ClassID:

104257

C09K8/035 - page 4 - 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; Specific additives for general use in well-drilling compositions Organic additives

Recent Application in this class:
#901
20140345190
2014-11-27

Method and composition for inhibiting foam in a hydrocarbon mixture

#902
20140341957
2014-11-20

Surfactant responsive dispersion polymerized micro-gels

#903
20140338911
2014-11-20

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

#904
20140338907
2014-11-20

Wellbore servicing materials and methods of making and using same

#905
20140338888
2014-11-20

System and method for enhancing hydraulic fluids for down hole use

#906
20140336086
2014-11-13

VISCOSIFIERS FOR DRILLING FLUIDS

#907
20140336085
2014-11-13

Additives for oil-based drilling fluids

#908
20140323362
2014-10-30

Defoamer formulation and methods for making and using same

#909
20140323361
2014-10-30

Treatment of subterranean formations using a composition including a linear triblock copolymer and inorganic particles

#910
20140321925
2014-10-30

Methods for strengthening smectite shale in highwall mines

#911
20140321914
2014-10-30

Controlled dewatering of confined, saturated formations in excavation mines

#912
20140316092
2014-10-23

Amphiphilic macromolecule and use thereof

#913
20140315765
2014-10-23

Treatment of a subterranean formation with composition including a microorganism or compound generated by the same

#914
20140315763
2014-10-23

Oil based concentrated slurries and methods for making and using same

#915
20140305650
2014-10-16

Choline-based crosslinker compositions for fracturing fluids

#916
20140305647
2014-10-16

METHODS OF PRODUCING FRICTION REDUCING BIOSYNTHETIC POLYSACCHARIDES

#917
20140303048
2014-10-09

Zeta potential modifiers to decrease the residual oil saturation

#918
20140303045
2014-10-09

Biocidal Systems and Methods of Use

#919
20140295523
2014-10-02

Glucanases, nucleic acids encoding them and methods for making and using them

#920
20140291029
2014-10-02

Beneficiated Clay Viscosifying Additives

#921
20140290954
2014-10-02

Wellbore strengthening composition

#922
20140287967
2014-09-25

WATER-SOLUBLE POLYMERS FOR OIL RECOVERY

#923
20140274816
2014-09-18

Drilling fluid additive for loss circulation and wellbore strengthening

#924
20140274815
2014-09-18

Modified deformed reinforcement fibers, methods of making, and uses

#925
20140273168
2014-09-18

Oleaginous Microbial Lubricants

#926
20140262319
2014-09-18

ENVIRONMENTALLY FRIENDLY PERMANENT QUATERNARIES OF POLYAMINES AND THEIR USE AS CLAY STABILIZERS AND METHODS FOR MAKING AND USING SAME

#927
20140262287
2014-09-18

ENVIRONMENTALLY FRIENDLY QUATERNARY SALTS OF AMINES AND THEIR USE AS TEMPORARY AND/OR PERMANENT CLAY STABILIZERS AND METHODS FOR MAKING AND USING SAME

#928
20140262228
2014-09-18

Mechanically Degradable Polymers For Wellbore Work Fluid Applications

#929
20140256600
2014-09-11

Oleaginous Microbial Lubricants

#930
20140243549
2014-08-28

Natural oil based gels, applications and methods of preparation

#931
20140238677
2014-08-28

Chitin nanocrystal containing wellbore fluids

#932
20140238674
2014-08-28

Clean fluid loss control additives

#933
20140224495
2014-08-14

Hydrocarbon fluid flow improver

#934
20140221256
2014-08-07

Low-temperature breaker for well fluid viscosified with a polyacrylamide

#935
20140213490
2014-07-31

Wellbore servicing compositions and methods of making and using same

#936
20140209305
2014-07-31

Delayed gelling agents

#937
20140186626
2014-07-03

MODIFIED STARCH, PREPARATION METHOD AND USE OF THE SAME, AND DRILLING FLUID

#938
20140179567
2014-06-26

Reversibly coagulatable and redispersable polymer including at least one monomer including a switchable-amphiphilic functional group and methods of using the same

#939
20140178325
2014-06-26

Anti-settling and thickening compositions and methods for using same

#940
20140166285
2014-06-19

NOVEL WEIGHTED ELASTOMER SYSTEMS FOR USE IN CEMENT, SPACER AND DRILLING FLUIDS

#941
20140155300
2014-06-05

Oil or gas treatment fluid containing a chelate or coordination complex that sets

