ClassID:

104323

C09K8/582 - CPC Classification

Classification description:

Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations; Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of bacteria

Recent Application in this class:
#1
20260008953
2026-01-08

BIO-TAR MITIGATION IN AQUIFER OR WATER INJECTORS WELLS

#2
20260008952
2026-01-08

METHODS FOR MICROBIAL GAS PRODUCTION AND USE AS ISOTOPIC TRACER

#3
20250270439
2025-08-28

GROUND PROPERTY ADJUSTMENT METHOD AND HYDROCARBON RECOVERY METHOD USING THE SAME

#4
20250171679
2025-05-29

Microbial Products and Uses Thereof to Improve Oil Recovery

#5
20250129287
2025-04-24

Compositions and Methods for Paraffin Liquefaction and Enhanced Oil Recovery in Oil Wells and Associated Equipment

#6
20250122420
2025-04-17

BIO-TAR MITIGATION IN AQUIFER OR WATER INJECTORS WELLS

#7
20250116179
2025-04-10

MICROBIALLY ENHANCED THERMAL OIL RECOVERY

#8
20240392235
2024-11-28

PSEUDOMONAS AND USE THEREOF

#9
20240247288
2024-07-25

Method for cyclic biochemical conversion of carbon dioxide and hot gas cogeneration in depleted oil and gas reservoir

#10
20240218240
2024-07-04

Compositions and methods for paraffin liquefaction and enhanced oil recovery in oil wells and associated equipment

#11
20240199942
2024-06-20

LIGNIN-BASED COMPOSITIONS AND RELATED HYDROCARBON RECOVERY METHODS

#12
20240182777
2024-06-06

LIGNIN-BASED DILUENT AND RELATED METHODS

#13
20240182776
2024-06-06

LIGNIN-BASED COMPOSITIONS AND RELATED HYDROCARBON SEPARATION METHODS

#14
20240182772
2024-06-06

LIGNIN-BASED COMPOSITIONS AND RELATED METHODS

#15
20240158688
2024-05-16

METHODS FOR MICROBIAL GAS PRODUCTION AND USE AS ISOTOPIC TRACER

#16
20240076538
2024-03-07

Method for reducing pressure and increasing injection by continuous operation system of biological acid acidification and nano coating

#17
20230265001
2023-08-24

System and method for using subterranean biological reactors

#18
20230227772
2023-07-20

Compositions and methods for remediation of sulfate reducing prokaryotes

#19
20230175368
2023-06-08

Microbially enhanced thermal oil recovery

#20
20230032664
2023-02-02

Iron-reducing Tessaraccocus Oleiagri Strain DH10 and Applications thereof

#21
20220389303
2022-12-08

Microbial products and uses thereof to improve oil recovery

#22
20220372364
2022-11-24

Compositions and methods for paraffin liquefaction and enhanced oil recovery in oil wells and associated equipment

#23
20220348816
2022-11-03

Autonomous extremophiles for downhole oil and gas applications controlled by metal silica nanoparticles

#24
20220341301
2022-10-27

Hydrocarbon recovery method and hydrocarbon recovery system

#25
20220340807
2022-10-27

Materials and methods for recovering oil from oil sands

#26
20220290036
2022-09-15

Methods for microbial gas production and use as isotopic tracer

#27
20220282604
2022-09-08

METHODS AND SYSTEMS FOR PRODUCING ORGANIC COMPOUNDS IN A SUBTERRANEAN ENVIRONMENT

#28
20220112423
2022-04-14

Novel Protein Hydrolysate Composition that Increases Coalbed Methane Production

#29
20220064516
2022-03-03

Materials and Methods for Extended Reduction of Heavy Crude Oil Viscosity

#30
20220041919
2022-02-10

Biochemical viscosity reducer for heavy oil and preparation method thereof

#31
20210404333
2021-12-30

Microbiome Based Systems, Apparatus and Methods for the Exploration and Production of Hydrocarbons

#32
20210396135
2021-12-23

Microbiome Based Systems, Apparatus and Methods for the Exploration and Production of Hydrocarbons

#33
20210371938
2021-12-02

MICROBIOME BASED SYSTEMS, APPARATUS AND METHODS FOR MONITORING AND CONTROLLING INDUSTRIAL PROCESSES AND SYSTEMS

#34
20210301191
2021-09-30

Compositions and methods for paraffin liquefaction and enhanced oil recovery in oil wells and associated equipment

