ClassID:

135640

E21B43/2408 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells; Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection; Steam assisted gravity drainage [SAGD] SAGD in combination with other methods

Recent Application in this class:
#1
20260146523
2026-05-28

METHODS OF FORMING AND MAINTAINING CONDUCTIVE PROPPED FRACTURES IN SAGD AND GEOTHERMAL WELL APPLICATIONS

#2
20250250889
2025-08-07

END-OF-LIFE RECOVERY OF MOBILIZED HYDROCARBONS

#3
20250116179
2025-04-10

MICROBIALLY ENHANCED THERMAL OIL RECOVERY

#4
20240401451
2024-12-05

ESP SHIELDING VIA TOE-DOMINANT SOLVENT INJECTION

#5
20240344437
2024-10-17

IRON OXIDE FOR IN-SITU OIL UPGRADING VIA DEASPHALTING

#6
20240183257
2024-06-06

Continuous chamber capillary control system, method, and apparatus

#7
20230417129
2023-12-28

IN-SITU OIL UPGRADING VIA DEASPHALTING

#8
20230407735
2023-12-21

Inverted shroud for Steam Assisted Gravity Drainage system

#9
20230313651
2023-10-05

TUBULAR FOR DOWNHOLE USE

#10
20230175368
2023-06-08

Microbially enhanced thermal oil recovery

#11
20230051011
2023-02-16

END-OF-LIFE RECOVERY OF MOBILIZED HYDROCARBONS

#12
20220333470
2022-10-20

Apparatus and methods for electromagnetic heating of hydrocarbon formations

#13
20220315828
2022-10-06

Hydrocarbon recovery with steam and solvent stages

#14
20220195855
2022-06-23

Method and apparatus for thermal fluid generation for use in enhanced oil recovery

#15
20220186125
2022-06-16

Methods of hydrocarbon production enhanced by in-situ solvent de-asphalting

#16
20220170355
2022-06-02

Well production optimization using hyperspectral imaging

#17
20220170354
2022-06-02

System and process for producing diluent from dilbit, transportation, and treatment of heavy oil

#18
20220136377
2022-05-05

Inverted shroud for steam assisted gravity drainage system

#19
20220074296
2022-03-10

Well configuration for coinjection

#20
20220042405
2022-02-10

Continuous chamber capillary control system, method, and apparatus

#21
20210396112
2021-12-23

Conformance control in hydrocarbon recovery

#22
20210396111
2021-12-23

Methods for recovering solvent and producing hydrocarbons from subterranean reservoirs

#23
20210396110
2021-12-23

Gas-phase solvent management during production of in-situ hydrocarbons

#24
20210340850
2021-11-04

Method for forming a sleeve for insulating a joint of downhole tubing

#25
20210277757
2021-09-09

Pressure assisted oil recovery

#26
20210230979
2021-07-29

Production nozzle for solvent-assisted recovery

#27
20210131245
2021-05-06

Microbially enhanced thermal oil recovery

#28
20210025266
2021-01-28

Production of hydrocarbon using direct-contact steam generation

#29
20200378228
2020-12-03

Methods of managing solvent inventory in a gravity drainage extraction chamber

#30
20200371266
2020-11-26

Downhole ranging from multiple boreholes

#31
20200370403
2020-11-26

CENTRAL PROCESSING FACILITY, DIRECT CONTACT STEAM GENERATION OPTIMIZATION

#32
20200355053
2020-11-12

Microbially enhanced thermal oil recovery

#33
20200347709
2020-11-05

Apparatus and methods for electromagnetic heating of hydrocarbon formations

#34
20200340339
2020-10-29

Method and apparatus for complex action for extracting heavy crude oil and bitumens using wave technologies

#35
20200299567
2020-09-24

Alkanolamine and glycol ether composition for enhanced extraction of bitumen

#36
20200284131
2020-09-10

Well production optimization using hyperspectral imaging

#37
20200277528
2020-09-03

Breaker systems for wellbore treatment operations for use at varying temperatures