#942
20140148366
2014-05-29

High-pressure/high-temperature solids-free fluid system for drilling, completing and repairing petroleum and gas wells

#943
20140144637
2014-05-29

Use of elastomers to produce gels for treating a wellbore

#944
20140142004
2014-05-22

Amide branched aromatic gelling agent enhancers and breakers

#945
20140138159
2014-05-22

Method of using biologically-derived monoesters as drilling fluids

#946
20140138092
2014-05-22

Wellbore servicing methods and compositions comprising degradable polymers

#947
20140135237
2014-05-15

Expandable coating for solid particles and associated methods of use in subterranean treatments

#948
20140124206
2014-05-08

Methods of using fluid loss additives comprising micro gels

#949
20140116711
2014-05-01

Expanded wellbore servicing materials and methods of making and using same

#950
20140116704
2014-05-01

Wellbore servicing methods and compositions comprising degradable polymers

#951
20140116703
2014-05-01

Wellbore servicing methods and compositions comprising degradable polymers

#952
20140107253
2014-04-17

Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use

#953
20140107252
2014-04-17

Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use

#954
20140105843
2014-04-17

PROCESS AND DEVICE FOR THE PREPARATION OF AN ESTER IN GRANULE FORM

#955
20140097025
2014-04-10

Method and apparatus for use of microbes and other gas stimulants in radial enhancement drilling fluid

#956
20140090895
2014-04-03

Compositions and methods for reducing fluid loss

#957
20140090848
2014-04-03

COMPOSITIONS AND METHODS FOR TREATING A WELL PENETRATING A SUBTERRANEAN FORMATION

#958
20140090844
2014-04-03

Swellable elastomer and its use in acidizing or matrix stimulation

#959
20140087978
2014-03-27

Methods of converting an inactive biocide into an active biocide using a chemical reaction

#960
20140083703
2014-03-27

Triggerable lost circulation material and method of use

#961
20140080988
2014-03-20

Phosphonate-containing polymer and use thereof and phosphonate-containing polymer viscosity reducer for drilling fluid

#962
20140080985
2014-03-20

Acryloylmorpholine polymer and use thereof and filtrate reducer for drilling fluid

#963
20140076552
2014-03-20

Treatment fluids comprising magnetic surfactants and methods relating thereto

#964
20140073538
2014-03-13

Fluid Loss Control Composition and Method of Using the Same

#965
20140066340
2014-03-06

Low Toxicity Viscosifier and Methods of Using the Same

#966
20140060841
2014-03-06

Fluorous additives for use in a fluorous-based treatment fluid

#967
20140057811
2014-02-27

Curable composition for use as lost circulation material

#968
20140051608
2014-02-20

Wellbore Servicing Compositions and Methods of Making and Using Same

#969
20140045731
2014-02-13

Equipment for preparing curved fibers

#970
20140042058
2014-02-13

Process for producing and separating oil

#971
20140041690
2014-02-13

Synthetic acid and associated methods

#972
20140038857
2014-02-06

Lost Circulation Material With A Multi-Modal Large Particle Size Distribution

#973
20140005080
2014-01-02

Methods to prevent formation damage from friction reducers

#974
20130345098
2013-12-26

Oil absorbent oilfield materials as additives in oil-based drilling fluid applications

#975
20130334100
2013-12-19

Upgrading heavy oil and bitumen with an initiator

#976
20130333877
2013-12-19

System and Method of Assessing a Wellbore Servicing Fluid or a Component Thereof

#977
20130310283
2013-11-21

CURABLE CROSS-LINKABLE COMPOSITIONS FOR USE AS LOST CIRCULATION MATERIAL

#978
20130306314
2013-11-21

Methods for protecting a hydrocarbon-producing zone of a subterranean formation using a relative permeability modifier

#979
20130296199
2013-11-07

Drilling lost circulation material

#980
20130292116
2013-11-07

Methods for Controlling Formation Fines Migration

#981
20130284518
2013-10-31

METHOD OF USING MULTI-COMPONENT FIBERS AS LOST-CIRCULATION MATERIAL

#982
20130284427
2013-10-31

Constraining pyrite activity in shale

#983
20130281329
2013-10-24

Ammonium salts of chelating agents and their use in oil and gas field applications

