ClassID:

104997

C09K2208/34 - CPC Classification

Classification description:

Aspects relating to compositions of drilling or well treatment fluids Lubricant additives

Recent Application in this class:
#1
20260132329
2026-05-14

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

#2
20260125593
2026-05-07

DRILLING FLUID COMPOSITIONS COMPRISING A POLYMERIZED BIORENEWABLE OIL

#3
20260098202
2026-04-09

ADDITIVES FOR ENHANCING WEAR CONTROL PERFORMANCE OF OILFIELD CORROSION INHIBITORS

#4
20250346796
2025-11-13

COMPOSITIONS

#5
20250277143
2025-09-04

LUBRICANT BLENDS AND METHODS FOR IMPROVING LUBRICITY OF BRINE-BASED DRILLING FLUIDS

#6
20250043656
2025-02-06

METHOD FOR IMPROVING OIL AND GAS WELL PRODUCTIVITY AND ENCAPSULATED LUBRICATING FRAC FLUID ADDITIVE BY LUBRICATION OF STIMULATED RESERVOIR VOLUME

#7
20250019610
2025-01-16

BRINE-TOLERANT LUBRICANTS AND METHODS FOR USING THE SAME

#8
20250011641
2025-01-09

FORMULATION OF FRICTION REDUCING AGENT, METHOD FOR REDUCING FRICTION IN TURBULENT FLOW AND USE OF FRICTION REDUCING AGENT

#9
20240392653
2024-11-28

AUTONOMOUS CHEMICAL TREATMENT SYSTEM AND METHOD FOR DRILLING AND COMPLETION RIGS

#10
20240360353
2024-10-31

Non-greasing lubricant for high salinity fluids

#11
20240344418
2024-10-17

Method for improving oil and gas well productivity and encapsulated lubricating frac fluid additive by lubrication of stimulated reservoir volume

#12
20240343966
2024-10-17

SYNTHESIS AND USE OF GRAFTED GRAPHENE IN OIL BASED DRILLING FLUIDS AS A LOW SHEAR RATE VISCOSITY ENHANCER

#13
20240343965
2024-10-17

LUBRICATING ADDITIVE

#14
20240200726
2024-06-20

SURFACE-TREATED, TRANSPORTABLE ISO TANKS AND METHODS OF REDUCING DEPOSITION OF A FRICTION REDUCER ON A SURFACE

#15
20240200428
2024-06-20

SURFACE-TREATED GRAVEL PACK SCREENS AND METHODS OF REDUCING DEPOSITION OF A CONTAMINANT ON A SURFACE OF A GRAVEL PACK SCREEN

#16
20240199968
2024-06-20

METHODS OF REDUCING FRICTION ON A SURFACE OF AN APPARATUS THAT STORES OR TRANSPORTS A GAS

#17
20240043733
2024-02-08

Method for drilling a wellbore with a reduced ferrite sag composition

#18
20240034922
2024-02-01

Emulsion polymers and methods for improving pumpability

#19
20240026204
2024-01-25

LUBRICANT BLENDS AND METHODS FOR IMPROVING LUBRICITY OF BRINE-BASED DRILLING FLUIDS

#20
20240018848
2024-01-18

Autonomous chemical treatment system and method for drilling and completion rigs

#21
20240010903
2024-01-11

DEEP EUTECTIC SOLVENTS

#22
20230383164
2023-11-30

METHODS OF MAKING AND USING A LUBRICANT COMPOSITION

#23
20230357622
2023-11-09

Inhibitive divalent wellbore fluids, methods of providing said fluids, and uses thereof

#24
20230340315
2023-10-26

WELLBORE DRILLING FLUID LUBRICITY ADDITIVE AND METHODS

#25
20230323191
2023-10-12

Lubricant for monovalent and divalent brines

#26
20230272301
2023-08-31

Lubricant composition for water-based compositions

#27
20230242834
2023-08-03

WIRELINE LUBRICANT FOR USE IN GREASELESS DOWNHOLE LOGGING

#28
20230220265
2023-07-13

Synthesis and use of grafted graphene in oil based drilling fluids as low shear rate viscosity enhancer

