ClassID:

104327

C09K8/594 - 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 Compositions used in combination with injected gas, e.g. CO orcarbonated gas

Recent Application in this class:
#1
20260098462
2026-04-09

Methods for Hydrocarbon Recovery from Unconventional Formations

#2
20260042955
2026-02-12

VISCOELASTIC FOAM SYSTEM FOR ACIDIC GAS SWITCH, AND METHOD AND USE FOR IMPROVING THE RECOVERY FACTOR USING THE SAME

#3
20260034519
2026-02-05

APPARATUS AND METHOD FOR CO2 MICROBUBBLE FLOODING

#4
20250388802
2025-12-25

NANOPARTICLE-SURFACTANT STABILIZED FOAMS

#5
20250314161
2025-10-09

METHOD FOR GENERATING CO2 IN SITU FOR OILFIELD APPLICATIONS USING PROPYLENE CARBONATE

#6
20250305392
2025-10-02

CARBON DIOXIDE MINERALIZATION AND STORAGE

#7
20250289995
2025-09-18

SURFACTANTS FOR OIL AND GAS PRODUCTION

#8
20250283391
2025-09-11

CARBON DIOXIDE MINERALIZATION AND STORAGE

#9
20250270900
2025-08-28

CAPILLARY LINE INTRODUCTION AND WITHDRAWAL OF GASES FROM A SUBTERRANEAN STORAGE FORMATION

#10
20250265397
2025-08-21

Advanced Technique for Screening Enhanced Oil Recovery and Improved Oil Recovery Methodologies for a Petroleum Reservoir

#11
20250257640
2025-08-14

ENHANCED OIL RECOVERY

#12
20250250479
2025-08-07

METHOD OF OIL RECOVERY USING COMPOSITIONS OF CARBON DIOXIDE AND COMPOUNDS TO INCREASE WATER WETTABILITY OF FORMATIONS

#13
20250243735
2025-07-31

SYSTEM AND METHOD FOR GENERATING HYDROGEN AND ENHANCING WELLBORE INJECTIVITY AND HYDROCARBON RECOVERY

#14
20250179900
2025-06-05

CRUDE OIL RECOVERY METHOD

#15
20250171680
2025-05-29

SYSTEM AND METHOD FOR OPTIMIZED PRODUCTION OF HYDROCARBONS FROM SHALE OIL RESERVOIRS VIA CYCLIC INJECTION

#16
20250145881
2025-05-08

COMPOSITIONS AND METHODS FOR GAS LIFTED WELL DELIQUIFICATION

#17
20250122421
2025-04-17

COMPOSITIONS AND METHODS FOR PRESSURE PROTECTION

#18
20250116173
2025-04-10

Surfactant formulation and method for water flood assisted COsequestration

#19
20250109671
2025-04-03

METHOD TO REDUCE CARBON DIOXIDE RECOVERY FROM SUBSURFACE LOCATIONS

#20
20250092302
2025-03-20

METHOD FOR REDUCING THE VISCOSITY OF HEAVY OIL FOR EXTRACTION, TRANSPORT IN PIPES, AND CLEANING THEREOF

#21
20250084299
2025-03-13

QUANTUM DOT NANOFLUIDS

#22
20250084298
2025-03-13

QUANTUM DOT NANOFLUIDS

#23
20250051633
2025-02-13

SURFACTANTS FOR OIL AND GAS PRODUCTION

#24
20250034974
2025-01-30

USE OF CARBON MONOXIDE COMBINED WITH ADDITIVE GASES IN OIL RESERVOIRS

#25
20250034449
2025-01-30

Functionalized nanoparticles and polymers for foamer applications in upstream environments

#26
20250018376
2025-01-16

Catalysts that include a fibrous silica support and metal oxide nanoparticles and methods of making and using same

