Patents-Review.com
ClassID:

104278 ⎘

C09K8/36 - 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; Well-drilling compositions; Non-aqueous well-drilling compositions, e.g. oil-based Water-in-oil emulsions

Recent Application in this class:
#1
20260055313
2026-02-26

INVERT EMULSION DRILLING FLUID

 #2
20260042949
2026-02-12

WELLBORE FLUIDS INCLUDING EMULSIFIERS, AND RELATED METHODS

 #3
20260028520
2026-01-29

EMULSION STABILIZING AGENTS

 #4
20250368881
2025-12-04

POURABLE WETTING AGENTS AND METHODS ASSOCIATED THEREWITH

 #5
20250236780
2025-07-24

LOW DENSITY OIL-BASED WELLBORE FLUIDS AND METHODS THEREOF

 #6
20250179343
2025-06-05

BIODEGRADABLE SURFACTANT FLUID LOSS CONTROL ADDITIVE

 #7
20250171676
2025-05-29

NON-AQUEOUS BASED COMPLETION FLUID COMPOSITION

 #8
20250101309
2025-03-27

SOLID EMULSIFIERS, DRILLING FLUIDS, AND METHODS OF MAKING AND USING THE SAME

 #9
20250043168
2025-02-06

DRILLING FLUID

 #10
20240368449
2024-11-07

POLYHEDRAL OLIGOMERIC SILSESQUIOXANE AS RHEOLOGY BOOSTER FOR INVERT EMULSION OIL-BASED MUD

 #11
20240360354
2024-10-31

NANOEMULSION AND METHOD FOR PREPARATION THEREOF, AND HIGH-TEMPERATURE-RESISTANT, HIGH-DENSITY, OIL-BASED WELL COMPLETION FLUID AND APPLICATION THEREOF

 #12
20240287375
2024-08-29

COMPOSITIONS AND METHODS FOR WELL CEMENTING

 #13
20240287374
2024-08-29

EMULSION STABILIZING AGENTS

 #14
20240093083
2024-03-21

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

 #15
20240018412
2024-01-18

VISCOSIFYING FRICTION REDUCERS

 #16
20230416590
2023-12-28

QUATERNARY AMMONIUM SALTS AS PRIMARY VISCOSIFIER FOR INVERT-EMULSION DRILLING FLUIDS

 #17
20230383169
2023-11-30

Low density oil-based wellbore fluids and methods thereof

 #18
20230383168
2023-11-30

Drilling fluid for hydrogen sulfide treatment

 #19
20230383167
2023-11-30

ORGANOCLAY-FREE INVERT EMULSION OIL-BASED DRILLING FLUIDS WITH POLYHEDRAL OLIGOMERIC SILSESQUIOXANE

 #20
20230374365
2023-11-23

EMULSIFIER FOR SYNTHETIC-BASED MUD, PROCESS FOR PREPARATION, AND DRILLING METHOD

 #21
20230357629
2023-11-09

Inverting surfactants for inverse emulsions

 #22
20230357624
2023-11-09

CONDITIONING DRILLING FLUID

 #23
20230357623
2023-11-09

Double-chamber microcapsule for drilling fluid and self-reversing reversible water-in-oil drilling fluid and preparation method thereof

 #24
20230332035
2023-10-19

DILUTED CATIONIC FRICTION REDUCERS

 #25
20230242803
2023-08-03

High density brine internal phase

 #26
20230212449
2023-07-06

Low-end rheology modifier for oil based drilling fluids

 #27
20230183544
2023-06-15

Compositions and methods for well cementing

 #28
20230167350
2023-06-01

High-performance primary emulsifier for invert-emulsion oil based mud

 #29
20230137391
2023-05-04

ORGANOPHILIC CLAYS AND DRILLING FLUIDS CONTAINING THEM

 #30
20230104120
2023-04-06

Polyhedral oligomeric silsesquioxane as rheology booster for invert emulsion oil-based mud

 #31
20230072927
2023-03-09

Methods for completing a wellbore using high density brine containing colloidal particles

