ClassID:

104339

C09K8/68 - 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; Compositions for forming crevices or fractures; Compositions based on water or polar solvents containing organic compounds

Sub-classes:
Recent Application in this class:
#1
20260146196
2026-05-28

IONIC LIQUID MONOMER FOR SYNTHESIS OF FRICTION REDUCER AND METHODS THEREOF

#2
20260139184
2026-05-21

BRINE-TOLERANT COMPOSITIONS COMPRISING FATTY ACID OR FATTY ESTER REACTION PRODUCTS OF SACCHARIDE POLYMERS

#3
20260103634
2026-04-16

METHOD OF HYDRAULIC FRACTURING UTILIZING A HYDRAULIC FRACTURING FLUID WITH A SINGLE PHASE LIQUID PROPPANT

#4
20260098204
2026-04-09

INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCONVENTIONAL FORMATIONS

#5
20260078065
2026-03-19

PROPPANT PARTICLES FORMED FROM SLURRY DROPLETS AND METHODS OF USE

#6
20260055314
2026-02-26

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

#7
20260035491
2026-02-05

SHEAR-RESISTANT, HIGH-DRAG-REDUCING, HIGH-VISCOSITY SLICKWATER DRAG REDUCING AGENT AND PREPARATION METHOD THEREFOR

#8
20260015541
2026-01-15

Treating Flowback Emulsions

#9
20250382518
2025-12-18

COKE PROPPANT PARTICLES COATED WITH FRICTION REDUCER, METHODS FOR MAKING SUCH PARTICLES, AND HYDRAULIC FRACTURING PROCESSES UTILIZING SUCH PARTICLES

#10
20250376616
2025-12-11

METHOD AND COMPOSITIONS FOR DRAG REDUCER IN DOWNHOLE APPLICATIONS

#11
20250354063
2025-11-20

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

#12
20250354052
2025-11-20

ULTRA HIGH ACTIVITY SLURRY FOR HYDRAULIC FRACTURING

#13
20250346802
2025-11-13

HIGH STABILITY POLYMER COMPOSITIONS FOR ENHANCED OIL RECOVERY APPLICATIONS

#14
20250340775
2025-11-06

COMPOSITIONS AND METHODS FOR IMPROVING THERMAL AND BRINE STABILITY OF NANOPARTICLES

#15
20250305399
2025-10-02

FORMATE SLICKWATER FLUIDS AND METHODS FOR USE THEREOF FOR CARBON STORAGE IN CONJUNCTION WITH A STIMULATION OPERATION

#16
20250304853
2025-10-02

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

#17
20250297154
2025-09-25

COMPOSITION AND METHOD FOR IMPROVING THE PRODUCTION OF PETROLEUM HYDROCARBONS

#18
20250270440
2025-08-28

LOW CONCENTRATION SYNTHETIC POLYMER FRACTURING FLUID WITH ASCORBIC ACID

#19
20250263507
2025-08-21

POLYMER OF 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID AND USE THEREOF