#984
20130270012
2013-10-17

AGGREGATING COMPOSITIONS, MODIFIED PARTICULATE METAL-OXIDES, MODIFIED FORMATION SURFACES, AND METHODS FOR MAKING AND USING SAME

#985
20130269932
2013-10-17

Methods for treating carbonate hydrocarbon-bearing formations with fluorinated amine oxides

#986
20130267445
2013-10-10

Antifoaming and Defoaming Agents for Drilling Fluids

#987
20130264121
2013-10-10

GRAPHENE-BASED MATERIAL FOR SHALE STABILIZATION AND METHOD OF USE

#988
20130261031
2013-10-03

Methods fluids by producing and employing oil and gas well drilling and completion fluids as well as hydraulic fracturing fluids employing triglyceride processing by products and propylene glycol recovered from aircraft deicing operations

#989
20130233546
2013-09-12

Degradable Fluid Sealing Compositions Having an Adjustable Degradation Rate and Methods for Use Thereof

#990
20130228336
2013-09-05

Methods for Servicing Subterranean Wells

#991
20130225729
2013-08-29

Thermoset particles with enhanced crosslinking, production, and their use in oil and natural gas drilling applications

#992
20130225456
2013-08-29

Biocide compositions comprising quaternary ammonium and urea and methods for their use

#993
20130196885
2013-08-01

Use of environmentally friendly solvents to replace glycol-based solvents

#994
20130196849
2013-08-01

Substituted cellulose acetates and uses thereof

#995
20130196063
2013-08-01

Substituted cellulose acetates and uses thereof

#996
20130195960
2013-08-01

Substituted Cellulose Acetates and Uses Thereof

#997
20130195787
2013-08-01

Substituted cellulose acetates and uses thereof

#998
20130192613
2013-08-01

Substituted Cellulose Acetates and Uses Thereof

#999
20130190214
2013-07-25

Biocidal system and methods of use

#1000
20130175046
2013-07-11

Nanoparticle kinetic gas hydrate inhibitors

#1001
20130172218
2013-07-04

COMPOUND OF BIODEGRADABLE SURFACTANTS FOR SEPARATING IMPURITIES IN A HYDROCARBON

#1002
20130133892
2013-05-30

Breaking diutan with oxalic acid at 180° F to 220° F

#1003
20130133887
2013-05-30

Methods for initiating new fractures in a completed wellbore having existing fractures present

#1004
20130130949
2013-05-23

Wellbore servicing fluid comprising a cellulose ether

#1005
20130126164
2013-05-23

RELEASING ACTIVATORS DURING WELLBORE OPERATIONS

#1006
20130118743
2013-05-16

Nonionic hydrophobically substituted cellulose ethers

#1007
20130118741
2013-05-16

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

#1008
20130109763
2013-05-02

Catalyst system for the preparation of an ester and processes employing this ester

#1009
20130087330
2013-04-11

Lost-circulation material made from a recycled material containing asphalt

#1010
20130085087
2013-04-04

Pyromellitamide gelling agents

#1011
20130081813
2013-04-04

Methods of fluid loss control, diversion, and sealing using deformable particulates

#1012
20130079258
2013-03-28

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

#1013
20130079257
2013-03-28

DISPERSANT AND A DRILLING FLUID CONTAINING THE SAME

#1014
20130079256
2013-03-28

Filtration control agent and a drilling fluid containing the same

#1015
20130072405
2013-03-21

Water-soluble polymers for oil recovery

#1016
20130035265
2013-02-07

Methods for treating fibers

#1017
20130035264
2013-02-07

Constraining pyrite activity in shale

#1018
20130029884
2013-01-31

BIOCIDE FORMULATIONS

#1019
20130025860
2013-01-31

Composite Particulates and Methods Thereof for High Permeability Formations

#1020
20130000911
2013-01-03

Gellable treatment fluids comprising quaternary ammonium salt gel-time modifiers and methods for use thereof

#1021
20130000910
2013-01-03

Composition and method relating to the prevention and remediation of surfactant gel damage

#1022
20130000905
2013-01-03

Gellable treatment fluids comprising amino group gel-time modifiers and methods for use thereof

