ClassID:

104346

C09K8/74 - 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; Eroding chemicals, e.g. acids combined with additives added for specific purposes

Sub-classes:
Recent Application in this class:
#1
20260139184
2026-05-21

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

#2
20260098204
2026-04-09

INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCONVENTIONAL FORMATIONS

#3
20260078655
2026-03-19

METHOD TO IMPROVE CARBON CAPTURE AND STORAGE

#4
20260071533
2026-03-12

TREATMENT FLUID SELECTION

#5
20260049242
2026-02-19

EMULSIFIED ACID SYSTEM FOR DRAG REDUCTION IN SUBTERRANEAN WELLS

#6
20260042956
2026-02-12

METHOD FOR SINGLE-STAGE TREATMENT OF SILICEOUS SUBTERRANEAN FORMATIONS

#7
20260022289
2026-01-22

CORROSION INHIBITOR COMPOSITIONS FOR REDUCING CORROSION, AND RELATED METHODS OF OPERATING A WELLBORE

#8
20260008954
2026-01-08

SINGLE-PHASE RETARDED ACID SYSTEMS USING AMINO ACIDS

#9
20250388805
2025-12-25

COMPOSITIONS FOR STIMULATION OPERATIONS

#10
20250388804
2025-12-25

Acidizing Fluid with Foam Stabilizing Agent Comprising Antimony Compound

#11
20250314165
2025-10-09

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

#12
20250270441
2025-08-28

ENHANCED TREATMENT OF KEROGEN WITH FORMATE-BASED SLICKWATER FLUIDS

#13
20250263597
2025-08-21

NOVEL CORROSION INHIBITION PACKAGE

#14
20250250480
2025-08-07

RECYCLING CHELATING AGENTS AND METHODS RELATED THERETO

#15
20250243740
2025-07-31

METHODS FOR ENHANCING THE PERMEABILITY OF REACTIVE ROCK RESERVOIRS

#16
20250243402
2025-07-31

SLOW REACTING ACIDIZING COMPOSITIONS AND METHODS

#17
20250243401
2025-07-31

FOAMED ACID SYSTEM STABILIZED BY TWO DIMENSIONAL-GRAPHENE AND SURFACTANT COMPOSITE FOR FRACTURING APPLICATION

#18
20250237138
2025-07-24

TRACER COMPOSITIONS

#19
20250237137
2025-07-24

TRACER COMPOSITIONS

#20
20250237132
2025-07-24

METHOD FOR SINGLE-STAGE TREATMENT OF SILICEOUS SUBTERRANEAN FORMATIONS

#21
20250223489
2025-07-10

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

#22
20250215308
2025-07-03

TREATMENT FLUIDS HAVING OIL-SOLUBLE DRAG REDUCING AGENTS FOR WELLBORE OPERATIONS

#23
20250163314
2025-05-22

TREATMENT FLUIDS FOR ACID STIMULATION OPERATIONS AND METHODS RELATED THERETO

#24
20250122421
2025-04-17

COMPOSITIONS AND METHODS FOR PRESSURE PROTECTION

#25
20250115806
2025-04-10

DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#26
20250115805
2025-04-10

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#27
20250059435
2025-02-20

SINGLE-PHASE RETARDED ACID BASED ON AN AMPHOTERIC SURFACTANT

#28
20250059434
2025-02-20

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

#29
20250051635
2025-02-13

FRICTION REDUCTION OF ACIDIC TREATMENT FLUIDS

#30
20250011644
2025-01-09

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#31
20250011643
2025-01-09

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#32
20240400889
2024-12-05

FOAMED ACID SYSTEM STABILIZED BY TWO DIMENSIONAL-GRAPHENE AND SURFACTANT COMPOSITE FOR FRACTURING APPLICATION

#33
20240384161
2024-11-21

Drag reducing agent for emulsified acids

#34
20240376373
2024-11-14

Delayed Acid System and Method of Using the Same

#35
20240360356
2024-10-31

SINGLE-PHASE RETARDED ACID SYSTEMS USING AMINO ACIDS

#36
20240352306
2024-10-24

TREATMENT OF SUBTERRANEAN FORMATIONS

#37
20240352305
2024-10-24

METHOD FOR ENGINEERED GEOTHERMAL SYSTEM TREATMENT USING BRINES

#38
20240336830
2024-10-10

AQUEOUS SOLUTION AND METHOD FOR USE THEREOF