#35
20210198554
2021-07-01

Materials and methods for reducing viscosity of oil

#36
20210131245
2021-05-06

Microbially enhanced thermal oil recovery

#37
20210122656
2021-04-29

System and method for using subterranean biological reactors

#38
20210108125
2021-04-15

COMPOSITION AND METHOD FOR CONTROLLING BACTERIA IN FORMATIONS

#39
20210095185
2021-04-01

Compositions and methods for microbial enhanced digestion of polymers in fracking wells

#40
20210071498
2021-03-11

RESERVOIR TREATMENTS

#41
20210054258
2021-02-25

Method of microbial enhanced oil recovery by changing microbial motility

#42
20210010370
2021-01-14

Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons

#43
20210002542
2021-01-07

Multi-functional compositions for enhanced oil and gas recovery and other petroleum industry applications

#44
20200399526
2020-12-24

Co-cultivation of a myxobacterium and acinetobacter for enhanced production of emulsan

#45
20200355053
2020-11-12

Microbially enhanced thermal oil recovery

#46
20200291289
2020-09-17

Materials and methods for recovering oil from oil sands

#47
20200224238
2020-07-16

Symbiotic fermentation of and and applications thereof

#48
20200190395
2020-06-18

Composition and method for controlling bacteria in formations

#49
20200157408
2020-05-21

Two-step process for microbial enhanced oil recovery

#50
20200154715
2020-05-21

Compositions and methods for remediation of sulfate reducing prokaryotes

#51
20200123433
2020-04-23

Compositions and methods for reducing hydrogen sulfide and microbial influenced corrosion in crude oil, natural gas, and in associated equipment

#52
20200071603
2020-03-05

Composition and methods for microbial enhanced digestion of polymers in fracking wells

#53
20200071600
2020-03-05

Microbial products and uses thereof to improve oil recovery

#54
20200032128
2020-01-30

Materials and methods for reducing viscosity of oil

#55
20200018143
2020-01-16

Microbially enhanced thermal oil recovery

#56
20190360298
2019-11-28

Reservoir treatments

#57
20190300824
2019-10-03

BACTERIAL SPORE COMPOSITIONS FOR INDUSTRIAL USES

#58
20190277121
2019-09-12

Method for increasing recovery of oil from carbonate oil reservoirs utilizing and “in situ” organic approach

#59
20190264091
2019-08-29

Biologically mediated precipitation of carbonates for use in oilfield applications

#60
20190194600
2019-06-27

NOVEL CULTIVATION SYSTEM FOR THE EFFICIENT PRODUCTION OF MICROORGANISMS

#61
20190144505
2019-05-16

Method for producing surfactin by using bacillus amyloliquefaciens

#62
20190100983
2019-04-04

Enhancing the effects of a low-pressure zone surrounding a well bore via radial drilling by increasing the contact zone for resident microbial enhanced oil recovery

#63
20190010379
2019-01-10

Composition and method for controlling bacteria in formations

#64
20190002753
2019-01-03

Methods of controlling fines migration in a well

#65
20180354788
2018-12-13

Method for obtaining combustible gases from rocks for energy production

#66
20180266223
2018-09-20

Microbially enhanced thermal oil recovery

#67
20180237683
2018-08-23

Methanogenesis

#68
20180223316
2018-08-09

COMPOSITIONS AND METHODS FOR IDENTIFYING AND MODIFYING CARBONACEOUS COMPOSITIONS

#69
20180163234
2018-06-14

Compositions and methods for identifying and modifying carbonaceous compositions

#70
20180163120
2018-06-14

Reservoir treatments

#71
20180135393
2018-05-17

Methods For Microbially Enhanced Recovery of Hydrocarbons

#72
20180112504
2018-04-26

Microbial enhanced oil recovery method

#73
20180094184
2018-04-05

Process for recovery and mobilization of oil contained in porous media by tensoactive biomolecules produced by SmSA

#74
20180066504
2018-03-08

Geochemical methods for monitoring and evaluating microbial enhanced recovery operations

#75
20180037810
2018-02-08

Encapsulated porous proppant

#76
20180016883
2018-01-18

ENHANCED OIL RECOVERY AND ENVIRONMENTAL REMEDIATION

#77
20180016545
2018-01-18

Automated method for selecting microbial strains which can degrade or emulsify oil