#27
20250011642
2025-01-09

METHOD FOR STIMULATING INJECTION WELLS USING REDUCING AGENTS

#28
20240400914
2024-12-05

ENHANCED HYDROPROCESSING PROCESS WITH AMMONIA AND CARBON DIOXIDE RECOVERY

#29
20240376372
2024-11-14

METHOD OF STORING HYDROGEN GAS IN A SUBSURFACE FORMATION

#30
20240376371
2024-11-14

SURFACTANTS FOR OIL AND GAS PRODUCTION

#31
20240368455
2024-11-07

BRANCHED AMINO ACID SURFACTANTS FOR OIL AND GAS PRODUCTION

#32
20240318069
2024-09-26

SUPER HYDROPHOBIC 2D NANOSHEET MATERIALS FOR IMPROVED OIL RECOVERY

#33
20240309265
2024-09-19

FOAMED WETTABILITY ALTERATION TREATMENT FOR DEEP CONDENSATE AND WATER BLOCKAGE IN GAS RESERVOIRS

#34
20240301276
2024-09-12

GAS LIFT USING DISSOLVABLE CO2 SALT PELLETS AND SYSTEMS AND METHODS RELATED THERETO

#35
20240279555
2024-08-22

Fine mineral matter for upgrading the quality of the products of thermal or catalytic cracking or in-situ heavy oil catalytic cracking

#36
20240247288
2024-07-25

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

#37
20240240539
2024-07-18

USE OF CARBOXYLATES FOR CARBON SEQUESTRATION, IMPROVED OIL RECOVERY, AND HYDROGEN STORAGE AND REPRODUCTION

#38
20240228880
2024-07-11

Aqueous carbon dioxide foam stabilized by organic Janus nanosheets and preparation method and application thereof

#39
20240182777
2024-06-06

LIGNIN-BASED DILUENT AND RELATED METHODS

#40
20240117714
2024-04-11

METHOD FOR INCREASING CRUDE OIL PRODUCTION BY CO2 STORAGE IN AQUIFER AND DUMPFLOODING

#41
20240117242
2024-04-11

System and method for optimized production of hydrocarbons from shale oil reservoirs via cyclic injection

#42
20240084198
2024-03-14

Surfactant formulations for aqueous foam stability at high temperature and high salinity conditions

#43
20240084189
2024-03-14

Sequestration of carbon dioxide in organic-rich geological formations

#44
20240084188
2024-03-14

SUPER HYDROPHOBIC 2D NANOSHEET MATERIALS FOR IMPROVED OIL RECOVERY

#45
20240067866
2024-02-29

ETHER AND CARBON DIOXIDE MIXTURES TO ENHANCE HYDROCARBON RECOVERY FROM AN UNDERGROUND FORMATION

#46
20240035360
2024-02-01

Subsurface sequestration of CO2 in subsurface formations

#47
20240026216
2024-01-25

Advanced encapsulation for downhole water capture and improved oil recovery

#48
20240011376
2024-01-11

Method for recovering hydrocarbons with an organic solvent injection blend

#49
20230417129
2023-12-28

IN-SITU OIL UPGRADING VIA DEASPHALTING

#50
20230406700
2023-12-21

Processes and Systems for Upgrading a Hydrocarbon-Containing Feed

#51
20230399924
2023-12-14

Subsurface sequestration of CO2 in subsurface formations

#52
20230399561
2023-12-14

Method for removing condensate banking in a subsurface formation

#53
20230383173
2023-11-30

Carbon dioxide viscosification by polyolefins

#54
20230374372
2023-11-23

SILICA NANOPARTICLES FOR CRUDE OIL RECOVERY USING CARBON DIOXIDE, AND CRUDE OIL RECOVERY METHOD

#55
20230357626
2023-11-09

Surfactants for oil and gas production

#56
20230340868
2023-10-26

Methods and apparatus for offshore power generation and ammonia production

#57
20230340317
2023-10-26

Method and applications of nonstoichiometric ionic emulsions

#58
20230323195
2023-10-12

ENCAPSULATED PROPPANT PARTICLES FOR HYDRAULIC FRACTURING

#59
20230313022
2023-10-05

Oxidizing gasses for carbon dioxide-based fracturing fluids

#60
20230296580
2023-09-21

CYCLIC MISCIBLE HYDROCARBON GAS INJECTION-SOAK-PRODUCTION AND USES THEREOF FOR ENHANCED OIL RECOVERY IN UNCONVENTIONAL RESERVOIRS

#61
20230295487
2023-09-21

Method for stabilizing COmicrobubble by injecting nanoparticles to enhance geological storage

#62
20230272265
2023-08-31

Carbon Dioxide Viscosification by Polyolefins

#63
20230265749
2023-08-24

Methodology to improve the efficiency of gravity drainage CO2 gas injection processes

#64
20230265336
2023-08-24

COMPOSITION WITH FOAMING PROPERTIES

#65
20230265001
2023-08-24

System and method for using subterranean biological reactors

#66
20230241549
2023-08-03

METHOD FOR SYNGAS SEPARATION AT HYDROGEN PRODUCING FACILITIES FOR CARBON CAPTURE AND STORAGE

#67
20230237227
2023-07-27

Advanced technique for screening enhanced oil recovery and improved oil recovery methodologies for a petroleum reservoir

