Patents-Review.com
ClassID:

104351 ⎘

C09K8/82 - 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 Oil-based compositions

Recent Application in this class:
#1
20260049241
2026-02-19

HIGHLY CONCENTRATED PARTICULATE POLYMER FRICTION-REDUCING SLURRY COMPOSITIONS AND FRACTURING FLUIDS MADE THEREFROM AND METHODS FOR MAKING AND USING SAME

 #2
20250198268
2025-06-19

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

 #3
20250179348
2025-06-05

SURFACE TREATMENT COMPOSITIONS USED FOR CARBON SEQUESTRATION, HYDRAULIC FRACTURING AND INCREASING OIL PRODUCTION FROM A SUBTERRANEAN FORMATION, AND METHOD OF HYDRAULIC FRACTURING

 #4
20250084300
2025-03-13

RADIATION ACTIVATED WELL TREATMENT

 #5
20240384163
2024-11-21

USE OF MICROCAPSULES COMPOSED OF AN OIL-BASED DRAG-REDUCING POLYMER (DRP) IN ITS INTERNAL PHASE IN OIL AND GAS PRODUCTION FIELDS

 #6
20240240073
2024-07-18

THERMAL INSULATING FLUIDS

 #7
20240174915
2024-05-30

Methods of increasing oil production from a subterranean formation, method of hydraulic fracturing, and surface treatment compositions used therein

 #8
20240166942
2024-05-23

Friction reducers for dissolved solids tolerance

 #9
20240093086
2024-03-21

HYDROPHIBIC CARBON-DOTS FOR OIL TRACERS

 #10
20240067870
2024-02-29

Friction reducers for dissolved solids tolerance

 #11
20240034826
2024-02-01

DRAG REDUCING AGENT AND PROCESS OF MANUFACTURE THEREOF

 #12
20240018412
2024-01-18

VISCOSIFYING FRICTION REDUCERS

 #13
20230357629
2023-11-09

Inverting surfactants for inverse emulsions

 #14
20230332035
2023-10-19

DILUTED CATIONIC FRICTION REDUCERS

 #15
20230279284
2023-09-07

Methods for making and using retarded acid compositions for well stimulation

 #16
20230272259
2023-08-31

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

 #17
20220195098
2022-06-23

Drag reducing agent and process of manufacture thereof

 #18
20220169918
2022-06-02

Enhancing foam stability using allium sativum oil

 #19
20220162383
2022-05-26

Silane-Functionalized Polyalkyleneimine Clay Stabilizer for Treatment of Subterranean Formations

 #20
20220073811
2022-03-10

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

 #21
20220025246
2022-01-27

Hydrocarbon based carrier fluid

 #22
20220017808
2022-01-20

Diluted cationic friction reducers

 #23
20220002610
2022-01-06

Stable high solids slurry compositions

 #24
20220002609
2022-01-06

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

 #25
20210371730
2021-12-02

Well treatment compositions and methods comprising certain microemulsions and certain clay control additives exhibiting synergistic effect of enhancing clay swelling protection and persistency

 #26
20210355374
2021-11-18

ENHANCING FOAM STABILITY USING ALLIUM SATIVUM OIL

 #27
20210292640
2021-09-23

Dust suppression compositions and methods making and using same

 #28
20210277758
2021-09-09

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

 #29
20210277302
2021-09-09

Methods for making and using retarded acid compositions for well stimulation

 #30
20210215026
2021-07-15

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

 #31
20210171826
2021-06-10

CONVERTING INVERT EMULSIONS TO EMULSIONS USING POLYVALENT SALTS OF POLYMERIC WEAK ACIDS

 #32
20210108132
2021-04-15

Well treatment compositions and methods comprising certain microemulsions and certain clay control additives exhibiting synergistic effect of enhancing clay swelling protection and persistency