#38
20200182031
2020-06-11

Steam foam methods for steam-assisted gravity drainage

#39
20200141218
2020-05-07

Tubular for downhole use

#40
20200141209
2020-05-07

Process for producing fluids from a hydrocarbon-bearing formation

#41
20200018143
2020-01-16

Microbially enhanced thermal oil recovery

#42
20190390539
2019-12-26

Pressure assisted oil recovery

#43
20190300401
2019-10-03

Decomplexation of chelated hardness at high pH

#44
20190257183
2019-08-22

PROCESSES FOR PRODUCING HYDROCARBONS FROM A RESERVOIR

#45
20190226321
2019-07-25

Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation

#46
20190225889
2019-07-25

METHOD TO EXTRACT BITUMEN FROM OIL SANDS USING AROMATIC AMINES

#47
20190195053
2019-06-27

System, method and apparatus for creating an electrical glow discharge

#48
20190178069
2019-06-13

Method of improving production in steam assisted gravity drainage operations

#49
20190178065
2019-06-13

Method for real time flow control adjustment of a flow control device located downhole of an electric submersible pump

#50
20190169970
2019-06-06

Remote steam generation and water-hydrocarbon separation in steam-assisted gravity drainage operations

#51
20190145235
2019-05-16

Apparatus and methods for electromagnetic heating of hydrocarbon formations

#52
20190106346
2019-04-11

SAGD saline water system optimization

#53
20190100984
2019-04-04

System and method of producing oil

#54
20190071959
2019-03-07

Producing pressurized and heated fluids using a fuel cell

#55
20190063200
2019-02-28

Continuous chamber capillary control system, method, and apparatus

#56
20190063199
2019-02-28

Thermal recovery methods for recovering viscous hydrocarbons from a subterranean formation

#57
20190032460
2019-01-31

METHOD OF SOLVENT RECOVERY FROM A SOLVENT BASED HEAVY OIL EXTRACTION PROCESS

#58
20190024492
2019-01-24

TREATMENT OF PRODUCED WATER WITH SEEDED EVAPORATOR

#59
20190024488
2019-01-24

Accelerated interval communication using openholes

#60
20190017361
2019-01-17

Solvents and NCG-co-injection with tapered pressure

#61
20190002755
2019-01-03

Chasing solvent for enhanced recovery processes

#62
20180363433
2018-12-20

System and method for electrically selectable dry fracture shale energy extraction

#63
20180355706
2018-12-13

PROCESSES FOR EFFECTING HYDROCARBON PRODUCTION FROM RESERVOIRS HAVING A LOW PERMEABILITY ZONE BY COOLING AND HEATING

#64
20180328156
2018-11-15

Cleaning SAGD equipment with supercritical CO2

#65
20180328155
2018-11-15

Electric heat and NGL startup for heavy oil

#66
20180320494
2018-11-08

Method of producing heavy oil using a fuel cell

#67
20180313197
2018-11-01

Depressurizing oil reservoirs for SAGD

#68
20180270920
2018-09-20

In-situ steam quality enhancement using microwave with enabler ceramics for downhole applications

#69
20180266224
2018-09-20

Blowdown method for thermal recovery processes

#70
20180266223
2018-09-20

Microbially enhanced thermal oil recovery

#71
20180266222
2018-09-20

System and method for accelerated solvent recovery

#72
20180258755
2018-09-13

Directional button excitation for ranging applications

#73
20180223179
2018-08-09

COMPOSITION AND METHOD FOR REDUCING THE VISCOSITY OF HEAVY OIL

#74
20180223173
2018-08-09

Mixed dimers from alpha-olefin sulfonic acids

#75
20180216450
2018-08-02

Well configuration for coinjection

#76
20180216449
2018-08-02

Blowdown pressure maintenance with foam

#77
20180209256
2018-07-26

Y-GRADE NGL STEAM ASSISTED GRAVITY DRAINAGE

#78
20180149005
2018-05-31

System and method of producing oil

#79
20180089145
2018-03-29

Cross-well allocation optimization in steam assisted gravity drainage wells

#80
20180087371
2018-03-29

Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation

#81
20180087357
2018-03-29

Controlling operation of a steam-assisted gravity drainage oil well system utilizing continuous and discrete control parameters

