ClassID:

104330

C09K8/602 - 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 stimulating production by acting on the underground formation containing surfactants

Sub-classes:
Recent Application in this class:
#1
20260132330
2026-05-14

HIGH-TEMPERATURE FOAM FRACTURING FLUID WITH SYNTHETIC POLYMER

#2
20260098204
2026-04-09

INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCONVENTIONAL FORMATIONS

#3
20260062604
2026-03-05

INFUSED AND COATED PROPPANT CONTAINING CHEMICAL TREATMENT AGENTS AND METHODS OF USING SAME

#4
20260055314
2026-02-26

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

#5
20260049242
2026-02-19

EMULSIFIED ACID SYSTEM FOR DRAG REDUCTION IN SUBTERRANEAN WELLS

#6
20260042948
2026-02-12

SURFACTANT COMPOSITION FOR DIRECT EMULSION DRILLING FLUID

#7
20260015540
2026-01-15

EMULSIFIER COMPOSITIONS, AND RELATED METHODS AND WELLBORE FLUIDS INCLUDING THE EMULSIFIER COMPOSITIONS

#8
20260008954
2026-01-08

SINGLE-PHASE RETARDED ACID SYSTEMS USING AMINO ACIDS

#9
20250361436
2025-11-27

METHOD OF FABRICATING SURFACTANT FOR IMPROVING THE RECOVERY RATE OF OIL RESERVOIRS IN LOW-PERMEABILITY SANDSTONE

#10
20250354055
2025-11-20

THERMOCHEMICAL FLUIDS FOR HYDROCARBON OPERATIONS

#11
20250340775
2025-11-06

COMPOSITIONS AND METHODS FOR IMPROVING THERMAL AND BRINE STABILITY OF NANOPARTICLES

#12
20250314165
2025-10-09

ACID STIMULATION OF CARBONATE FORMATION WITH CARBON DIOXIDE-RESPONSIVE DIVERTING AGENT

#13
20250304853
2025-10-02

BIOLOGICAL SLICKWATER FLUIDS AND METHODS OF USE THEREOF IN CONJUNCTION WITH SUBTERRANEAN OPERATIONS

#14
20250297154
2025-09-25

COMPOSITION AND METHOD FOR IMPROVING THE PRODUCTION OF PETROLEUM HYDROCARBONS

#15
20250289990
2025-09-18

COMPOSITIONS AND METHODS FOR IRON CHELATION

#16
20250283399
2025-09-11

HYDRAULIC FRACTURING WITH OPTIMIZED FRICTION REDUCER

#17
20250250479
2025-08-07

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

#18
20250154401
2025-05-15

REDUCED-POLYMER-LOADING, HIGH-TEMPERATURE FRACTURING FLUIDS AND METHODS AND SYSTEMS RELATED THERETO

#19
20250122421
2025-04-17

COMPOSITIONS AND METHODS FOR PRESSURE PROTECTION

#20
20250115806
2025-04-10

DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#21
20250115805
2025-04-10

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#22
20250092303
2025-03-20

VISCOELASTIC SURFACTANT FORMULATIONS AND USE IN SUBTERRANEAN FORMATIONS

#23
20250059434
2025-02-20

EMULSIONS CONTAINING WATER-SOLUBLE ACID RETARDING AGENTS AND METHODS OF MAKING AND USING

#24
20250019587
2025-01-16

SURFACTANT COMPOSITION

#25
20250011644
2025-01-09

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#26
20250011643
2025-01-09

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#27
20240425748
2024-12-26

Reduced-polymer-loading, high-temperature fracturing fluids and methods and systems related thereto