#29
20230133053
2023-05-04

Bionic and dual-phobic high-performance water-based drilling fluid

#30
20230126451
2023-04-27

Liquid chloride salt-based polymer suspension fluids with polyethylene glycol dispersants and application to drag reduction

#31
20230074622
2023-03-09

Methods of making nanoparticle coated proppants and use thereof

#32
20230054276
2023-02-23

CHLORINATED HYDROCARBONS AS LUBRICANTS FOR COILED-TUBING (CT) SUBTERRANEAN DRILLING IN OIL-GAS EXPLORATION APPLICATION

#33
20220380658
2022-12-01

FUNCTIONALIZED OLEFIN OLIGOMERS

#34
20220372360
2022-11-24

Divalent brine fluids having improved rheology and multifunctional properties

#35
20220363974
2022-11-17

Oil Well Additive

#36
20220315829
2022-10-06

Liquid sand treatment optimization

#37
20220298405
2022-09-22

Self-repairing plugging gel polymer for drilling fluid, preparation method and application thereof, and drilling fluid containing gel polymer

#38
20220298403
2022-09-22

Drilling fluid lubricants

#39
20220267693
2022-08-25

Lubricant formulation for multiple water-based muds

#40
20220243110
2022-08-04

Compositions Comprising Oligomerized Reaction Products and Methods for Downhole Use Thereof

#41
20220228049
2022-07-21

Methods and systems associated with lubricant for drilling fluids

#42
20220213375
2022-07-07

SPENT JET-ENGINE OIL AS DRILLING LUBRICANT

#43
20220081603
2022-03-17

Downhole fluids and methods of use thereof

#44
20220033701
2022-02-03

Epoxidized alpha olefin based anti-bit balling additive for water-based drilling fluids

#45
20210340425
2021-11-04

Terpene-based spotting fluid compositions for differential sticking

#46
20210309905
2021-10-07

Use of biodegradable hydrocarbon fluids as drilling fluids

#47
20210292675
2021-09-23

Brine-tolerant lubricants and methods for using the same

#48
20210277321
2021-09-09

Oilfield drilling lubricant for water-based and oil-based systems

#49
20210230475
2021-07-29

Liquid sand treatment optimization

#50
20210189215
2021-06-24

Viscosity modifying, demulsifier and flow improver composition, its manufacturing process, its uses and method for increasing production in heavy and extra-heavy crude oil wells

#51
20210179914
2021-06-17

Water-based drilling fluid compositions and methods for drilling subterranean wells

#52
20210179910
2021-06-17

LUBRICANT FOR DRILLING AND DRILL-IN FLUIDS

#53
20210163807
2021-06-03

Nanometer plugging water-based drilling fluid and preparation method and use thereof

#54
20210130674
2021-05-06

Water-based drilling fluid compositions and methods for drilling subterranean wells

#55
20210095178
2021-04-01

Drilling fluid comprising a lubricant

#56
20210054263
2021-02-25

Nanoparticle coated proppants and methods of making and use thereof

#57
20210054254
2021-02-25

Drilling fluid lubricant and preparation method and use thereof

#58
20210032556
2021-02-04

Lubricants that include alkyl esters and fatty acids

#59
20210032525
2021-02-04

Spacer fluids and cement slurries that include surfactants

#60
20210032524
2021-02-04

Water-based drilling fluids that include lubricants

#61
20210032523
2021-02-04

Water-based drilling fluids that include lubricants

#62
20210032522
2021-02-04

Lubricants that include alkyl esters and fatty acids

#63
20210009887
2021-01-14

Synergist for water-based drilling fluid and preparation method therefor, water-based drilling fluid and application thereof

#64
20200392392
2020-12-17

Perlite containing drilling fluids and uses thereof

#65
20200369945
2020-11-26

Acid sensitive emulsifier for use in subterranean treatment operations

#66
20200369938
2020-11-26

Inhibitive divalent wellbore fluids, methods of providing said fluids, and uses thereof

