ClassID:

104308

C09K8/528 - 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 preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates

Sub-classes:
Recent Application in this class:
#1
20260139183
2026-05-21

Chelating Compositions and Methods of Use

#2
20260139182
2026-05-21

FILTER CAKE REMOVAL COMPOSITIONS AND RELATED WELLBORE METHODS

#3
20260132329
2026-05-14

NANOPARTICLES AND ABSORBENT POLYMER WELLBORE CLEANOUT COMPOSITIONS AND METHODS OF USE THEREOF

#4
20260098203
2026-04-09

Method of Measuring and Suppressing Carbon Dioxide in Oil and Gas Geologies

#5
20260098201
2026-04-09

EXTENDED RELEASE SCALE INHIBITORS CONTAINING AMINE FUNCTIONALIZED SILICA

#6
20260085230
2026-03-26

DISSOLUTION OF MANGANESE OXIDES IN A WELLBORE

#7
20260078654
2026-03-19

DISSOLUTION OF TITANIUM-IRON OXIDES AND IRON OXIDES IN A WELLBORE

#8
20260062604
2026-03-05

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

#9
20260042956
2026-02-12

METHOD FOR SINGLE-STAGE TREATMENT OF SILICEOUS SUBTERRANEAN FORMATIONS

#10
20260028525
2026-01-29

METHOD FOR SCAVAGING SOUR GAS IN A WELLBORE

#11
20260028524
2026-01-29

BLEND OF PHOSPHONATE ACIDS FOR SCALE PREVENTION IN HIGH ALKALINITY AND HIGH CO2 ENVIRONMENTS

#12
20260028523
2026-01-29

CHELATING AGENT- FREE TREATMENT FLUIDS AND RELATED METHODS FOR TREATING SCALE DEPOSITS

#13
20260009493
2026-01-08

VENTURI-BASED FLOW SYSTEM FOR SCALE INHIBITION

#14
20250382517
2025-12-18

FILTER CAKE REMOVAL COMPOSITIONS AND RELATED WELLBORE METHODS

#15
20250376615
2025-12-11

FILTER CAKE REMOVAL REACTIVE TREATMENT FLUID WITH CHELATING AGENT AND VISCOELASTIC SURFACTANT AND METHODS OF USING SAME

#16
20250376614
2025-12-11

FILTER CAKE REMOVAL TREATMENT FLUID WITH CHELATING AGENT AND VISCOELASTIC SURFACTANT

#17
20250368885
2025-12-04

FILTER CAKE REMOVAL USING VISCOELASTIC SURFACTANT

#18
20250354050
2025-11-20

COMBINATION PRODUCTS CONTAINING ANTI-AGGLOMERANT LOW DOSE HYDRATE INHIBITORS AND CORROSION INHIBITORS WITH IMPROVED CORROSION RESISTANCE

#19
20250346798
2025-11-13

METHOD FOR PREVENTING PRODUCTION LOSS DUE TO SALINE SCALING IN OIL PRODUCTION BY INCORPORATING SCALING INHIBITOR INTO THE DRILLING FLUID