#20
20250250480
2025-08-07

RECYCLING CHELATING AGENTS AND METHODS RELATED THERETO

#21
20250236548
2025-07-24

BIOMINERALIZATION OF PRODUCED WATER

#22
20250223489
2025-07-10

BRINE-TOLERANT COMPOSITIONS COMPRISING FATTY ACID OR FATTY ESTER REACTION PRODUCTS OF SACCHARIDE POLYMERS

#23
20250171681
2025-05-29

GLYCOSYL HYDROLASE ENZYMES IN HIGH TEMPERATURE INDUSTRIAL PROCESSES

#24
20250154401
2025-05-15

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

#25
20250136488
2025-05-01

Extended- and Multimodal-Release Compositions

#26
20250092303
2025-03-20

VISCOELASTIC SURFACTANT FORMULATIONS AND USE IN SUBTERRANEAN FORMATIONS

#27
20250066661
2025-02-27

INVERTING PACKAGES, EMULSIONS, AND METHODS

#28
20250035527
2025-01-30

MODELING OPTIMIZED FRICTION REDUCING COMPOSITIONS FOR DOWNHOLE FLUID COMPOSITIONS AND METHODS OF MAKING AND USING

#29
20250019587
2025-01-16

SURFACTANT COMPOSITION

#30
20250011642
2025-01-09

METHOD FOR STIMULATING INJECTION WELLS USING REDUCING AGENTS

#31
20240425748
2024-12-26

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

#32
20240409805
2024-12-12

DEGRADABLE FRICTION REDUCER FOR HYDRAULIC FRACTURING TREATMENTS

#33
20240409803
2024-12-12

CHEMICAL COMPOSITIONS FOR GEOTHERMAL WELL STIMULATION

#34
20240392653
2024-11-28

AUTONOMOUS CHEMICAL TREATMENT SYSTEM AND METHOD FOR DRILLING AND COMPLETION RIGS

#35
20240384159
2024-11-21

DISPERSION OF WATER-SOLUBLE POLYMER FOR HYDRAULIC FRACTURING

#36
20240376242
2024-11-14

POLYMER, THICKENING AGENT, AND PREPARATION METHOD THEREFOR

#37
20240336831
2024-10-10

Liquid suspension composition for wellbore operations, and methods of making and using same

#38
20240327699
2024-10-03

Instant soluble temperature and salt resistant polyacrylamide and the preparation method and application thereof

#39
20240327698
2024-10-03

INJECTION FLUIDS FOR STIMULATING FRACTURED FORMATIONS

#40
20240301201
2024-09-12

PROCESS FOR MANUFACTURING PARTICLES COMPRISING POLYLACTIC ACID

#41
20240294823
2024-09-05

Low surface tension surfactant system for enhancing flow-back performance

#42
20240279532
2024-08-22

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

#43
20240271032
2024-08-15

INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCONVENTIONAL FORMATIONS

#44
20240263201
2024-08-08

BIOLOGICAL METHOD FOR OBTAINING MONOMERS COMPRISING AN ETHYLENIC UNSATURATION BY BIOCONVERSION OF A BIO-SOURCED COMPOUND COMPRISING AT LEAST ONE NITRILE FUNCTION

#45
20240262786
2024-08-08

METHOD FOR OBTAINING BIO-SOURCED SUSBTITUTED ALKYL(METH)ACRYLAMIDE

#46
20240247182
2024-07-25

FRACTURING METHODS USING TAGGED POLYMERS

#47
20240246868
2024-07-25

PROPPANT PARTICLES FORMED FROM SLURRY DROPLETS AND METHODS OF USE

#48
20240239933
2024-07-18

METHOD FOR OBTAINING A BIO-SOURCED-MONOMER FROM RENEWABLE DIMETHYLAMINOETHANOL

#49
20240228863
2024-07-11

INJECTION AND HYDRAULIC FRACTURING FLUIDS CONTAINING ZWITTERIONIC SURFACTANTS AND RELATED METHODS

#50
20240228862
2024-07-11

Composition and Method for Improving the Production of Petroleum Hydrocarbons

#51
20240199946
2024-06-20

Multifunctional Slickwater Fracturing Fluid

#52
20240199944
2024-06-20

Fracturing Fluid with Superior Proppant Transport Capability

#53
20240191127
2024-06-13

VISCOELASTIC SURFACTANT FORMULATIONS AND USE IN SUBTERRANEAN FORMATIONS

#54
20240182780
2024-06-06

Lignin-based fracturing fluids and related methods

#55
20240159131
2024-05-16

Method of Enhancing Foam Stability for Stimulation of Low Pressure Reservoirs

#56
20240150641
2024-05-09

METHOD OF HYDRAULIC FRACTURING UTILIZING A HYDRAULIC FRACTURING FLUID WITH A SINGLE PHASE LIQUID PROPPANT

#57
20240141225
2024-05-02

Polyester diverting agents for low-temperature oil wells

#58
20240132774
2024-04-25

INJECTION AND HYDRAULIC FRACTURING FLUIDS CONTAINING ZWITTERIONIC SURFACTANTS AND RELATED METHODS

#59
20240110094
2024-04-04

POLYMER COMPOSITIONS AND FRACTURING FLUIDS MADE THEREFROM INCLUDING A MIXTURE OF CATIONIC AND ANIONIC HYDRATABLE POLYMERS AND METHODS FOR MAKING AND USING SAME