#68
20230235215
2023-07-27

Use of carbon monoxide and light hydrocarbons in oil reservoirs

#69
20230235214
2023-07-27

Nanobubbles and gas-liquid mixtures for enhanced carbon dioxide sequestration

#70
20230183562
2023-06-15

Compositions and methods for pressure protection

#71
20230183558
2023-06-15

Sequestration of carbon dioxide in organic-rich geological formations

#72
20230183557
2023-06-15

Foamed wettability alteration treatment for deep condensate and water blockage in gas reservoirs

#73
20230146672
2023-05-11

Tight oil reservoir COflooding multi-scale channeling control system and preparation method

#74
20230084576
2023-03-16

Compositions and methods for pressure protection

#75
20230072750
2023-03-09

Carbon dioxide recycle stream processing with ethylene glycol dehydrating in an enhanced oil recovery process

#76
20230068743
2023-03-02

MULTI-PHASE COMPOSITION AND METHOD FOR MITIGATING FRACTURING HITS OF UNDERGROUND WELLS

#77
20230066063
2023-03-02

REFRIGERATION-INTEGRATED HYDROCARBON COLLECTION SYSTEM AND METHOD OF OPERATION

#78
20230064753
2023-03-02

Methodology to increase oil production rates in gravity drainage CO2 gas injection processes

#79
20230058204
2023-02-23

Surfactants for oil and gas production

#80
20230046909
2023-02-16

Nonionic Surfactants Employed with Extended Chain as the Oil Displacement Agent to use in Enhanced Oil Recovery

#81
20230039745
2023-02-09

PROCESS FOR EXTRACTING A CRUDE OIL WITH INJECTION OF RESIN

#82
20230002669
2023-01-05

Silica nanoparticles for crude oil recovery using carbon dioxide, and crude oil recovery method

#83
20220412197
2022-12-29

Insitu foam generation to fasten and increase oil production rates in gravity drainage COgas injection

#84
20220380693
2022-12-01

Reservoir management by controlling acid gas build-up in reservoir by partial CO2 removal processes

#85
20220380660
2022-12-01

IN SITU UPGRADING OF HEAVY HYDROCARBON USING ONE OR MORE DEGRADABLE SOLVENTS AND ONE OR MORE ADDITIVES

#86
20220364445
2022-11-17

Electromagnetic wave hybrid tool and methods

#87
20220356392
2022-11-10

Foaming formulations for enhanced oil recovery

#88
20220306931
2022-09-29

Covalent organic frameworks for improved oil recovery

#89
20220306929
2022-09-29

SUPER HYDROPHOBIC 2D NANOSHEET MATERIALS FOR IMPROVED OIL RECOVERY

#90
20220282604
2022-09-08

METHODS AND SYSTEMS FOR PRODUCING ORGANIC COMPOUNDS IN A SUBTERRANEAN ENVIRONMENT

#91
20220275268
2022-09-01

Method of oil recovery using compositions of carbon dioxide and compounds to increase carbon dioxide wettability of formations

#92
20220259485
2022-08-18

Carbon-dioxide-responsive self-thickening intelligent fluid based on supramolecular self-assembly

#93
20220251438
2022-08-11

Additive for enhanced oil recovery

#94
20220213376
2022-07-07

Oxidizing gasses for carbon dioxide-based fracturing fluids

#95
20220186106
2022-06-16

Injection fluids comprising alkoxylated alcohols and the use of such fluids in oil recovery processes

#96
20220162498
2022-05-26

METHOD FOR IMPROVED OIL RECOVERY IN SUBTERRANEAN FORMATIONS WITH CIRCUMNEUTRAL pH FLOOD

#97
20220162497
2022-05-26

NANOPARTICLE-SURFACTANT STABILIZED FOAMS

#98
20220154563
2022-05-19

Methods of controlling water production from hydrocarbon bearing subterranean formations using dense carbon dioxide compositions

#99
20220154078
2022-05-19

Fine mineral matter for upgrading the quality of the products of thermal or catalytic cracking or in-situ heavy oil catalytic cracking