#78
20170370213
2017-12-28

Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons

#79
20170335298
2017-11-23

Multi-domain enzymes having cutinase activity, compositions comprising same and uses thereof

#80
20170321106
2017-11-09

Method for microbial control of injection liquid flow in a hydrocarbon reservoir

#81
20170240806
2017-08-24

CHEMICAL AMENDMENTS FOR THE STIMULATION OF BIOGENIC GAS GENERATION IN DEPOSITS OF CARBONACEOUS MATERIAL

#82
20170233628
2017-08-17

ENZYME DESTABILIZERS FOR DESTABILIZING ENZYMES PRODUCING SULFUR CONTAINING COMPOUNDS IN DOWNHOLE FLUIDS

#83
20170218256
2017-08-03

Treatment of Subterranean Formations with Compositions Including Mycelium

#84
20170089186
2017-03-30

Method for increasing recovery of oil from carbonate oil reservoirs utilizing an “in situ” organic approach

#85
20170051595
2017-02-23

Method of microbially assisted water alternating gas injection as a means of enhanced oil recovery by supplementing the immiscible water injection cycle with nutrients to improve oil release in oil-containing rock formations

#86
20160319643
2016-11-03

Process of sustaining methane production in a subterranean carbonaceous medium

#87
20160319257
2016-11-03

Multi-domain enzymes having cutinase activity, compositions comprising same and uses thereof

#88
20160290132
2016-10-06

Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons

#89
20160283651
2016-09-29

Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons

#90
20160272962
2016-09-22

Microbial enhanced oil recovery methods utilizing a microorganism that is deficient in its ability to degrade short chain hydrocarbons

#91
20160222280
2016-08-04

Microbial enhanced oil recovery method

#92
20160152943
2016-06-02

Alkaline microbial enhanced oil recovery

#93
20160040119
2016-02-11

Bacterial spore compositions for industrial uses

#94
20160017386
2016-01-21

Altering the interface of hydrocarbon-coated surfaces

#95
20150329876
2015-11-19

Process for enhancing biogenic methane production from a carbonaceous material using gaseous nitrogen combinations

#96
20150329765
2015-11-19

Process for enhancing biogenic methane production from a carbonaceous material using a nutrient composition with low nitrogen/high phosphorus concentrations

#97
20150322331
2015-11-12

ALTERING THE INTERFACE OF HYDROCARBON-COATED SURFACES

#98
20150284811
2015-10-08

Microbiome based systems, apparatus and methods for the exploration and production of hydrocarbons

#99
20150284810
2015-10-08

Microbiome based systems, apparatus and methods for monitoring and controlling industrial processes and systems

#100
20150104795
2015-04-16

Biogenic fuel gas generation in geologic hydrocarbon deposits

#101
20150101816
2015-04-16

Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material

#102
20150075776
2015-03-19

OPTIMIZATION OF BIOGENIC METHANE PRODUCTION FROM HYDROCARBON SOURCES

#103
20140367090
2014-12-18

Biological augmentation of low salinity water flooding to improve oil release using nutrient supplementation of injected low salinity water

#104
20140367089
2014-12-18

Method of gravity assisted microbiologically enhanced oil recovery by improving the distribution of nutrients introduced into oil producing rock formations

#105
20140367088
2014-12-18

Method of biological permeability modification of oil reservoirs using resident microorganisms and nutrient supplementation

#106
20140352946
2014-12-04

Controlling bioavailability of nutrient additions in subsurface formations

#107
20140352945
2014-12-04

Degrading Wellbore Filtercake with Acid-Producing Microorganisms

#108
20140315765
2014-10-23

Treatment of a subterranean formation with composition including a microorganism or compound generated by the same

#109
20140251622
2014-09-11

Methods for producing authigenic rock mineral for altering rock hydrology

#110
20140202685
2014-07-24

IN-SITU ACID STIMULATION OF CARBONATE FORMATIONS WITH ACID-PRODUCING MICROORGANISMS

#111
20140202684
2014-07-24

IN-SITU ACID STIMULATION OF CARBONATE FORMATIONS WITH ACID-PRODUCING MICROORGANISMS

#112
20140182840
2014-07-03

Method of monitoring the flow of natural or injected water during oil field recovery processes using an organic tracer