#39
20240327698
2024-10-03

INJECTION FLUIDS FOR STIMULATING FRACTURED FORMATIONS

#40
20240318068
2024-09-26

FORMULATIONS FOR CORROSION INHIBITION

#41
20240309266
2024-09-19

SINGLE-PHASE ALCOHOL-BASED RETARDED ACID

#42
20240301277
2024-09-12

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

#43
20240279535
2024-08-22

Calcareous rock stimulation method

#44
20240279534
2024-08-22

Acid injection and fracturing method for porous subterranean geological formation

#45
20240279533
2024-08-22

DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#46
20240279532
2024-08-22

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

#47
20240271034
2024-08-15

SINGLE-PHASE RETARDED ACID SYSTEMS USING AMINO ACIDS

#48
20240271033
2024-08-15

Downhole rock treatment method with corrosion inhibition

#49
20240271032
2024-08-15

INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCONVENTIONAL FORMATIONS

#50
20240271029
2024-08-15

MODIFIED SILICA NANOPARTICLE AND METHODS OF SYNTHESIS

#51
20240271028
2024-08-15

METHODS FOR PREVENTING OR MITIGATING WELLBORE SCREEN OUT CONDITIONS USING ACID BLENDS

#52
20240254383
2024-08-01

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#53
20240240074
2024-07-18

COMPOSITIONS FOR STIMULATION OPERATIONS

#54
20240228865
2024-07-11

COLLOIDAL GAS APHRON-CONTAINING ACID BASED MATRIX ACIDIZING OR FRACTURE ACIDIZING FLUID, AND METHODS OF STIMULATING HYDROCARBONS IN A SUBTERRANEAN FORMATION THEREWITH

#55
20240191128
2024-06-13

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

#56
20240183261
2024-06-06

ACID CLEANING SYSTEM AND METHOD

#57
20240159135
2024-05-16

Method for single-stage acid treatment of siliceous subterranean formations

#58
20240018411
2024-01-18

Amphiphilic block copolymer surfactant for attenuating acid reactivity during acid stimulation of carbonate rich reservoirs

#59
20230366296
2023-11-16

Methods for transporting scale removal agents into a well

#60
20230323189
2023-10-12

Solvent mixtures for downhole elemental sulfur removal and formation stimulation

#61
20230272266
2023-08-31

MODIFIED ACID COMPOSITIONS

#62
20230257645
2023-08-17

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

#63
20230227714
2023-07-20

Corrosion inhibiting acid mixture containing monoamine / diamine and method of inhibiting corrosion in acid treatment

#64
20230220271
2023-07-13

Acidizing treatment fluid for delayed acidification in the oil field industry

#65
20230220266
2023-07-13

Method for engineered geothermal system treatment using brines

#66
20230212453
2023-07-06

Salt of monochloroacetic acid with acid for delayed acidification in the oil field industry

#67
20230212452
2023-07-06

Acidizing retarder compositions and methods of reducing a rate of carbonate dissolution using the same

#68
20230203364
2023-06-29

AQUEOUS SOLUTION AND METHOD FOR USE THEREOF

#69
20230184075
2023-06-15

METHOD TO ACCELERATE ACID REACTIVITY DURING RESERVOIR STIMULATION

#70
20230183562
2023-06-15

Compositions and methods for pressure protection

#71
20230183552
2023-06-15

Foamed scale removal and inhibition method for subterranean formation

#72
20230151496
2023-05-18

Corrosion inhibition package

#73
20230144861
2023-05-11

METHOD FOR UNIFORMIZATION OF FLOW FOR STIMULATION OPERATIONS

#74
20230137416
2023-05-04

Amphiphilic block copolymer surfactant for attenuating acid reactivity during acid stimulation of carbonate rich reservoirs