#20
20250257473
2025-08-14

CORROSION PROTECTION OF ARMOURED WIRELINE CABLE

#21
20250250480
2025-08-07

RECYCLING CHELATING AGENTS AND METHODS RELATED THERETO

#22
20250243399
2025-07-31

Method for Treating and Protecting Equipment Using Nanoparticle Compositions

#23
20250243398
2025-07-31

IRON CONTROL AS PART OF A WELL TREATMENT USING TIME-RELEASED AGENTS

#24
20250236548
2025-07-24

BIOMINERALIZATION OF PRODUCED WATER

#25
20250198268
2025-06-19

METHODS OF TREATMENT OF SUBTERRANEAN FORMATION WITH POLYMERIC STRUCTURES FORMED IN SITU

#26
20250163312
2025-05-22

METHOD OF IMPROVING INJECTION PRESSURE AND ASPHALTENE REMEDIATION

#27
20250136488
2025-05-01

Extended- and Multimodal-Release Compositions

#28
20250129286
2025-04-24

SCALE CONTROL IN PRODUCTION FLUIDS

#29
20250115803
2025-04-10

SCALE INHIBITOR SQUEEZE TREATMENT

#30
20250101291
2025-03-27

INHIBITOR COMPOSITIONS COMPRISING SCALE AND CORROSION INHIBITORS

#31
20250075118
2025-03-06

BIOSURFACTANTS FOR IRON AND ZINC SULFIDE SCALE REMEDIATION AND CONTROL

#32
20250075117
2025-03-06

SCALE INHIBITOR SQUEEZE TREATMENT

#33
20250059436
2025-02-20

ENCAPSULATION OF OILFIELD CHEMICALS FOR ON-DEMAND TRIGGERED RELEASE

#34
20250002772
2025-01-02

SCALE INHIBITOR COMPOSITION

#35
20240409804
2024-12-12

SCALE INHIBITOR FLUID AND METHOD FOR INHIBITING SCALE FORMATION

#36
20240376370
2024-11-14

METHOD FOR REMOVING A FILTER CAKE FROM A BOREHOLE

#37
20240318066
2024-09-26

METHODS AND COMPOSITIONS FOR SQUEEZE LIFE ENHANCEMENT

#38
20240318061
2024-09-26

Chelating agents for barium sulfate dissolution in displacment spacer systems

#39
20240271028
2024-08-15

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

#40
20240254381
2024-08-01

USE OF PERCITRIC ACID IN OIL- AND GAS-FIELD OPERATIONS

#41
20240228860
2024-07-11

COMBINED TREATMENT PROCESS FOR REMOVING AND INHIBITING SCALE

#42
20240218238
2024-07-04

Akaline scale mitigation treatment method

#43
20240218237
2024-07-04

Well sulfatizing and scale mitigation treatment method

#44
20240218236
2024-07-04

Oil/gas pipeline treatment method

#45
20240218235
2024-07-04

USE OF MICROCAPSULES CONTAINING ACIDS IN ITS INTERIOR AND METHOD OF TREATMENT USING A SCALE INHIBITOR ACTIVATED BY SAID MICROCAPSULES

#46
20240199941
2024-06-20

METHOD FOR SELECTING SCALE DISPERSANT

#47
20240124763
2024-04-18

Stimulation of Wells in Nano-Darcy Shale Formations

#48
20240124760
2024-04-18

METHOD TO ATTENUATE ACID REACTIVITY DURING ACID STIMULATION OF CARBONATE RICH RESERVOIRS

#49
20240117239
2024-04-11

COMBINATION PRODUCTS CONTAINING ANTI-AGGLOMERANT LOW DOSE HYDRATE INHIBITORS AND CORROSION INHIBITORS WITH IMPROVED CORROSION RESISTANCE

#50
20240117237
2024-04-11

Iron control as part of a well treatment using time-released agents

#51
20240116789
2024-04-11

REMOVAL OF CHELATED IRON FROM PRODUCED WATER

#52
20240101891
2024-03-28

METHOD FOR SINGLE-STAGE TREATMENT OF SILICEOUS SUBTERRANEAN FORMATIONS

#53
20240101890
2024-03-28

IRON CONTROL AS PART OF A WELL TREATMENT USING TIME-RELEASED AGENTS

#54
20240093083
2024-03-21

Method and material to reduce acid-carbonate reaction rate by endothermic reaction

#55
20240093082
2024-03-21

Aqueous fluid compositions and barite scale removal therewith

#56
20240084192
2024-03-14

FLOWBACK AID FOR FRACTURING FLUIDS

#57
20240084186
2024-03-14

DEVELOPMENT OF ULTRA-HIGH MOLECULAR WEIGHT (UHMW) BRANCHED BLOCK COPOLYMER SHALE INHIBITOR FOR WATER BASED DRILLING FLUID

