Patents-Review.com
ClassID:

104276 ⎘

C09K8/32 - 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

Sub-classes:
Recent Application in this class:
#1
20250277426
2025-09-04

NON-REACTIVE COLLOID PARTICLES TO STOP GAS MIGRATION IN EXPANDABLE METAL APPLICATIONS

 #2
20250197710
2025-06-19

LOW-DENSITY HOLLOW GLASS BEAD (HGB) FLUIDS FOR WELLBORE DRILLING, COMPLETION, AND WORKOVER OPERATIONS

 #3
20250136857
2025-05-01

PRIMARY EMULSIFIERS FOR INVERT EMULSION FLUIDS

 #4
20250129283
2025-04-24

OIL-BASED DRILLING FLUID EMULSIFIERS

 #5
20250129282
2025-04-24

DRILLING FLUIDS AND METHODS THEREOF

 #6
20250084722
2025-03-13

NON-REACTIVE COLLOID PARTICLES TO STOP GAS MIGRATION IN EXPANDABLE METAL APPLICATIONS

 #7
20250075118
2025-03-06

BIOSURFACTANTS FOR IRON AND ZINC SULFIDE SCALE REMEDIATION AND CONTROL

 #8
20250043168
2025-02-06

DRILLING FLUID

 #9
20240228857
2024-07-11

LOW-DENSITY HOLLOW GLASS BEAD (HGB) FLUIDS FOR WELLBORE DRILLING, COMPLETION, AND WORKOVER OPERATIONS

 #10
20240150640
2024-05-09

Formulation for the recovery of hydrocarbons including a surfactant system

 #11
20240132769
2024-04-25

Low-density hollow glass bead (HGB) fluids for wellbore drilling, completion, and workover operations

 #12
20230272259
2023-08-31

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

 #13
20230137391
2023-05-04

ORGANOPHILIC CLAYS AND DRILLING FLUIDS CONTAINING THEM

 #14
20220002609
2022-01-06

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

 #15
20210395595
2021-12-23

Downhole fluids with high dielectric constant and high dielectric strength

 #16
20210355809
2021-11-18

Compositions, systems, and methods for iron sulfide scale identification, prevention, and reduction