#75
20230132051
2023-04-27

Coupling agents for use in corrosion inhibiting compositions

#76
20230130247
2023-04-27

Corrosion inhibitor

#77
20230125900
2023-04-27

Method for fracking of simulation of hydrocarbon bearing formation

#78
20230120003
2023-04-20

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

#79
20230100987
2023-03-30

FORMULATIONS FOR CORROSION INHIBITION

#80
20230092085
2023-03-23

Downhole acid stimulation method with corrosion inhibition

#81
20230086463
2023-03-23

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

#82
20230084576
2023-03-16

Compositions and methods for pressure protection

#83
20230081029
2023-03-16

Organic acid surfactant booster for contaminant removal

#84
20230079788
2023-03-16

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

#85
20230078696
2023-03-16

Aqueous well treatment composition and method for treating a sandstone formation

#86
20230067381
2023-03-02

Method for anti-corrosion treating an oil well with an oil in water emulsion

#87
20230048387
2023-02-16

Corrosion protection method for wellbore piping

#88
20230043923
2023-02-09

Aqueous retarded acid treatment composition for well stimulation

#89
20230041084
2023-02-09

Method for engineered geothermal system in-situ conformance improvement treatment using brines infused with CO2

#90
20230034895
2023-02-02

Methods for stimulating hydrocarbon-bearing formations

#91
20230023003
2023-01-26

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

#92
20230017959
2023-01-19

Solvent mixtures for downhole elemental sulfur removal and formation stimulation

#93
20220389305
2022-12-08

Use of controlled release acid system in treatment of wells

#94
20220372366
2022-11-24

Sandstone stimulation formulations

#95
20220363981
2022-11-17

Methods for stimulating hydrocarbon-bearing formations

#96
20220333472
2022-10-20

Methods for stimulation of hydrocarbon-bearing formations while inhibiting corrosion of metal surfaces contacted by acid solutions used in stimulation

#97
20220290040
2022-09-15

Using acidic balls for acid stimulation in carbonate reservoirs

#98
20220235644
2022-07-28

Methods for targeted chemical treatment of well bores

#99
20220186107
2022-06-16

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

#100
20220162383
2022-05-26

Silane-Functionalized Polyalkyleneimine Clay Stabilizer for Treatment of Subterranean Formations

#101
20220127520
2022-04-28

Treatment of subterranean formations

#102
20220106520
2022-04-07

Organic acid system with high temperature resistance

#103
20220098472
2022-03-31

Composition and Method for Breaking Synthetic-Polymer-Type Stimulation Fluids

#104
20220089938
2022-03-24

Mud acid composition and methods of using such

#105
20220064519
2022-03-03

VISCOELASTIC COMPOSITIONS FOR MATRIX ACIDIZING

#106
20220049156
2022-02-17

Methods for spotting acid in a wellbore

#107
20220049153
2022-02-17

Sand Consolidation Compositions And Methods Of Use

#108
20210380873
2021-12-09

Methods and compositions of using viscoelastic surfactants as diversion agents

#109
20210380872
2021-12-09

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

#110
20210380871
2021-12-09

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

#111
20210363414
2021-11-25

Multi-functional diverter particulates

#112
20210355371
2021-11-18

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

#113
20210340433
2021-11-04

Acid emulsifier technology for continuous mixed emulsified acid systems

#114
20210340427
2021-11-04

Corrosion inhibitor for various acids

#115
20210332288
2021-10-28

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

#116
20210324260
2021-10-21

Chelating acid blends for stimulation of a subterranean formation, methods of utilizing the chelating acid blends, and hydrocarbon wells that include the chelating acid blends

#117
20210317359
2021-10-14

Corrosion inhibitor compositions and methods of use in acid stimulation operations