#100
20220154067
2022-05-19

Oxygenated solvents for improved production of oil and gas

#101
20220145167
2022-05-12

Foaming compositions for enhanced oil recovery

#102
20220145165
2022-05-12

Quantum dot nanofluids

#103
20220098471
2022-03-31

Enhancing rheological properties of foam using aloe-barbadensis gel

#104
20220081608
2022-03-17

Enhancing foam rheological properties using water-soluble thickener

#105
20220049589
2022-02-17

Method of deploying carbon dioxide foam flooding in an oil reservoir

#106
20220010198
2022-01-13

METHODS OF RECOVERING A HYDROCARBON MATERIAL

#107
20220010197
2022-01-13

Branched amino acid surfactants for oil and gas production

#108
20220010196
2022-01-13

Foams for hydrocarbon recovery, wells including such, and methods for use of such

#109
20210403797
2021-12-30

Low pH crosslinking of polymers

#110
20210380870
2021-12-09

Y-grade NGL fluids for enhanced oil recovery

#111
20210380869
2021-12-09

Method for modifying well injection profile and enhanced oil recovery

#112
20210371728
2021-12-02

Methods and compositions for enhanced oil recovery

#113
20210355369
2021-11-18

ENHANCING FOAM RHEOLOGICAL PROPERTIES USING WATER-SOLUBLE THICKENER

#114
20210340428
2021-11-04

System and method for optimized production of hydrocarbons from shale oil reservoirs via cyclic injection

#115
20210332288
2021-10-28

Use of multiple charged cationic compounds derived from polyamines for clay stabilization in oil and gas operations

#116
20210292636
2021-09-23

Nonionic surfactants employed with extended chain as the oil displacement agent to use in enhanced oil recovery

#117
20210284899
2021-09-16

Systems, methods, and compositions for reservoir stimulation treatment diversion using thermochemicals

#118
20210270117
2021-09-02

Exploiting structure for natural gas hydrate reservoir and exploiting method for natural gas hydrate by injecting hydraulic calcium oxide via gas fracturing

#119
20210253940
2021-08-19

Alkyl alkoxylated carboxylate salts as steam foam additives for heavy oil recovery

#120
20210220784
2021-07-22

Carbon dioxide fluidity control device and method

#121
20210198556
2021-07-01

Enhanced oil recovery method by nanofluid-assisted COhuff-n-puff

#122
20210198555
2021-07-01

Surfactants for oil and gas production

#123
20210180435
2021-06-17

METHODS AND MATERIALS FOR PRODUCING IDENTIFIABLE METHANOGENIC PRODUCTS

#124
20210179925
2021-06-17

Methods for paraffin removal and extended post-primary oil recovery

#125
20210155845
2021-05-27

METHOD FOR REDUCING THE VISCOSITY OF HEAVY OIL FOR EXTRACTION, TRANSPORT IN PIPES, AND CLEANING THEREOF

#126
20210130705
2021-05-06

Enhanced hydroprocessing process with ammonia and carbon dioxide recovery

#127
20210122656
2021-04-29

System and method for using subterranean biological reactors

#128
20210108129
2021-04-15

Energized natural gas foam delivery devices and methods

#129
20210102134
2021-04-08

Enhanced Oil Recovery Streams

#130
20210062638
2021-03-04

Determination of hydrocarbon mobilization potential for enhanced oil recovery

#131
20210062630
2021-03-04

METHODS FOR IMPROVING OIL RECOVERY WITHIN A SUBTERRANEAN FORMATION

#132
20210047905
2021-02-18

IN-SITU PROCESS TO PRODUCE SYNTHESIS GAS FROM UNDERGROUND HYDROCARBON RESERVOIRS

#133
20210040375
2021-02-11

Foaming Agent Composition and Method for Removing Hydrocarbon Liquids from Subterranean Wells

#134
20210032969
2021-02-04

Method for mitigating gas override in an oil reservoir

#135
20210024808
2021-01-28

Oxidizing gasses for carbon dioxide-based fracturing fluids

#136
20210002991
2021-01-07

Methods for pressure protection using a gas

#137
20210002990
2021-01-07

Methods for improving hydrocarbon production from an unconventional subterranean formation

#138
20210002544
2021-01-07

Methods for pressure protection using a foamed pressure protection composition

#139
20200399528
2020-12-24

Stabilized foams with tailored water chemistry for mobility control in gas injection processes

#140
20200392396
2020-12-17

Foaming mixtures and methods of use thereof

#141
20200385630
2020-12-10

Use of liquid natural gas for well treatment operations

#142
20200369949
2020-11-26

3 in 1 foam formulation for enhanced oil recovery including conformance control, ultra-low interfacial tension, and wettability alteration