 #17
20210284896
2021-09-16

Formulation for the recovery of hydrocarbons including a surfactant system

 #18
20210246354
2021-08-12

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

 #19
20210132243
2021-05-06

Borehole fluid gel strength measurement

 #20
20210115323
2021-04-22

Low density hydrate inhibitive fluids

 #21
20210047554
2021-02-18

Organophilic clays and drilling fluids containing them

 #22
20210032525
2021-02-04

Spacer fluids and cement slurries that include surfactants

 #23
20210024835
2021-01-28

Bio-based synthetic fluids

 #24
20200407621
2020-12-31

EMULSIFIED DRILLING FLUIDS AND METHODS OF MAKING AND USE THEREOF

 #25
20200339860
2020-10-29

Clarification of colloidal suspensions

 #26
20200339429
2020-10-29

Slurry compositions containing mixed branched alkyl organoclay compositions

 #27
20200291285
2020-09-17

Development of retarded acid system

 #28
20200248061
2020-08-06

Lubricants for water-based drilling fluids

 #29
20200216741
2020-07-09

ELECTRICALLY CONDUCTIVE OIL-BASED FLUIDS

 #30
20200208477
2020-07-02

Electro-separation cell with solids removal

 #31
20200190387
2020-06-18

GRAVEL PACKING FLUID COMPOSITIONS AND METHODS OF USE THEREOF

 #32
20200181474
2020-06-11

Organoclay compositions and oil-based drilling fluid comprising the clays

 #33
20200165506
2020-05-28

Drilling fluid for downhole electrocrushing drilling

 #34
20200165505
2020-05-28

Branched acid emulsifier compositions and methods of use

 #35
20200165504
2020-05-28

Spacer fluid compositions that include surfactants

 #36
20200140739
2020-05-07

Methods of using drilling fluid compositions with enhanced rheology

 #37
20200095491
2020-03-26

Development of anti-bit balling fluids

 #38
20200087560
2020-03-19

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

 #39
20200079990
2020-03-12

Alkyl cyclic anhydride based emulsifiers for oil based mud

 #40
20200071590
2020-03-05

Drilling mud with enhanced activated sludge additive

 #41
20200063014
2020-02-27

Emulsified fluid system for fracturing application

 #42
20200040247
2020-02-06

Development of anti-bit balling fluids

 #43
20190292861
2019-09-26

Hybrid loss prevention material (LPM) for preventive and curative loss control

 #44
20190292860
2019-09-26

Hybrid loss prevention material (LPM) for preventive and curative loss control

 #45
20190292434
2019-09-26

Loss circulation compositions (LCM) having Portland cement clinker

 #46
20190292433
2019-09-26

Loss circulation compositions (LCM) having Portland cement clinker

 #47
20190292432
2019-09-26

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

 #48
20190292431
2019-09-26

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

 #49
20190284463
2019-09-19

Rheological agent, preparation methods and uses thereof

 #50
20190249066
2019-08-15

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

 #51
20190233708
2019-08-01

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

 #52
20190233707
2019-08-01

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

 #53
20190233704
2019-08-01

Downhole fluids with high dielectric constant and high dielectric strength

 #54
20190225873
2019-07-25

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

 #55
20190225865
2019-07-25

Loss circulation compositions (LCM) having portland cement clinker

 #56
20190225856
2019-07-25

ELECTRICALLY CONDUCTIVE OIL-BASED FLUIDS

 #57
20190203096
2019-07-04

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

 #58
20190203095
2019-07-04

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

 #59
20190194520
2019-06-27

Viscosifier for oil well fluids

 #60
20190185736
2019-06-20

Loss circulation compositions (LCM) having Portland cement clinker

 #61
20190153294
2019-05-23

Loss circulation compositions (LCM) having Portland cement clinker

 #62
20190153293
2019-05-23

Loss circulation compositions (LCM) having portland cement clinker

 #63
20190153292
2019-05-23

Loss circulation compositions (LCM) having Portland cement clinker

 #64
20190127647
2019-05-02

BIO-BASED SYNTHETIC FLUIDS

 #65
20190092996
2019-03-28

DISPERSANT IN CEMENT FORMULATIONS FOR OIL AND GAS WELLS

 #66
20190055460
2019-02-21

Thermally stable surfactants for oil based drilling fluids

 #67
20190055453
2019-02-21

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

 #68
20190055446
2019-02-21

Thermally stable surfactants for oil based drilling fluids

 #69
20190040294
2019-02-07

Viscoelastic fluid compositions, oil flowable/oil dispersion compositions, and drilling fluid compositions