#113
20140151042
2014-06-05

Chelate Compositions And Methods And Fluids For Use In Oilfield Operations

#114
20140151027
2014-06-05

Method for optimizing in-situ bioconversion of carbon-bearing formations

#115
20140121136
2014-05-01

Methods of activating enzyme breakers

#116
20140116706
2014-05-01

Altering the interface of hydrocarbon-coated surfaces

#117
20140083693
2014-03-27

Enzyme enhanced oil recovery

#118
20140083679
2014-03-27

Method for microbial control of injection liquid flow in a hydrocarbon reservoir

#119
20140073023
2014-03-13

Generation of methane from hydrocarbon bearing materials

#120
20140069642
2014-03-13

Enhanced oil recovery system and a method for operating an underground oil reservoir

#121
20140069635
2014-03-13

EMULSIONS TO ENHANCE MICROBIAL ACTIVITY IN A RESERVOIR

#122
20140038265
2014-02-06

Composite oil displacement agent containing a microorganism for oil displacement and a preparation method thereof

#123
20130248170
2013-09-26

Methods of stimulating acetoclastic methanogenesis in subterranean deposits of carbonaceous material

#124
20130146280
2013-06-13

Microbial enhanced oil recovery process for heavy oil accumulations

#125
20130116126
2013-05-09

Compositions and methods for identifying and modifying carbonaceous compositions

#126
20130079259
2013-03-28

Oil release with polyethylene oxide segment-containing N-lauroyl amino acid-based compounds

#127
20130075085
2013-03-28

USE OF GLUTAMATE FOR MICROBIAL ENHANCED OIL RECOVERY

#128
20130062053
2013-03-14

Alkaline microbial enhanced oil recovery

#129
20130059358
2013-03-07

IN-SITU ELECTRICAL STIMULATION OF BIOCONVERSION OF CARBON-BEARING FORMATIONS

#130
20130020073
2013-01-24

Methods for increasing methanogenesis in subsurface reservoirs

#131
20130000912
2013-01-03

Altering the interface of hydrocarbon-coated surfaces

#132
20120325457
2012-12-27

Microbial enhanced oil recovery delivery systems and methods

#133
20120309070
2012-12-06

Generation of hydrogen from hydrocarbon bearing materials

#134
20120298353
2012-11-29

Method for growing and metabolizing microbes

#135
20120285681
2012-11-15

Method for optimizing in-situ bioconversion of carbon-bearing formations

#136
20120277127
2012-11-01

Methods, strains, and compositions useful for microbially enhanced oil recovery: clade 1

#137
20120277126
2012-11-01

METHODS, STRAINS, AND COMPOSITIONS USEFUL FOR MICROBIALLY ENHANCED OIL RECOVERY: PSEUDOMONAS STUTZERI

#138
20120273189
2012-11-01

Prevention of biomass aggregation at injection wells

#139
20120261117
2012-10-18

Systems and methods of microbial enhanced oil recovery

#140
20120255729
2012-10-11

Multistage process for producing mineral oil using microorganisms

#141
20120255726
2012-10-11

IN-SITU MICROBIAL OXYGEN GENERATION AND HYDROCARBON CONVERSION IN A HYDROCARBON CONTAINING FORMATION

#142
20120255725
2012-10-11

Methods for obtaining clean energy from coal

#143
20120241148
2012-09-27

CONTROL OF FLUID FLOW DURING TREATMENT OF SUBTERRANEAN SITES USING WELL FLUID INJECTION

#144
20120214713
2012-08-23

Method for Adjusting and Controlling Microbial Enhanced Oil Recovery

#145
20120199343
2012-08-09

Multistage process for producing mineral oil using microorganisms

#146
20120138290
2012-06-07

METHODS TO STIMULATE BIOGENIC METHANE PRODUCTION FROM HYDROCARBON-BEARING FORMATIONS

#147
20120122740
2012-05-17

Heavy oil recovery process using extremophile anaerobic indigenous microorganisms

#148
20120070883
2012-03-22

HIGH TEMPERATURE HIGH PRESSURE MICROBIAL REACTOR

#149
20120021495
2012-01-26

GENERATION OF MATERIALS WITH ENHANCED HYDROGEN CONTENT FROM ANAEROBIC MICROBIAL CONSORTIA INCLUDING DESULFUROMONAS OR CLOSTRIDIA