#82
20180087354
2018-03-29

Production of hydrocarbon using direct-contact steam generation

#83
20180045028
2018-02-15

PRESSURE SWING PROCESSES FOR PRODUCING HEAVY HYDROCARBONS FROM RESERVOIR

#84
20180038211
2018-02-08

Coinjection of dimethyl ether and steam for bitumen and heavy oil recovery

#85
20180003020
2018-01-04

HEAVY FLUID INJECTION METHOD FOR CELLAR HYDROCARBON RECOVERY

#86
20170328187
2017-11-16

Methods for enhancing heavy oil recovery

#87
20170321528
2017-11-09

Processes for producing hydrocarbons from a reservoir

#88
20170313933
2017-11-02

COMPOSITION AND METHOD FOR REDUCING THE VISCOSITY OF HEAVY OIL

#89
20170254184
2017-09-07

STIMULATION SYSTEMS AND METHODS

#90
20170247991
2017-08-31

Steam injection monitoring, control and optimization using near wellhead sensors

#91
20170241250
2017-08-24

Staged steam extraction of in situ bitumen

#92
20170226836
2017-08-10

Steam foam methods for steam-assisted gravity drainage

#93
20170210972
2017-07-27

Thermally unstable ammonium carboxylates for enhanced oil recovery

#94
20170175506
2017-06-22

Pressure assisted oil recovery

#95
20170138160
2017-05-18

Steam-solvent-gas process with additional horizontal production wells to enhance heavy oil / bitumen recovery

#96
20170130572
2017-05-11

Bottom-up gravity-assisted pressure drive

#97
20170081950
2017-03-23

Thermal conditioning of fishbone well configurations

#98
20170067331
2017-03-09

Recovery from a hydrocarbon reservoir

#99
20170067330
2017-03-09

Recovery from a hydrocarbon reservoir

#100
20170051596
2017-02-23

Pressure swing solvent assisted well stimulation

#101
20170009562
2017-01-12

Later stage hydrocarbon production processes

#102
20160341021
2016-11-24

Non-condensable gas coinjection with fishbone lateral wells

#103
20160290628
2016-10-06

Method for controlling combustion gas output in direct steam generation for oil recovery

#104
20160273326
2016-09-22

Processes for producing hydrocarbons from a reservoir

#105
20160219652
2016-07-28

Inductor for induction heating

#106
20160177692
2016-06-23

Steam assisted gravity drainage processes with the addition of oxygen

#107
20160168977
2016-06-16

Optimized SAGD well placement utilizing temperature and electromagnetic measurements

#108
20160160623
2016-06-09

Apparatus for hydrocarbon resource recovery including a double-wall structure and related methods

#109
20160160622
2016-06-09

Hydrocarbon resource heating system including choke fluid dispenser and related methods

#110
20160153270
2016-06-02

Solvents and non-condensable gas coinjection

#111
20160061015
2016-03-03

AXIALLY SEGMENTED DEPLETION OPERATIONS IN HORIZONTAL WELLS

#112
20160061014
2016-03-03

HYDRAULICALLY UNITARY WELL SYSTEM AND RECOVERY PROCESS (HUWSRP)

#113
20150377001
2015-12-31

Hydrocarbon resource heating apparatus including upper and lower wellbore RF radiators and related methods

#114
20150346381
2015-12-03

Downhole ranging from multiple boreholes

#115
20150322758
2015-11-12

Solvent injection recovery process

#116
20150315887
2015-11-05

Arrangement and method for introducing heat into a geological formation by means of electromagnetic induction

#117
20150292314
2015-10-15

Treatment of produced water with seeded evaporator

#118
20150285051
2015-10-08

Hydrocarbon recovery with multi-function agent

#119
20150279571
2015-10-01

Inductor for heating ultraheavy oil and oil sand deposits

#120
20150275637
2015-10-01

Remote steam generation and water-hydrocarbon separation in steam-assisted gravity drainage operations

#121
20150260027
2015-09-17

Vapor blow through avoidance in oil production

#122
20150259604
2015-09-17

Radio frequency hydrocarbon resource upgrading apparatus including parallel paths and related methods

#123
20150259232
2015-09-17

Treatment of produced water concentrate

#124
20150252658
2015-09-10

Produced water treatment and solids precipitation from thermal treatment blowdown

#125
20150198027
2015-07-16

Anti-retention agent in steam-solvent oil recovery

#126
20150198026
2015-07-16

Steam environmentally generated drainage system and method

#127
20150198025
2015-07-16

System and method of producing oil

#128
20150198022
2015-07-16

Oil recovery with fishbone wells and steam

#129
20150192007
2015-07-09

System and a method of recovering and processing a hydrocarbon mixture from a subterranean formation

#130
20150191993
2015-07-09

Foamed cement compositions containing metal silicides usable in subterranean well operations