#118
20210276877
2021-09-09

Synthetic caustic composition

#119
20210254444
2021-08-19

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

#120
20210253942
2021-08-19

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

#121
20210238974
2021-08-05

Downhole acid injection to stimulate formation production

#122
20210238941
2021-08-05

Downhole acid injection to stimulate formation production

#123
20210238474
2021-08-05

Aqueous solution and method for use thereof

#124
20210230476
2021-07-29

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

#125
20210230474
2021-07-29

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

#126
20210222057
2021-07-22

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

#127
20210222056
2021-07-22

Delivery of Halogens to a Subterranean Formation

#128
20210207467
2021-07-08

Methods of low-rate hydraulic fracturing treatments

#129
20210198561
2021-07-01

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

#130
20210189855
2021-06-24

Use of sulfonic acids in downhole methods

#131
20210189226
2021-06-24

Aqueous modified acid compositions and methods of using the same

#132
20210171822
2021-06-10

In situ H2S scavenger additive generation

#133
20210140296
2021-05-13

Fracturing a wellbore with enhanced treatment fluid placement in a subterranean formation

#134
20210130680
2021-05-06

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

#135
20210122971
2021-04-29

Synthetic caustic composition

#136
20210122970
2021-04-29

Location and orientation control by acid etching process

#137
20210115326
2021-04-22

Salt of monochloroacetic acid with chelating agent for delayed acidification in the oil field industry

#138
20210095190
2021-04-01

Rotary steerable drilling tool and method

#139
20210095188
2021-04-01

FULVIC ACID IRON CONTROL AGENT AND GEL STABILIZER

#140
20210095185
2021-04-01

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

#141
20210095184
2021-04-01

Injection fluids comprising an anionic surfactant for treating unconventional formations

#142
20210079292
2021-03-18

Composition to reduce friction reducer fouling in wellbores

#143
20210062073
2021-03-04

Acidizing of subterranean formation using in-situ generated HF

#144
20210054261
2021-02-25

Acidizing solution for dissolution of clay mineral and preparation method thereof

#145
20210040378
2021-02-11

Penetrating compositions with reduced cloud point for acidizing applications

#146
20210032525
2021-02-04

Spacer fluids and cement slurries that include surfactants

#147
20210002991
2021-01-07

Methods for pressure protection using a gas

#148
20210002990
2021-01-07

Methods for improving hydrocarbon production from an unconventional subterranean formation

#149
20210002544
2021-01-07

Methods for pressure protection using a foamed pressure protection composition

#150
20200407621
2020-12-31

EMULSIFIED DRILLING FLUIDS AND METHODS OF MAKING AND USE THEREOF

#151
20200399530
2020-12-24

Aqueous delayed acid system for well stimulation

#152
20200369951
2020-11-26

Methods of inhibiting corrosion of metals from acid stimulation of an oil and gas well

#153
20200362227
2020-11-19

Corrosion inhibition method for downhole tools

#154
20200362226
2020-11-19

Corrosion inhibition method for downhole metal tubing

#155
20200354839
2020-11-12

Fluoride corrosion inhibition of metal surfaces

#156
20200339871
2020-10-29

Methods of inhibiting corrosion in acid stimulation operations

#157
20200332178
2020-10-22

Iron control composition, make, and use in carbonate stimulation

#158
20200332175
2020-10-22

Aqueous acidic compositions with a corrosion inhibitor

#159
20200331856
2020-10-22

Process for preparing Mannich base quaternary ammonium salt high-temperature resistant corrosion inhibitor and applications thereof

#160
20200317996
2020-10-08

Mud acid composition and methods of using such

#161
20200317993
2020-10-08

Injection fluids for stimulating fractured formations

#162
20200317992
2020-10-08

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

#163
20200299569
2020-09-24

Viscosification of aqueous solutions

#164
20200299561
2020-09-24

Friction reducers

#165
20200291285
2020-09-17

Development of retarded acid system

#166
20200277528
2020-09-03

Breaker systems for wellbore treatment operations for use at varying temperatures