#67
20200339859
2020-10-29

Emulsifiers for direct emulsion drilling fluids

#68
20200317981
2020-10-08

Water-based drilling, completion, and workover fluid composition with reduced barite sagging

#69
20200299562
2020-09-24

Drilling fluid for downhole electrocrushing drilling

#70
20200291285
2020-09-17

Development of retarded acid system

#71
20200291284
2020-09-17

DIVALENT BRINE FLUIDS HAVING IMPROVED RHEOLOGY AND MULTIFUNCTIONAL PROPERTIES

#72
20200248061
2020-08-06

Lubricants for water-based drilling fluids

#73
20200165506
2020-05-28

Drilling fluid for downhole electrocrushing drilling

#74
20200165504
2020-05-28

Spacer fluid compositions that include surfactants

#75
20200157401
2020-05-21

Composition for preparing anti-wear lubricant for drilling fluid and preparation method of anti-wear lubricant for drilling fluid and drilling fluid

#76
20200157400
2020-05-21

Sulfur- and phosphorus-free extreme pressure lubricant and preparation method and application thereof

#77
20200140739
2020-05-07

Methods of using drilling fluid compositions with enhanced rheology

#78
20200123429
2020-04-23

METHODS FOR TREATING A DRILLING FLUID

#79
20200115608
2020-04-16

Inorganic fullerene-like particles and inorganic tubular-like particles in fluids and lubricants

#80
20200095491
2020-03-26

Development of anti-bit balling fluids

#81
20200087561
2020-03-19

Drilling fluid for downhole electrocrushing drilling

#82
20200087560
2020-03-19

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

#83
20200071590
2020-03-05

Drilling mud with enhanced activated sludge additive

#84
20200048525
2020-02-13

Use of biodegradable hydrocarbon fluids as drilling fluids

#85
20200040247
2020-02-06

Development of anti-bit balling fluids

#86
20200024502
2020-01-23

Drilling fluid for downhole electrocrushing drilling

#87
20200024500
2020-01-23

Environmentally-friendly lubricant for oil field drilling fluid applications

#88
20200024499
2020-01-23

Synthesized lubricants for water-based drilling fluid systems

#89
20200024497
2020-01-23

Salt tolerant friction reducer

#90
20190390099
2019-12-26

Downhole fluids and methods of use thereof

#91
20190338180
2019-11-07

Wear inhibitor for oil and gas production

#92
20190316027
2019-10-17

Solid formulations suitable for oilfield applications

#93
20190309210
2019-10-10

Development of anti-bit balling fluids

#94
20190309208
2019-10-10

Engineered Lubricant

#95
20190300772
2019-10-03

Water-based drilling fluids for deepwater drilling and use thereof

#96
20190292432
2019-09-26

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

#97
20190292431
2019-09-26

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

#98
20190233708
2019-08-01

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

#99
20190233707
2019-08-01

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

#100
20190225901
2019-07-25

Industrial Fluid

#101
20190218443
2019-07-18

LUBRICANT FOR WATER BASED MUD (WBM) WITH HIGH SALT TOLERANCE FOR HIGH TEMPERATURE AND HIGH PRESSURE FORMATION

#102
20190211251
2019-07-11

Biodegradable water-in-oil emulsion drilling fluid

#103
20190211250
2019-07-11

Jojoba oil drilling fluid

#104
20190203096
2019-07-04

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

#105
20190203095
2019-07-04

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

#106
20190169481
2019-06-06

Solid/liquid high film strength fluid lubricant

#107
20190136112
2019-05-09

Lubricant additives for water based drilling fluid

#108
20190119562
2019-04-25

Method of forming a mixture of barite particles, chelating agent and bentonite for fracturing

#109
20190119561
2019-04-25

Method for making a drilling fluid composition and fracturing a subterranean formation