 #33
20210079284
2021-03-18

Methods and compositions including associative polymers

 #34
20210047558
2021-02-18

Defoaming composition comprising a tall-oil-derived surfactant

 #35
20200399529
2020-12-24

Viscosifying friction reducers

 #36
20200399520
2020-12-24

Additives for oil and gas drilling and production

 #37
20200399519
2020-12-24

Additives for oil and gas drilling and production

 #38
20200399518
2020-12-24

Additives for oil and gas drilling and production

 #39
20200362231
2020-11-19

LOW-PHOSPHORUS AND NON-PHOSPHORUS GELLED HYDROCARBON WELL TREATMENT FLUIDS

 #40
20200283678
2020-09-10

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

 #41
20200231869
2020-07-23

Encapsulation and controlled delivery of strong mineral acids

 #42
20200231868
2020-07-23

Encapsulation and controlled delivery of strong mineral acids

 #43
20200216741
2020-07-09

ELECTRICALLY CONDUCTIVE OIL-BASED FLUIDS

 #44
20200208046
2020-07-02

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

 #45
20200172797
2020-06-04

Oil thinning compositions and retrieval methods

 #46
20200157416
2020-05-21

OIL-BASED FLUID COMPOSITIONS WITH ENHANCED ELECTRICAL CONDUCTIVITY

 #47
20200131423
2020-04-30

Additives for oil and gas drilling and production

 #48
20200115625
2020-04-16

Using polyaminated fatty acid-based oil compositions for controlling dust from additive particles

 #49
20200063027
2020-02-27

NANOMATERIALS STABILIZED EMULSIONS AS FRACTURING FLUID SYSTEM

 #50
20200063023
2020-02-27

PROPPANT STABILIZED WATER IN OIL EMULSIONS FOR SUBTERRANEAN APPLICATIONS

 #51
20200048540
2020-02-13

Acidizing and proppant transport with emulsified fluid

 #52
20190382650
2019-12-19

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

 #53
20190300781
2019-10-03

Liquid gas treatment fluids for use in subterranean formation operations

 #54
20190264093
2019-08-29

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

 #55
20190249066
2019-08-15

DRILLING FLUID ADDITIVES AND FRACTURING FLUID ADDITIVES CONTAINING CELLULOSE NANOFIBERS AND/OR NANOCRYSTALS

 #56
20190225856
2019-07-25

ELECTRICALLY CONDUCTIVE OIL-BASED FLUIDS

 #57
20190194520
2019-06-27

Viscosifier for oil well fluids

 #58
20190185741
2019-06-20

Oil timing compositions and retrieval methods

 #59
20190153304
2019-05-23

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

 #60
20190143289
2019-05-16

Phase transfer for the preparation of stable nano-scale organosols

 #61
20190136113
2019-05-09

Performance non-emulsifiers that employ branched alcohols and a new high-solvency carrier oil

 #62
20190106615
2019-04-11

CONTROLLING PRODUCTION OF WATER IN SUBTERRANEAN FORMATIONS

 #63
20190093007
2019-03-28

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

 #64
20190093003
2019-03-28

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

 #65
20190063201
2019-02-28

Method of fracturing with delayed crosslinking of gelling agents

 #66
20190055461
2019-02-21

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

 #67
20190048246
2019-02-14

AQUEOUS AMPHOLYTE POLYMER CONTAINING SOLUTIONS FOR SUBTERRANEAN APPLICATIONS

 #68
20190010387
2019-01-10

Compositions for dust control and methods making and using same

 #69
20180362825
2018-12-20

Metalate-based additives for use in subterranean formations

 #70
20180328147
2018-11-15

Fracturing fluids and methods of treating hydrocarbon formations

 #71
20180306006
2018-10-25

Methods of using superabsorbent polymers for fracturing and sand control applications

 #72
20180291256
2018-10-11

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

 #73
20180282607
2018-10-04

Hydrocarbon-free emulsifier

 #74
20180273834
2018-09-27

METHODS FOR MAKING AND USING RETARDED ACID COMPOSITIONS FOR WELL STIMULATION

 #75
20180273823
2018-09-27

Colloidal dispersions (sols) for weighting agents in fluids

 #76
20180265635
2018-09-20

Silane-functionalized polyalkyleneimine clay stabilizer for treatment of subterranean formations

 #77
20180258342
2018-09-13

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

 #78
20180244974
2018-08-30

Diluted cationic friction reducers

 #79
20180223179
2018-08-09

COMPOSITION AND METHOD FOR REDUCING THE VISCOSITY OF HEAVY OIL

 #80
20180223178
2018-08-09

RENEWABLE DIESEL BASE FLUIDS FOR USE IN SUBTERRANEAN FORMATION OPERATIONS

 #81
20180201828
2018-07-19

Proppant comprising swellable coating thereon for treatment of subterranean formations