#143
20200369948
2020-11-26

Method for paraffin inhibiting

#144
20200339866
2020-10-29

Foam solution and preparation thereof used for profile control and plugging in heavy oil thermal recovery process and method of profile control and plugging

#145
20200316515
2020-10-08

Method for syngas separation at hydrogen producing facilities for carbon capture and storage

#146
20200248065
2020-08-06

Foaming mixtures and methods of use thereof

#147
20200224080
2020-07-16

Use of natural gas as a soluble servicing gas during a well intervention operation

#148
20200202060
2020-06-25

Advanced technique for screening enhanced oil recovery and improved oil recovery methodologies for a petroleum reservoir

#149
20200172795
2020-06-04

Stabilized foams with tailored water chemistry for mobility control in gas injection processes

#150
20200172791
2020-06-04

Multifunctional foaming composition with wettability modifying, corrosion inhibitory and mineral scale inhibitory/dispersants properties for high temperature and ultra high salinity

#151
20200165512
2020-05-28

Acidizing and interfacial tension reducing hydrolysable oils for subterranean treatments

#152
20200157406
2020-05-21

Ultra-dry three-phase flue gas foam for oil-gas fields and preparation method thereof

#153
20200140772
2020-05-07

Two column hydrocarbon recovery from carbon dioxide enhanced oil recovery streams

#154
20200140744
2020-05-07

STIMULATING WELLS USING CO2, WATER BLOCK REMOVING AGENTS, AND/OR BREAKERS TO IMPROVE WELL PRODUCTION

#155
20200102490
2020-04-02

Y-grade NGL fluids for enhanced oil recovery

#156
20200102489
2020-04-02

METHODS FOR IMPROVED OR ENHANCED OIL RECOVERY

#157
20200102488
2020-04-02

METHODS FOR IMPROVED OR ENHANCED OIL RECOVERY

#158
20200095494
2020-03-26

Polycarbonate block copolymers

#159
20200095493
2020-03-26

Dual functioning corrosion inhibitor and foaming agent

#160
20200071602
2020-03-05

Use of multiple charged cationic compounds derived from polyamines for clay stabilization in oil and gas operations

#161
20200071601
2020-03-05

Re-crosslinking particle gel for COconformance control and COleakage blocking

#162
20200056089
2020-02-20

Hydrocarbon recovery using complex water and carbon dioxide emulsions

#163
20200040253
2020-02-06

Water treatment schemes for injection water flooding recovery processes in carbonate reservoirs

#164
20200018142
2020-01-16

Polymer flooding processes for viscous oil recovery in carbonate reservoirs

#165
20200010756
2020-01-09

Surfactant for enhanced oil recovery

#166
20190382646
2019-12-19

Low pH crosslinking of polymers

#167
20190380940
2019-12-19

Foam boosting saccharide blend

#168
20190352557
2019-11-21

Hydrocarbon recovery using complex water and carbon dioxide emulsions

#169
20190345374
2019-11-14

Densifying carbon dioxide with a dispersion of carbon dioxide-philic water capsules

#170
20190316029
2019-10-17

Carbon dioxide and polymer compositions for permeability control and sealing

#171
20190284920
2019-09-19

Method for dewatering and operating coal seam gas wells

#172
20190284916
2019-09-19

Methods of utilizing carbon monoxide to increase oil recovery and protect tubulars

#173
20190264118
2019-08-29

Two column hydrocarbon recovery from carbon dioxide enhanced oil recovery streams

#174
20190256763
2019-08-22

Nonionic surfactant compositions for enhanced oil recovery

#175
20190242225
2019-08-08

METHOD FOR EXTRACTING TIGHT OIL BY CONVERTING CARBON DIOXIDE HUFFING-PUFFING TO CARBON DIOXIDE FLOODING

#176
20190241795
2019-08-08

Method of selection of asphaltene precipitant additives and process for subsurface upgrading therewith

#177
20190233718
2019-08-01

Vapor phase deposition of polyhydroxyetheramines on water-sensitive mineralogies

#178
20190233717
2019-08-01

Foam-forming composition for steam assisted oil recovery

#179
20190233712
2019-08-01

Engineering formation wettability characteristics

#180
20190169487
2019-06-06

Stability improvement of foams for enhanced oil recovery applications using polyelectrolytes and polyelectrolyte complex nanoparticles