#60
20240110093
2024-04-04

SYNERGISTIC SYSTEMS FOR BREAKING POLYMER VISCOSIFIED FLUIDS

#61
20240085300
2024-03-14

APPARATUS AND METHOD FOR DETERMINING THE STATIC PROPPANT-SETTLING-VELOCITY IN FRACTURING FLUIDS

#62
20240084192
2024-03-14

FLOWBACK AID FOR FRACTURING FLUIDS

#63
20240084191
2024-03-14

HYDRAULIC FRACTURING WITH DENSITY-TUNABLE AQUEOUS HEAVY FRACTURING FLUIDS

#64
20240084190
2024-03-14

EMULSIONS INCLUDING POLYMERS, TREATMENT FLUIDS INCLUDING EMULSIONS, AND METHODS FOR TREATING SUBTERRANEAN FORMATIONS

#65
20240052234
2024-02-15

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

#66
20240043741
2024-02-08

Degradable friction reducer for hydraulic fracturing treatments

#67
20240043740
2024-02-08

Degradable friction reducer for hydraulic fracturing treatments

#68
20240043738
2024-02-08

ADDITIVES AND METHODS, COMPOSITIONS AND USES RELATING THERETO

#69
20240018848
2024-01-18

Autonomous chemical treatment system and method for drilling and completion rigs

#70
20240018412
2024-01-18

VISCOSIFYING FRICTION REDUCERS

#71
20230407164
2023-12-21

Water-Based Anionic Friction Reducer

#72
20230392070
2023-12-07

ULTRA HIGH ACTIVITY SLURRY FOR HYDRAULIC FRACTURING

#73
20230392067
2023-12-07

Enhancing friction reduction and protection of wellbore equipment during hydraulic fracturing

#74
20230383174
2023-11-30

Viscoelastic-Surfactant Fracturing Fluids Having Oxidizer

#75
20230374373
2023-11-23

Method and composition to enhance the performance of encapsulated breakers

#76
20230348773
2023-11-02

IONIC LIQUID MONOMER FOR SYNTHESIS OF FRICTION REDUCER AND METHODS THEREOF

#77
20230332041
2023-10-19

COMPOSITIONS AND METHODS FOR IMPROVING THERMAL AND BRINE STABILITY OF NANOPARTICLES

#78
20230332037
2023-10-19

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

#79
20230323194
2023-10-12

FOAM STABILIZATION USING NANOPARTICLES

#80
20230272259
2023-08-31

Drilling fluid additives and fracturing fluid additives containing cellulose nanofibers and/or nanocrystals

#81
20230272258
2023-08-31

Ionic liquid monomer for synthesis of friction reducer and methods thereof

#82
20230257644
2023-08-17

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

#83
20230227713
2023-07-20

MULTICOMPONENT NANOCAPSULES FOR ENHANCED OIL RECOVERY

#84
20230203227
2023-06-29

Supramolecular star-shaped polymer with beta-CD as core and preparation method

#85
20230193119
2023-06-22

Method of hydraulic fracturing utilizing a hydraulic fracturing fluid with a single phase liquid proppant

#86
20230183578
2023-06-15

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

#87
20230183577
2023-06-15

POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF

#88
20230183559
2023-06-15

Glycosyl hydrolase enzymes in high temperature industrial processes

#89
20230167353
2023-06-01

Polyanionic surfactants and methods of making and using thereof

#90
20230160293
2023-05-25

CONVERSION OF CARBON DIOXIDE CAPTURED FROM FRACTURING OPERATION TO FORMIC ACID USED IN FRACTURING FLUID

#91
20230159815
2023-05-25

Composition and methods for enhancing the production of hydrocarbons

#92
20230147740
2023-05-11

Diverting agent and method of filling fracture in well using the same

#93
20230138419
2023-05-04

Method for fracking subterranean geological formation with surfactant-containing fluid

#94
20230087372
2023-03-23

Polymer dispersion system for use in a hydraulic fracturing operation

#95
20230086463
2023-03-23

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#96
20230083037
2023-03-16

Process fluid with environmentally friendly biostabilisator

#97
20230073762
2023-03-09

Process for prevention and remediation of subterranean-formed metal-polymer complexes