#131
20150184501
2015-07-02

Methods for enhancing efficiency of bitumen extraction from oil sands using lipids and lipid by-products as process additives

#132
20150176383
2015-06-25

Recovery from a hydrocarbon reservoir

#133
20150167436
2015-06-18

Method to maintain reservoir pressure during hydrocarbon recovery operations using electrical heating means with or without injection of non-condensable gases

#134
20150159476
2015-06-11

Oil recovery with insulating composition

#135
20150152720
2015-06-04

METHOD OF PRODUCING VISCOUS HYDROCARBONS BY STEAM-ASSISTED GRAVITY DRAINAGE

#136
20150122481
2015-05-07

Systems and methods for de-oiling and total organic carbon reduction in produced water

#137
20150122477
2015-05-07

Method of hydrocarbon resource recovery including actuator operated positioning of an RF sensor and related apparatus

#138
20150114637
2015-04-30

ALTERNATING SAGD INJECTIONS

#139
20150083413
2015-03-26

Reducing solvent retention in ES-SAGD

#140
20150075775
2015-03-19

Method for determining regions for stimulation along two parallel adjacent wellbores in a hydrocarbon formation

#141
20150068750
2015-03-12

Recovery from a hydrocarbon reservoir

#142
20150068706
2015-03-12

Hydrocarbon resource processing apparatus for generating a turbulent flow of cooling liquid and related methods

#143
20150047847
2015-02-19

Apparatus and methods for stimulating reservoirs using fluids containing nano/micro heat transfer elements

#144
20150021008
2015-01-22

Electromagnetic assisted ceramic materials for heavy oil recovery and in-situ steam generation

#145
20150013979
2015-01-15

Hydrocarbon recovery system using RF energy to heat steam within an injector and associated methods

#146
20140367097
2014-12-18

Oil recovery system and method

#147
20140367095
2014-12-18

Chemical treatment for organic fouling in boilers

#148
20140352966
2014-12-04

Method for fast and uniform SAGD start-up enhancement

#149
20140345859
2014-11-27

Hydrocarbon recovery facilitated by in situ combustion

#150
20140332209
2014-11-13

Polyol for improving sweep efficiency in oil reservoirs

#151
20140311739
2014-10-23

Acceleration of heavy oil recovery through downhole radio frequency radiation heating

#152
20140262243
2014-09-18

Systems and Methods for Accelerating Production of Viscous Hydrocarbons in a Subterranean Reservoir with Thermally Activated Chemical Agents

#153
20140262242
2014-09-18

Systems and Methods for the Production of a Subterranean Reservoir Containing Viscous Hydrocarbons

#154
20140262241
2014-09-18

Systems and Methods for the Production of a Subterranean Reservoir Containing Viscous Hydrocarbons

#155
20140262225
2014-09-18

Oil extraction using radio frequency heating

#156
20140262220
2014-09-18

Cellar oil recovery techniques for in situ operations

#157
20140231081
2014-08-21

Hybrid steam generation with carbon dioxide recycle

#158
20140216739
2014-08-07

Heat scavenging method for thermal recovery process

#159
20140202686
2014-07-24

Effective solvent extraction system incorporating electromagnetic heating

#160
20140196896
2014-07-17

Enhanced crude oil recovery using metal silicides

#161
20140190689
2014-07-10

USE OF FOAM WITH IN SITU COMBUSTION PROCESS

#162
20140166280
2014-06-19

Hydrocarbon recovery employing an injection well and a production well having multiple tubing strings with active feedback control

#163
20140166279
2014-06-19

EXTENDED REACH STEAM ASSISTED GRAVITY DRAINAGE WITH OXYGEN ("ERSAGDOX")

#164
20140166278
2014-06-19

USE OF STEAM-ASSISTED GRAVITY DRAINAGE WITH OXYGEN ("SAGDOX") IN THE RECOVERY OF BITUMEN IN LEAN ZONES ("LZ-SAGDOX")

#165
20140152312
2014-06-05

Stimulating production from oil wells using an RF dipole antenna

#166
20140151029
2014-06-05

Hydrocarbon resource recovery system including different hydrocarbon resource recovery capacities and related methods

#167
20140151028
2014-06-05

Hydrocarbon resource recovery system including RF transmission line extending alongside a well pipe in a wellbore and related methods