#181
20190144737
2019-05-16

Pre-flush for oil foamers

#182
20190136119
2019-05-09

Tunable injection fluid based on natural gas liquids, gas, and nanoparticles for improved hydrocarbon recovery

#183
20190119560
2019-04-25

Modified nano-graphite particle three-phase foam profile control and flooding system and preparation method thereof

#184
20190119559
2019-04-25

PREFORMED PARTICLE GEL FOR ENHANCED OIL RECOVERY

#185
20190112905
2019-04-18

Mobile Gas Compression System for Well Stimulation

#186
20190100690
2019-04-04

Composition and method for recovering hydrocarbon fluids from a subterranean reservoir

#187
20190093462
2019-03-28

Using gases and hydrocarbon recovery fluids containing nanoparticles to enhance hydrocarbon recovery

#188
20190085236
2019-03-21

Siloxane surfactant additives for oil and gas applications

#189
20190085235
2019-03-21

METHODS OF ENHANCING OIL RECOVERY

#190
20190071959
2019-03-07

Producing pressurized and heated fluids using a fuel cell

#191
20190055825
2019-02-21

Unconventional reservoir enhanced or improved oil recovery

#192
20190055824
2019-02-21

Systems and methods of optimizing Y-grade NGL enhanced oil recovery fluids

#193
20190017361
2019-01-17

Solvents and NCG-co-injection with tapered pressure

#194
20190016683
2019-01-17

Imidazoline compound, mobility control system, plugging agent for gas channeling, and method for carbon dioxide flooding

#195
20190010382
2019-01-10

Methods of recovering a hydrocarbon material

#196
20190002755
2019-01-03

Chasing solvent for enhanced recovery processes

#197
20180371871
2018-12-27

Methods Of Drawing Out Oils And Fats From Solid Material Using Chlorine Dioxide

#198
20180362832
2018-12-20

Directional drilling and capsule flooding process for recovering hydrocarbons

#199
20180362831
2018-12-20

High pressure capsule-injection process for carbonate reservoirs

#200
20180327658
2018-11-15

Supercritical carbon dioxide emulsified acid

#201
20180320494
2018-11-08

Method of producing heavy oil using a fuel cell

#202
20180320058
2018-11-08

Encapsulated nanocompositions for increasing hydrocarbon recovery

#203
20180320057
2018-11-08

Encapsulated nanocompositions for increasing hydrocarbon recovery

#204
20180305607
2018-10-25

Hydrocarbon recovery using complex water and carbon dioxide emulsions

#205
20180305606
2018-10-25

Hydrocarbon recovery using complex water and carbon dioxide emulsions

#206
20180305605
2018-10-25

Polycarbonate block copolymers

#207
20180273830
2018-09-27

Multifunctional foaming composition with wettability modifying, corrosion inhibitory and mineral scale inhibitory/dispersants properties for high temperature and ultra high salinity

#208
20180266224
2018-09-20

Blowdown method for thermal recovery processes

#209
20180265769
2018-09-20

Use of natural gas as a vaporizing gas in a well intervention operation

#210
20180258341
2018-09-13

Densifying carbon dioxide with a dispersion of carbon dioxide-philic water capsules

#211
20180258339
2018-09-13

High pressure capsule injection process for oil recovery

#212
20180238153
2018-08-23

Use of gaseous phase natural gas as a carrier fluid during a well intervention operation

#213
20180216449
2018-08-02

Blowdown pressure maintenance with foam

#214
20180202272
2018-07-19

Methods of utilizing carbon monoxide to increase oil recovery

#215
20180163118
2018-06-14

Foaming agent composition and method for removing hydrocarbon liquids from subterranean wells

#216
20180149006
2018-05-31

Gas diverter for well and reservoir stimulation

#217
20180148633
2018-05-31

Water treatment schemes for injection water flooding recovery processes in carbonate reservoirs

#218
20180135397
2018-05-17

Gas diverter for well and reservoir stimulation

#219
20180127637
2018-05-10

METHODS OF ENHANCING OIL RECOVERY

#220
20180073337
2018-03-15

Electromagnetic wave concentrated heating and heat-activated chemical reactions of enhanced sensitizers for enhanced oil recovery

#221
20180065891
2018-03-08

CARBON DIOXIDE-RESISTANT PORTLAND BASED CEMENT COMPOSITION

#222
20180058182
2018-03-01

Y-grade NGL fluids for enhanced oil recovery

#223
20180057732
2018-03-01

Unconventional enhanced oil recovery

#224
20180038211
2018-02-08

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

#225
20180037809
2018-02-08

Co-surfactant foam-forming composition for enhanced oil recovery

#226
20180022989
2018-01-25

Treatment fluids comprising anhydrous ammonia for use in subterranean formation operations