#58
20240067863
2024-02-29

Methods and systems to reduce scale formation

#59
20240052251
2024-02-15

Surface Slipping Agents for Improving Flow

#60
20240052229
2024-02-15

SCALE INHIBITOR COMPOSITIONS AND METHODS OF USING THE SAME

#61
20240043738
2024-02-08

ADDITIVES AND METHODS, COMPOSITIONS AND USES RELATING THERETO

#62
20240043737
2024-02-08

Composition useful in sulfate scale removal

#63
20240026211
2024-01-25

Composition and method of reducing deposition of formate in underground formations

#64
20230416595
2023-12-28

WELLBORE CLEANING COMPOSITIONS AND METHODS OF MAKING AND USING SAME

#65
20230399562
2023-12-14

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

#66
20230383172
2023-11-30

Carbonate-based solvents for scale-squeeze enhancement

#67
20230383171
2023-11-30

Method to mitigate halite scale

#68
20230374369
2023-11-23

Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives

#69
20230374368
2023-11-23

Oil and gas well scale mitigation treatment method

#70
20230374367
2023-11-23

Electric scale control with metal electrodes

#71
20230357625
2023-11-09

Injection well cleaning fluids and related methods

#72
20230348776
2023-11-02

Method of treating or maintaining an apparatus

#73
20230348775
2023-11-02

Organic sludge targeted removal using nitro-activated carbon composite and acidified solution of ammonium chloride

#74
20230332036
2023-10-19

SCALE INHIBITOR FLUID AND METHOD FOR INHIBITING SCALE FORMATION

#75
20230323183
2023-10-12

Ethylene amine hydrochloride based shale inhibitor for aqueous drilling fluids

#76
20230313644
2023-10-05

Monitoring Scale Inhibitor Treatment

#77
20230313023
2023-10-05

Removal of filter cake

#78
20230295485
2023-09-21

Treatment fluid composition for high temperature multi-stage fracturing applications

#79
20230272266
2023-08-31

MODIFIED ACID COMPOSITIONS

#80
20230272263
2023-08-31

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

#81
20230235213
2023-07-27

NEW SYNERGIC COMPOSITION FOR SCALE INHIBITION

#82
20230220270
2023-07-13

MULTI-FUNCTIONAL COMPOSITIONS FOR ENHANCED OIL AND GAS RECOVERY AND OTHER PETROLEUM INDUSTRY APPLICATIONS

#83
20230212451
2023-07-06

Polymer Matrix Particles for Inhibiting Scale Formation in Oil and Gas Wells

#84
20230193118
2023-06-22

METHOD OF ACIDIFICATION, INHIBITION AND DAMAGE REMOVAL FOR WELLS

#85
20230183552
2023-06-15

Foamed scale removal and inhibition method for subterranean formation

#86
20230183551
2023-06-15

DISSOLUTION OF FILTER CAKE AT LOW TEMPERATURES

#87
20230183550
2023-06-15

BIO-DERIVED COMPLEX FOR OIL AND GAS WELL REMEDIATION

#88
20230174845
2023-06-08

Filter cake removal compositions and methods of making and using same

#89
20230167352
2023-06-01

Filter cake removal compositions and methods of making and using same

#90
20230142443
2023-05-11

Acid precursor treatment fluid generating and/or releasing acid for use downhole in a subterranean formation