#98
20230071272
2023-03-09

PROPPANT PARTICLES FORMED FROM SLURRY DROPLETS AND METHODS OF USE

#99
20230069858
2023-03-09

Composition and method for improving the production of petroleum hydrocarbons

#100
20230060530
2023-03-02

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

#101
20230058884
2023-02-23

Degradable friction reducer for hydraulic fracturing treatments

#102
20230035268
2023-02-02

NANOEMULSIONS FOR USE IN SUBTERRANEAN FRACTURING TREATMENTS

#103
20230019003
2023-01-19

Friction reducers for high TDS brines

#104
20230017258
2023-01-19

Polymer dispersions for oilfield friction reduction

#105
20220403227
2022-12-22

Multicomponent nanocapsules for enhanced oil recovery

#106
20220389304
2022-12-08

Methods of using olefin sulfonates

#107
20220380663
2022-12-01

Enhancement Of Friction Reducer Performance In Hydraulic Fracturing

#108
20220372363
2022-11-24

Compositions for use in oil and gas operations

#109
20220348820
2022-11-03

Crosslinked proppant-gel matrix

#110
20220348819
2022-11-03

Flow control in subterranean wells

#111
20220340809
2022-10-27

Synergistic enhancement of slickwater fracturing fluids

#112
20220333003
2022-10-20

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

#113
20220332680
2022-10-20

Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid

#114
20220298894
2022-09-22

Salting out inhibitors for use in treatment fluids

#115
20220290039
2022-09-15

Viscoelastic-surfactant fracturing fluids having oxidizer

#116
20220289672
2022-09-15

Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid

#117
20220259487
2022-08-18

COMPOSITIONS AND METHODS USING CHLORATE TO BREAK POLYACRYLAMIDE

#118
20220251441
2022-08-11

Polyester diverting agents for low-temperature oil wells

#119
20220243119
2022-08-04

Methods of ensuring and enhancing conductivity in micro-fractures

#120
20220243016
2022-08-04

Aqueous formulations

#121
20220220367
2022-07-14

Salt tolerant friction reducer

#122
20220220366
2022-07-14

Reactive hydraulic fracturing fluid

#123
20220220365
2022-07-14

Reactive hydraulic fracturing fluid

#124
20220220364
2022-07-14

Decreasing proppant embedment with amine-functionalized polysaccharides

#125
20220186105
2022-06-16

Substituted alkanolamine scale inhibitor

#126
20220185711
2022-06-16

Synthetic Acid and Associated Methods

#127
20220177774
2022-06-09

Stabilized friction reducer emulsions

#128
20220169917
2022-06-02

Subterranean placement of lignocellulosic materials

#129
20220162383
2022-05-26

Silane-Functionalized Polyalkyleneimine Clay Stabilizer for Treatment of Subterranean Formations

#130
20220145741
2022-05-12

Methods and systems for treating hydraulically fractured formations

#131
20220127523
2022-04-28

POLYMERIC SYSTEMS HAVING ENHANCED VISCOSITY AND PROPPANT TRANSPORT PROPERTIES

#132
20220127518
2022-04-28

HIGH STABILITY POLYMER COMPOSITIONS FOR ENHANCED OIL RECOVERY APPLICATIONS

#133
20220106515
2022-04-07

Compositions for enhanced oil recovery

#134
20220098470
2022-03-31

Methods for use in oil and gas operations

#135
20220081610
2022-03-17

Flow Constraint Material and Slurry Compositions

#136
20220081609
2022-03-17

Composition and method for improving the production of petroleum hydrocarbons

#137
20220073812
2022-03-10

DILUTED MICROEMULSIONS WITH LOW SURFACE TENSIONS

#138
20220064518
2022-03-03

Friction reducer compositions

#139
20220049154
2022-02-17

Rapid reversal of wettability of subterranean formations

#140
20220041917
2022-02-10

Polymer dispersions for wax inhibition during stimulation treatment

#141
20220025750
2022-01-27

Material and method of controlled energy deposition

#142
20220024790
2022-01-27

Synthetic Acid and Associated Methods

#143
20220017816
2022-01-20

Controlling the formation of polymer-metal complexes in wellbore operations

#144
20220017814
2022-01-20

COATED PROPPANTS

#145
20220003092
2022-01-06

Upconverting nanoparticles as tracers for production and well monitoring

#146
20220002615
2022-01-06

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

#147
20220002609
2022-01-06

Drilling fluid additives and fracturing fluid additives containing cellulose nanofibers and/or nanocrystals

#148
20210403801
2021-12-30

Proppant with enhanced interparticle bonding

#149
20210388257
2021-12-16

Methods for fracturing a subterranean formation by using flow constraint material