#227
20170370196
2017-12-28

System for injecting flue gas to a subterranean formation

#228
20170350221
2017-12-07

METHOD OF SIMULTANEOUS INTRODUCING OF TWO OR MORE THAN TWO CHEMICAL SUBSTANCES AND/OR WATER INTO A SUBTERRANEOUS HYDROCARBON FORMATION AND/OR CONTROL OF THE RATE OF CHEMICAL REACTIONS OF THESE SUBSTANCES, AND A DEVICE FOR IMPLEMENTATION OF THIS METHOD

#229
20170292354
2017-10-12

Miscible solvent assisted gravity drainage

#230
20170292059
2017-10-12

Miscible solvent enhanced oil recovery

#231
20170283689
2017-10-05

Gas diverter for well and reservoir stimulation

#232
20170283688
2017-10-05

Self-sourced reservoir fluid for enhanced oil recovery

#233
20170247604
2017-08-31

PROCESS FOR OIL RECOVERY

#234
20170240800
2017-08-24

Inorganic fine particle reinforced foam system for oil-gas field and preparation method thereof

#235
20170218257
2017-08-03

Fluorosurfactant extraction process for carbonate reservoirs

#236
20170210971
2017-07-27

Low PH crosslinking of polymers

#237
20170198203
2017-07-13

Polycarbonate block copolymers

#238
20170190953
2017-07-06

Surfactant formulations for foam flooding

#239
20170174979
2017-06-22

Suspension for enhanced oil recovery

#240
20170145293
2017-05-25

Light co-solvent compositions

#241
20170114269
2017-04-27

Carbon dioxide and hydrocarbon assisted enhanced oil recovery

#242
20170107422
2017-04-20

OIL RECOVERY METHOD OF RESTRAINING GAS CHANNELING DURING CO2 FLOODING PROCESS IN LOW-PERMEABILITY FRACTURED RESERVOIRS THROUGH TWO-STAGE GAS CHANNELING BLOCKING TECHNOLOGY

#243
20170107421
2017-04-20

Aminosulphonate foam stabilizers

#244
20170101857
2017-04-13

Process and system for producing carbon dioxide for enhanced oil recovery

#245
20170088768
2017-03-30

Densifying carbon dioxide with a dispersion of carbon dioxide-philic water capsules

#246
20170080385
2017-03-23

Systems and methods for separating hydrogen sulfide from carbon dioxide in a high-pressure mixed stream

#247
20170058186
2017-03-02

Oil recovery compositions and methods thereof

#248
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

#249
20170044884
2017-02-16

Enhanced oil recovery processes

#250
20170044425
2017-02-16

Stability improvement of COfoam for enhanced oil recovery applications using polyelectrolytes and polyelectrolyte complex nanoparticles

#251
20170044422
2017-02-16

Modified nonionic surfactant formulations for enhanced oil recovery

#252
20170015894
2017-01-19

METHOD FOR CO2-FLOODING USING ALK(EN)YL POLYGLUCOSIDES

#253
20160376882
2016-12-29

Gas diverter for well and reservoir stimulation

#254
20160347990
2016-12-01

Foam-forming surfactant compositions

#255
20160304772
2016-10-20

Supercritical carbon dioxide emulsified acid

#256
20160299118
2016-10-13

METHOD FOR ANALYSIS OF TRACE LEVELS OF CHEMICAL ADDITIVES IN OIL RECOVERY PRODUCTION FLUIDS

#257
20160298022
2016-10-13

Encapsulated nanocompositions for increasing hydrocarbon recovery

#258
20160297934
2016-10-13

Thickening compositions, and related materials and processes

#259
20160289539
2016-10-06

Oil recovery processes at high salinity carbonate reservoirs

#260
20160265328
2016-09-15

Alkali metal silicides for high temperature wettability improvement in carbonate reservoirs