 #70
20190023970
2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

 #71
20190023969
2019-01-24

Loss circulation compositions (LCM) having Portland cement clinker

 #72
20190023968
2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

 #73
20190023967
2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

 #74
20190016939
2019-01-17

Enhanced activated sludge as drilling mud additive

 #75
20180362825
2018-12-20

Metalate-based additives for use in subterranean formations

 #76
20180320063
2018-11-08

Development of retarded acid system

 #77
20180320050
2018-11-08

Methods of using drilling fluid compositions with enhanced rheology

 #78
20180312439
2018-11-01

Dispersant in cement formulations for oil and gas wells

 #79
20180282606
2018-10-04

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

 #80
20180251666
2018-09-06

Polymer-modified asphalt for drilling fluid applications

 #81
20180223175
2018-08-09

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

 #82
20180223169
2018-08-09

Spacer fluid compositions that include surfactants

 #83
20180223168
2018-08-09

Spacer fluids and cement slurries that include surfactants

 #84
20180223167
2018-08-09

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

 #85
20180223166
2018-08-09

Invert emulsion based drilling fluid and methods of using same

 #86
20180223165
2018-08-09

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

 #87
20180223164
2018-08-09

EMULSIFIED DRILLING FLUIDS AND METHODS OF MAKING AND USE THEREOF

 #88
20180223161
2018-08-09

Development of anti-bit balling fluids

 #89
20180223160
2018-08-09

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

 #90
20180223158
2018-08-09

Drilling fluid compositions with enhanced rheology and methods of using same

 #91
20180223156
2018-08-09

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

 #92
20180223153
2018-08-09

Lubricants for water-based drilling fluids

 #93
20180222797
2018-08-09

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

 #94
20180179432
2018-06-28

Friction-reducing compositions for use in drilling operations

 #95
20180179431
2018-06-28

Friction-Reducing Compositions for Use in Drilling Operations

 #96
20180163119
2018-06-14

Methods for treating a subterranean well

 #97
20180155604
2018-06-07

Organophilic clays and drilling fluids containing them

 #98
20180117503
2018-05-03

Gas-tight low gravity separation device

 #99
20180072937
2018-03-15

ADDITIVE COMPOSITIONS FOR DRILLING FLUIDS AND METHODS FOR THEIR USE

 #100
20180066174
2018-03-08

Drilling fluids containing polyester polyols

 #101
20180037796
2018-02-08

Wellbore additives that include liquid-infiltrated porous silica

 #102
20170349815
2017-12-07

Enhancements of gelled hydrocarbon systems

 #103
20170349803
2017-12-07

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

 #104
20170349802
2017-12-07

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

 #105
20170327725
2017-11-16

Earth metal peroxide fluidized compositions

 #106
20170298264
2017-10-19

Use of nanoparticles as lubricity additive in well fluids

 #107
20170283681
2017-10-05

USE OF NANOPARTICLES AS LUBRICITY ADDITIVE IN WELL FLUIDS

 #108
20170267911
2017-09-21

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

 #109
20170267910
2017-09-21

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

 #110
20170240792
2017-08-24

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

 #111
20170240791
2017-08-24

Curauá fibers as lost-circulation materials and fluid-loss additives in wellbore fluids

 #112
20170233632
2017-08-17

Electrically conductive oil-based fluids

 #113
20170233631
2017-08-17

Self sealing fluids

 #114
20170204319
2017-07-20

Metalate-based additives for use in subterranean formations

 #115
20170183560
2017-06-29

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

 #116
20170174974
2017-06-22

Encapsulated polymers and selective activation thereof

 #117
20170166794
2017-06-15

FILTER CONTROL HPHT ADDITIVE FOR OIL-BASED DRILLING FLUIDS WITH PETROLEUM COKE

 #118
20170158941
2017-06-08

ENVIRONMENTALLY FRIENDLY WELLBORE CONSOLIDATING/FLUID LOSS MATERIAL

 #119
20170158938
2017-06-08

Downhole fluids with high dielectric constant and high dielectric strength

 #120
20170152428
2017-06-01

Compositons and methods for curing lost circulation

 #121
20170145287
2017-05-25

Fluid Loss Additives and Methods of Making and Using Same

 #122
20170145286
2017-05-25

Thinner for oil-based drilling fluids

 #123
20170137694
2017-05-18

Cementitious compositions comprising a non-aqueous fluid and an alkali-activated material

 #124
20170137690
2017-05-18

Wellbore strengthening additive and uses thereof

 #125
20170073565
2017-03-16

ORGANIC WATER SCAVENGING ADDITIVES FOR USE IN DRILLING FLUIDS

 #126
20170051193
2017-02-23

Organoclay compositions for drilling fluids useful to provide substantially constant rheology profiles to such fluids over a wide temperature range

 #127
20170044419
2017-02-16

Methods And Compositions For Suspending Components In Oils Without Suspending Agents

 #128
20170029688
2017-02-02

Smart filter cake for strengthening formations

 #129
20170015890
2017-01-19

Smart filtrate for strengthening formations

 #130
20170009148
2017-01-12

Bio-based synthetic fluids

 #131
20170009121
2017-01-12

Composition and use therof, oil-based drilling fluid and a method for raising shearing force of oil-based drilling fluid

 #132
20170002253
2017-01-05

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

 #133
20170002250
2017-01-05

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

 #134
20160376509
2016-12-29

Recovering base oil from contaminated invert emulsion fluid for making new oil-/synthetic-based fluids