#28
20240425747
2024-12-26

Wellbore treatment fluids comprising an amphiphilic hyperbranched copolymer

#29
20240400890
2024-12-05

DIALKYL AND CYCLIC CARBONATE-DERIVED SOLVENT FORMULATIONS FOR CHEMICAL APPLICATIONS IN MITIGATING CONDENSATE BANKING

#30
20240384158
2024-11-21

COMPOSITIONS AND METHODS FOR FOAM STIMULATION

#31
20240368971
2024-11-07

VISCOELASTIC SURFACTANTS FOR ACID DIVERSION IN DOWNHOLE OPERATIONS

#32
20240336832
2024-10-10

Propoxylates for foam enhancement

#33
20240327698
2024-10-03

INJECTION FLUIDS FOR STIMULATING FRACTURED FORMATIONS

#34
20240309266
2024-09-19

SINGLE-PHASE ALCOHOL-BASED RETARDED ACID

#35
20240301277
2024-09-12

Methods for Stimulating a Hydrocarbon-bearing Formation by Perforating a Wellbore and Introducing an Acidic Composition in the Wellbore

#36
20240279533
2024-08-22

DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#37
20240279532
2024-08-22

INJECTION FLUIDS COMPRISING A NON-IONIC SURFACTANT FOR TREATING UNCONVENTIONAL FORMATIONS

#38
20240271034
2024-08-15

SINGLE-PHASE RETARDED ACID SYSTEMS USING AMINO ACIDS

#39
20240271032
2024-08-15

INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCONVENTIONAL FORMATIONS

#40
20240254383
2024-08-01

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#41
20240240074
2024-07-18

COMPOSITIONS FOR STIMULATION OPERATIONS

#42
20240228862
2024-07-11

Composition and Method for Improving the Production of Petroleum Hydrocarbons

#43
20240191129
2024-06-13

WATER-BASED FRICTION-REDUCING SLURRY COMPOSITIONS, FORMATION TREATING FLUIDS THEREFROM, AND METHOD FOR MAKING AND USING SAME

#44
20240191128
2024-06-13

Methods for Stimulating a Hydrocarbon-bearing Formation by Perforating a Wellbore and Introducing an Acidic Composition in the Wellbore

#45
20240191127
2024-06-13

VISCOELASTIC SURFACTANT FORMULATIONS AND USE IN SUBTERRANEAN FORMATIONS

#46
20240183261
2024-06-06

ACID CLEANING SYSTEM AND METHOD

#47
20240182780
2024-06-06

Lignin-based fracturing fluids and related methods

#48
20240166942
2024-05-23

Friction reducers for dissolved solids tolerance

#49
20240159131
2024-05-16

Method of Enhancing Foam Stability for Stimulation of Low Pressure Reservoirs

#50
20240158689
2024-05-16

SYNERGISTIC COMBINATION OF SURFACTANTS WITH FRICTION REDUCERS

#51
20240150640
2024-05-09

Formulation for the recovery of hydrocarbons including a surfactant system

#52
20240133279
2024-04-25

Viscoelastic surfactants for acid diversion in downhole operations

#53
20240124763
2024-04-18

Stimulation of Wells in Nano-Darcy Shale Formations

#54
20240084192
2024-03-14

FLOWBACK AID FOR FRACTURING FLUIDS

#55
20240068019
2024-02-29

Microbial Products and Their Use in Bioremediation and to Remove Paraffin and Other Contaminating Substances from Oil and Gas Production and Processing Equipment

#56
20240067870
2024-02-29

Friction reducers for dissolved solids tolerance

#57
20240052234
2024-02-15

USE OF A BORATE-ACID BUFFER IN OIL AND GAS OPERATIONS

#58
20240043738
2024-02-08

ADDITIVES AND METHODS, COMPOSITIONS AND USES RELATING THERETO

#59
20240043454
2024-02-08

Modified lecithin for asphalt applications

#60
20240034826
2024-02-01

DRAG REDUCING AGENT AND PROCESS OF MANUFACTURE THEREOF

#61
20240010906
2024-01-11

ACID STIMULATION METHODS

#62
20230399562
2023-12-14

Infused and coated proppant containing chemical treatment agents and methods of using same

#63
20230357629
2023-11-09

Inverting surfactants for inverse emulsions

#64
20230332041
2023-10-19

COMPOSITIONS AND METHODS FOR IMPROVING THERMAL AND BRINE STABILITY OF NANOPARTICLES

#65
20230272263
2023-08-31

Compositions and Methods for Paraffin Liquefaction and Enhanced Oil Recovery Using Concentrated Acids

