ClassID:

104355

C09K8/88 - CPC Classification

Classification description:

Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations; Compositions for stimulating production by acting on the underground formation; Compositions based on water or polar solvents containing organic compounds macromolecular compounds

Sub-classes:
Recent Application in this class:
#1
20260008955
2026-01-08

SUBTERRANEAN FORMATIONS

#2
20260002071
2026-01-01

AQUEOUS COMPOSITIONS COMPRISING FUNCTIONALIZED SACCHARIDE POLYMERS FOR DEWATERING OF PARTICULATES

#3
20250388806
2025-12-25

TIME DEPENDENT TRACER RELEASE IN STIMULATED GAS WELLS USING PARTIALLY DEGRADABLE PARTICULATES

#4
20250369346
2025-12-04

PARTIALLY DEGRADABLE PARTICULATES AS TIME-RELEASED TRACERS FOR ACIDIZED AND FRACTURED GAS WELLS

#5
20250368884
2025-12-04

FLUID LOSS CONTROL AGENT FOR AQUEOUS WELLBORE FLUIDS

#6
20240384159
2024-11-21

DISPERSION OF WATER-SOLUBLE POLYMER FOR HYDRAULIC FRACTURING

#7
20240368462
2024-11-07

SUBTERRANEAN FORMATIONS

#8
20240209729
2024-06-27

PARTIALLY DEGRADABLE PARTICULATES AS TIME-RELEASED TRACERS FOR ACIDIZED AND FRACTURED GAS WELLS

#9
20240084192
2024-03-14

FLOWBACK AID FOR FRACTURING FLUIDS

#10
20240035373
2024-02-01

PARTIALLY DEGRADABLE PARTICULATES AS TIME-RELEASED TRACERS FOR ACIDIZED AND FRACTURED GAS WELLS

#11
20240010907
2024-01-11

Multifunctional Coatings and Chemical Additives

#12
20230272259
2023-08-31

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

#13
20230073762
2023-03-09

Process for prevention and remediation of subterranean-formed metal-polymer complexes

#14
20230019003
2023-01-19

Friction reducers for high TDS brines

#15
20230002665
2023-01-05

FLUID LOSS CONTROL AGENT FOR AQUEOUS WELLBORE FLUIDS

#16
20220372363
2022-11-24

Compositions for use in oil and gas operations

#17
20220145169
2022-05-12

Subterranean formations

#18
20220098470
2022-03-31

Methods for use in oil and gas operations

#19
20220081610
2022-03-17

Flow Constraint Material and Slurry Compositions

#20
20220025750
2022-01-27

Material and method of controlled energy deposition

#21
20220002609
2022-01-06

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

#22
20210388257
2021-12-16

Methods for fracturing a subterranean formation by using flow constraint material

#23
20210324124
2021-10-21

Multiblock copolymer and method of making thereof

#24
20210318456
2021-10-14

Acoustic proppant for fracture diagnostic

#25
20210277299
2021-09-09

Compositions And Methods For Treating Subterranean Formations

#26
20210261854
2021-08-26

Delayed gelling agents

#27
20210246353
2021-08-12

Thermoassociative polymers in subterranean treatment fluids

#28
20210238471
2021-08-05

Hydrocarbon formation treatment micellar solutions

#29
20210230474
2021-07-29

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#30
20210198177
2021-07-01

Methods and compositions incorporating alkyl polyglycoside surfactant for use in oil and/or gas wells

#31
20210189854
2021-06-24

Material and method of controlled energy deposition

#32
20210079283
2021-03-18

Heavy fluid and method of making it

#33
20210062072
2021-03-04

High temperature treatment fluids with nano-crosslinkers

#34
20210062070
2021-03-04

Process for prevention and remediation of subterranean-formed metal-polymer complexes