 #135
20160369153
2016-12-22

Hydratable polymer slurry and method for water permeability control in subterranean formations

 #136
20160326423
2016-11-10

DOWNHOLE FLUID COMPOSITIONS AND METHODS OF USING CARBON BLACK PARTICLES

 #137
20160319178
2016-11-03

Secondary esters, methods of making, and uses thereof

 #138
20160304763
2016-10-20

Wellbore service fluid

 #139
20160215197
2016-07-28

MASTERBATCH FOR MANUFACTURING A DRILLING FLUID

 #140
20160186034
2016-06-30

SYNERGISTIC ORGANOPHILIC CLAY MIXTURE AS AN ADDITIVE TO OIL-BASED DRILLING FLUIDS

 #141
20160122612
2016-05-05

Non-toxic, inexpensive, low viscosity mineral oil based drilling fluid

 #142
20160083640
2016-03-24

Hexadecene synthetic drilling fluid with improved environmental properties

 #143
20160060501
2016-03-03

Methods for Controlling Lost Circulation in A Subterranean Well and Materials Therefor

 #144
20160032168
2016-02-04

Viscosifier for oil well fluids

 #145
20160017202
2016-01-21

Electrically conductive oil-based fluids

 #146
20160017201
2016-01-21

Electrically conductive oil-based fluids

 #147
20160009978
2016-01-14

Organoclay compositions for drilling fluids useful to provide substantially constant rheology profiles to such fluids over a wide temperature range

 #148
20150368541
2015-12-24

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

 #149
20150368540
2015-12-24

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

 #150
20150368539
2015-12-24

Carbonaceous nanoparticles as conductivity enhancement additives to water-in-oil emulsions, oil-in-water emulsions and oil-based wellbore fluids

 #151
20150353809
2015-12-10

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

 #152
20150329762
2015-11-19

Use of nanoparticles as a lubricity additive in well fluids

 #153
20150322326
2015-11-12

PULSE POWER DRILLING FLUID AND METHODS OF USE

 #154
20150291872
2015-10-15

Activators for use in the viscosification of non-aqueous fluids

 #155
20150284619
2015-10-08

Electrically conductive wellbore fluids and methods of use

 #156
20150275065
2015-10-01

Low fluid loss drilling fluid compositions comprising diblock copolymers

 #157
20150232735
2015-08-20

Phospho-friction reducing agents for use in oleaginous-based drilling fluids

 #158
20150225638
2015-08-13

Fluid loss additives and methods of making and using same

 #159
20150225637
2015-08-13

Wellbore fluids and method of use

 #160
20150218432
2015-08-06

Heat removal in drilling and production operations

 #161
20150197682
2015-07-16

ANTI-GEL AGENT FOR POLYHYDROXYETHERAMINES, GEL STABILIZED POLYHYDROXYETHERAMINE SOLUTIONS, AND METHODS FOR MAKING AND USING SAME

 #162
20150191641
2015-07-09

RHEOLOGICAL AGENT, PREPARATION METHODS AND USES THEREOF

 #163
20150184057
2015-07-02

Alkyl Polyglycoside Derivative as Biodegradable Spacer Surfactant

 #164
20150159074
2015-06-11

Reservoir wellbore fluid

 #165
20150152316
2015-06-04

Water based completion and displacement fluid and method of use

 #166
20150136402
2015-05-21

Modified hydrocarbon resins as fluid loss additives

 #167
20150133355
2015-05-14

BIO-BASED SYNTHETIC FLUIDS

 #168
20150108391
2015-04-23

Synthesis of magnetic carbon nanoribbons and magnetic functionalized carbon nanoribbons

 #169
20150099674
2015-04-09

Method and Composition for Curing Lost Circulation

 #170
20150080272
2015-03-19

Alkyl polyglycoside derivative as biodegradable spacer surfactant

 #171
20150065399
2015-03-05

Methods and Compositions for Enhanced Acid Stimulation of Carbonate and Sand Stone Formations

 #172
20150008044
2015-01-08

Lost circulation drilling fluids comprising elastomeric rubber particles and a method for decreasing whole mud loss using such composition