#66
20230257645
2023-08-17

Emulsions containing water-soluble acid retarding agents and methods of making and using

#67
20230194497
2023-06-22

Method for determining foam stability in a core plug

#68
20230184075
2023-06-15

METHOD TO ACCELERATE ACID REACTIVITY DURING RESERVOIR STIMULATION

#69
20230183562
2023-06-15

Compositions and methods for pressure protection

#70
20230183553
2023-06-15

COMPOSITIONS AND METHODS FOR IRON CHELATION

#71
20230167353
2023-06-01

Polyanionic surfactants and methods of making and using thereof

#72
20230159815
2023-05-25

Composition and methods for enhancing the production of hydrocarbons

#73
20230151496
2023-05-18

Corrosion inhibition package

#74
20230151267
2023-05-18

Wellbore servicing fluid and methods of making and using same

#75
20230125900
2023-04-27

Method for fracking of simulation of hydrocarbon bearing formation

#76
20230120003
2023-04-20

Methods for stimulating a hydrocarbon-bearing formation by perforating a wellbore and introducing an acidic composition in the wellbore

#77
20230084576
2023-03-16

Compositions and methods for pressure protection

#78
20230081029
2023-03-16

Organic acid surfactant booster for contaminant removal

#79
20230079788
2023-03-16

Organic acid surfactant booster for contaminant removal from hydrocarbon-containing stream

#80
20230069858
2023-03-09

Composition and method for improving the production of petroleum hydrocarbons

#81
20230060530
2023-03-02

Compositions and methods using subterranean treatment fluids comprising water-soluble polymers

#82
20230043923
2023-02-09

Aqueous retarded acid treatment composition for well stimulation

#83
20230035268
2023-02-02

NANOEMULSIONS FOR USE IN SUBTERRANEAN FRACTURING TREATMENTS

#84
20230034895
2023-02-02

Methods for stimulating hydrocarbon-bearing formations

#85
20230023003
2023-01-26

Viscoelastic surfactant-based treatment fluids for use with lost circulation materials

#86
20220372365
2022-11-24

Methods of improving, optimizing, or maximizing proppant suspension during formation fracturing

#87
20220372363
2022-11-24

Compositions for use in oil and gas operations

#88
20220372361
2022-11-24

Olefin sulfonate compositions

#89
20220363981
2022-11-17

Methods for stimulating hydrocarbon-bearing formations

#90
20220340808
2022-10-27

Viscoelastic surfactant fluid composition, and method of using the same

#91
20220333003
2022-10-20

Use of a borate-acid buffer in oil and gas operations

#92
20220298404
2022-09-22

Processing produced fluids for fluid recovery

#93
20220290040
2022-09-15

Using acidic balls for acid stimulation in carbonate reservoirs

#94
20220290031
2022-09-15

AQUEOUS FOAM COMPOSITIONS AND METHODS OF MAKING AND USING THEREOF

#95
20220281900
2022-09-08

Modified lecithin for asphalt applications

#96
20220275268
2022-09-01

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

#97
20220195286
2022-06-23

Acid stimulation methods

#98
20220195098
2022-06-23

Drag reducing agent and process of manufacture thereof

#99
20220186107
2022-06-16

THICKENER FOR WELLBORE ACID TREATMENT LIQUID AND WELLBORE ACID TREATMENT LIQUID USING SAME

#100
20220177774
2022-06-09

Stabilized friction reducer emulsions

#101
20220169918
2022-06-02

Enhancing foam stability using allium sativum oil

#102
20220135870
2022-05-05

Stimulation of wells in nano-darcy shale formations

#103
20220127523
2022-04-28

POLYMERIC SYSTEMS HAVING ENHANCED VISCOSITY AND PROPPANT TRANSPORT PROPERTIES

#104
20220106515
2022-04-07

Compositions for enhanced oil recovery

#105
20220098470
2022-03-31

Methods for use in oil and gas operations

#106
20220081609
2022-03-17

Composition and method for improving the production of petroleum hydrocarbons

#107
20220073813
2022-03-10

Infused and coated proppant containing chemical treatment agents and methods of using same