#91
20230127921
2023-04-27

Method for removing fouling using carbonic acid

#92
20230110987
2023-04-13

Method of removing non-aqueous drilling mud with banana containing fluid

#93
20230086463
2023-03-23

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

#94
20230082332
2023-03-16

NOVEL INHIBITED HYDROFLUORIC ACID COMPOSITION

#95
20230076912
2023-03-09

Method of removing sulfate scale

#96
20230065437
2023-03-02

ACIDIZING OF SUBTERRANEAN FORMATIONS WITH PLACEMENT OF SCALE INHIBITOR

#97
20230056620
2023-02-23

Single-fluid mixed scale dissolution

#98
20230053058
2023-02-16

Iron control as part of a well treatment using time-released agents

#99
20230052268
2023-02-16

Fluid systems for expanding shape memory polymers and removing filter cakes

#100
20230045825
2023-02-16

Iron control as part of a well treatment using time-released agents

#101
20230009732
2023-01-12

System for evaluation of the precipitation, adhesion and inorganic scale

#102
20230002667
2023-01-05

COMBINED TREATMENT PROCESS FOR REMOVING AND INHIBITING SCALE

#103
20220396726
2022-12-15

Monovalent brines for use as wellbore fluids

#104
20220396725
2022-12-15

Branched polyethyleneimine (B-PE) as oilfield metal naphthenate inhibitors

#105
20220380656
2022-12-01

Method for unblocking a deep well plugged by an adsorbent

#106
20220380654
2022-12-01

Cationic nitrogen-containing heterocycles and their application in wellbore stability

#107
20220372366
2022-11-24

Sandstone stimulation formulations

#108
20220372361
2022-11-24

Olefin sulfonate compositions

#109
20220363975
2022-11-17

BIOLOGICAL AND CHEMICAL COMPOSITE BLOCKAGE REMOVING AGENT AND PREPARATION PROCESS AND USE THEREOF

#110
20220348815
2022-11-03

Method and material to reduce acid-carbonate reaction rate by endothermic reaction

#111
20220341291
2022-10-27

METHOD FOR REMOVING SCALE FROM A SUBSEA MANIFOLD

#112
20220325168
2022-10-13

Methods and systems associated with improved estimated ultimate recovery (EUR) additive through proppant packs

#113
20220325167
2022-10-13

Composition useful in sulfate scale removal

#114
20220306928
2022-09-29

METHOD OF APPLYING AN INCRUSTATION INHIBITOR IN COMPLETION FLUIDS

#115
20220298407
2022-09-22

DEPOSIT-INHIBITING COMPOSITIONS FOR USE IN CRUDE OIL PRODUCTION AND PROCESSING

#116
20220290034
2022-09-15

METHOD TO ATTENUATE ACID REACTIVITY DURING ACID STIMULATION OF CARBONATE RICH RESERVOIRS

#117
20220290029
2022-09-15

Lecithin drying using fatty acids

#118
20220243117
2022-08-04

Viscoelastic-surfactant treatment fluids having oxidizer

#119
20220243116
2022-08-04

Development of ultra-high molecular weight (UHMW) branched block copolymer shale inhibitor for water based drilling fluid

#120
20220243115
2022-08-04

Injection well cleaning fluids and related methods

#121
20220228051
2022-07-21

Methods and compositions for squeeze life enhancement

#122
20220220361
2022-07-14

Thermochemical composition for well cleanup

#123
20220220360
2022-07-14

Downhole exothermic reaction well bore wall clean up method

#124
20220220355
2022-07-14

Embedded treatment fluid additives for use in subterranean formation operations

#125
20220213377
2022-07-07

Scale deposition inhibiting scavenger compositions and their use

#126
20220177771
2022-06-09

IRON-TOLERANT SCALE INHIBITORS

#127
20220177770
2022-06-09

Bio-derived complex for oil and gas well remediation

#128
20220162495
2022-05-26

Scale inhibition using star polymers

#129
20220135870
2022-05-05

Stimulation of wells in nano-darcy shale formations

#130
20220127514
2022-04-28

Calcite scale control agent for geothermal wells

#131
20220106519
2022-04-07

Method of treating an apparatus to remove surface deposits

#132
20220098469
2022-03-31

Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives

#133
20220089938
2022-03-24

Mud acid composition and methods of using such

#134
20220081606
2022-03-17

METHODS OF INHIBITING SCALE WITH ALKYL DIPHENYLOXIDE SULFONATES

#135
20220073813
2022-03-10

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

#136
20220064512
2022-03-03

Cationic nitrogen-containing heterocycles and their application in wellbore stability

#137
20220056331
2022-02-24

METHODS AND COMPOSITIONS FOR TREATMENT OF SCALE

#138
20220041941
2022-02-10

Means and methods for managing ammonia, amine and normal salt fouling in oil production and refining