 #173
20150000918
2015-01-01

Catalyzed polyamine sulfide scavengers and methods of use in subterranean treatment fluids

 #174
20140367091
2014-12-18

Wellbore fluids incorporating magnetic carbon nanoribbons and magnetic functionalized carbon nanoribbons and methods of using the same

 #175
20140349894
2014-11-27

NANOFLUIDS AND METHODS OF USE FOR DRILLING AND COMPLETION FLUIDS

 #176
20140342950
2014-11-20

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

 #177
20140155302
2014-06-05

Oil well drilling fluids, oil well cement composition and slurry of weighting material

 #178
20140087979
2014-03-27

Invert emulsion based completion and displacement fluid and method of use

 #179
20140011713
2014-01-09

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

 #180
20140011712
2014-01-09

Biodegradable Organophilic Clays for Drilling Fluids

 #181
20130274152
2013-10-17

Polysaccharide slurries with environmentally friendly activator solvents

 #182
20130217603
2013-08-22

USE OF NEUTRAL-DENSITY PARTICLES TO ENHANCE BARITE SAG RESISTANCE AND FLUID SUSPENSION TRANSPORT

 #183
20130206416
2013-08-15

Earth metal peroxide fluidized compositions

 #184
20130130944
2013-05-23

Ultra high viscosity pill and methods for use with an oil-based drilling system

 #185
20130087338
2013-04-11

Wellbore operations using controlled variable density fluid

 #186
20130085086
2013-04-04

Fluid loss additives and methods of making and using same

 #187
20130008654
2013-01-10

Method for Drilling and Completion Operations with Settable Resin Compositions

 #188
20130000916
2013-01-03

Recyclable cleanout fluids

 #189
20120329682
2012-12-27

Drilling Fluid for Enhanced Rate of Penetration

 #190
20120322695
2012-12-20

Methods for controlling lost circulation in a subterranean well and materials there for