 #82
20180194993
2018-07-12

Methods for recovering hydrocarbon materials from subterranean formations

 #83
20180187068
2018-07-05

Method of preparing and using drag-reducing dispersion polymer compositions

 #84
20180118994
2018-05-03

Esteramides and subterranean treatment fluids containing said esteramides

 #85
20180105736
2018-04-19

Hydrolyzable particle compositions, treatment fluids and methods

 #86
20180066178
2018-03-08

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

 #87
20170369760
2017-12-28

Invert emulsion treatment fluids comprising polar organic compounds and methods of use in subterranean operations

 #88
20170355899
2017-12-14

LOW-PHOSPHORUS AND NON-PHOSPHORUS GELLED HYDROCARBON WELL TREATMENT FLUIDS

 #89
20170349815
2017-12-07

Enhancements of gelled hydrocarbon systems

 #90
20170349813
2017-12-07

Smart fracturing fluid

 #91
20170335175
2017-11-23

Emulsified acidic treatment fluid with surface modification agents

 #92
20170335166
2017-11-23

Methods of designing an invert emulsion fluid having high associative stability

 #93
20170321112
2017-11-09

Fractures treatment

 #94
20170313933
2017-11-02

COMPOSITION AND METHOD FOR REDUCING THE VISCOSITY OF HEAVY OIL

 #95
20170298268
2017-10-19

Y-Grade NGL stimulation fluids

 #96
20170292062
2017-10-12

Well service fluid composition and method of using microemulsions as flowback aids

 #97
20170292057
2017-10-12

Hydrocarbon based carrier fluid

 #98
20170275526
2017-09-28

SUPERCRITICAL Y-GRADE NGL

 #99
20170267910
2017-09-21

Oil-based drilling fluids containing an alkaline-earth diamondoid compound as rheology modifier

 #100
20170253793
2017-09-07

Methods For Recovering Hydrocarbon Materials From Subterranean Formations

 #101
20170253785
2017-09-07

Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations

 #102
20170233632
2017-08-17

Electrically conductive oil-based fluids

 #103
20170218256
2017-08-03

Treatment of Subterranean Formations with Compositions Including Mycelium

 #104
20170210979
2017-07-27

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

 #105
20170210975
2017-07-27

Compositions for, solutions for, and methods of use of siloxane based aromatic trisureas as viscosifiers

 #106
20170183564
2017-06-29

Encapsulation and controlled delivery of strong mineral acids

 #107
20170152432
2017-06-01

Generating and maintaining conductivity of microfractures in tight formations with inverted microemulsified acid treatment fluids

 #108
20170121594
2017-05-04

Proppant particulates and methods of using such particulates in subterranean applications

 #109
20170002262
2017-01-05

Sulfonated relative permeability modifiers for reducing subterranean formation water permeability

 #110
20160355722
2016-12-08

Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations

 #111
20160312108
2016-10-27

Hydrocarbon-based fracturing fluid composition, system, and method

 #112
20160312101
2016-10-27

Pyromellitamide gelling agents

 #113
20160289543
2016-10-06

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

 #114
20160251572
2016-09-01

Oil thinning compositions and retrieval methods

 #115
20160251567
2016-09-01

VISCOSIFYING FRICTION REDUCERS

 #116
20160244661
2016-08-25

Emulsion system utilizing nitrogen and heat to treat deep water blockage

 #117
20160244660
2016-08-25

Treatment fluids containing a hydrophobically modified chelating agent and methods for use thereof

 #118
20160230065
2016-08-11

Dual-purpose viscosifier and surface active additives and methods of use

 #119
20160194551
2016-07-07

Method for removing bitumen to enhance formation permeability

 #120
20160186045
2016-06-30

Composition including functionalized polysaccharide for treatment of subterranean formations

 #121
20160177165
2016-06-23

Amide branched aromatic celling agents

 #122
20160168444
2016-06-16

Methods of designing an invert emulsion fluid having high associative stability

 #123
20160122628
2016-05-05

Y-grade NGL stimulation fluids

 #124
20160108306
2016-04-21

Latent curing agent compatible with low pH frac fluids

 #125
20160060504
2016-03-03

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

 #126
20160053165
2016-02-25

Mucilage comprising treatment fluids for subterranean formation operations

 #127
20160032168
2016-02-04

Viscosifier for oil well fluids

 #128
20160024369
2016-01-28

METHOD OF REDUCING FRICTIONAL LOSSES IN OIL AND GAS WELL DRILLING

 #129
20160024367
2016-01-28

Ethylene viscosifier polymer for treatment of a subterranean formation

 #130
20160017215
2016-01-21

Encapsulation and controlled delivery of strong mineral acids

 #131
20160017203
2016-01-21

Salt tolerant friction reducer

 #132
20160017202
2016-01-21

Electrically conductive oil-based fluids

 #133
20160017201
2016-01-21

Electrically conductive oil-based fluids

 #134
20160003018
2016-01-07

Methods and compositions for use in oil and/or gas wells comprising a terpene alcohol