#139
20220041918
2022-02-10

Scale inhibition using branched polymers

#140
20220033704
2022-02-03

ALGINATES FOR CORROSION AND SCALE CONTROL

#141
20210371723
2021-12-02

Compositions for delayed acid generation for high temperature applications and methods of making and using same

#142
20210363406
2021-11-25

Polymer matrix particles for inhibiting scale formation in oil and gas wells

#143
20210348048
2021-11-11

Microemulsions And Uses Thereof

#144
20210317358
2021-10-14

METHODS AND COMPOSITIONS FOR TREATING HALITE

#145
20210310344
2021-10-07

Removal of water blockage in tight gas reservoir using thermochemical fluids

#146
20210284900
2021-09-16

Ceramic foundry media and related methods

#147
20210269701
2021-09-02

Iron sulfide inhibitor suitable for squeeze application

#148
20210261853
2021-08-26

Low molecular weight polyacrylates for EOR

#149
20210246359
2021-08-12

PROCESS FOR REMOVAL OF CONTAMINANTS FROM OFFSHORE OIL AND GAS PIPELINES

#150
20210246358
2021-08-12

Iron control as part of a well treatment using time-released agents

#151
20210246357
2021-08-12

Iron control as part of a well treatment using time-released agents

#152
20210246354
2021-08-12

Formulation and method for dissolution of metal sulfides, inhibition of acid gas corrosion, and inhibition of scale formation

#153
20210238468
2021-08-05

Stabilization and reduction of TCT of divalent iodide-containing brines

#154
20210230471
2021-07-29

Progressive salting-out of polymer chains in a liquid medium

#155
20210222050
2021-07-22

Method of removing calcium carbonate-containing oil-based filter cake using a biodegradable acid solution

#156
20210221723
2021-07-22

Inhibition of silica scale using a chelating agent blended with acid and alkylene oxide derived polymer dispersants

#157
20210221717
2021-07-22

SYSTEM AND METHOD FOR GENERATION OF REACTIVE OXYGEN SPECIES AND APPLICATIONS THEREOF

#158
20210215578
2021-07-15

Method for treating a liquid sample in order to remove interference by iron

#159
20210215026
2021-07-15

METHODS OF TREATMENT OF A SUBTERRANEAN FORMATION WITH POLYMERIC STRUCTURES FORMED IN SITU

#160
20210207020
2021-07-08

Method of removing calcium-containing water-based filter cake using a biodegradable acid solution

#161
20210207019
2021-07-08

Method of removing iron-containing scale from a wellbore, pipe, or surface using a biodegradable descaler solution

#162
20210198561
2021-07-01

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

#163
20210198553
2021-07-01

Viscoelastic-surfactant treatment fluids having oxidizer

#164
20210189226
2021-06-24

Aqueous modified acid compositions and methods of using the same

#165
20210171819
2021-06-10

Methods of reducing zinc concentration in fluids

#166
20210130680
2021-05-06

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

#167
20210115322
2021-04-22

Combined thermochemical and chelating agents useful for well cleanup

#168
20210079289
2021-03-18

Metal sulfate scale dissolution

#169
20210062068
2021-03-04

Methods of stabilizing carbonate-bearing formations

#170
20210032529
2021-02-04

Chemical treatment solution for formation damage at near wellbore

#171
20210024809
2021-01-28

Barite-quartz and calcite-quartz filter cake removal method

#172
20210009890
2021-01-14

Composition Useful in Sulfate Scale Removal

#173
20210002542
2021-01-07

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

#174
20200385629
2020-12-10

NANOSIZED SCALE INHIBITORS FOR INCREASING OILFIELD SCALE INHIBITION TREATMENT LIFETIME

#175
20200385628
2020-12-10

BIO-DERIVED COMPLEX FOR OIL AND GAS WELL REMEDIATION

#176
20200354623
2020-11-12

Crystallization suppressant combinations for high density clear brine fluids

#177
20200339864
2020-10-29

Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives

#178
20200318009
2020-10-08

Inhibited hydrofluoric acid composition

#179
20200317996
2020-10-08

Mud acid composition and methods of using such

#180
20200317995
2020-10-08

Methods, treatment fluids and systems for differential acidizing of a siliceous material