#35
20200392283
2020-12-17

THERMOSET POLYMER NETWORKS, SHAPE MEMORY POLYMERS INCLUDING THERMOSET POLYMER NETWORKS, AND METHODS OF MAKING

#36
20200354626
2020-11-12

Selective salt management for wellbore fluids using microgel particles

#37
20200325387
2020-10-15

HIGH TEMPERATURE FRACTURING FLUIDS WITH NANO-CROSSLINKERS

#38
20200299569
2020-09-24

Viscosification of aqueous solutions

#39
20200277422
2020-09-03

Dual-mechanism thickening agents for hydraulic fracturing fluids

#40
20200231864
2020-07-23

Mitigation of condensate and water banking using functionalized nanoparticles

#41
20200208046
2020-07-02

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

#42
20200157415
2020-05-21

PROPPANT TREATMENT AND ENHANCED WATER IMBIBITION IN TIGHT SUBTERRANEAN FORMATIONS BY USING DENDRIMERS

#43
20200140746
2020-05-07

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#44
20200123435
2020-04-23

Brine resistant silica sol

#45
20200024497
2020-01-23

Salt tolerant friction reducer

#46
20200017758
2020-01-16

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#47
20200017757
2020-01-16

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#48
20200017756
2020-01-16

Compositions and methods for treating subterranean formations

#49
20190382645
2019-12-19

Hydrocarbon formation treatment micellar solutions

#50
20190322923
2019-10-24

Methods for dispersing proppant

#51
20190315674
2019-10-17

Methods and compositions incorporating alkyl polyglycoside surfactant for use in oil and/or gas wells

#52
20190300637
2019-10-03

Multiblock copolymer and method of making thereof

#53
20190270927
2019-09-05

Method of inhibiting water penetration into oil- and gas-producing formations

#54
20190264542
2019-08-29

Flow control system for a non-newtonian fluid in a subterranean well

#55
20190256764
2019-08-22

Delayed gelling agents

#56
20190256758
2019-08-22

High densitiy clear brine fluids

#57
20190249066
2019-08-15

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

#58
20190233716
2019-08-01

Methods for preparing an aqueous surfactant-polymer solution

#59
20190233715
2019-08-01

Compositions for use in oil and gas operations

#60
20190225871
2019-07-25

Brine resistant silica sol

#61
20190218451
2019-07-18

High temperature fracturing fluids with nano-crosslinkers

#62
20190218450
2019-07-18

High temperature fracturing fluids with nano-crosslinkers

#63
20190203109
2019-07-04

Treatment fluid, method for formation treatment, method for reducing the proppant settling rate in the formation treatment fluid

#64
20190186248
2019-06-20

Material and method of controlled energy deposition

#65
20190136121
2019-05-09

Hydraulic fracturing method using non-standard proppant

#66
20190136113
2019-05-09

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

#67
20190128791
2019-05-02

Processes and systems for characterizing and optimizing fracturing fluids

#68
20190127629
2019-05-02

Self-breakable treatment fluids for use in subterranean formation operations

#69
20190119564
2019-04-25

Flow constraint material and slurry compositions

#70
20190119550
2019-04-25

Star-shaped polyacrylamide copolymer and preparation method thereof and drilling fluid including the copolymer

#71
20190112902
2019-04-18

Treatment isolation in restimulations with inner wellbore casing

#72
20190112522
2019-04-18

Aqueous-based epoxy resin microemulsion

#73
20190093007
2019-03-28

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

#74
20190062623
2019-02-28

Acoustic proppant for fracture diagnostic

#75
20190040728
2019-02-07

Proppant-free channels in a propped fracture using ultra-low density, degradable particulates

#76
20190040310
2019-02-07

Enhancing proppant performance

#77
20190040308
2019-02-07

Polymer fiber additive for proppant flowback prevention

#78
20180347332
2018-12-06

Method of Enhancing Fracture Complexity Using Far-Field Divert Systems

#79
20180346803
2018-12-06

Method for reducing the viscosity of viscosified fluids for applications in natural gas and oil fields

#80
20180340116
2018-11-29

Phase change fracturing fluid system for phase change fracturing

#81
20180328147
2018-11-15

Fracturing fluids and methods of treating hydrocarbon formations

#82
20180327655
2018-11-15

Method for reducing the viscosity of viscosified fluids for applications in natural gas and oil fields

#83
20180306006
2018-10-25

Methods of using superabsorbent polymers for fracturing and sand control applications

#84
20180273832
2018-09-27

Methods and systems for forming a fracturing fluid from a source of metal-laden water

#85
20180265772
2018-09-20

Flowback resistant proppants

#86
20180258747
2018-09-13

Method of fracturing a formation using a combination of spacer fluid and proppant slurry

#87
20180258344
2018-09-13

Subterranean stimulation operations utilizing degradable pre-coated particulates

#88
20180251669
2018-09-06

Methods for enhancing suspension and transport of proppant particulates and subterranean formation conductivity

#89
20180238161
2018-08-23

Method for hydraulic fracturing (variants)