 #135
20150368541
2015-12-24

DRILLING FLUID ADDITIVES AND FRACTURING FLUID ADDITIVES CONTAINING CELLULOSE NANOFIBERS AND/OR NANOCRYSTALS

 #136
20150329765
2015-11-19

Process for enhancing biogenic methane production from a carbonaceous material using a nutrient composition with low nitrogen/high phosphorus concentrations

 #137
20150322744
2015-11-12

High temperature viscosifier for insulating packer fluids

 #138
20150291873
2015-10-15

Thermoset nanocomposite particles, processing for thier production, and their use in oil and natural gas drilling applications

 #139
20150291872
2015-10-15

Activators for use in the viscosification of non-aqueous fluids

 #140
20150218432
2015-08-06

Heat removal in drilling and production operations

 #141
20150159074
2015-06-11

Reservoir wellbore fluid

 #142
20150152313
2015-06-04

Rheology modifier for drilling and well treatment fluids

 #143
20150141300
2015-05-21

Fluorous additives for use in a fluorous-based treatment fluid

 #144
20150133347
2015-05-14

AQUEOUS AMPHOLYTE POLYMER CONTAINING SOLUTIONS FOR SUBTERRANEAN APPLICATIONS

 #145
20150027702
2015-01-29

Methods of treatment of a subterranean formation with polymeric structures formed in situ

 #146
20150005204
2015-01-01

Methods of using downhole compositions including an ion-sequestering compound

 #147
20140378354
2014-12-25

Fracturing fluid composition and method of using same in geological formations

 #148
20140371114
2014-12-18

Far field diversion technique for treating subterranean formation

 #149
20140367108
2014-12-18

Acidizing compositions including ampholyte polymers

 #150
20140367101
2014-12-18

Protected scale inhibitors and methods relating thereto

 #151
20140352969
2014-12-04

Ampholyte polymers and methods of treating subterranean formations with the same

 #152
20140352962
2014-12-04

Ampholyte polymeric compounds in subterranean applications

 #153
20140352960
2014-12-04

Ampholyte polymeric compounds in subterranean applications

 #154
20140342950
2014-11-20

Methods for use of oil-soluble weighting agents in subterranean formation treatment fluids

 #155
20140338912
2014-11-20

Thermally-activated gellant for an oil or gas treatment fluid

 #156
20140329725
2014-11-06

Dual retarded acid system for well stimulation

 #157
20140326452
2014-11-06

Hydrolyzable particle compositions, treatment fluids and methods

 #158
20140251611
2014-09-11

Methods of transporting proppant particulates in a subterranean formation

 #159
20140224495
2014-08-14

Hydrocarbon fluid flow improver

 #160
20140142004
2014-05-22

Amide branched aromatic gelling agent enhancers and breakers

 #161
20140138160
2014-05-22

Hydrocarbon-based drilling fluids containing cesium phosphate

 #162
20140073540
2014-03-13

Acid-in-oil emulsion compositions and methods for treating hydrocarbon-bearing formations

 #163
20140060841
2014-03-06

Fluorous additives for use in a fluorous-based treatment fluid

 #164
20140051611
2014-02-20

Crosslinking composition for hydrocarbon gels

 #165
20140011713
2014-01-09

Environment friendly base fluid to replace the toxic mineral oil-based base fluids

 #166
20130341023
2013-12-26

Use of metal silicides in hydrocarbon production and transportation

 #167
20130261030
2013-10-03

Fluids for use with High-frequency Downhole Tools

 #168
20130228329
2013-09-05

Oil thinning compositions and retrieval methods

 #169
20130085087
2013-04-04

Pyromellitamide gelling agents

 #170
20130045899
2013-02-21

Compositions And Methods To Stabilize Acid-In-Oil Emulsions

 #171
20120216990
2012-08-30

Heat removal in drilling and production operations

 #172
20120149605
2012-06-14

Composition and method for using waxy oil-external emulsions to modify reservoir permeability profiles