#261
20160258263
2016-09-08

Solar Calciner Enhanced Oil Recovery

#262
20160257879
2016-09-08

Foam assisted liquid removal using alcohol ether sulfonates

#263
20160245060
2016-08-25

Use of alkali metal silicides in post-chops oilfield recovery operations

#264
20160237798
2016-08-18

Nonionic surfactants for enhanced crude oil recovery

#265
20160230080
2016-08-11

VISCOUS CARBON DIOXIDE COMPOSITION AND METHOD OF MAKING AND USING A VISCOUS CARBON DIOXIDE COMPOSITION

#266
20160230062
2016-08-11

Methods and systems for sequestering carbon dioxide in a subterranean formation

#267
20160200962
2016-07-14

Aliphatic polycarbonate-based surface active agents

#268
20160200961
2016-07-14

Volatile surfactant treatment for subterranean formations

#269
20160177171
2016-06-23

Multifunctional foaming composition with wettability modifying, corrosion inhibitory and mineral scale inhibitory/dispersants properties for high temperature and ultra high salinity

#270
20160160116
2016-06-09

Hydrocarbon recovery using complex water and carbon dioxide emulsions

#271
20160160115
2016-06-09

Volatile surfactant treatment for use in subterranean formation operations

#272
20160102538
2016-04-14

Three-phase method for injecting carbon dioxide into oil reservoirs

#273
20160083643
2016-03-24

ENHANCED OIL RECOVERY METHOD EMPLOYING A BIODEGRADABLE BRINE TOLERANT FOAM-FORMING COMPOSITION

#274
20160083642
2016-03-24

Low temperature stabilized foam-forming composition for enhanced oil recovery

#275
20160075932
2016-03-17

Foamed fluid compositions having high salinity using anionic surfactants and methods therefor

#276
20160053594
2016-02-25

Method for COEOR and storage and use thereof

#277
20160009981
2016-01-14

ENHANCED OIL RECOVERY PROCESS TO INJECT LOW-SALINITY WATER ALTERNATING SURFACTANT-GAS IN OIL-WET CARBONATE RESERVOIRS

#278
20150345268
2015-12-03

APPLICATIONS OF ULTRA-LOW VISCOSITY FLUIDS TO STIMULATE ULTRA-TIGHT HYDROCARBON-BEARING FORMATIONS

#279
20150344770
2015-12-03

SYSTEM AND METHOD FOR PRODUCING CARBON DIOXIDE FOR USE IN HYDROCARBON RECOVERY

#280
20150322333
2015-11-12

Composition and method for recovering hydrocarbon fluids from a subterranean reservoir

#281
20150322332
2015-11-12

Subterranean well treatment system

#282
20150307660
2015-10-29

Polycarbonate block copolymers

#283
20150247392
2015-09-03

Systems and methods for the treatment of oil and/or gas wells with a polymeric material

#284
20150218920
2015-08-06

Methods of pre-flushing reservoir paths for higher return of hydrocarbon fluids

#285
20150198027
2015-07-16

Anti-retention agent in steam-solvent oil recovery

#286
20150175876
2015-06-25

METHOD AND FOAM COMPOSITION FOR RECOVERING HYDROCARBONS FROM A SUBTERRANEAN RESERVOIR

#287
20150166878
2015-06-18

Mobility Control Fluid Composition Comprising Amine Oxide Compound and Enhanced Oil Recovery Method Using the Same

#288
20150148268
2015-05-28

Foamers for downhole injection

#289
20150136397
2015-05-21

METHOD AND COMPOSITION FOR ENHANCED OIL RECOVERY BASED ON SUPERCRITICAL CARBON DIOXIDE AND A NONIONIC SURFACTANT

#290
20150129208
2015-05-14

CALCINER ENHANCED OIL RECOVERY

#291
20150114635
2015-04-30

Process for in situ upgrading of a heavy hydrocarbon using asphaltene precipitant additives

#292
20150101815
2015-04-16

Formulations and methods for removing hydrocarbons from surfaces

#293
20150096755
2015-04-09

COMPOSITIONS COMPRISING CARBON DIOXIDE AND REVERSE MICELLES AND METHODS OF USE

#294
20150090442
2015-04-02

Chemical based well kickoff system for naturally flowing wells

#295
20150068751
2015-03-12

Siloxane surfactant additives for oil and gas applications

#296
20150060075
2015-03-05

Oil recovery process

#297
20150060068
2015-03-05

Electrophilic acid gas-reactive fluid, proppant, and process for enhanced fracturing and recovery of energy producing materials

#298
20140262297
2014-09-18

Foamers for liquid removal

#299
20140262255
2014-09-18

Methods for improving the sweep efficiency of gas injection

#300
20140251618
2014-09-11

Method to improve conformance control in carbon dioxide flooding