 #32
20230072831
2023-03-09

Amide emulsifier for high-temperature oil-based drilling fluid

 #33
20230064252
2023-03-02

Drilling fluid composition comprising vegetable derivatives

 #34
20230019003
2023-01-19

Friction reducers for high TDS brines

 #35
20220348815
2022-11-03

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

 #36
20220298404
2022-09-22

Processing produced fluids for fluid recovery

 #37
20220290032
2022-09-15

Oil-based drilling fluid composition, oil-based drilling fluid and preparation method and use thereof

 #38
20220242786
2022-08-04

CEMENT SLURRIES, CURED CEMENT AND METHODS OF MAKING AND USE THEREOF

 #39
20220098466
2022-03-31

Methods for producing an emulsifier suitable for use in an emulsion drilling fluid

 #40
20220089932
2022-03-24

Invert emulsifier for use in invert emulsion drilling fluids

 #41
20220081495
2022-03-17

MANUFACTURING METHOD FOR INVERSE EMULSION POLYMER

 #42
20220033702
2022-02-03

Methods for wellbore strengthening

 #43
20220017808
2022-01-20

Diluted cationic friction reducers

 #44
20220017807
2022-01-20

Epoxidized fatty acid methyl ester as low-shear rheology modifier for invert emulsion oil based mud

 #45
20210403789
2021-12-30

Flat rheology wellbore fluids for generating clean wellbores

 #46
20210403787
2021-12-30

Environmentally friendly ester-structures as viscosifier for oil based drilling fluids

 #47
20210395597
2021-12-23

Low density oil-based wellbore fluids and methods thereof

 #48
20210340425
2021-11-04

Terpene-based spotting fluid compositions for differential sticking

 #49
20210332283
2021-10-28

LIGNIN DERIVATIVES FOR IMPROVED SUSPENSION AND RESERVOIR DRILLING

 #50
20210323909
2021-10-21

Amidoamine synthesis, methods to track the reaction process

 #51
20210198552
2021-07-01

Reversible oil-based mud

 #52
20210180438
2021-06-17

Reverse emulsions for cavity control

 #53
20210179910
2021-06-17

LUBRICANT FOR DRILLING AND DRILL-IN FLUIDS

 #54
20210163808
2021-06-03

Thermal stability of high temperature oil based system enhanced by organophilic clay

 #55
20210102109
2021-04-08

OIL AND GAS WELL FLUIDS

 #56
20210079285
2021-03-18

Oil-based drill-in fluid with enhanced fluid loss properties

 #57
20210071060
2021-03-11

Drilling fluids and methods of making thereof

 #58
20210054255
2021-02-25

Weighted drilling fluid containing organophilic phyllosilicate

 #59
20210047922
2021-02-18

Measuring the oil content in oil-based drilling fluids

 #60
20210047554
2021-02-18

Organophilic clays and drilling fluids containing them

 #61
20210047553
2021-02-18

RHEOLOGY DRILLING FLUID AND METHOD

 #62
20210040374
2021-02-11

Processing produced fluids for fluid recovery

 #63
20210032525
2021-02-04

Spacer fluids and cement slurries that include surfactants

 #64
20210017832
2021-01-21

Method for killing oil and gas wells

 #65
20210009889
2021-01-14

Rheology modifier for organoclay-free invert emulsion drilling fluid systems

 #66
20200407621
2020-12-31

EMULSIFIED DRILLING FLUIDS AND METHODS OF MAKING AND USE THEREOF

 #67
20200399529
2020-12-24

Viscosifying friction reducers

 #68
20200385626
2020-12-10

INVERT-EMULSION OIL BASED MUD FORMULATION USING CALCIUM SALT OF FATTY ACID AS PRIMARY EMULSIFIER

 #69
20200369945
2020-11-26

Acid sensitive emulsifier for use in subterranean treatment operations

 #70
20200369941
2020-11-26

High density brine internal phase

 #71
20200299562
2020-09-24

Drilling fluid for downhole electrocrushing drilling

 #72
20200291286
2020-09-17

Emulsifiers for Invert Emulsion Drilling Fluids

 #73
20200291285
2020-09-17

Development of retarded acid system

 #74
20200284109
2020-09-10

Method and model for wellbore strengthening by filtercake

 #75
20200263074
2020-08-20

Alkyl ester spotting fluid compositions for differential sticking

 #76
20200263073
2020-08-20

Alkyl ester spotting fluid compositions for differential sticking

 #77
20200263072
2020-08-20

High solids tolerant invert emulsion fluids

 #78
20200255717
2020-08-13

Oil-based drilling fluids for high pressure and high temperature drilling operations