#167
20200270514
2020-08-27

WELL TREATMENT METHODS

#168
20200263080
2020-08-20

Downhole methods

#169
20200255721
2020-08-13

Release system and method

#170
20200248061
2020-08-06

Lubricants for water-based drilling fluids

#171
20200224530
2020-07-16

Contrast enhancement agents for subterranean treatment fluids

#172
20200224321
2020-07-16

Alkylsulfonic acid compositions

#173
20200224086
2020-07-16

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

#174
20200224085
2020-07-16

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

#175
20200199989
2020-06-25

Stimulation fluid injection method and NMR verification

#176
20200199988
2020-06-25

Method for determining acidization effectiveness for wellbore operations

#177
20200173034
2020-06-04

Corrosion inhibition of HCL treatment fluids with environmentally compatible solvent

#178
20200165512
2020-05-28

Acidizing and interfacial tension reducing hydrolysable oils for subterranean treatments

#179
20200165511
2020-05-28

Use of sequestering agent in GLDA-based treatments for siliceous formations

#180
20200165504
2020-05-28

Spacer fluid compositions that include surfactants

#181
20200157417
2020-05-21

Delivery system for oil-soluble well treatment agents and methods of using the same

#182
20200157413
2020-05-21

Method and process of use of binary compositions for acidizing subterranean formations

#183
20200157407
2020-05-21

Methods of protecting metal surface during exposure to fluoride ion-containing acidic fluids

#184
20200140747
2020-05-07

Compositions and Methods for Corrosion Inhibition

#185
20200140746
2020-05-07

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

#186
20200140739
2020-05-07

Methods of using drilling fluid compositions with enhanced rheology

#187
20200131432
2020-04-30

Method of removing oil-based barite filter cake

#188
20200095491
2020-03-26

Development of anti-bit balling fluids

#189
20200087560
2020-03-19

Emulsifier compositions for invert emulsion fluids and methods of using the same

#190
20200079989
2020-03-12

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

#191
20200071603
2020-03-05

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

#192
20200071602
2020-03-05

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

#193
20200056464
2020-02-20

Hydraulic fracturing using multiple fracturing fluids sequentially

#194
20200040247
2020-02-06

Development of anti-bit balling fluids

#195
20200032400
2020-01-30

Corrosion inhibition package

#196
20200017758
2020-01-16

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

#197
20200017757
2020-01-16

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

#198
20200002602
2020-01-02

Weighted acid compositions comprising amino acids

#199
20200002601
2020-01-02

Methods of controlling fines migration in a well

#200
20190390105
2019-12-26

Method for drilling a subterranean geological formation to form a well bore and circulating emulsified acid therein

#201
20190390104
2019-12-26

Method for fracturing a subterranean geological formation with an emulsified acid

#202
20190390103
2019-12-26

Method of emulsifying an acid and acidizing a geological formation

#203
20190390102
2019-12-26

Double emulsified acids and methods for producing and using the same

#204
20190383121
2019-12-19

TREATMENT OF SILICEOUS MATERIALS USING CATECHOL AND AMINES IN SUBTERRANEAN APPLICATIONS

#205
20190382651
2019-12-19

Double emulsified acids and methods for producing and using the same

#206
20190382650
2019-12-19

Targeting enhanced production through deep carbonate stimulation: stabilized acid emulsions containing insoluble solid materials with desired wetting properties

#207
20190382649
2019-12-19

Wellbore composition

#208
20190376052
2019-12-12

GLUCANASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM

#209
20190352558
2019-11-21

Rotary steerable drilling tool and method

#210
20190345807
2019-11-14

Methods for stimulating hydrocarbon-bearing formations

#211
20190345376
2019-11-14

Methods for stimulating hydrocarbon-bearing formations

#212
20190338182
2019-11-07

Double emulsified acids and methods for producing and using the same

#213
20190316031
2019-10-17

Injection stimulation agent for water injection well and the preparation method and application thereof