#150
20210388256
2021-12-16

Process of fracturing subterranean formations

#151
20210380871
2021-12-09

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

#152
20210371729
2021-12-02

Enhancement Of Friction Reducer Performance In Hydraulic Fracturing

#153
20210363413
2021-11-25

Diverting agent and method of filling fracture in well using the same

#154
20210363412
2021-11-25

DIVERTING AGENT AND METHOD OF FILLING FRACTURE IN WELL USING SAME

#155
20210363411
2021-11-25

Diverting agent and method of filling fracture in well using same

#156
20210363409
2021-11-25

Enhanced friction reducers for water-based fracturing fluids

#157
20210363402
2021-11-25

COMPOSITION AND METHOD FOR WATER AND GAS SHUT-OFF IN SUBTERRANEAN FORMATIONS

#158
20210355373
2021-11-18

Self propping surfactant for well stimulation

#159
20210347924
2021-11-11

Process for producing an aqueous polyacrylamide concentrate

#160
20210340431
2021-11-04

Aqueous fracturing fluid composition and fracturing process using the composition

#161
20210332288
2021-10-28

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

#162
20210324259
2021-10-21

Polymer compositions and fracturing fluids made therefrom including a mixture of cationic and anionic hydratable polymers and methods for making and using same

#163
20210324124
2021-10-21

Multiblock copolymer and method of making thereof

#164
20210317362
2021-10-14

Method to hydraulically fracture a well

#165
20210317361
2021-10-14

Methods and systems for use of quaternary ammonium organosilanes in oil and gas hydraulic fracking

#166
20210301195
2021-09-30

Water-based friction reducing additives

#167
20210292638
2021-09-23

Breaker System for Emulsified Fluid System

#168
20210292635
2021-09-23

Reduction of breakdown pressure by filter cake removal using thermochemicals

#169
20210277301
2021-09-09

Fracturing fluid composition and method for in situ generation of geomimetic crystal network proppants

#170
20210277300
2021-09-09

Hydraulic fracking fluid for generating proppants in situ and fracking method with proppant generation in situ

#171
20210277151
2021-09-09

Processes for producing nanocellulose, and nanocellulose compositions produced therefrom

#172
20210275978
2021-09-09

Polymer dispersion system for use in a hydraulic fracturing operation

#173
20210269705
2021-09-02

Enhancing propped fracture conductivity in subterranean wells

#174
20210269704
2021-09-02

STIMULATION FLUIDS CONTAINING METAL SILICATES

#175
20210261855
2021-08-26

Friction reducing additives including nanoparticles

#176
20210253942
2021-08-19

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

#177
20210246768
2021-08-12

Salting out inhibitors for use in treatment fluids

#178
20210238471
2021-08-05

Hydrocarbon formation treatment micellar solutions

#179
20210230474
2021-07-29

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

#180
20210230473
2021-07-29

Clay control additive for wellbore fluids

#181
20210222053
2021-07-22

Methods and Compositions for Use in Oil and Gas Operations

#182
20210222044
2021-07-22

Processes for producing high-viscosity compounds as rheology modifiers, and compositions produced therefrom

#183
20210221919
2021-07-22

Nanolignocellulose compositions and processes to produce these compositions

#184
20210214602
2021-07-15

Compositions and methods for controlling migration of particulates

#185
20210207464
2021-07-08

Polymer blends for stimulation of oil and gas wells

#186
20210207021
2021-07-08

Foamed treatment fluids comprising nanoparticles

#187
20210198563
2021-07-01

Oil field chemical-carrying material and process for making the same

#188
20210198559
2021-07-01

Viscoelastic-surfactant fracturing fluids having oxidizer

#189
20210198558
2021-07-01

Reactive hydraulic fracturing fluid

#190
20210198177
2021-07-01

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

#191
20210189854
2021-06-24

Material and method of controlled energy deposition

#192
20210189223
2021-06-24

Breaking a fracturing fluid to prop a fracture in a subterranean formation

#193
20210171822
2021-06-10

In situ H2S scavenger additive generation

#194
20210163816
2021-06-03

Polymer dispersions for oilfield friction reduction

#195
20210155847
2021-05-27

Ultra high activity slurry for hydraulic fracturing

#196
20210155846
2021-05-27

Multifunctional friction reducers

#197
20210148191
2021-05-20

Method of using delayed hydratable polymeric viscosifying agent in the treatment of a well or subterranean formation

#198
20210147746
2021-05-20

Formulations and methods

#199
20210147741
2021-05-20

Emulsions, treatment fluids and methods for treating subterranean formations

#200
20210140293
2021-05-13

Method for temporary isolation of well interval, method for hydraulic refracturing, and method for well killing