#181
20200308472
2020-10-01

Composition useful in sulfate scale removal

#182
20200299560
2020-09-24

Treatment methods using aqueous fluids containing oil-soluble treatment agents

#183
20200291287
2020-09-17

Organic acid systems

#184
20200283671
2020-09-10

Drilling fluid composition including viscosifier and method of using the same

#185
20200270509
2020-08-27

SOLVENT SYSTEMS HAVING A HIGH FLASH POINT AND METHODS OF USE THEREOF

#186
20200263076
2020-08-20

Thermally stable scale inhibitor compositions

#187
20200262725
2020-08-20

SYSTEM AND METHOD FOR GENERATION OF REACTIVE OXYGEN SPECIES AND APPLICATIONS THEREOF

#188
20200224086
2020-07-16

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

#189
20200224085
2020-07-16

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

#190
20200224082
2020-07-16

Stimulation of wells in nano-darcy shale formations

#191
20200208039
2020-07-02

Urea Hydrochloride Compositions and Associated Methods

#192
20200190394
2020-06-18

LAYERED DOUBLE HYDROXIDE MATERIALS AS ADDITIVES FOR ENHANCING SCALE SQUEEZE CHEMICAL TREATMENT LIFETIME

#193
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

#194
20200172790
2020-06-04

Removal of barite weighted mud

#195
20200149382
2020-05-14

In-line treatment cartridge and methods of using same

#196
20200148942
2020-05-14

Compositions and methods for delayed crosslinking in hydraulic fracturing fluids

#197
20200148935
2020-05-14

Method of abandoning a zone or a well with scale

#198
20200102487
2020-04-02

Fulvic acid well treatment fluid

#199
20200087567
2020-03-19

Method to generate acidic species in wellbore fluids

#200
20200079665
2020-03-12

System and method for generation of point of use reactive oxygen species

#201
20200072024
2020-03-05

Removing scale from a wellbore

#202
20200072023
2020-03-05

Removing scale from a wellbore

#203
20200071641
2020-03-05

Treatment of sulfide scales

#204
20200063017
2020-02-27

METHOD OF REMOVING MINERAL SCALES FROM A SUBSTRATE WITH MINIMIZED CORROSION OF THE SUBSTRATE

#205
20200048990
2020-02-13

Systems and methods for treating fluids in oilfield facilities

#206
20200032125
2020-01-30

COMBINED USES OF A PHOSPHOROUS COMPOUND FOR IRON SULPHIDE DISSOLUTION AND BACTERIAL CONTROL

#207
20200002594
2020-01-02

COMPOSITIONS FOR USE IN DRILLING FLUIDS

#208
20190390102
2019-12-26

Double emulsified acids and methods for producing and using the same

#209
20190382651
2019-12-19

Double emulsified acids and methods for producing and using the same

#210
20190382642
2019-12-19

Shale inhibitors used in the water-based fluid for shale formation

#211
20190375981
2019-12-12

Sulfate scale inhibition in high pressure and high temperature applications

#212
20190375980
2019-12-12

Scale inhibition in high pressure and high temperature applications

#213
20190367803
2019-12-05

Easily dispersible polymer powder for hydrocarbon extraction

#214
20190338182
2019-11-07

Double emulsified acids and methods for producing and using the same

#215
20190338179
2019-11-07

Method for Enhancing Productivity of Hydrocarbon Formations Using Fluid Containing Organometallic Crosslinking Agent and Scale Inhibitor