#214
20190309210
2019-10-10

Development of anti-bit balling fluids

#215
20190292440
2019-09-26

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

#216
20190292432
2019-09-26

Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal

#217
20190292431
2019-09-26

Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal

#218
20190277122
2019-09-12

Method of acidizing a geological formation and method of determining an effectiveness of acidizing

#219
20190276732
2019-09-12

Distributing an amorphic degradable polymer in wellbore operations

#220
20190276731
2019-09-12

Diverting Agent For Diversion Acidizing In Water Injection Wells And A Preparation Method Thereof

#221
20190276730
2019-09-12

On-line diverting acid for continuous injection into water injection wells and a preparation method thereof

#222
20190264098
2019-08-29

Dual-phase acid-based fracturing composition with corrosion inhibitors and method of use thereof

#223
20190264097
2019-08-29

Treating a formation with a chemical agent and liquefied natural gas (LNG) de-liquefied at a wellsite

#224
20190264088
2019-08-29

METHOD FOR ENHANCING METAL CORROSION INHIBITION IN OIL AND NATURAL GAS PRODUCTION

#225
20190249076
2019-08-15

Methods and systems incorporating N-(phosphonoalkyl)iminodiacetic acid particulates

#226
20190242225
2019-08-08

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

#227
20190241796
2019-08-08

POLYMERIC DRAG REDUCING COMPOSITIONS AND METHODS FOR REDUCING DRAG AND/OR INCREASING VISCOSITY OF FLUIDS IN OIL AND/OR GAS WELLS

#228
20190233710
2019-08-01

Compositions and methods for treating oil and gas wells

#229
20190233708
2019-08-01

Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore

#230
20190233707
2019-08-01

Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore

#231
20190225876
2019-07-25

COMPOSITIONS AND METHODS FOR TREATING SUBTERRANEAN FORMATIONS

#232
20190225873
2019-07-25

Guanidine- or guanidinium-containing compounds for treatment of subterranean formations