#108
20220073812
2022-03-10

DILUTED MICROEMULSIONS WITH LOW SURFACE TENSIONS

#109
20220073811
2022-03-10

Colloidal disperse system suitable for phase inversion to stimulate hydrocarbon production wells

#110
20220049156
2022-02-17

Methods for spotting acid in a wellbore

#111
20220049154
2022-02-17

Rapid reversal of wettability of subterranean formations

#112
20220041922
2022-02-10

Methods for delaying in situ acid generation for acid delivery to a site

#113
20220033705
2022-02-03

Anionic-cationic-nonionic surfactant, production and use thereof

#114
20220025247
2022-01-27

METHODS FOR HYDROCARBON RECOVERY USING ALKOXYLATE EMULSIONS

#115
20220025246
2022-01-27

Hydrocarbon based carrier fluid

#116
20220002615
2022-01-06

Compositions and methods using subterranean treatment fluids comprising water-soluble polymers

#117
20220002610
2022-01-06

Stable high solids slurry compositions

#118
20210380872
2021-12-09

EMULSIONS CONTAINING WATER-SOLUBLE ACID RETARDING AGENTS AND METHODS OF MAKING AND USING

#119
20210380871
2021-12-09

Methods and compositions using a combination of zwitterionic surfactants and gemini surfactants as diversion agents

#120
20210363409
2021-11-25

Enhanced friction reducers for water-based fracturing fluids

#121
20210363407
2021-11-25

Microbial products and their use in bioremediation and to remove paraffin and other contaminating substances from oil and gas production and processing equipment

#122
20210355374
2021-11-18

ENHANCING FOAM STABILITY USING ALLIUM SATIVUM OIL

#123
20210355373
2021-11-18

Self propping surfactant for well stimulation

#124
20210355371
2021-11-18

Viscoelastic surfactants for self-diverting acid under high temperature and preparation method

#125
20210348048
2021-11-11

Microemulsions And Uses Thereof

#126
20210340435
2021-11-04

METHODS AND COMPOSITIONS FOR STIMULATING THE PRODUCTION OF HYDROCARBONS FROM SUBTERRANEAN FORMATIONS

#127
20210340431
2021-11-04

Aqueous fracturing fluid composition and fracturing process using the composition

#128
20210317359
2021-10-14

Corrosion inhibitor compositions and methods of use in acid stimulation operations

#129
20210292638
2021-09-23

Breaker System for Emulsified Fluid System

#130
20210284901
2021-09-16

Composition and Method for Breaking Friction Reducing Polymer for Well Fluids

#131
20210284898
2021-09-16

Demulsifier compositions for treatment of subterranean formations and produced oil

#132
20210284896
2021-09-16

Formulation for the recovery of hydrocarbons including a surfactant system

#133
20210277758
2021-09-09

Method and materials for hydraulic fracturing with delayed crosslinking of gelling agents

#134
20210277299
2021-09-09

Compositions And Methods For Treating Subterranean Formations

#135
20210261855
2021-08-26

Friction reducing additives including nanoparticles

#136
20210254444
2021-08-19

Method of selectively treating a bottom hole region of a formation for intensifying oil production

#137
20210253942
2021-08-19

CHEMICAL ADDITIVES AND SURFACTANT COMBINATIONS FOR FAVORABLE ALTERATION OF HYDROCARBON PROPERTIES AND IMPROVED HYDROCARBON RECOVERY FACTORS

#138
20210246767
2021-08-12

Steeply-inclined ultra-thick coal seam gas control method based on binary composite liquid

#139
20210238472
2021-08-05

Methods for clay swelling inhibition using gemini surfactants containing a saturated linker

#140
20210230478
2021-07-29

PARTICULATE COMPOSITIONS CONTAINING OIL FIELD CHEMICALS

#141
20210230476
2021-07-29

Methods for stimulating a hydrocarbon-bearing formation by perforating a wellbore and introducing and acidic composition in the wellbore