#110
20190092996
2019-03-28

DISPERSANT IN CEMENT FORMULATIONS FOR OIL AND GAS WELLS

#111
20190085232
2019-03-21

Accelerator used for drilling fluids, water-based drilling fluid and usage thereof

#112
20190078009
2019-03-14

Lubricant for water based drilling fluid

#113
20190023976
2019-01-24

METHOD OF PRODUCING MICRONIZED BARITE PARTICLES

#114
20190016939
2019-01-17

Enhanced activated sludge as drilling mud additive

#115
20180362825
2018-12-20

Metalate-based additives for use in subterranean formations

#116
20180320063
2018-11-08

Development of retarded acid system

#117
20180320050
2018-11-08

Methods of using drilling fluid compositions with enhanced rheology

#118
20180312439
2018-11-01

Dispersant in cement formulations for oil and gas wells

#119
20180305609
2018-10-25

ENCAPSULATED ADDITIVES FOR USE IN SUBTERRANEAN FORMATION OPERATIONS

#120
20180282216
2018-10-04

Dispersant in cement formulations for oil and gas wells

#121
20180273826
2018-09-27

Conveyance of ambient-reactive subterranean formation additives to downhole locations

#122
20180223175
2018-08-09

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

#123
20180223169
2018-08-09

Spacer fluid compositions that include surfactants

#124
20180223168
2018-08-09

Spacer fluids and cement slurries that include surfactants

#125
20180223167
2018-08-09

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

#126
20180223166
2018-08-09

Invert emulsion based drilling fluid and methods of using same

#127
20180223165
2018-08-09

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

#128
20180223162
2018-08-09

Development of anti-bit balling fluids

#129
20180223161
2018-08-09

Development of anti-bit balling fluids

#130
20180223160
2018-08-09

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

#131
20180223159
2018-08-09

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

#132
20180223158
2018-08-09

Drilling fluid compositions with enhanced rheology and methods of using same

#133
20180223156
2018-08-09

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

#134
20180223153
2018-08-09

Lubricants for water-based drilling fluids

#135
20180222797
2018-08-09

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

#136
20180222796
2018-08-09

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

#137
20180208823
2018-07-26

Water-based drilling fluid for protecting fractured reservoirs, and preparation method and use thereof

#138
20180208821
2018-07-26

Sol-gel modified particulates for wellbore fluids

#139
20180201823
2018-07-19

Drilling fluid for downhole electrocrushing drilling

#140
20180201822
2018-07-19

Drilling fluid for downhole electrocrushing drilling

#141
20180194987
2018-07-12

Drilling fluid for downhole electrocrushing drilling

#142
20180194986
2018-07-12

Drilling fluid for downhole electrocrushing drilling

#143
20180179432
2018-06-28

Friction-reducing compositions for use in drilling operations

#144
20180179431
2018-06-28

Friction-Reducing Compositions for Use in Drilling Operations

#145
20180155600
2018-06-07

Hydro-fracking method using an aloe vera fracturing fluid

#146
20180155598
2018-06-07

Divalent brine fluids having improved rheology and multifunctional properties

#147
20180100094
2018-04-12

Salt tolerant friction reducer

#148
20180072937
2018-03-15

ADDITIVE COMPOSITIONS FOR DRILLING FLUIDS AND METHODS FOR THEIR USE

#149
20180072935
2018-03-15

SALT TOLERANT FRICTION REDUCER

#150
20180066174
2018-03-08

Drilling fluids containing polyester polyols

#151
20180037795
2018-02-08

Downhole fluids and methods of use thereof

#152
20170362490
2017-12-21

Drilling fluid for downhole electrocrushing drilling

#153
20170349803
2017-12-07

Drilling fluid additive composition, and oil-based drilling fluid and use thereof