#216
20190309218
2019-10-10

INHIBITION OF PRECIPITATION DURING SANDSTONE ACIDIZING

#217
20190292440
2019-09-26

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

#218
20190277112
2019-09-12

Methods and systems for wellbore remediation

#219
20190277111
2019-09-12

Removing scale from a wellbore

#220
20190276732
2019-09-12

Distributing an amorphic degradable polymer in wellbore operations

#221
20190264541
2019-08-29

Method for adjusting the level of inhibitors in an oil or gas well

#222
20190264097
2019-08-29

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

#223
20190264087
2019-08-29

Aqueous cleaning composition and method

#224
20190256762
2019-08-22

SCALE INHIBITOR COMPOSITIONS INCLUDING TRIAMINONONANE PHOSPHONATES AND METHODS FOR MAKING AND USING SAME

#225
20190249076
2019-08-15

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

#226
20190249072
2019-08-15

FORMULATIONS AND METHODS FOR MINERAL SCALE REMOVAL

#227
20190249071
2019-08-15

Method for improving production of a well bore

#228
20190249065
2019-08-15

Embedded treatment fluid additives for use in subterranean formation operations

#229
20190234184
2019-08-01

Method of inhibiting deposition of contaminants onto a metallic surface with a surface modifying treatment agent

#230
20190218447
2019-07-18

UNDERGROUND HALITE MITIGATION

#231
20190211253
2019-07-11

Compositions and methods for servicing subterranean wells

#232
20190211249
2019-07-11

Encapsulated production chemicals

#233
20190194528
2019-06-27

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

#234
20190185739
2019-06-20

Compositions and methods for enhanced fracture cleanup using redox treatment

#235
20190185738
2019-06-20

Compositions and methods for enhanced fracture cleanup using redox treatment

#236
20190185737
2019-06-20

Compositions and methods for enhanced fracture cleanup using redox treatment

#237
20190177605
2019-06-13

MULTIFUNCTIONAL SINGLE COMPONENT SYSTEMS AND METHODS FOR SANDSTONE ACIDIZING

#238
20190177601
2019-06-13

Acidizing treatment fluids for use in subterranean formation operations

#239
20190169489
2019-06-06

Formulations comprising recovered water and a viscosifier and associated methods

#240
20190153304
2019-05-23

DRAG-REDUCING ADDITIVES HAVING DISPERSION POLYMERS AND MICROEMULSIONS AND METHODS FOR PREPARING AND USING SAME

#241
20190119557
2019-04-25

Stabilization of iodide-containing brines and brine mixtures

#242
20190119556
2019-04-25

Stabilization and reduction of TCT of divalent iodide-containing brines

#243
20190119555
2019-04-25

Decreasing foulant deposition on at least one surface by contacting the surface(s) with at least one protein

#244
20190119554
2019-04-25

Decreasing foulant deposition on at least one surface by contacting the surface(s) with at least one protein

#245
20190100687
2019-04-04

METHODS AND COMPOSITIONS FOR FILTER CAKE REMOVAL

#246
20190093003
2019-03-28

Method of preparing and using a drag-reducing additive having a dispersion polymer

#247
20190093001
2019-03-28

Process for the cleaning oil and gas wellbores

#248
20190071597
2019-03-07

COMPOSITION USEFUL IN SULFATE SCALE REMOVAL

#249
20190055484
2019-02-21

Kinetic hydrate inhibitors for controlling gas hydrate formation in wet gas systems