#90
20180230789
2018-08-16

Method of enhancing conductivity from post frac channel formation

#91
20180202278
2018-07-19

Method of using diverter and proppant mixture

#92
20180171206
2018-06-21

Amphiphilic polymers for filtrate control

#93
20180171203
2018-06-21

Suspending agents obtained by micellar polymerization

#94
20180155597
2018-06-07

Controlled release system for the release of oil field chemicals and use of the system for reservoir treatment and monitoring

#95
20180148634
2018-05-31

Fluid composition for stimulation in the field of oil or gas production

#96
20180127643
2018-05-10

Forming proppant-free channels in propped vertically oriented fractures

#97
20180127531
2018-05-10

Dual-mechanism thickening agents for hydraulic fracturing fluids

#98
20180112125
2018-04-26

Combo hydraulic fracturing fluid concentrate having both drag reduction and sand-carrying properties

#99
20180100094
2018-04-12

Salt tolerant friction reducer

#100
20180086971
2018-03-29

High temperature fracturing fluids with nano-crosslinkers

#101
20180086961
2018-03-29

Delayed-release additives in a degradable matrix

#102
20180066178
2018-03-08

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

#103
20180066177
2018-03-08

Delayed gelling agents

#104
20180044572
2018-02-15

Flowback aid for fracturing fluids

#105
20180030333
2018-02-01

Fracture having a bottom portion of reduced permeability and a top portion having a higher permeability

#106
20180010034
2018-01-11

Sealant composition for use in subterranean formations

#107
20180002594
2018-01-04

Salt tolerant settling retardant proppants

#108
20170342313
2017-11-30

Shear recovery for viscosifying surfactants in stimulation fluids

#109
20170341979
2017-11-30

Additive of cellulose nanofibrils or nanocrystals and a second polymer

#110
20170335172
2017-11-23

Aldehydes as a catalyst for an oxidative breaker

#111
20170327729
2017-11-16

Downhole resin coatings comprising a carbon nanomaterial and methods associated therewith

#112
20170313931
2017-11-02

Breaker coated particulates for use in subterranean formation operations

#113
20170306209
2017-10-26

Synthetic crosslinked polymer additive for use in subterranean treatment fluids

#114
20170298269
2017-10-19

Hydration of associative polymers

#115
20170275518
2017-09-28

Methods and compositions incorporating alkyl polyglycoside surfactant for use in oil and/or gas wells

#116
20170267917
2017-09-21

Hydrocarbon well treatment methods and fluids

#117
20170260443
2017-09-14

Activators for inorganic oxide breakers

#118
20170226407
2017-08-10

Composition comprising ultrafine cellulose fibers

#119
20170218259
2017-08-03

Methods of liquefying and shrinking water-absorbable resins in a water-containing state

#120
20170218251
2017-08-03

Polyvinyl alcohol-based shale inhibitor

#121
20170175481
2017-06-22

Molded product having effective thickness of 1 mm or more and containing aliphatic polyester resin, and downhole tool member for hydrocarbon resource recovery

#122
20170121594
2017-05-04

Proppant particulates and methods of using such particulates in subterranean applications

#123
20170121590
2017-05-04

Friction-reducing compositions formulated with highly concentrated brine

#124
20170107424
2017-04-20

Aqueous slurry for particulates transportation

#125
20170101578
2017-04-13

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

#126
20170058182
2017-03-02

Method of treating water-swellable minerals in a subterranean formation with a stabilizing compound with a cationic group and hydrophobic portion

#127
20170030819
2017-02-02

Processes and systems for characterizing and optimizing fracturing fluids

#128
20160376497
2016-12-29

Enhanced viscosity of polymer solutions in high salinity brines

#129
20160347991
2016-12-01

SELF-BREAKING FRACTURING FLUIDS AND METHODS FOR TREATING HYDROCARBON-BEARING FORMATIONS

#130
20160333261
2016-11-17

Enhanced subterranean treatment fluids in ionic water or seawater

#131
20160319183
2016-11-03

Surface modification agent emulsions comprising hydrophobically modified amine-containing polymers for use in subterranean formations

#132
20160298023
2016-10-13

Fracturing fluids based on associative polymers and on labile surfactants

#133
20160289543
2016-10-06

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

#134
20160272876
2016-09-22

Fluid composition for stimulation in the field of oil or gas production

#135
20160272869
2016-09-22

Treatment fluids and uses thereof

#136
20160264850
2016-09-15

Method for chemically controlling delay time for breaking polymers

#137
20160257877
2016-09-08

Viscosified treatment fluids comprising polyol derivatized cellulose and methods relating thereto