#142
20210230474
2021-07-29

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#143
20210230470
2021-07-29

Reservoir emplacement of rheologically tuned and timed nanoparticle emulsions

#144
20210222057
2021-07-22

Emulsifer with high temperature resistance, low viscosity and low corrosiveness, and emulsified acid system comprising same

#145
20210214603
2021-07-15

Oil-based slurries and methods for making

#146
20210198557
2021-07-01

Systems and processes for improved drag reduction estimation and measurement

#147
20210198177
2021-07-01

Methods and compositions incorporating alkyl polyglycoside surfactant for use in oil and/or gas wells

#148
20210189855
2021-06-24

Use of sulfonic acids in downhole methods

#149
20210189229
2021-06-24

TRACER FOR USE IN A SUBTERRANEAN WELL

#150
20210189224
2021-06-24

Omniphobic emulsions for mitigating gas condensate banking and methods of making and using same

#151
20210122969
2021-04-29

Reverse emulsion for hydraulic fracturation

#152
20210122968
2021-04-29

Surfactants for enhanced oil recovery

#153
20210095190
2021-04-01

Rotary steerable drilling tool and method

#154
20210095185
2021-04-01

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

#155
20210095184
2021-04-01

Injection fluids comprising an anionic surfactant for treating unconventional formations

#156
20210047558
2021-02-18

Defoaming composition comprising a tall-oil-derived surfactant

#157
20210040378
2021-02-11

Penetrating compositions with reduced cloud point for acidizing applications

#158
20210040374
2021-02-11

Processing produced fluids for fluid recovery

#159
20210002991
2021-01-07

Methods for pressure protection using a gas

#160
20210002990
2021-01-07

Methods for improving hydrocarbon production from an unconventional subterranean formation

#161
20210002544
2021-01-07

Methods for pressure protection using a foamed pressure protection composition

#162
20210002543
2021-01-07

Multi-functional surfactant solution for improving hydrocarbon recovery

#163
20210002444
2021-01-07

Methods for foam stimulation

#164
20200399531
2020-12-24

Composition and method for improving performance of friction reducing polymers in high dissolved solids water

#165
20200392399
2020-12-17

Omniphobic emulsions for mitigating gas condensate banking and methods of making and using same

#166
20200392395
2020-12-17

Viscoelastic fluids and methods of use

#167
20200377788
2020-12-03

Polyamine polyethers as nonemulsifier components

#168
20200369950
2020-11-26

METHODS AND COMPOSITIONS FOR STIMULATING THE PRODUCTION OF HYDROCARBONS FROM SUBTERRANEAN FORMATIONS

#169
20200369945
2020-11-26

Acid sensitive emulsifier for use in subterranean treatment operations

#170
20200339868
2020-10-29

Composition and methods for enhancing the production of hydrocarbons

#171
20200332638
2020-10-22

Methods of suspending proppants in hydraulic fracturing fluid

#172
20200332177
2020-10-22

Methods and compositions for use in oil and/or gas wells

#173
20200317993
2020-10-08

Injection fluids for stimulating fractured formations

#174
20200317992
2020-10-08

Injection fluids comprising a non-ionic surfactant for treating unconventional formations

#175
20200317703
2020-10-08

Modified lecithin for asphalt applications

#176
20200308475
2020-10-01

Oleofuransulfonate surfactants for use in wellbore applications

#177
20200291290
2020-09-17

Fluids containing cellulose fibers and cellulose nanoparticles for oilfield applications

#178
20200270510
2020-08-27

Microemulsion flowback aids for oilfield uses

#179
20200263080
2020-08-20

Downhole methods

#180
20200239763
2020-07-30

Microemulsion flowback recovery compositions and methods for making and using same