#168
20140144627
2014-05-29

Hydrocarbon recovery with steam and solvent stages

#169
20140102692
2014-04-17

Method for hydrocarbon recovery using a water changing or driving agent with RF heating

#170
20140096961
2014-04-10

Thermal mobilization of heavy hydrocarbon deposits

#171
20140069638
2014-03-13

Radio frequency enhanced steam assisted gravity drainage method for recovery of hydrocarbons

#172
20140060823
2014-03-06

In situ combustion for steam recovery infill

#173
20140041890
2014-02-13

RF coaxial transmission line for a wellbore including dual-wall outer conductor and related methods

#174
20140020908
2014-01-23

RF antenna assembly including dual-wall conductor and related methods

#175
20140014494
2014-01-16

Radio frequency hydrocarbon resource upgrading apparatus including parallel paths and related methods

#176
20140014326
2014-01-16

Method of upgrading and recovering a hydrocarbon resource for pipeline transport and related system

#177
20140014325
2014-01-16

Method for recovering a hydrocarbon resource from a subterranean formation including additional upgrading at the wellhead and related apparatus

#178
20140014316
2014-01-16

Apparatus for transporting and upgrading a hydrocarbon resource through a pipeline and related methods

#179
20140000880
2014-01-02

Method of direct steam generation using an oxyfuel combustor

#180
20130341018
2013-12-26

Recovery from a subsurface hydrocarbon reservoir

#181
20130304436
2013-11-14

Control system for extraction of hydrocarbons from underground deposits

#182
20130284461
2013-10-31

Steam anti-coning/cresting technology ( SACT) remediation process

#183
20130269943
2013-10-17

Method of recovering oil and producing produced water that is concentrated and dried by a double drum dryer

#184
20130248177
2013-09-26

SAGDOX geometry for impaired bitumen reservoirs

#185
20130192825
2013-08-01

Hydrocarbon resource heating apparatus including upper and lower wellbore RF radiators and related methods

#186
20130180712
2013-07-18

Method for accelerating heavy oil production

#187
20130175031
2013-07-11

Sagdox geometry

#188
20130168094
2013-07-04

ENHANCED HEAVY OIL RECOVERY USING DOWNHOLE BITUMEN UPGRADING WITH STEAM ASSISTED GRAVITY DRAINAGE

#189
20130153210
2013-06-20

In situ RF heating of stacked pay zones

#190
20130146285
2013-06-13

Process and well arrangement for hydrocarbon recovery from bypassed pay or a region near the reservoir base

#191
20130140021
2013-06-06

IN-SITU UPGRADING OF BITUMEN OR HEAVY OIL

#192
20130105362
2013-05-02

SYSTEMS AND METHODS FOR INTEGRATING BITUMEN EXTRACTION WITH BITUMEN UPG...

#193
20130105156
2013-05-02

Artificial lift system for well production

#194
20130105155
2013-05-02

Method of processing a hydrocarbon resource including supplying RF energy using an extended well portion

#195
20130105147
2013-05-02

Recovery From A Hydrocarbon Reservoir

#196
20130098603
2013-04-25

Steam assisted gravity drainage processes with the addition of oxygen

#197
20130048297
2013-02-28

Method for hydrocarbon resource recovery including actuator operated positioning of an RF sensor and related apparatus

#198
20130048278
2013-02-28

METHOD FOR HYDROCARBON RESOURCE RECOVERY BY REPAIRING A FAILED HYDROCARBON RECOVERY ARRANGEMENT

#199
20130048277
2013-02-28

Method for hydrocarbon resource recovery including actuator operated positioning of an RF applicator and related apparatus

#200
20130008651
2013-01-10

METHOD FOR HYDROCARBON RECOVERY USING SAGD AND INFILL WELLS WITH RF HEATING

#201
20130000898
2013-01-03

Dual Mobilizing Agents In Basal Planer Gravity Drainage

#202
20130000897
2013-01-03

Recycling COin heavy oil or bitumen production

#203
20130000896
2013-01-03

Basal Planer Gravity Drainage

#204
20130000894
2013-01-03

Solvent injection recovery process

#205
20120325470
2012-12-27

Pentane-hexane solvent in situ recovery of heavy oil

#206
20120325459
2012-12-27

Radio frequency technology heater for unconventional resources

#207
20120312534
2012-12-13

ENHANCED HYDROCARBON RECOVERY THROUGH GAS PRODUCTION CONTROL FOR NONCONDENSABLE SOLVENTS OR GASES IN SAGD OR ES-SAGD OPERATIONS