 #173
20120132421
2012-05-31

Hydrolyzable particle compositions, treatment fluids and methods

 #174
20120111564
2012-05-10

Methods and compositions for altering the viscosity of treatment fluids used in subterranean operations

 #175
20120071369
2012-03-22

Environment friendly base fluid to replace the toxic mineral oil-based base fluids

 #176
20120037371
2012-02-16

Well servicing fluid

 #177
20120035085
2012-02-09

Drag-reducing copolymer compositions

 #178
20110303415
2011-12-15

Far field diversion technique for treating subterranean formation

 #179
20110303414
2011-12-15

Method for improving the clean-up of emulsified acid fluid systems

 #180
20110254553
2011-10-20

Electrically conductive oil-based drilling fluids

 #181
20110174334
2011-07-21

Inhibiting corrosion and scaling of surfaces contacted by sulfur-containing materials

 #182
20110111989
2011-05-12

COMPOSITIONS AND METHODS TO STABILIZE ACID-IN-OIL EMULSIONS

 #183
20100311620
2010-12-09

WINTERIZING AGENTS FOR OIL BASE POLYMER SLURRIES AND METHOD FOR MAKING AND USING SAME

 #184
20100222240
2010-09-02

Wellbore Servicing Fluids Comprising Grafted Homopolymers and Methods of Using Same

 #185
20090301714
2009-12-10

Composition and method for using waxy oil-external emulsions to modify reservoir permeability profiles

 #186
20090270280
2009-10-29

Water-in-oil emulsions with hydrogel droplets background

 #187
20090181866
2009-07-16

Methods and compositions for altering the viscosity of treatment fluids used in subterranean operations

 #188
20090118143
2009-05-07

Methods for manipulation of the flow of fluids in subterranean formations

 #189
20080236845
2008-10-02

Method for increasing the production of hydrocarbon liquids and gases

 #190
20080194436
2008-08-14

Methods for using reversible phase oil-based drilling fluid

 #191
20080146463
2008-06-19

Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids

 #192
20070265172
2007-11-15

Wellbore servicing fluids comprising grafted homopolymers and methods of using same

 #193
20070179065
2007-08-02

Resin compositions and methods of using such resin compositions in subterranean applications

 #194
20070111902
2007-05-17

Methods for using reversible phase oil-based drilling fluid

 #195
20070111895
2007-05-17

Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations

 #196
20060276347
2006-12-07

Concentrated suspensions

 #197
20060096756
2006-05-11

Difunctional phosphorus-based gelling agents and gelled nonaqueous treatment fluids and associated methods

 #198
20060037754
2006-02-23

Gelled liquid hydrocarbon treatment fluids having reduced phosphorus volatility and their associated methods of use and preparation

 #199
20060032632
2006-02-16

Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations

 #200
20060009364
2006-01-12

Viscous oleaginous fluids and methods of drilling and servicing wells therewith

 #201
20050233911
2005-10-20

Gelled oil with surfactant

 #202
20050209107
2005-09-22

Composition and process for the treatment of hydrogen sulfide

 #203
20050202978
2005-09-15

Polymer-based, surfactant-free, emulsions and methods of use thereof

 #204
20050202977
2005-09-15

Surfactant-free emulsions and methods of use thereof

 #205
20050197258
2005-09-08

Resin compositions and methods of using such resin compositions in subterranean applications

 #206
20050189112
2005-09-01

Compositions and methods for treating subterranean formations with liquefied petroleum gas

 #207
20050189111
2005-09-01

Optimized hydrocarbon blends and methods of using optimized hydrocarbon blends

 #208
20050189110
2005-09-01

CO miscible optimized hydrocarbon blends and methods of using CO miscible optimized hydrocarbon blends

 #209
20050170975
2005-08-04

Process for treating an oil well

 #210
20050170974
2005-08-04

Process for treating an oil well

 #211
18628135
2026-03-31

Well treatment compositions and methods of making and using same

 #212
18537488
2024-11-05

Low-shrinkage and high-strength plant-based resinous blocking agent and preparation method thereof

 #213
17546997
2022-11-15

On-site conversion of a flammable wellbore gas to an oleaginous liquid

 #214
13632435
2016-04-19

Methods for improving friction reduction in aqueous brine

 #215
12268408
2014-10-21

Drag-reducing copolymer compositions