#250
20190040299
2019-02-07

Preflush chemicals for scale inhibitor squeeze

#251
20190010385
2019-01-10

Compositions and methods for controlling strong acid systems

#252
20190002752
2019-01-03

Method of increasing scale inhibitor retention

#253
20180362825
2018-12-20

Metalate-based additives for use in subterranean formations

#254
20180355240
2018-12-13

Systems and methods for breaking friction reducers in-situ

#255
20180355238
2018-12-13

Treatment fluids comprising viscosifying agents and methods of using the same

#256
20180347316
2018-12-06

Multi-stage treatment for iron sulfide scales

#257
20180346792
2018-12-06

Methods and compositions for cleaning interior of a casing string

#258
20180340115
2018-11-29

Injection system for controlled delivery of solid oil field chemicals

#259
20180340113
2018-11-29

Iron sulfide removal in oilfield applications

#260
20180327294
2018-11-15

Iron sulfide scale control agent for geothermal wells

#261
20180320054
2018-11-08

Compositions and methods for enhanced fracture cleanup using redox treatment

#262
20180312746
2018-11-01

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

#263
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

#264
20180298273
2018-10-18

COMPOSITION IN PARTICULATE FORM COMPRISING A POLYMER AND A PROPPANT USEFUL FOR HYDRAULIC FRACTURING OPERATION

#265
20180291720
2018-10-11

Compositions and methods for controlled delivery of acid

#266
20180291257
2018-10-11

Methods and systems for infusing porous ceramic proppant with a chemical treatment agent

#267
20180282609
2018-10-04

Titanium Chloride Encapsulation for Acid Generation

#268
20180282606
2018-10-04

Formulation and method for dissolution of metal sulfides, inihibition of acid gas corrosion, and inhibition of scale formation

#269
20180274339
2018-09-27

Mitigating corrosion of carbon steel tubing and surface scaling deposition in oilfield applications

#270
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

#271
20180273828
2018-09-27

Scale deposition inhibiting scavenger compositions and their use

#272
20180273827
2018-09-27

Methods and systems for wellbore remediation

#273
20180265384
2018-09-20

Barium-sulfate scale deposition inhibitor, method for inhibiting barium-sulfate scale deposition, and barium-sulfate scale deposition inhibitor composition

#274
20180258342
2018-09-13

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

#275
20180251673
2018-09-06

Methods, treatment fluids and systems for differential acidizing of a siliceous material

#276
20180244979
2018-08-30

Removal of barite weighted mud

#277
20180237688
2018-08-23

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

#278
20180223178
2018-08-09

RENEWABLE DIESEL BASE FLUIDS FOR USE IN SUBTERRANEAN FORMATION OPERATIONS

#279
20180223172
2018-08-09

Crystallization suppressant combinations for high density clear brine fluids

#280
20180215995
2018-08-02

Controlled release of well treatment agents into oil wells

#281
20180208828
2018-07-26

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

#282
20180194992
2018-07-12

Proppant coating for heavy metal recovery

#283
20180194989
2018-07-12

Hedta Based Chelants Used with Divalent Brines, Wellbore Fluids including The Same and Methods of Use Thereof

#284
20180187069
2018-07-05

CHELATING AGENT AND PREPARATION METHOD AND USE THEREOF

#285
20180187068
2018-07-05

Method of preparing and using drag-reducing dispersion polymer compositions

#286
20180187067
2018-07-05

Pressure-reducing and injection-enhancing anti scaling agent for low-permeability water-injection well and preparation method thereof

#287
20180179434
2018-06-28

Controlled release solid scale inhibitors

#288
20180172596
2018-06-21

Method and solution for assaying inhibitors in a petroleum fluid containing water

#289
20180171771
2018-06-21

Squeeze treatment for in situ scavenging of hydrogen sulfide

#290
20180171211
2018-06-21

Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives

#291
20180169714
2018-06-21

Compositions, systems, and methods for removing iron sulfide scale from oilfield components

#292
20180155613
2018-06-07

Stimulation of wells in nano-darcy shale formations

#293
20180134939
2018-05-17

METHOD OF USING CROSSLINKED WELL TREATMENT AGENTS FOR SLOW RELEASE INTO WELL

#294
20180118998
2018-05-03

Controlled-Release Chemical Particulate Composition for Well Treatment

#295
20180105754
2018-04-19

Electrolyzed water-amine compositions and methods of use

#296
20180105732
2018-04-19

Composition and method for inhibition of sulfide scales

#297
20180086969
2018-03-29

Treatment fluids for reducing subterranean formation damage

#298
20180079951
2018-03-22

Method for removing organic and inorganic deposits in one step

#299
20180072939
2018-03-15

Method of using shaped compressed pellets in well treatment operations

#300
20180057731
2018-03-01

Polymer Matrix Particles For Inhibitingscale Formation In Oil And Gas Wells