#201
20210139766
2021-05-13

Decreasing proppant embedment with amine-functionalized polysaccharides

#202
20210130680
2021-05-06

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#203
20210130679
2021-05-06

Water-soluble polymer slurry for fracturing fluids

#204
20210123333
2021-04-29

Methods of using energized well treating fluids

#205
20210115316
2021-04-22

Temperature stability of polyols and sugar alcohols in brines

#206
20210102113
2021-04-08

Betaine surfactants containing an unsaturated fatty tail and methods thereof

#207
20210095190
2021-04-01

Rotary steerable drilling tool and method

#208
20210095186
2021-04-01

Crosslinked proppant-gel matrix

#209
20210095185
2021-04-01

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

#210
20210095184
2021-04-01

Injection fluids comprising an anionic surfactant for treating unconventional formations

#211
20210079291
2021-03-18

Screening method for friction reducer precipitation

#212
20210071059
2021-03-11

Cationic and anionic shale inhibitors and clay stabilizers

#213
20210062070
2021-03-04

Process for prevention and remediation of subterranean-formed metal-polymer complexes

#214
20210054109
2021-02-25

Process for Making and Using a Composition of Matter

#215
20210040378
2021-02-11

Penetrating compositions with reduced cloud point for acidizing applications

#216
20210024814
2021-01-28

Oxidizers for carbon dioxide-based fracturing fluids

#217
20210024812
2021-01-28

Organic salts of oxidizing anions as energetic materials

#218
20210017445
2021-01-21

Carbonate reservoir filtration-loss self-reducing acid

#219
20210009891
2021-01-14

Enzyme-encapsulated hydrogel nanoparticles for hydraulic fracturing fluid cleanup

#220
20200408064
2020-12-31

Flow control in subterranean wells

#221
20200407480
2020-12-31

Amphiphilic block polymers soluble in strongly saline medium

#222
20200399531
2020-12-24

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

#223
20200399530
2020-12-24

Aqueous delayed acid system for well stimulation

#224
20200399529
2020-12-24

Viscosifying friction reducers

#225
20200397093
2020-12-24

Boosters for breakers containing iron compounds

#226
20200392395
2020-12-17

Viscoelastic fluids and methods of use

#227
20200392391
2020-12-17

Sugar-based surfactant for well treatment fluids

#228
20200392271
2020-12-17

ASSOCIATIVE POLYMER STRUCTURES AND METHODS OF USE THEREOF

#229
20200377788
2020-12-03

Polyamine polyethers as nonemulsifier components

#230
20200377449
2020-12-03

Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid

#231
20200370404
2020-11-26

Foam from low cost petroleum sulfonate surfactants for fracturing along with wettability alteration

#232
20200369953
2020-11-26

Methods of ensuring and enhancing conductivity in micro-fractures

#233
20200369952
2020-11-26

Method of hydraulic fracturing utilizing a hydraulic fracturing fluid with a single phase liquid proppant

#234
20200369950
2020-11-26

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

#235
20200369811
2020-11-26

Process for producing aqueous polyacrylamide solutions

#236
20200354623
2020-11-12

Crystallization suppressant combinations for high density clear brine fluids

#237
20200354310
2020-11-12

Recyclable clean fracturing fluid thickener, preparation method and recovery method thereof, and high-temperature resistant clean fracturing fluid

#238
20200347287
2020-11-05

Methods and thermally stable aqueous borate-based cross-linking suspensions for treatment of subterranean formations

#239
20200347286
2020-11-05

Methods and compositions for reducing corrosivity of aqueous fluids

#240
20200347155
2020-11-05

PROCESS FOR PRODUCING HYDROPHOBICALLY ASSOCIATING POLYACRYLAMIDES

#241
20200339868
2020-10-29

Composition and methods for enhancing the production of hydrocarbons

#242
20200332638
2020-10-22

Methods of suspending proppants in hydraulic fracturing fluid

#243
20200325386
2020-10-15

Process for Using a Composition of Matter

#244
20200325044
2020-10-15

Synthetic acid and associated methods

#245
20200317993
2020-10-08

Injection fluids for stimulating fractured formations

#246
20200317992
2020-10-08

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

#247
20200316544
2020-10-08

QUATERNIZED ALKOXYLATED POLYMER SURFACTANT

#248
20200299560
2020-09-24

Treatment methods using aqueous fluids containing oil-soluble treatment agents

#249
20200291221
2020-09-17

Polymer compositions having fast hydration rate and use of the same for particle suspension