#181
20200239762
2020-07-30

METHOD FOR EXTRACTING PETROLEUM FROM UNDERGROUND DEPOSITS HAVING HIGH TEMPERATURE AND SALINITY

#182
20200224321
2020-07-16

Alkylsulfonic acid compositions

#183
20200224082
2020-07-16

Stimulation of wells in nano-darcy shale formations

#184
20200224081
2020-07-16

Ethoxylated amines for use in subterranean formations

#185
20200216750
2020-07-09

Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive

#186
20200208046
2020-07-02

Compositions of and methods for using hydraulic fracturing fluid for petroleum production

#187
20200208043
2020-07-02

Additives for eliminating fracturing fluids used for oil extraction

#188
20200190399
2020-06-18

Self propping surfactant for well stimulation

#189
20200190396
2020-06-18

Geochemically-driven wettability modification for subterranean surfaces

#190
20200190393
2020-06-18

Olefinic Ester Compositions and Their Use in Remediating Wax Buildup in Oil- and Gas-Related Applications

#191
20200172792
2020-06-04

Use of organic acids or a salt thereof in surfactant-based enhanced oil recovery formulations and techniques

#192
20200157416
2020-05-21

OIL-BASED FLUID COMPOSITIONS WITH ENHANCED ELECTRICAL CONDUCTIVITY

#193
20200157415
2020-05-21

PROPPANT TREATMENT AND ENHANCED WATER IMBIBITION IN TIGHT SUBTERRANEAN FORMATIONS BY USING DENDRIMERS

#194
20200157412
2020-05-21

METHODS AND COMPOSITIONS FOR STIMULATING THE PRODUCTION OF HYDROCARBONS FROM SUBTERRANEAN FORMATIONS

#195
20200148942
2020-05-14

Compositions and methods for delayed crosslinking in hydraulic fracturing fluids

#196
20200148941
2020-05-14

Compositions providing consolidation and water-control

#197
20200140746
2020-05-07

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#198
20200123886
2020-04-23

Optimized foam application for hydrocarbon well stimulation

#199
20200115623
2020-04-16

Water-in-oil hydraulic fracturing fluid and method of using such

#200
20200071603
2020-03-05

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

#201
20200062982
2020-02-27

Ink additives for improving dry time and printhead dehydration performance

#202
20200056087
2020-02-20

Use of a borate-acid buffer in oil and gas operations

#203
20200048533
2020-02-13

Buffered friction reducer for subterranean operations

#204
20200032400
2020-01-30

Corrosion inhibition package

#205
20200024508
2020-01-23

Methods and treatment fluids for microfracture creation and microproppant delivery in subterranean formations

#206
20200024501
2020-01-23

Rheology modifier for subterranean treatment fluids

#207
20200024497
2020-01-23

Salt tolerant friction reducer

#208
20200017758
2020-01-16

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#209
20200017757
2020-01-16

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#210
20200017756
2020-01-16

Compositions and methods for treating subterranean formations

#211
20200017750
2020-01-16

Fluids For Fracking Of Paraffinic Oil Bearing Formations

#212
20200010755
2020-01-09

Method for enhancing fluid recovery from subsurface reservoirs

#213
20200010593
2020-01-09

Surfactant responsive emulsion polymerization micro-gels

#214
20190352558
2019-11-21

Rotary steerable drilling tool and method

#215
20190345807
2019-11-14

Methods for stimulating hydrocarbon-bearing formations

#216
20190330516
2019-10-31

Anionic-cationic-nonionic surfactant, production and use thereof

#217
20190316027
2019-10-17

Solid formulations suitable for oilfield applications

#218
20190316021
2019-10-17

Methods and compositions for use in oil and/or gas wells

#219
20190315674
2019-10-17

Methods and compositions incorporating alkyl polyglycoside surfactant for use in oil and/or gas wells

#220
20190309216
2019-10-10

Multi-functional surfactant solution for improving hydrocarbon recovery

#221
20190284467
2019-09-19

Diluted microemulsions with low surface tensions

#222
20190277123
2019-09-12

Method for treating fractured subterranean formations with controlled solids setting in wellbore

#223
20190264094
2019-08-29

METHODS AND COMPOSITIONS FOR USE IN OIL AND/OR GAS WELLS COMPRISING A TERPENE ALCOHOL

#224
20190264093
2019-08-29

Olefinic ester compositions and their use in stimulating hydrocarbon production from a subterranean formation