#1023
20130000900
2013-01-03

DOWN-HOLE PLACEMENT OF WATER-SWELLABLE POLYMERS

#1024
20120318515
2012-12-20

Method of inhibiting or controlling release of well treatment agent

#1025
20120310614
2012-12-06

Method and system for predicting the effect of microbes injected into an oil-bearing reservoir

#1026
20120305254
2012-12-06

METHODS TO IMPROVE STABILITY OF HIGH SOLID CONTENT FLUID

#1027
20120289438
2012-11-15

DRILLING FLUIDS COMPRISING HYDROXYLATED POLYMERS

#1028
20120289436
2012-11-15

Methods for controlling depolymerization of polymer compositions

#1029
20120289435
2012-11-15

Drilling fluid additive with low freezing point

#1030
20120285745
2012-11-15

DRILLING FLUIDS

#1031
20120283150
2012-11-08

Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use

#1032
20120279707
2012-11-08

Thermally-Activated, High-Temperature Cement Suspending Agent

#1033
20120270758
2012-10-25

Degradable Surfactants, Including Degradable Gemini Surfactants, and Associated Methods

#1034
20120258894
2012-10-11

Treatment fluids containing a relative permeability modifier and a companion polymer interacting synergistically therewith and methods for use thereof

#1035
20120247768
2012-10-04

CROSSLINKING AGENTS FOR PRODUCING GELS AND POLYMER BEADS FOR OILFIELD APPLICATIONS

#1036
20120247763
2012-10-04

BIOMASS-BASED OIL FIELD CHEMICALS

#1037
20120231980
2012-09-13

Well fluid and method of servicing a well

#1038
20120231979
2012-09-13

Systems and Methods For Forming High Performance Compressible Objects

#1039
20120231978
2012-09-13

Permeability-Modifying Drilling Fluids and Methods of Use

#1040
20120231977
2012-09-13

Thermal insulating fluids

#1041
20120225799
2012-09-06

Systems and Methods For Forming High Performance Compressible Objects

#1042
20120216990
2012-08-30

Heat removal in drilling and production operations

#1043
20120208725
2012-08-16

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

#1044
20120205102
2012-08-16

Well treatment

#1045
20120202921
2012-08-09

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

#1046
20120202719
2012-08-09

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

#1047
20120199347
2012-08-09

Thermoset particles with enhanced crosslinking, processing for their production, and their use in oil and natural gas drilling applications

#1048
20120181035
2012-07-19

Methods of preparing degradable materials

#1049
20120172518
2012-07-05

Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use

#1050
20120172262
2012-07-05

Fluorosurfactants and treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods

#1051
20120172261
2012-07-05

Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use

#1052
20120160497
2012-06-28

Hydrocarbon Recovery Operations Fluids and Methods For Using the Same

#1053
20120160485
2012-06-28

Treatment of subterranean formations

#1054
20120142561
2012-06-07

Equivalent circulating density control in deep water drilling

#1055
20120129738
2012-05-24

Oil field treatment fluids comprising zwitterionic betaine-group-containing polymers

#1056
20120122738
2012-05-17

Method for preparing a gelling and viscosifying agent for drilling mud and the product thereof

#1057
20120111564
2012-05-10

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

#1058
20120108472
2012-05-03

Thermoplastic cellulosic fiber blends as lost circulation materials

#1059
20120103615
2012-05-03

Viscous wellbore fluids

#1060
20120103614
2012-05-03

Method of Treating a Borehole and Drilling Fluid

#1061
20120085546
2012-04-12

Drilling fluids comprising hydroxylated polymers

#1062
20120083430
2012-04-05

Well servicing fluid comprising an organic salt being the product of an organic acid and an organic amine base and method of servicing a well with the fluid