#150
20120006552
2012-01-12

Method for pre-treatment of subterranean sites adjacent to water injection wells

#151
20120006542
2012-01-12

Method for pre-treatment of subterranean sites adjacent to water injection wells

#152
20120006541
2012-01-12

METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS

#153
20120006540
2012-01-12

Method for pre-treatment of subterranean sites adjacent to water injection wells

#154
20120006539
2012-01-12

Method for pre-treatment of subterranean sites adjacent to water injection wells

#155
20120006538
2012-01-12

METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS

#156
20120006537
2012-01-12

Method for pre-treatment of subterranean sites adjacent to water injection wells

#157
20120006536
2012-01-12

Method for pre-treatment of subterranean sites adjacent to water injection wells

#158
20120006535
2012-01-12

Method for pre-treatment of subterranean sites adjacent to water injection wells

#159
20120006534
2012-01-12

Method for pre-treatment of subterranean sites adjacent to water injection wells

#160
20110308790
2011-12-22

In situ methanogenesis modeling and risk analysis

#161
20110284215
2011-11-24

Biogenic fuel gas generation in geologic hydrocarbon deposits

#162
20110277991
2011-11-17

Methods of enhancing biogenic production of methane from hydrocarbon-bearing formations

#163
20110262987
2011-10-27

Solubilization of Carbonaceous Materials and Conversion to Hydrocarbons and Other Useful Products

#164
20110257052
2011-10-20

Method for Practicing Microbial Enhanced Oil Recovery Using Nitrogen Containing Fertilizers Recovered from Contaminated Water for Feeding Microbes

#165
20110250582
2011-10-13

METHODS AND SYSTEMS FOR GAS PRODUCTION FROM A RESERVOIR

#166
20110244554
2011-10-06

MECHANICAL DEVICE FOR DISPERSING BIOMASS POPULATIONS

#167
20110146973
2011-06-23

Biotechnological process for hydrocarbon recovery in low permeability porous media

#168
20110139439
2011-06-16

Biogenic fuel gas generation in geologic hydrocarbon deposits

#169
20110067856
2011-03-24

Microbial enhanced oil recovery methods

#170
20110061858
2011-03-17

Method for growing and metabolizing microbes

#171
20110030956
2011-02-10

Altering the interface of hydrocarbon-coated surfaces

#172
20110027849
2011-02-03

Formation pretreatment with biogenic methane production enhancement systems

#173
20110014091
2011-01-20

Method and apparatus for on-site nitrate production for a water processing system

#174
20110008217
2011-01-13

Method and apparatus for on-site nitrate production for a water processing system

#175
20100300680
2010-12-02

Biogenic fuel gas generation in geologic hydrocarbon deposits

#176
20100256022
2010-10-07

Method and apparatus for on-site nitrate production for a water processing system

#177
20100248322
2010-09-30

CHEMICAL AMENDMENTS FOR THE STIMULATION OF BIOGENIC GAS GENERATION IN DEPOSITS OF CARBONACEOUS MATERIAL

#178
20100248321
2010-09-30

SURFACTANT AMENDMENTS FOR THE STIMULATION OF BIOGENIC GAS GENERATION IN DEPOSITS OF CARBONACEOUS MATERIALS

#179
20100216217
2010-08-26

Steady state anaerobic denitrifying consortium for application in in-situ bioremediation of hydrocarbon-contaminated sites and enhanced oil recovery

#180
20100212888
2010-08-26

Method of improving oil recovery from an oil reservoir using an enriched anaerobic steady state microbial consortium

#181
20100190203
2010-07-29

Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material

#182
20100163230
2010-07-01

Method of enhancing oil recovery

#183
20100101782
2010-04-29

Biogenic fuel gas generation in geologic hydrocarbon deposits

#184
20100081585
2010-04-01

Controlling bioavailability of nutrient additions in subsurface formations

#185
20100069266
2010-03-18

PROCESS FOR THE ENZYMATIC REMOVAL OF FILTER-CAKES PRODUCED BY WATER-BASED DRILLING AND COMPLETION FLUIDS

#186
20100047793
2010-02-25

Methods of identifying stimulants for biogenic methane production from hydrocarbon-bearing formations

#187
20100044031
2010-02-25

Method for identification of novel anaerobic denitrifying bacteria utilizing petroleum components as sole carbon source

#188
20100000732
2010-01-07

Method for optimizing in-situ bioconversion of carbon-bearing formations

#189
20090288843
2009-11-26

Enzyme enhanced oil recovery (EEOR) for waterflooding operations

#190
20090288826
2009-11-26

Enzyme enhanced oil recovery (EEOR) for cyclic steam injection

#191
20090266547
2009-10-29

Enzyme enhanced oil recovery (EEOR) for near wellbore treatment of oil and gas with greater than 50% barrel of oil equivalent (BOE) gas production