#225
20190242229
2019-08-08

NANOEMULSIONS FOR USE IN SUBTERRANEAN FRACTURING TREATMENTS

#226
20190233716
2019-08-01

Methods for preparing an aqueous surfactant-polymer solution

#227
20190233715
2019-08-01

Compositions for use in oil and gas operations

#228
20190211254
2019-07-11

Hydrophobized nanoparticles as breaker for viscoelastic surfactant gelled fluids

#229
20190203103
2019-07-04

Method of mineral oil production

#230
20190202941
2019-07-04

Phosphonated polysaccharides and gels and process for making same

#231
20190194526
2019-06-27

Surfactant flowback aids for use in subterranean formation operations

#232
20190177600
2019-06-13

Flash point adjustment of wettability alteration chemicals in hydrocarbon solvents

#233
20190169492
2019-06-06

Methods and compositions for stimulating the production of hydrocarbons from subterranean formations

#234
20190169488
2019-06-06

Methods and compositions for stimulating the production of hydrocarbons from subterranean formations

#235
20190153305
2019-05-23

Method of using Sophorolipids in well treatment operations

#236
20190144742
2019-05-16

Friction reducers and well treatment fluids

#237
20190128791
2019-05-02

Processes and systems for characterizing and optimizing fracturing fluids

#238
20190119563
2019-04-25

Determining residual friction reducer concentrations for subterranean treatment fluids

#239
20190119549
2019-04-25

A New Anti-Foaming Composition

#240
20190112522
2019-04-18

Aqueous-based epoxy resin microemulsion

#241
20190100689
2019-04-04

Compositions and methods for enhancement of production of liquid and gaseous hydrocarbons

#242
20190093007
2019-03-28

Methods and compositions for treating a subterranean formation with a polymeric additive composite

#243
20190063201
2019-02-28

Method of fracturing with delayed crosslinking of gelling agents

#244
20190062621
2019-02-28

Methods of controlling viscosity of acids

#245
20190062618
2019-02-28

Methods for determining an optimal surfactant structure for oil recovery

#246
20190055828
2019-02-21

SYSTEMS AND METHODS OF OPTIMIZING Y-GRADE NGL FRACTURING FLUIDS

#247
20190055461
2019-02-21

Systems and methods of optimizing Y-Grade NGL unconventional reservoir stimulation fluids

#248
20190055459
2019-02-21

Compositions comprising aromatic compounds for use in oil and/or gas wells and related methods

#249
20190040304
2019-02-07

Alkyl unsaturated fatty acid ester oil as a oil component in the formulation and application of surfactant flowback aids for subterranean stimulation

#250
20190032463
2019-01-31

Remedial treatment of wells with voids behind casing

#251
20190031949
2019-01-31

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#252
20190031948
2019-01-31

Methods and compositions for stimulating the production of hydrocarbons from subterranean formations using emulsions comprising terpene

#253
20190031947
2019-01-31

Olefinic ester compositions and their use in stimulating hydrocarbon production from a subterranean formation

#254
20190016943
2019-01-17

Surfactant for enhanced oil recovery

#255
20180362842
2018-12-20

HEAVY OIL WETTABILITY IMPROVER

#256
20180362839
2018-12-20

In situ generation of pH control agents

#257
20180362837
2018-12-20

Terpolymer compositions

#258
20180355240
2018-12-13

Systems and methods for breaking friction reducers in-situ

#259
20180346798
2018-12-06

Nanosurfactants for improved and enhanced oil recovery applications

#260
20180327653
2018-11-15

Demulsifier compositions for treatment of subterranean formations and produced oil

#261
20180327651
2018-11-15

Methods for determining an optimal surfactant structure for oil recovery

#262
20180320060
2018-11-08

Surfactant compositions for treatment of subterranean formations and produced oil