#208
20120312532
2012-12-13

Additives for improving hydrocarbon recovery

#209
20120305239
2012-12-06

Cyclic radio frequency stimulation

#210
20120292055
2012-11-22

Pressure assisted oil recovery

#211
20120273195
2012-11-01

Method for steam assisted gravity drainage with pressure differential injection

#212
20120267095
2012-10-25

In situ radio frequency catalytic upgrading

#213
20120247773
2012-10-04

Method for managing channeling in geothermal recovery of hydrocarbon reservoirs

#214
20120234537
2012-09-20

Gravity drainage startup using RF and solvent

#215
20120234536
2012-09-20

Enhanced recovery and in situ upgrading using RF

#216
20120227965
2012-09-13

Method for accelerating start-up for steam-assisted gravity drainage (SAGD) operations

#217
20120227964
2012-09-13

CARBON DIOXIDE GAS MIXTURE PROCESSING WITH STEAM ASSISTED OIL RECOVERY

#218
20120118879
2012-05-17

Method for extracting hydrocarbons by in-situ electromagnetic heating of an underground formation

#219
20120118565
2012-05-17

Effective solvent extraction system incorporating electromagnetic heating

#220
20120085537
2012-04-12

Heavy oil recovery using SF6 and RF heating

#221
20120085533
2012-04-12

Cyclic steam stimulation using RF

#222
20120073798
2012-03-29

Control system for extraction of hydrocarbons from underground deposits

#223
20120067580
2012-03-22

Radio frequency heat applicator for increased heavy oil recovery

#224
20120067572
2012-03-22

Radio frequency enhanced steam assisted gravity drainage method for recovery of hydrocarbons

#225
20120061383
2012-03-15

Litz heating antenna

#226
20120061081
2012-03-15

RF fracturing to improve SAGD performance

#227
20120061080
2012-03-15

Inline RF heating for SAGD operations

#228
20110309990
2011-12-22

Diaxial power transmission line for continuous dipole antenna

#229
20110309988
2011-12-22

Continuous dipole antenna

#230
20110278001
2011-11-17

THERMAL MOBILIZATION OF HEAVY HYDROCARBON DEPOSITS

#231
20110259585
2011-10-27

Process for enhanced production of heavy oil using microwaves

#232
20110253370
2011-10-20

Process for enhanced production of heavy oil using microwaves

#233
20110253369
2011-10-20

Process for enhanced production of heavy oil using microwaves

#234
20110253368
2011-10-20

Process for enhanced production of heavy oil using microwaves

#235
20110253367
2011-10-20

Process for enhanced production of heavy oil using microwaves

#236
20110253363
2011-10-20

Process for enhanced production of heavy oil using microwaves

#237
20110253362
2011-10-20

Process for enhanced production of heavy oil using microwaves

#238
20110247819
2011-10-13

Low temperature inductive heating of subsurface formations

#239
20110247807
2011-10-13

Electrodes for electrical current flow heating of subsurface formations with tapered copper thickness

#240
20110247806
2011-10-13

Electrodes for electrical current flow heating of subsurface formations with conductive material in wellbore

#241
20110229071
2011-09-22

Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation

#242
20110227349
2011-09-22

Method for extracting bitumen and/or ultra-heavy oil from an underground deposit, associated installation and operating method for said installation

#243
20110198085
2011-08-18

Method and system for extraction of hydrocarbons from oil sands

#244
20110174498
2011-07-21

Hydrocarbon recovery process for fractured reservoirs

#245
20110146968
2011-06-23

Installation for the in situ extraction of a substance containing carbon

#246
20110120717
2011-05-26

Generation of fluid for hydrocarbon recovery

#247
20110120710
2011-05-26

In situ heating for reservoir chamber development

#248
20110120709
2011-05-26

Steam-gas-solvent (SGS) process for recovery of heavy crude oil and bitumen

#249
20110094739
2011-04-28

Oil recovery process

#250
20110073295
2011-03-31

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METHOD FOR TREATING A HYDROCARBON CONTAINING FORMATION

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Method for treating a hydrocarbon containing formation

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Process for recovering heavy oil

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Method for Recovering Hydrocarbons from Subterranean Formations

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Methods of improving heavy oil production

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Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore

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