 #79
20200248061
2020-08-06

Lubricants for water-based drilling fluids

 #80
20200247744
2020-08-06

N-hydroxyalkylated polyamines, methods of making n-hydroxyalkylated polyamines, and fluids containing an n-hydroxyalkylated polyamine

 #81
20200231860
2020-07-23

Additive to improve cold temperature properties in oil-based fluids

 #82
20200216742
2020-07-09

Oil-based drilling fluids for high pressure and high temperature drilling operations

 #83
20200216739
2020-07-09

Additive to enhance sag stability of drilling fluid

 #84
20200208038
2020-07-02

Microsphere compositions and methods for production in oil-based drilling fluids

 #85
20200181482
2020-06-11

Invert emulsion containing vegetable oil

 #86
20200181474
2020-06-11

Organoclay compositions and oil-based drilling fluid comprising the clays

 #87
20200165506
2020-05-28

Drilling fluid for downhole electrocrushing drilling

 #88
20200165505
2020-05-28

Branched acid emulsifier compositions and methods of use

 #89
20200165504
2020-05-28

Spacer fluid compositions that include surfactants

 #90
20200157403
2020-05-21

Waste vegetable oil-based emulsifier for invert emulsion drilling fluid

 #91
20200148934
2020-05-14

Invert emulsion drilling fluids with fatty acid and fatty amine rheology modifiers

 #92
20200140739
2020-05-07

Methods of using drilling fluid compositions with enhanced rheology

 #93
20200123429
2020-04-23

METHODS FOR TREATING A DRILLING FLUID

 #94
20200115615
2020-04-16

Method of producing hydroxyalkylcarbamate-functional polyamides and uses thereof

 #95
20200115614
2020-04-16

Conditioning drilling fluid

 #96
20200095856
2020-03-26

Reverse emulsions for cavity control

 #97
20200095491
2020-03-26

Development of anti-bit balling fluids

 #98
20200087563
2020-03-19

Invert emulsion drilling fluids with fatty acid and fatty diol rheology modifiers

 #99
20200087562
2020-03-19

Lignin derivatives based drilling fluid additive

 #100
20200087560
2020-03-19

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

 #101
20200072776
2020-03-05

Characterisation of emulsion stability

 #102
20200040252
2020-02-06

Method of treating a portion of a subterranean formation with improved water in oil emulsion

 #103
20200040247
2020-02-06

Development of anti-bit balling fluids

 #104
20200032134
2020-01-30

WATER-IN-OIL EMULSION COMPOSITION AND METHOD OF TREATING SUBTERRANEAN FORMATION USING SAME

 #105
20200024502
2020-01-23

Drilling fluid for downhole electrocrushing drilling

 #106
20200024501
2020-01-23

Rheology modifier for subterranean treatment fluids

 #107
20200002594
2020-01-02

COMPOSITIONS FOR USE IN DRILLING FLUIDS

 #108
20190390102
2019-12-26

Double emulsified acids and methods for producing and using the same

 #109
20190382651
2019-12-19

Double emulsified acids and methods for producing and using the same

 #110
20190382641
2019-12-19

Additive to improve cold temperature properties in oil-based fluids

 #111
20190375976
2019-12-12

Oil based drilling fluids useful having reduced change in high shear viscosity over a wide temperature range