#250
20200283678
2020-09-10

Tracking production of oil, gas, and water from subterranean formation by adding soluble tracers coated onto solid particulate

#251
20200283677
2020-09-10

Degradable diversion material having a urea compound

#252
20200283676
2020-09-10

Tri-cationic viscoelastic surfactant, preparation method and application thereof and clean fracturing fluid

#253
20200283336
2020-09-10

Hydrating swellable clays

#254
20200270513
2020-08-27

Pre-processed fiber flocks and methods of use thereof

#255
20200270508
2020-08-27

Sequenced polymers for monitoring the filtrate and the rheology

#256
20200255656
2020-08-13

DEGRADATION-PROMOTED POLYMER AND METHOD FOR MAKING THEREOF

#257
20200231866
2020-07-23

Use of composites having coating of reaction product of silicates and polyacrylic acid

#258
20200224321
2020-07-16

Alkylsulfonic acid compositions

#259
20200224086
2020-07-16

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#260
20200224085
2020-07-16

Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry

#261
20200224084
2020-07-16

Micro-aggregates and microparticulates for use in subterranean formation operations

#262
20200224081
2020-07-16

Ethoxylated amines for use in subterranean formations

#263
20200216750
2020-07-09

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

#264
20200216749
2020-07-09

Siloxane surfactant additives for oil and gas applications

#265
20200208046
2020-07-02

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

#266
20200208043
2020-07-02

Additives for eliminating fracturing fluids used for oil extraction

#267
20200199443
2020-06-25

POLYMERIC SYSTEMS FOR PARTICLE DISPERSION

#268
20200199439
2020-06-25

Method to produce a scale inhibitor

#269
20200190399
2020-06-18

Self propping surfactant for well stimulation

#270
20200190397
2020-06-18

Friction reducer for hydraulic fracturing

#271
20200190396
2020-06-18

Geochemically-driven wettability modification for subterranean surfaces

#272
20200181481
2020-06-11

Formulations and methods

#273
20200181480
2020-06-11

Alkyl polyglycoside surfactants for use in subterranean formations

#274
20200172796
2020-06-04

Diverting agent and method of filling fracture in well using the same

#275
20200140746
2020-05-07

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

#276
20200131894
2020-04-30

Upconverting nanoparticles as tracers for production and well monitoring

#277
20200131433
2020-04-30

Compositions of hydraulic fracturing fluid and method thereof

#278
20200123436
2020-04-23

Fracturing method using low-viscosity fluid with low proppant settling rate

#279
20200123435
2020-04-23

Brine resistant silica sol

#280
20200115621
2020-04-16

Methods for hydrocarbon recovery

#281
20200102492
2020-04-02

Nanosized particulates for downhole applications

#282
20200102487
2020-04-02

Fulvic acid well treatment fluid

#283
20200095853
2020-03-26

Methods for reducing condensation

#284
20200095492
2020-03-26

Leak-off control in acid stimulation using dissolvable material

#285
20200087186
2020-03-19

Method for treating a suspension of solid particles in water using a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropanesulfonic acid

#286
20200079992
2020-03-12

Enhanced oil recovery method using a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid

#287
20200079989
2020-03-12

Additives to reduce the crystallization temperature of brines and methods of use

#288
20200071603
2020-03-05

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

#289
20200071602
2020-03-05

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

#290
20200063021
2020-02-27

Compositions and methods for delayed crosslinking in hydraulic fracturing fluids

#291
20200056090
2020-02-20

Lightweight micro-proppant

#292
20200056087
2020-02-20

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

#293
20200048536
2020-02-13

Downhole methods for forming resin coatings on fracture surfaces

#294
20200048535
2020-02-13

Fracturing fluid comprising a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropane sulphonic acid and hydraulic fracturing method

#295
20200048534
2020-02-13

Breaker Fluids and Methods of Use Thereof

#296
20200048533
2020-02-13

Buffered friction reducer for subterranean operations

#297
20200032133
2020-01-30

Salt-tolerant, fast-dissolving, water-soluble rheology modifiers

#298
20200031765
2020-01-30

Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid

#299
20200024508
2020-01-23

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

#300
20200024497
2020-01-23

Salt tolerant friction reducer