#154
20170349802
2017-12-07

Nano-hybrid lubricant and method thereof, and oil-based drilling fluid

#155
20170342341
2017-11-30

Additives for oilfield and industrial applications

#156
20170335164
2017-11-23

Hydrophilic ether carboxylic acids as lubricant for salt based drilling systems

#157
20170321147
2017-11-09

Friction-reducing compound, method of producing same, and lubricant composition

#158
20170321103
2017-11-09

Method of increasing lubricity of wellbore fluids

#159
20170298264
2017-10-19

Use of nanoparticles as lubricity additive in well fluids

#160
20170283681
2017-10-05

USE OF NANOPARTICLES AS LUBRICITY ADDITIVE IN WELL FLUIDS

#161
20170260098
2017-09-14

Process for converting calcium bentonite to sodium bentonite

#162
20170240790
2017-08-24

Rare earth-containing compounds to enhance performance of downhole treatment compositions

#163
20170233634
2017-08-17

Coiled-tubing fluid-lubricant composition and related methods

#164
20170233627
2017-08-17

Completion fluid friction reducer

#165
20170226401
2017-08-10

Terpene-Based Spotting Fluid Compositions for Differential Sticking

#166
20170226397
2017-08-10

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

#167
20170218262
2017-08-03

Fly ash microspheres for use in subterranean formation operations

#168
20170210966
2017-07-27

Clay stabilizing and methods of use with quaternary ammonium salts

#169
20170204320
2017-07-20

Low Pour-Point Lubricant Additives For Oiled-Based Muds and Synthetic-Based Muds Lubricant Additives for Wellbore or Subterranean Drilling Fluids or Muds

#170
20170204319
2017-07-20

Metalate-based additives for use in subterranean formations

#171
20170191008
2017-07-06

Microemulsions and their use in metal working fluids, wood stains, or wood sealers

#172
20170190955
2017-07-06

Method of fracturing a subterranean formation using micronized barite particles

#173
20170174972
2017-06-22

Lubrication for drilling fluid

#174
20170158944
2017-06-08

LUBRICITY AGENTS TO INCREASE PUMP EFFICIENCY IN HYDRATE INHIBITOR APPLICATIONS

#175
20170152184
2017-06-01

Method of producing sodium bentonite

#176
20170145296
2017-05-25

Water-based wellbore servicing fluids with high temperature fluid loss control additive

#177
20170137691
2017-05-18

Environmentally Friendly Lubricant for Drilling Purposes

#178
20170137689
2017-05-18

Environmentally friendly lubricant for drilling processes

#179
20170121585
2017-05-04

Oil-based drilling fluid employing jojoba oil

#180
20170114266
2017-04-27

Rare earth-containing compounds to enhance performance of downhole treatment compositions

#181
20170107417
2017-04-20

Lubricant Compositions and Methods of Making and Using Same

#182
20170101578
2017-04-13

Low-toxicity, low-flammability, environmentally-safe, friction reducer fluid for hydraulic fracturing

#183
20170029330
2017-02-02

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

#184
20170002254
2017-01-05

Lubricant Compositions and Methods of Making and Using Same

#185
20170002253
2017-01-05

Lubricant compositions containing phosphates and/or phosphites and methods of making and using same

#186
20170002252
2017-01-05

Lubricant Compositions and Methods of Making and Using Same

#187
20170002251
2017-01-05

Glycerol Carbamate Based Lubricant Compositions and Methods of Making and Using Same

#188
20170002250
2017-01-05

Lubricant compositions comprising diol functional groups and methods of making and using same

#189
20160376489
2016-12-29

LUBRICANT FOR HIGH pH WATER BASED MUD SYSTEM

#190
20160289529
2016-10-06

LUBRICANT ADDITIVES FOR WELL-BORE OR SUBTERRANEAN DRILLING FLUIDS OR MUDS

#191
20160272881
2016-09-22

Viscosity enhancer

#192
20160272868
2016-09-22

High-temperature high-pressure (HTHP) stable synthetic polymer for water based oil-well servicing fluids