 #112
20190359879
2019-11-28

Methods for producing emulsifiers for oil-based drilling fluids

 #113
20190359878
2019-11-28

ADDITIVES USEFUL FOR DRILLING FLUIDS

 #114
20190338182
2019-11-07

Double emulsified acids and methods for producing and using the same

 #115
20190330510
2019-10-31

(Meth)acrylic copolymers as rheological additives in drilling fluids and drilling fluids comprising such copolymers

 #116
20190322920
2019-10-24

Effective pour point depressants for amidoamine emulsifiers

 #117
20190316021
2019-10-17

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

 #118
20190316020
2019-10-17

Organoclay composition and its use

 #119
20190292432
2019-09-26

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

 #120
20190292431
2019-09-26

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

 #121
20190276725
2019-09-12

Ecofriendly emulsifier synthesis from esterified waste vegetable oil for wellbore drilling fluids

 #122
20190242203
2019-08-08

In-line methods and apparatuses for determining the composition of an emulsified drilling fluid

 #123
20190241793
2019-08-08

Inverse emulsion compositions

 #124
20190233709
2019-08-01

High solids tolerant invert emulsion fluids

 #125
20190233708
2019-08-01

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

 #126
20190233707
2019-08-01

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

 #127
20190225901
2019-07-25

Industrial Fluid

 #128
20190225873
2019-07-25

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

 #129
20190211251
2019-07-11

Biodegradable water-in-oil emulsion drilling fluid

 #130
20190211250
2019-07-11

Jojoba oil drilling fluid

 #131
20190210956
2019-07-11

N-hydroxyalkylated polyamines, methods of making N-hydroxyalkylated polyamines, and fluids containing an N-hydroxyalkylated polyamine

 #132
20190203096
2019-07-04

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

 #133
20190203095
2019-07-04

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

 #134
20190202773
2019-07-04

N-hydroxyalkylated polyamines, methods of making N-hydroxyalkylated polyamines, and fluids containing an N-hydroxyalkylated polyamine

 #135
20190201858
2019-07-04

Surfactant compositions and use thereof as inverter of water-in-oil emulsion polymers

 #136
20190185734
2019-06-20

Invert emulsions having a non-aqueous based internal phase containing dissolved salts

 #137
20190153289
2019-05-23

Emulsion, method for the production thereof and use thereof

 #138
20190153288
2019-05-23

Invert emulsion drilling fluids with fatty acid and fatty amine rheology modifiers

 #139
20190153287
2019-05-23

Invert emulsion drilling fluids

 #140
20190136114
2019-05-09

Conductive wellbore fluids and/or filtercakes, wellbore fluids for producing the same, and methods of use thereof

 #141
20190136113
2019-05-09

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

 #142
20190127624
2019-05-02

Modified asphalt particles and preparation method and use thereof

 #143
20190106614
2019-04-11

LOW SOLIDS OIL BASED WELL FLUID WITH PARTICLE-STABILIZED EMULSION

 #144
20190092996
2019-03-28

DISPERSANT IN CEMENT FORMULATIONS FOR OIL AND GAS WELLS

 #145
20190062615
2019-02-28

ORGANOCLAY COMPOSITIONS AND OIL-BASED DRILLING FLUID COMPRISING THE CLAYS

 #146
20190055462
2019-02-21

Y-GRADE NGL FRACTURING FLUIDS

 #147
20190055460
2019-02-21

Thermally stable surfactants for oil based drilling fluids

 #148
20190055453
2019-02-21

Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiers

 #149
20190055452
2019-02-21

Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiers and amino amides as emulsifiers

 #150
20190055451
2019-02-21

Layered double hydroxides for oil-based drilling fluids

 #151
20190055450
2019-02-21

Layered double hydroxides for oil-based drilling fluids

 #152
20190055449
2019-02-21

Oil-based drilling fluids for high pressure and high temperature drilling operations

 #153
20190055448
2019-02-21

Oil-based drilling fluids for high pressure and high temperature drilling operations