#233
20190218452
2019-07-18

Inhibiting corrosion in a downhole environment

#234
20190203108
2019-07-04

Double emulsified acids and methods for producing and using the same

#235
20190203096
2019-07-04

Cement slurries, cured cements and methods of making and use thereof

#236
20190203095
2019-07-04

Cement slurries, cured cements and methods of making and use thereof

#237
20190202941
2019-07-04

Phosphonated polysaccharides and gels and process for making same

#238
20190194528
2019-06-27

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

#239
20190177605
2019-06-13

MULTIFUNCTIONAL SINGLE COMPONENT SYSTEMS AND METHODS FOR SANDSTONE ACIDIZING

#240
20190153301
2019-05-23

Demolition agent

#241
20190144741
2019-05-16

Synthetic caustic composition

#242
20190144740
2019-05-16

Synthetic caustic composition

#243
20190144739
2019-05-16

Synthetic caustic composition

#244
20190144293
2019-05-16

Synthetic caustic composition

#245
20190093005
2019-03-28

High Temperature Crosslinked Fracturing Fluids

#246
20190092996
2019-03-28

DISPERSANT IN CEMENT FORMULATIONS FOR OIL AND GAS WELLS

#247
20190062621
2019-02-28

Methods of controlling viscosity of acids

#248
20190048246
2019-02-14

AQUEOUS AMPHOLYTE POLYMER CONTAINING SOLUTIONS FOR SUBTERRANEAN APPLICATIONS

#249
20190040309
2019-02-07

Controlling proppant flowback using resin chemistry for acid fracturing

#250
20190040306
2019-02-07

Enhancing acid fracture conductivity

#251
20190040302
2019-02-07

BIOFUELS FOR ENHANCING PRODUCTIVITY OF LOW PRODUCTION WELLS

#252
20190016948
2019-01-17

Multifunctional solid particulate diverting agent

#253
20190016947
2019-01-17

Composition and method for removing oil-based filter cake

#254
20190016946
2019-01-17

High temperature crosslinked fracturing fluids

#255
20190010385
2019-01-10

Compositions and methods for controlling strong acid systems

#256
20190002753
2019-01-03

Methods of controlling fines migration in a well

#257
20180355240
2018-12-13

Systems and methods for breaking friction reducers in-situ

#258
20180334614
2018-11-22

Enhancing acid fracture conductivity

#259
20180334613
2018-11-22

Enhancing acid fracture conductivity

#260
20180334612
2018-11-22

Enhancing acid fracture conductivity

#261
20180327658
2018-11-15

Supercritical carbon dioxide emulsified acid

#262
20180320063
2018-11-08

Development of retarded acid system

#263
20180320050
2018-11-08

Methods of using drilling fluid compositions with enhanced rheology

#264
20180312746
2018-11-01

Methods of using novel organic acid compositions in the oil and gas industry

#265
20180312439
2018-11-01

Dispersant in cement formulations for oil and gas wells

#266
20180306013
2018-10-25

Scheduling treatment fluid placement and fluid diversion in a subterranean formation

#267
20180298274
2018-10-18

Oil field chemical delivery fluids, methods for their use in the targeted delivery of oil field chemicals to subterranean hydrocarbon reservoirs and methods for tracing fluid flow

#268
20180298266
2018-10-18

Weighted fluids for treatment of subterranean formations

#269
20180291512
2018-10-11

Low water solubility compositions for use in corrosion protection

#270
20180282615
2018-10-04

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

#271
20180282614
2018-10-04

Emulsified acid comprising waste oil for acidizing geological formations

#272
20180282613
2018-10-04

Weighted acid compositions comprising amino acids

#273
20180282216
2018-10-04

Dispersant in cement formulations for oil and gas wells

#274
20180265635
2018-09-20

Silane-functionalized polyalkyleneimine clay stabilizer for treatment of subterranean formations

#275
20180258342
2018-09-13

Compositions including acidic chelator for treatment of subterranean formations including one or more fractures

#276
20180244982
2018-08-30

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

#277
20180244981
2018-08-30

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

#278
20180244980
2018-08-30

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

#279
20180238168
2018-08-23

Contrast enhancement agents for subterranean treatment fluids

#280
20180223178
2018-08-09

RENEWABLE DIESEL BASE FLUIDS FOR USE IN SUBTERRANEAN FORMATION OPERATIONS

#281
20180223175
2018-08-09

Retarded acid systems, emulsions, and methods for using in acidizing carbonate formations

#282
20180223169
2018-08-09

Spacer fluid compositions that include surfactants

#283
20180223168
2018-08-09

Spacer fluids and cement slurries that include surfactants

#284
20180223167
2018-08-09

Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal

#285
20180223166
2018-08-09

Invert emulsion based drilling fluid and methods of using same

#286
20180223165
2018-08-09

Emulsifier compositions for invert emulsion fluids and methods of using the same

#287
20180223162
2018-08-09

Development of anti-bit balling fluids

#288
20180223161
2018-08-09

Development of anti-bit balling fluids

#289
20180223160
2018-08-09

Anti-bit balling drilling fluids, and methods of making and use thereof

#290
20180223159
2018-08-09

Anti-bit balling drilling fluids, and methods of making and use thereof

#291
20180223158
2018-08-09

Drilling fluid compositions with enhanced rheology and methods of using same

#292
20180223156
2018-08-09

Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore

#293
20180223153
2018-08-09

Lubricants for water-based drilling fluids

#294
20180222797
2018-08-09

Cement slurries, cured cement and methods of making and use thereof

#295
20180222796
2018-08-09

Cement slurries, cured cements and methods of making and use thereof

#296
20180215992
2018-08-02

Delayed breaker for viscoelastic surfactant-based fluids

#297
20180208828
2018-07-26

Treatment fluids comprising carminic acid and related compounds and method for use thereof

#298
20180201827
2018-07-19

Well treatment operations using diverting system

#299
20180187069
2018-07-05

CHELATING AGENT AND PREPARATION METHOD AND USE THEREOF

#300
20180163512
2018-06-14

WELL TREATMENT