#263
20180312745
2018-11-01

Compositions for enhanced oil recovery

#264
20180305601
2018-10-25

Methods and compositions for use in oil and/or gas wells

#265
20180291256
2018-10-11

Methods of treating subterranean formations including sequential use of at least two surfactants

#266
20180282616
2018-10-04

AQUEOUS DOWNHOLE FLUIDS HAVING POLYMERS AND CHARGED NANOPARTICLES

#267
20180282615
2018-10-04

System and methods for delivery of multiple highly interactive stimulation treatments in single dose and single pumping stage

#268
20180282611
2018-10-04

METHODS AND COMPOSITIONS FOR STIMULATING THE PRODUCTION OF HYDROCARBONS FROM SUBTERRANEAN FORMATIONS

#269
20180273826
2018-09-27

Conveyance of ambient-reactive subterranean formation additives to downhole locations

#270
20180244982
2018-08-30

Diversion acid containing a water-soluble retarding agent and methods of making and using

#271
20180244981
2018-08-30

On the fly mixing of acids and diversion fluids with water-soluble retarding agents

#272
20180244980
2018-08-30

Emulsions containing water-soluble acid retarding agents and methods of making and using

#273
20180237688
2018-08-23

Infused and coated proppant containing chemical treatment agents and methods of using same

#274
20180237685
2018-08-23

Micro-proppant fracturing fluid compositions for enhancing complex fracture network performance

#275
20180230361
2018-08-16

DRY LIQUID CONCENTRATE SLURRIES FOR HYDRAULIC FRACTURING OPERATIONS

#276
20180215992
2018-08-02

Delayed breaker for viscoelastic surfactant-based fluids

#277
20180201829
2018-07-19

Microemulsion flowback recovery compositions and methods for making and using same

#278
20180201821
2018-07-19

Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid

#279
20180201635
2018-07-19

Modified lecithin for asphalt applications

#280
20180171215
2018-06-21

Composition of an organic foaming additive for high temperature and high salinity

#281
20180171213
2018-06-21

Methods and compositions for use in oil and/or gas wells

#282
20180155613
2018-06-07

Stimulation of wells in nano-darcy shale formations

#283
20180155612
2018-06-07

Treatment fluids comprising weakly emulsifying surfactants and associated methods

#284
20180134949
2018-05-17

Hydrophobic coating of particulates for enhanced well productivity

#285
20180134941
2018-05-17

Methods and compositions for use in oil and/or gas wells comprising microemulsions with terpene, silicone solvent, and surfactant

#286
20180118995
2018-05-03

Methods and compositions for use in oil and/or gas wells

#287
20180118994
2018-05-03

Esteramides and subterranean treatment fluids containing said esteramides

#288
20180100097
2018-04-12

Surfactant assisted oil recovery using alcohol ether sulfonates and cationic surfactants

#289
20180100094
2018-04-12

Salt tolerant friction reducer

#290
20180086961
2018-03-29

Delayed-release additives in a degradable matrix

#291
20180066178
2018-03-08

Compositions of and methods for using hydraulic fracturing fluid for petroleum production

#292
20180057733
2018-03-01

Methods and compositions for stimulating the production of hydrocarbons from subterranean formations

#293
20180051201
2018-02-22

Sulfosuccinate surfactant compositions and methods using the same

#294
20180044573
2018-02-15

Method of fracking using silicone surfactants

#295
20180044572
2018-02-15

Flowback aid for fracturing fluids

#296
20180037792
2018-02-08

Methods and compositions for use in oil and/or gas wells

#297
20180030340
2018-02-01

Methods of preparing treatment fluids comprising anhydrous ammonia for use in subterranean formation operations

#298
20180016488
2018-01-18

Compositions and methods for delayed crosslinking in hydraulic fracturing fluids

#299
20180016486
2018-01-18

CROSSLINKED FLUID TREATMENT AND METHODS FOR FRACTURING UNDERGROUND FORMATIONS BASED ON FLOWBACK, PRODUCTION WATER, SEAWATER, FRESH WATER, AND MIXTURES OF SAME

#300
20180010038
2018-01-11

Foam forming compositions comprising a particulate inorganic material