#1063
20120080232
2012-04-05

Emulsion-based cleaning composition for oilfield applications

#1064
20120073821
2012-03-29

Methods for reducing biological load in subterranean formations

#1065
20120071370
2012-03-22

Defoamer formulation and methods for making and using same

#1066
20120067585
2012-03-22

Treatment of subterranean formations

#1067
20120065108
2012-03-15

FLUORINATED POLYMERIC MICROPARTICLES AND USES THEREOF AS FLUID REDUCING ADDITIVES

#1068
20120061083
2012-03-15

WELLBORE FLUID AND METHODS OF TREATING AN EARTHEN FORMATION

#1069
20120053252
2012-03-01

Fluorinated ethoxylated polyurethanes

#1070
20120053092
2012-03-01

Shale Hydration Inhibition Agents for Utilization in Water-based Drilling Fluids

#1071
20120015852
2012-01-19

Nanofluids and methods of use for drilling and completion fluids

#1072
20120000652
2012-01-05

Well treatment fluid

#1073
20110319301
2011-12-29

Polymer delivery in well treatment applications

#1074
20110308802
2011-12-22

DEGRADABLE MATERIAL FOR DIFFERENT OILFIELD APPLICATIONS

#1075
20110306524
2011-12-15

Drilling fluid and methods

#1076
20110297375
2011-12-08

Composition for borehole treatment

#1077
20110294704
2011-12-01

Permeability-modifying drilling fluids and methods of use

#1078
20110284222
2011-11-24

Chelant based system and polylactide resin for acid diversion

#1079
20110275736
2011-11-10

Compositions for modifying rheological properties of cement systems

#1080
20110275545
2011-11-10

Drilling fluid additive system

#1081
20110269652
2011-11-03

GEMINI SURFACTANTS

#1082
20110269651
2011-11-03

Water-soluble degradable synthetic vinyl polymers and related methods

#1083
20110263465
2011-10-27

Use Of Vinyl Phosphonic Acid For Producing Biodegradable Mixed Polymers And The Use Thereof For Exploring And Extracting Petroleum And Natural Gas

#1084
20110253372
2011-10-20

Particles comprising blocked isocyanate resin and method of modifying a wellbore using the same

#1085
20110237466
2011-09-29

Equivalent circulating density control in deep water drilling

#1086
20110214870
2011-09-08

LOST CIRCULATION COMPOSITION

#1087
20110207633
2011-08-25

DEEP EUTECTIC SOLVENTS AND APPLICATIONS

#1088
20110177981
2011-07-21

Wellbore fluids comprising poly(trimethylene ether) glycol polymers

#1089
20110174485
2011-07-21

Treatment fluids for wetting control of multiple rock types and associated methods

#1090
20110168393
2011-07-14

Methods of using fluid loss additives comprising micro gels

#1091
20110146974
2011-06-23

Delivery of nanodispersions below ground

#1092
20110144386
2011-06-16

Graphene compositions and methods for production thereof

#1093
20110136702
2011-06-09

Wellbore fluid additives and methods of producing the same

#1094
20110117067
2011-05-19

Glucanases, Nucleic Acids Encoding Them and Methods for Making and Using Them

#1095
20110105367
2011-05-05

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

#1096
20110100628
2011-05-05

Methods of delaying the curing of moisture sensitive curable elastomers

#1097
20110091408
2011-04-21

METHODS OF USING FLUOROALKYL PHOSPHATE COMPOSITIONS

#1098
20110086783
2011-04-14

Air drilling misting fluid contains syrups

#1099
20110082058
2011-04-07

Method for preparing curved fibers

#1100
20110071056
2011-03-24

Degradable Surfactants, Including Degradable Gemini Surfactants, and Associated Methods

#1101
20110059883
2011-03-10

Methods to Improve the Compatibility and Efficiency of Powdered Versions of Microfibrous Cellulose

#1102
20110059871
2011-03-10

Graphene compositions and drilling fluids derived therefrom

#1103
20110053812
2011-03-03

Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use

#1104
20110053810
2011-03-03

Fluorosurfactants and treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods

#1105
20110034352
2011-02-10

Rheology modifier comprising a tetrakis(hydroxyalkyl) phosphonium salt for polymer fluids

#1106
20110028594
2011-02-03

Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use

#1107
20110028593
2011-02-03

Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use

#1108
20110021386
2011-01-27

MICROEMULSION TO IMPROVE SHALE GAS PRODUCTION BY CONTROLLING WATER IMBIBITION

#1109
20110017457
2011-01-27

ENVIRONMENTAL COMPOSITIONS AND METHODS FOR WELL TREATMENT

#1110
20110015301
2011-01-20

Mixtures comprising branched oligomeric or polymeric compounds, and preparation and use thereof