 #191
20120316089
2012-12-13

Methods to Characterize Fracture Plugging Efficiency for Drilling Fluids

 #192
20120316088
2012-12-13

Method to characterize fracture plugging efficiency for drilling fluids

 #193
20120277125
2012-11-01

Masterbatch for manufacturing a drilling fluid

 #194
20120264658
2012-10-18

Methods to characterize fracture plugging efficiency for drilling fluids

 #195
20120216990
2012-08-30

Heat removal in drilling and production operations

 #196
20120202921
2012-08-09

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

 #197
20120202719
2012-08-09

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

 #198
20120202718
2012-08-09

Precipitated weighting agents for use in wellbore fluids

 #199
20120201863
2012-08-09

Methods for thickening hydrophobic liquids with amphiphilic esters

 #200
20120193095
2012-08-02

Hydrocarbon Recovery Operations Fluids and Methods For Using the Same

 #201
20120142561
2012-06-07

Equivalent circulating density control in deep water drilling

 #202
20120129735
2012-05-24

NON-AQUEOUS DRILLING ADDITIVE USEFUL TO PRODUCE A FLAT TEMPERATURE-RHEOLOGY PROFILE

 #203
20120103617
2012-05-03

Water based completion and displacement fluid and method of use

 #204
20120071369
2012-03-22

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

 #205
20120071368
2012-03-22

Drilling Fluid for Enhanced Rate of Penetration

 #206
20120015852
2012-01-19

Nanofluids and methods of use for drilling and completion fluids

 #207
20110281778
2011-11-17

Method for reducing filtrate loss from oil based drilling fluids

 #208
20110278006
2011-11-17

DEFLUIDIZING LOST CIRCULATION PILLS

 #209
20110254553
2011-10-20

Electrically conductive oil-based drilling fluids

 #210
20110237467
2011-09-29

NANOPARTICLE-DENSIFIED COMPLETION FLUIDS

 #211
20110237466
2011-09-29

Equivalent circulating density control in deep water drilling

 #212
20110183871
2011-07-28

Method and composition for curing lost circulation

 #213
20110177981
2011-07-21

Wellbore fluids comprising poly(trimethylene ether) glycol polymers

 #214
20110118381
2011-05-19

Inverse emulsion polymers as lost circulation material

 #215
20110105367
2011-05-05

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

 #216
20110056748
2011-03-10

WELLBORE FLUIDS CONTAINING SIZED CLAY MATERIAL AND METHODS OF USE THEREOF

 #217
20110056683
2011-03-10

Wellbore fluid comprising a base fluid and a particulate bridging agent

 #218
20110031024
2011-02-10

Methods of using drilling fluids containing biodegradable organophilic clay

 #219
20110030953
2011-02-10

Gelled liquid hydrocarbon treatment fluids and their associated methods of use

 #220
20110021384
2011-01-27

Drilling fluid additive and methods of stabilizing kaolinite fines migration

 #221
20110009298
2011-01-13

Ultra High Viscosity Pill and Methods for Use with An Oil-Based Drilling System

 #222
20110005758
2011-01-13

Method and composition for curing lost circulation

 #223
20100323932
2010-12-23

METHODS FOR TREATING A WELL OR THE LIKE

 #224
20100323927
2010-12-23

Equivalent circulating density control in deep water drilling

 #225
20100319916
2010-12-23

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

 #226
20100311620
2010-12-09

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

 #227
20100311619
2010-12-09

Emulsifier free oil-based wellbore fluid

 #228
20100305008
2010-12-02

Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties

 #229
20100300759
2010-12-02

Drilling fluid containing carbon nanotubes

 #230
20100298176
2010-11-25

Oligoglycerol fatty acid ester lubricant additives for drilling fluids

 #231
20100222240
2010-09-02

Wellbore Servicing Fluids Comprising Grafted Homopolymers and Methods of Using Same

 #232
20100216671
2010-08-26

Microemulsions to convert OBM filter cakes to WBM filter cakes having filtration control

 #233
20100190664
2010-07-29

Invert emulsion based completion and displacement fluid and method of use

 #234
20100173804
2010-07-08

Additive to reduce fluid loss for drilling fluids

 #235
20100170719
2010-07-08

Reduced abrasion drilling fluid

 #236
20100116497
2010-05-13

Method of servicing a wellbore with a sealant composition comprising solid latex

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2010-02-11

Sealant compositions comprising solid latex

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2010-01-14

Precipitated weighting agents for use in wellbore fluids

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20090305911
2009-12-10

DOWNHOLE DRILLING COMPOSITIONS AND METHODS OF PREPARATION

 #240
20090305044
2009-12-10

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

 #241
20090291861
2009-11-26

WELLBORE FLUID

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2009-11-19

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

 #243
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2009-11-19

LOST CIRCULATION COMPOSITION

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2009-11-05

Additive for increasing the density of an oil-based fluid and fluid comprising such additive

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2009-09-10

Equivalent circulating density control in deep water drilling

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2009-09-03

Methods of using reactive surfactants in subterranean operations

 #247
20090197781
2009-08-06

Wellbore Fluids Comprising Poly(trimethylene ether) glycol Polymers

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20090163386
2009-06-25

COMPOSITIONS FOR DRILLING FLUIDS USEFUL TO PRODUCE FLAT TEMPERATURE RHEOLOGY TO SUCH FLUIDS OVER A WIDE TEMPERATURE RANGE AND DRILLING FLUIDS CONTAINING SUCH COMPOSITIONS

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20090124521
2009-05-14

Additive for increasing the density of a fluid for casing annulus pressure control

 #250
20090114450
2009-05-07

Controlled variable density fluid for wellbore operations

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20090008095
2009-01-08

Wellbore fluid comprising a base fluid and a particulate bridging agent

 #252
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2008-10-30

Polymer Coated Bridging Solids and Weighting Agents for Use in Drilling Fluids

 #253
20080194436
2008-08-14

Methods for using reversible phase oil-based drilling fluid

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20080188382
2008-08-07

Compositions for Drilling Fluids Useful to Provide Flat Temperature Rheology to Such Fluids Over a Wide Temperature Range, and Drilling Fluids Containing Such Compositions

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20080171670
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Oil Base Fluids and Organophilic Tannin-Containing Compositions to Lower the Fluid Loss Thereof