#193
20160177164
2016-06-23

Oleaginous Microbial Lubricants

#194
20160152881
2016-06-02

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

#195
20160102268
2016-04-14

Drilling fluid system

#196
20160024368
2016-01-28

DRILLING FLUID AND METHODS

#197
20160002522
2016-01-07

Additives for boosting performance of water-based drilling fluids, drilling fluids including same, and methods of making and using same

#198
20160002521
2016-01-07

LUBRICANTS AND WELLBORE FLUIDS

#199
20150353806
2015-12-10

Biodegradable additive concentrate improving the lubricity of aqueous sludges, use thereof and aqueous sludge for drilling

#200
20150329762
2015-11-19

Use of nanoparticles as a lubricity additive in well fluids

#201
20150322325
2015-11-12

Ecofriendly lubricating additives for water-based wellbore drilling fluids

#202
20150252622
2015-09-10

Method for drilling underground cavities, compositions comprising alkyl polyglycosides, and use thereof as a lubricant in the production of aqueous drilling muds

#203
20150247081
2015-09-03

Oleaginous Microbial Lubricants

#204
20150218433
2015-08-06

Lubricant Additives for Wellbore or Subterranean Drilling Fluids or Muds

#205
20150159071
2015-06-11

Lubrication for drilling fluid

#206
20150141300
2015-05-21

Fluorous additives for use in a fluorous-based treatment fluid

#207
20150126418
2015-05-07

HYDRAULIC FLUIDS CONTAINING DIBASIC ESTERS AND METHODS FOR USE

#208
20150065398
2015-03-05

NANOPARTICLE LUBRICITY AND ANTI-CORROSION AGENT

#209
20150007995
2015-01-08

Lubricating compositions for use with downhole fluids

#210
20140364345
2014-12-11

Compositions, systems and methods of making coated additive components

#211
20140323359
2014-10-30

Methods of treating a well with a fluorinated lubricant or corrosion inhibitor

#212
20140273168
2014-09-18

Oleaginous Microbial Lubricants

#213
20140256600
2014-09-11

Oleaginous Microbial Lubricants

#214
20140251625
2014-09-11

Foamed fracturing fluids and methods for treating hydrocarbon bearing formations

#215
20140231145
2014-08-21

Inorganic fullerene-like particles and inorganic tubular-like particles in fluids and lubricants and applications to subterranean drilling

#216
20140142003
2014-05-22

Biologically-derived monoesters as drilling fluids

#217
20140060841
2014-03-06

Fluorous additives for use in a fluorous-based treatment fluid

#218
20140034143
2014-02-06

Hydraulic fluid compositions

#219
20130203636
2013-08-08

Water-based mud lubricant using fatty acid polyamine salts and fatty acid esters

#220
20130130941
2013-05-23

Lubricity agents to increase pump efficiency in hydrate inhibitor applications

#221
20120289438
2012-11-15

DRILLING FLUIDS COMPRISING HYDROXYLATED POLYMERS

#222
20120289435
2012-11-15

Drilling fluid additive with low freezing point

#223
20120285745
2012-11-15

DRILLING FLUIDS

#224
20120247763
2012-10-04

BIOMASS-BASED OIL FIELD CHEMICALS

#225
20120247758
2012-10-04

Method and apparatus to treat well stimulation fluids in-situ

#226
20120208725
2012-08-16

Drilling Fluid Additive and Method for Improving Lubricity or Increasing Rate of Penetration in a Drilling Operation

#227
20120202921
2012-08-09

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

#228
20120202723
2012-08-09

POLYOLS AND THEIR USE IN HYDROCARBON LUBRICATING AND DRILLING FLUIDS

#229
20120202719
2012-08-09

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

#230
20120085546
2012-04-12

Drilling fluids comprising hydroxylated polymers

#231
20120015852
2012-01-19

Nanofluids and methods of use for drilling and completion fluids

#232
20110306524
2011-12-15

Drilling fluid and methods

#233
20110297382
2011-12-08

Process for transporting fracture (“FRAC”) fluid additives to oil and gas wells utilizing ion exchange resin

#234
20110275545
2011-11-10

Drilling fluid additive system

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