#1111
20110015111
2011-01-20

Sulfonate surfactants and methods of preparation and use

#1112
20110005761
2011-01-13

Degradable diverting agents and associated methods

#1113
20110005756
2011-01-13

Use of zeta potential modifiers to decrease the residual oil saturation

#1114
20110000673
2011-01-06

Drilling fluid and method for reducing lost circulation

#1115
20100331221
2010-12-30

Drilling fluid additive containing heated syrup solids

#1116
20100323927
2010-12-23

Equivalent circulating density control in deep water drilling

#1117
20100319916
2010-12-23

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

#1118
20100314118
2010-12-16

Liquid crystals for drilling, completion and production fluids

#1119
20100305009
2010-12-02

Oligoglyercol fatty acid ester additives for water-based drilling fluids

#1120
20100304418
2010-12-02

Compositions and Methods for Monitoring Flow Through Fluid Conducting and Containment Systems

#1121
20100300694
2010-12-02

METHOD FOR PRODUCING AN ORGANIC COMPOSITION CONTAINING AN N-NONYL ETHER

#1122
20100294501
2010-11-25

PROCESS FOR THE PREPARATION OF AN ORGANIC COMPOSITION COMPRISING AN N-NONYL ESTER

#1123
20100292108
2010-11-18

Aggregating compositions, modified particulate metal-oxides, modified formation surfaces, and methods for making and using same

#1124
20100292107
2010-11-18

Spotting fluids containing syrups

#1125
20100288500
2010-11-18

Fiber aggregate

#1126
20100273685
2010-10-28

Methods and composition relating to the chemical degradation of degradable polymers

#1127
20100267592
2010-10-21

Multi-Component Drilling Fluid Additive, and Drilling Fluid System Incorporating the Additive

#1128
20100263867
2010-10-21

UTILIZING ELECTROMAGNETIC RADIATION TO ACTIVATE FILTERCAKE BREAKERS DOWNHOLE

#1129
20100256025
2010-10-07

Viscoelastic surfactants and methods of making and using same

#1130
20100256020
2010-10-07

Aqueous-based wellbore fluids

#1131
20100256019
2010-10-07

Aqueous-based wellbore fluids

#1132
20100256018
2010-10-07

Methods of using fluid loss additives comprising micro gels

#1133
20100218949
2010-09-02

Swellable elastomers and associated methods

#1134
20100210484
2010-08-19

Clay control additive for wellbore fluids

#1135
20100210481
2010-08-19

Drilling fluids with redispersible polymer powders

#1136
20100204067
2010-08-12

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

#1137
20100197526
2010-08-05

Method for making particulate slurries and particulate slurry compositions

#1138
20100193244
2010-08-05

Drilling fluid additive for reducing lost circulation in a drilling operation

#1139
20100173804
2010-07-08

Additive to reduce fluid loss for drilling fluids

#1140
20100152070
2010-06-17

DRILLING LOST CIRCULATION MATERIAL

#1141
20100120944
2010-05-13

USE OF CURABLE LIQUID ELASTOMERS TO PRODUCE GELS FOR TREATING A WELLBORE

#1142
20100093874
2010-04-15

Copolymer including betaine units and hydrophobic and/or amphiphilic units, method for preparing same and uses thereof

#1143
20100087566
2010-04-08

Use of elastomers to produce gels for treating a wellbore

#1144
20100075871
2010-03-25

Stabilized aqueous polymer compositions and their use

#1145
20100069268
2010-03-18

Compositions having pH-dependent viscosity, thickener systems containing the same, and uses therefor

#1146
20100062953
2010-03-11

RHEOLOGY MODIFYING AGENTS AND METHODS OF MODIFYING FLUID RHEOLOGY USE IN HYDROCARBON RECOVERY

#1147
20100062952
2010-03-11

Copolymer based on olefinic sulphonic acids

#1148
20100056398
2010-03-04

THICKENER COMPOSITION

#1149
20100016184
2010-01-21

Orthoester-based surfactants and associated methods

#1150
20100016180
2010-01-21

Method of increasing lubricity of brine-based drilling fluids and completion brines

#1151
20100009873
2010-01-14

Thermally stable compositions and use thereof in drilling fluids

#1152
20090321142
2009-12-31

Well Drilling Method for Prevention of Lost Circulation of Drilling Muds

#1153
20090312428
2009-12-17

Biocide Compositions Comprising Quaternary Ammonium and Urea and Methods for Their Use