 #154
20190055447
2019-02-21

THERMALLY STABLE SURFACTANTS FOR OIL BASED DRILLING FLUIDS

 #155
20190055446
2019-02-21

Thermally stable surfactants for oil based drilling fluids

 #156
20190048246
2019-02-14

AQUEOUS AMPHOLYTE POLYMER CONTAINING SOLUTIONS FOR SUBTERRANEAN APPLICATIONS

 #157
20190040296
2019-02-07

Thermal stability of high temperature oil based system enhanced by organophilic clay

 #158
20190031945
2019-01-31

Surfactant that changes the wettability of tight sandstone and its preparation method and application

 #159
20190031940
2019-01-31

Ecofriendly emulsifier synthesis from esterified waste vegetable oil for wellbore drilling fluids

 #160
20190023964
2019-01-24

Additive to enhance sag stability of drilling fluid

 #161
20180355491
2018-12-13

Synthetic hydroxide compositions and uses thereof

 #162
20180340111
2018-11-29

Thermal thickening in invert emulsion treatment fluids

 #163
20180320063
2018-11-08

Development of retarded acid system

 #164
20180320050
2018-11-08

Methods of using drilling fluid compositions with enhanced rheology

 #165
20180312439
2018-11-01

Dispersant in cement formulations for oil and gas wells

 #166
20180312405
2018-11-01

EXTRACTION OF PLATELET-LIKE PARTICLES FROM AQUEOUS TO NON-AQUEOUS MEDIA

 #167
20180305601
2018-10-25

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

 #168
20180298742
2018-10-18

Reverse emulsions for cavity control

 #169
20180298267
2018-10-18

Salt-free invert emulsion drilling fluids and methods of drilling boreholes

 #170
20180282607
2018-10-04

Hydrocarbon-free emulsifier

 #171
20180265762
2018-09-20

Salt-free invert emulsions for use in subterranean formation operations

 #172
20180251667
2018-09-06

Composition comprising an alkoxylated amine compound and a carboxylic acid compound, use thereof in water in oil emulsions and process using the composition as or as part of a drilling fluid

 #173
20180244976
2018-08-30

Fluids and methods for mitigating sag and extending emulsion stability

 #174
20180244975
2018-08-30

Additive to improve cold temperature properties in oil-based fluids

 #175
20180244974
2018-08-30

Diluted cationic friction reducers

 #176
20180244973
2018-08-30

Methods of cleaning invert emulsion drilling fluids

 #177
20180237681
2018-08-23

Rheology drilling fluid and method

 #178
20180223175
2018-08-09

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

 #179
20180223169
2018-08-09

Spacer fluid compositions that include surfactants

 #180
20180223168
2018-08-09

Spacer fluids and cement slurries that include surfactants

 #181
20180223167
2018-08-09

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

 #182
20180223166
2018-08-09

Invert emulsion based drilling fluid and methods of using same

 #183
20180223165
2018-08-09

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

 #184
20180223161
2018-08-09

Development of anti-bit balling fluids

 #185
20180223160
2018-08-09

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

 #186
20180223158
2018-08-09

Drilling fluid compositions with enhanced rheology and methods of using same

 #187
20180223157
2018-08-09

Oil-based fluid compositions for hydrocarbon recovery applications

 #188
20180223156
2018-08-09

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

 #189
20180223153
2018-08-09

Lubricants for water-based drilling fluids

 #190
20180222797
2018-08-09

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

 #191
20180202246
2018-07-19

In-line methods and apparatuses for determining the composition of an emulsified drilling fluid

 #192
20180201823
2018-07-19

Drilling fluid for downhole electrocrushing drilling

 #193
20180194988
2018-07-12

Emulsifiers for Invert Emulsion Drilling Fluids

 #194
20180194987
2018-07-12

Drilling fluid for downhole electrocrushing drilling

 #195
20180194986
2018-07-12

Drilling fluid for downhole electrocrushing drilling

 #196
20180187063
2018-07-05

Conductive Weighting Agents and Fluids Incorporating The Same

 #197
20180179433
2018-06-28

Drilling fluid composition containing a diester-based oil phase

 #198
20180179432
2018-06-28

Friction-reducing compositions for use in drilling operations

 #199
20180155604
2018-06-07

Organophilic clays and drilling fluids containing them

 #200
20180148626
2018-05-31

Invert emulsion drilling fluids with fatty acid and fatty diol rheology modifiers