 #256
20080113880
2008-05-15

SOLID-LIQUID SEPARATION OF OIL-BASED MUDS

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20080110618
2008-05-15

In situ fluid formation for cleaning oil- or synthetic oil-based mud

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20080085843
2008-04-10

Method of treating a subterranean formation with an oil-based composition containing a polysaccharide-based water-superabsorbent material

 #259
20080076682
2008-03-27

Microemulsions to convert OBM filter cakes to WBM filter cakes having filtration control

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20080064613
2008-03-13

DISPERSANT COATED WEIGHTING AGENTS

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2008-02-07

Method of drilling using invert emulsion drilling fluids

 #262
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2008-01-17

Diesel oil-based invert emulsion drilling fluids and methods of drilling boreholes

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2007-12-27

Surfactant materials and coatings for weighting agents for use in oil based drilling fluids

 #264
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2007-12-13

Non-aqueous gels for consolidating and stabilizing wellbore formations

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Hydrophobically modified fluid loss additives and viscosifier products

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2007-12-13

Additive for increasing the density of an oil-based fluid and fluid comprising such additive

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2007-11-22

Internal-olefin composition and base oil comprising the composition for oil drilling

 #268
20070265172
2007-11-15

Wellbore servicing fluids comprising grafted homopolymers and methods of using same

 #269
20070259790
2007-11-08

Metallic soaps of modified fatty acids and rosin acids and methods of making and using same

 #270
20070197403
2007-08-23

Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties

 #271
20070184987
2007-08-09

Additive for increasing the density of an oil-based fluid and fluid comprising such additive

 #272
20070111902
2007-05-17

Methods for using reversible phase oil-based drilling fluid

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20070111901
2007-05-17

Method of servicing a wellbore with a sealant composition comprising solid latex

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20070111900
2007-05-17

Sealant compositions comprising solid latex

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20070082822
2007-04-12

Invert drilling fluids for use in drilling in subterranean formations

 #276
20070078064
2007-04-05

Treatment fluids and methods of forming degradable filter cakes comprising aliphatic polyester and their use in subterranean formations

 #277
20070078062
2007-04-05

Flat rheology drilling fluids

 #278
20070078061
2007-04-05

Invert drilling fluids and methods of drilling boreholes

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2007-04-05

Invert drilling fluids and methods of drilling boreholes

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20070066491
2007-03-22

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

 #281
20070034553
2007-02-15

Drilling fluid

 #282
20070012447
2007-01-18

Inverse emulsion polymers as lost circulation material

 #283
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Methods of using reactive surfactants in subterranean operations

 #284
20060260813
2006-11-23

Methods of using reactive surfactants in subterranean operations

 #285
20060258547
2006-11-16

Zeolite-containing remedial compositions

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2006-11-16

Drilling method

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2006-11-09

Oil base fluids containing hydrophilic tannins

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Lost circulation composition

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20060223715
2006-10-05

Water based completion and displacement fluid and method of use

 #290
20060223714
2006-10-05

Invert emulsion based completion and displacement fluid and method of use

 #291
20060217580
2006-09-28

Olefin oligomerization to produce hydrocarbon compositions useful as fuels

 #292
20060213663
2006-09-28

Methods of using wellbore servicing fluids comprising resilient material

 #293
20060211580
2006-09-21

Well treating compositions containing water superabsorbent material and method of using the same

 #294
20060188651
2006-08-24

Additive for increasing the density of a fluid for casing annulus pressure

 #295
20060166839
2006-07-27

Methods of using drilling fluids containing biodegradable organophilic clay

 #296
20060160706
2006-07-20

Spotting fluid compositions and associated methods

 #297
20060148657
2006-07-06

Zeolite compositions having enhanced compressive strength

 #298
20060148654
2006-07-06

Compounded hydrocarbon oil and oil base drilling fluids prepared therefrom

 #299
20060137876
2006-06-29

Zeolite compositions having enhanced compressive strength

 #300
20060116294
2006-06-01

Method and drilling fluid systems and lost circulation pills adapted to maintain the particle size distribution of component latex particles before and after freezing of the latex particles in the presence of water