#1154
20090305911
2009-12-10

DOWNHOLE DRILLING COMPOSITIONS AND METHODS OF PREPARATION

#1155
20090305044
2009-12-10

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

#1156
20090291860
2009-11-26

Compositions and methods for preparing downhole drilling fluids

#1157
20090286698
2009-11-19

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

#1158
20090281001
2009-11-12

Drilling Fluids Comprising Hydroxylated Polymers

#1159
20090275487
2009-11-05

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

#1160
20090258798
2009-10-15

Methods and compositions using crosslinked aliphatic polyesters in well bore applications

#1161
20090247432
2009-10-01

Deep eutectic solvents and applications

#1162
20090227478
2009-09-10

Equivalent circulating density control in deep water drilling

#1163
20090197781
2009-08-06

Wellbore Fluids Comprising Poly(trimethylene ether) glycol Polymers

#1164
20090181866
2009-07-16

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

#1165
20090176665
2009-07-09

Self-degrading fibers and associated methods of use and manufacture

#1166
20090170730
2009-07-02

Silicate drilling fluid composition containing lubricating agents and uses thereof

#1167
20090156435
2009-06-18

Defoaming methods and compositions

#1168
20090093382
2009-04-09

Methods for pre-emptively controlling undesirable water production from an oil or gas well

#1169
20090062158
2009-03-05

RHEOLOGY MODIFYING AGENTS AND METHODS OF MODIFYING FLUID RHEOLOGY USE IN HYDROCARBON RECOVERY

#1170
20090062157
2009-03-05

Methods and compositions related to the degradation of degradable polymers involving dehydrated salts and other associated methods

#1171
20090038855
2009-02-12

Variable density fluids and methods of use in subterranean formations

#1172
20090029878
2009-01-29

DRILLING FLUID, DRILL-IN FLUID, COMPLETITION FLUID, AND WORKOVER FLUID ADDITIVE COMPOSITIONS CONTAINING THERMOSET NANOCOMPOSITE PARTICLES; AND APPLICATIONS FOR FLUID LOSS CONTROL AND WELLBORE STRENGTHENING

#1173
20090023615
2009-01-22

Polymer delivery in well treatment applications

#1174
20090023614
2009-01-22

Polymer delivery in well treatment applications

#1175
20080318812
2008-12-25

Oil based concentrated slurries and methods for making and using same

#1176
20080280786
2008-11-13

DEFOAMER/ANTIFOAMER COMPOSITIONS AND METHODS OF USING SAME

#1177
20080220994
2008-09-11

Defoaming methods and compositions

#1178
20080207472
2008-08-28

Drilling mug lubricant and shale stabilizer

#1179
20080207469
2008-08-28

Bit balling treatment

#1180
20080202815
2008-08-28

Drilling fluids

#1181
20080190614
2008-08-14

Silicate-based wellbore fluid and methods for stabilizing unconsolidated formations

#1182
20080182763
2008-07-31

Pumpable multiple phase compositions for controlled release applications downhole

#1183
20080171670
2008-07-17

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

#1184
20080167203
2008-07-10

Additive For Reducing Torque On A Drill String

#1185
20080139417
2008-06-12

Method of preventing or reducing fluid loss in subterranean formations

#1186
20080132711
2008-06-05

High molecular weight polyamine salts as clay stabilizing agents

#1187
20080121395
2008-05-29

Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same

#1188
20080113879
2008-05-15

Lost circulation additive for drilling fluids

#1189
20080108524
2008-05-08

Delayed water-swelling materials and methods of use

#1190
20080108523
2008-05-08

Polyamine salts as clay stabilizing agents

#1191
20080085841
2008-04-10

Canola meal drilling fluid additive

#1192
20080070810
2008-03-20

Methods of preparing degradable materials and methods of use in subterranean formations

#1193
20080045420
2008-02-21

Zwitterionic Polymers Comprising Betaine-Type Units And Use Of Zwitterionic Polymers In Drilling Fluids

#1194
20080035340
2008-02-14

Composition and method relating to the prevention and remediation of surfactant gel damage

#1195
20080021167
2008-01-24

SULFONATED GRAFT COPOLYMERS

#1196
20080020948
2008-01-24

Sulfonated graft copolymers

#1197
20080017376
2008-01-24

Swellable elastomers and associated methods

#1198
20080009423
2008-01-10

Self-degrading fibers and associated methods of use and manufacture

#1199
20080009422
2008-01-10

HIGH PERFORMANCE WATER BASE DRILLING FLUID

#1200
20070287637
2007-12-13

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