 #201
20180148625
2018-05-31

Invert emulsion drilling fluids with fatty acid and fatty amine rheology modifiers

 #202
20180142135
2018-05-24

Invert emulsifiers from DCPD copolymers and their derivatives for drilling applications

 #203
20180134940
2018-05-17

Methods for producing emulsifiers for oil-based drilling fluids

 #204
20180118995
2018-05-03

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

 #205
20180118994
2018-05-03

Esteramides and subterranean treatment fluids containing said esteramides

 #206
20180112119
2018-04-26

Reverse emulsion-based slick water concentration system with drag reduction, flow back enhancement and clay stabilization functions

 #207
20180086965
2018-03-29

Alkylpolyglucoside derivative fluid loss control additives for wellbore treatment fluids

 #208
20180086963
2018-03-29

DRILLING AND FRACTURING FLUIDS COMPRISING ESTOLIDE COMPOUNDS

 #209
20180002590
2018-01-04

IN SITU SWELLING OF WATER-SWELLABLE POLYMERS DOWNHOLE

 #210
20170369760
2017-12-28

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

 #211
20170362528
2017-12-21

RAPIDLY INVERTING WATER-IN-OIL POLYMER EMULSIONS

 #212
20170362490
2017-12-21

Drilling fluid for downhole electrocrushing drilling

 #213
20170342341
2017-11-30

Additives for oilfield and industrial applications

 #214
20170335166
2017-11-23

Methods of designing an invert emulsion fluid having high associative stability

 #215
20170335165
2017-11-23

Drilling composition, process for its preparation, and applications thereof

 #216
20170327724
2017-11-16

Fluorinated packer fluids

 #217
20170321103
2017-11-09

Method of increasing lubricity of wellbore fluids

 #218
20170298264
2017-10-19

Use of nanoparticles as lubricity additive in well fluids

 #219
20170292056
2017-10-12

Invert emulsion drilling fluids

 #220
20170283681
2017-10-05

USE OF NANOPARTICLES AS LUBRICITY ADDITIVE IN WELL FLUIDS

 #221
20170283680
2017-10-05

EMULSIFIERS FOR INVERT EMULSION WELLBORE FLUIDS AND METHODS OF USE THEREOF

 #222
20170283679
2017-10-05

Salt-free fluorous-invert emulsion fluid

 #223
20170267911
2017-09-21

OIL ABSORBENT OILFIELD MATERIALS AS ADDITIVES IN OIL-BASED DRILLING FLUID APPLICATIONS

 #224
20170260440
2017-09-14

Method for reducing the rheology of high internal-phase-ratio emulsion wellbore fluids

 #225
20170247594
2017-08-31

Spray dried emulsifier compositions, methods for their preparation, and their use in oil-based drilling fluid compositions

 #226
20170233634
2017-08-17

Coiled-tubing fluid-lubricant composition and related methods

 #227
20170233633
2017-08-17

Drilling composition, process for its preparation, and applications thereof

 #228
20170226401
2017-08-10

Terpene-Based Spotting Fluid Compositions for Differential Sticking

 #229
20170226400
2017-08-10

Alkyl ester spotting fluid compositions for differential sticking

 #230
20170218253
2017-08-03

Method for drilling a well with reduced infiltration

 #231
20170198190
2017-07-13

Diverter composition including rheologically-modified invert emulsion and method of use

 #232
20170190945
2017-07-06

Branched acid emulsifier compositions and methods of use

 #233
20170183560
2017-06-29

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

 #234
20170174975
2017-06-22

EMULSIFIERS FOR WELLBORE STRENGTHENING

 #235
20170174974
2017-06-22

Encapsulated polymers and selective activation thereof

 #236
20170158941
2017-06-08

ENVIRONMENTALLY FRIENDLY WELLBORE CONSOLIDATING/FLUID LOSS MATERIAL

 #237
20170158940
2017-06-08

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