarbon containing formations		34	2009
8220539 Controlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation		68	2009
* 2010/0101,794 HEATING SUBSURFACE FORMATIONS WITH FLUIDS		70	2009
8636323 Mines and tunnels for use in treating subsurface hydrocarbon containing formations		22	2009
8562078 Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations		20	2009
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		34	2010
8327932 Recovering energy from a subsurface formation		43	2010
8608249 In situ thermal processing of an oil shale formation		9	2010
8192682 High strength alloys		45	2010
8225866 In situ recovery from a hydrocarbon containing formation		47	2010
8233782 Grouped exposed metal heaters		37	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		29	2010
8257112 Press-fit coupling joint for joining insulated conductors		30	2010
8151880 Methods of making transportation fuel		55	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		1	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		19	2011
8502120 Insulating blocks and methods for installation in insulated conductor heaters		19	2011
8485256 Variable thickness insulated conductors		17	2011
8230927 Methods and systems for producing fluid from an in situ conversion process		37	2011
8579031 Thermal processes for subsurface formations		0	2011
8943686 Compaction of electrical insulation for joining insulated conductors		9	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		1	2012
9016370 Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment		0	2012
8555971 Treating tar sands formations with dolomite		19	2012
8485252 In situ recovery from a hydrocarbon containing formation		37	2012
8485847 Press-fit coupling joint for joining insulated conductors		23	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		6	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
9755415 End termination for three-phase insulated conductors		0	2016
HARRIS CORPORATION (1)
9194221 Apparatus for heating hydrocarbons with RF antenna assembly having segmented dipole elements and related methods		2	2013
ECON Maschinenbau und Steuerungstechnik GmbH (2)
8037618 Device for draining and drying solids, in particular plastics granulated under water		2	2007
* 2008/0072,447 Device for draining and drying solids, in particular plastics granulated under water		4	2007
COMPANY, SHELL OIL (1)
8191630 Creating fluid injectivity in tar sands formations		59	2010

* Cited By Examiner

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Fee	Large entity fee	small entity fee	micro entity fee
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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 26, 2011	US,7931086,B2   US7931086B2	GRANTED PATENT AS SECOND PUBLICATION
April 16, 2009	US,20090095477,A1   US20090095477A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7931086

Heating systems for heating subsurface formations

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