#192
20090260827
2009-10-22

Enzyme enhanced oil recovery (EEOR) for water alternating gas (WAG) systems

#193
20090246849
2009-10-01

Biogenic methane production enhancement systems

#194
20090200015
2009-08-13

METHOD AND LIQUID FOR INCREASING THE RECOVERY FACTOR IN OIL RESERVOIRS

#195
20090082227
2009-03-26

APPLICATION OF ANAEROBIC DENITRIFYING BACTERIA UTILIZING PETROLEUM COMPONENTS AS SOLE CARBON SOURCE FOR OIL

#196
20090069201
2009-03-12

METHOD OF CULTURING UNICELLULAR ORGANISMS

#197
20090062153
2009-03-05

Enzyme enhanced oil/gas recovery (EEOR/EEGR) using non-gel hydraulic fracturing in hydrocarbon producing wells

#198
20090050325
2009-02-26

Enzyme enhanced oil recovery (EEOR) for near wellboretreatment of oil and gas with greater than 50% barrel of oil equivalent (BOE) gas production

#199
20090050316
2009-02-26

Methods for improved hydrocarbon and water compatibility

#200
20090050315
2009-02-26

Ring reduction via natural anaerobic microbiological activity for transformation of crude oil-associated aromatic chemicals

#201
20090035840
2009-02-05

consortium for the production of materials with enhanced hydrogen content

#202
20090029879
2009-01-29

PROCESS FOR ENHANCED OIL RECOVERY USING A MICROBIAL CONSORTIUM

#203
20090023612
2009-01-22

GENERATION OF MATERIALS WITH ENHANCED HYDROGEN CONTENT FROM ANAEROBIC MICROBIAL CONSORTIA

#204
20080299635
2008-12-04

Biogenic fuel gas generation in geologic hydrocarbon deposits

#205
20080289816
2008-11-27

Biogenic fuel gas generation in geologic hydrocarbon deposits

#206
20080286855
2008-11-20

consortium for the production of materials with enhanced hydrogen content

#207
20080196892
2008-08-21

Enzyme enhanced oil recovery (EEOR) for waterflooding operations

#208
20080182318
2008-07-31

GENERATION OF MATERIALS WITH ENHANCED HYDROGEN CONTENT FROM ANAEROBIC MICROBIAL CONSORTIA INCLUDING DESULFUROMONAS OR CLOSTRIDIA

#209
20080167445
2008-07-10

ENHANCED OIL RECOVERY COMPOSITIONS COMPRISING PROTEINS AND SURFACTANTS AND METHODS OF USING THE SAME

#210
20080142230
2008-06-19

Enzyme enhanced oil recovery (EEOR) for water alternating gas (WAG) systems

#211
20080115945
2008-05-22

Enzyme enhanced oil recovery (EEOR) for cyclic steam injection

#212
20070298479
2007-12-27

Process For Stimulating Production Of Hydrogen From Petroleum In Subterranean Formations

#213
20070295505
2007-12-27

Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material

#214
20070261843
2007-11-15

Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material

#215
20070251146
2007-11-01

Process for stimulating production of methane from petroleum in subterranean formations

#216
20070248531
2007-10-25

Generation of hydrogen from hydrocarbon bearing materials

#217
20070161077
2007-07-12

consortium for the production of materials with enhanced hydrogen content

#218
20070092930
2007-04-26

Process for enhanced recovery of crude oil from oil wells using novel microbial consortium

#219
20070007004
2007-01-11

Composition and method to enhance recovery from oil wells

#220
20060281635
2006-12-14

Method and liquid for increasing the recovery factor in oil reservoirs

#221
20060254765
2006-11-16

Biogenic fuel gas generation in geologic hydrocarbon deposits

#222
20060223153
2006-10-05

Generation of materials with enhanced hydrogen content from anaerobic microbial consortia

#223
20050006094
2005-01-13

Emplacement of treatment agents using soil fracturing for remediation of subsurface environmental contamination

#224
19211847
2025-09-23

Method for microbially enhanced oil recovery

#225
17168841
2022-06-07

Enhanced oil recovery method with single well huff and puff and inter-segment oil displacement after horizontal well fracturing

#226
16859808
2023-03-07

Stimulation and continuous recovery of biogenic gas from coal beds