#138
20160251560
2016-09-01

Water-soluble linear polyphosphazenes in water-based fluids for use in wells or pipelines

#139
20160237336
2016-08-18

Dual breaker system for reducing formation damage during fracturing

#140
20160222284
2016-08-04

Injecting polyelectrolyte based sacrificial agents for use in unconventional formations

#141
20160222282
2016-08-04

Proppant treatment with polymerizable natural oils

#142
20160215199
2016-07-28

Polymerizable monomer compositions comprising monomers with high affinity for sand grain surfaces for sand consolidation applications

#143
20160194549
2016-07-07

Method for recovery of gaseous hydrocarbons and/or liquid hydrocarbons from underground

#144
20160168449
2016-06-16

High temperature fracturing fluids with nano-crosslinkers

#145
20160160117
2016-06-09

Treatment fluids containing polysaccharides with friction reducing grafts thereon

#146
20160153273
2016-06-02

Fracturing treatments in subterranean formations using reducible materials

#147
20160152888
2016-06-02

Composition and method for gelling fracturing fluids

#148
20160152887
2016-06-02

Hydrocarbon well treatment methods and fluids

#149
20160138376
2016-05-19

Flowing fracturing fluids to subterranean zones

#150
20160137910
2016-05-19

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

#151
20160137907
2016-05-19

Wellbore servicing materials and methods of making and using same

#152
20160122626
2016-05-05

Polymer compositions

#153
20160122624
2016-05-05

Polymer compositions

#154
20160122623
2016-05-05

Polymer compositions

#155
20160122622
2016-05-05

Polymer compositions

#156
20160115374
2016-04-28

Fracturing fluid viscosity-controlling agent to be used in hydraulic fracturing

#157
20160083639
2016-03-24

Multi-functional surfactant complexes for use in subterranean formations

#158
20160053160
2016-02-25

Methods for enhancing propped fracture conductivity

#159
20160032167
2016-02-04

Natural oil-derived wellbore compositions and methods of use

#160
20160024367
2016-01-28

Ethylene viscosifier polymer for treatment of a subterranean formation

#161
20160009983
2016-01-14

Gel compositions for hydraulic fracturing applications

#162
20150376494
2015-12-31

Multi-component materials for breaker activity control

#163
20150329766
2015-11-19

Method of contacting hydrocarbon-bearing formations with fluorinated ionic polymers

#164
20150292292
2015-10-15

Downhole tool member for hydrocarbon resource recovery

#165
20150267520
2015-09-24

Hydrophobically modified amine-containing polymers for mitigating scale buildup

#166
20150210918
2015-07-30

Oligomeric and polymeric electronically-modified boronic acids and methods of using the same

#167
20150096751
2015-04-09

Hydraulic fracturing composition, method for making and use of same

#168
20150060066
2015-03-05

Method of preparing polymer-water emulsion and further settling a sticky polymer material in downhole environment

#169
20150057195
2015-02-26

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

#170
20150041132
2015-02-12

Method of using diverter and proppant mixture

#171
20140352959
2014-12-04

Diverting systems for use in low temperature well treatment operations

#172
20140262228
2014-09-18

Mechanically Degradable Polymers For Wellbore Work Fluid Applications

#173
20140251625
2014-09-11

Foamed fracturing fluids and methods for treating hydrocarbon bearing formations

#174
20140213490
2014-07-31

Wellbore servicing compositions and methods of making and using same

#175
20140190700
2014-07-10

Compositions and methods for controlling particulate migration in a subterranean formation

#176
20140190695
2014-07-10

Methods using stimulation-capable drill-in and completion fluids

#177
20140110120
2014-04-24

Oligomeric and Polymeric Electronically-Modified Boronic Acids and Methods of Using the Same

#178
20140107253
2014-04-17

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

#179
20140107252
2014-04-17

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

#180
20140087975
2014-03-27

Treatment fluid containing a corrosion inhibitor of a polymer including a silicone and amine group

#181
20140060829
2014-03-06

Methods for forming highly conductive propped fractures

#182
20130303412
2013-11-14

Viscosified fluid loss control agent utilizing chelates

#183
20130274170
2013-10-17

Compositions of viscoelastic surfactant and hydrophobically modified polymer as aqueous thickeners

#184
20130269932
2013-10-17

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

#185
20130264061
2013-10-10

Method for treating hydrocarbon-bearing formations with fluorinated amine

#186
20130233558
2013-09-12

Methods for Servicing Subterranean Wells

#187
20130130948
2013-05-23

Metallic particle activated oxidative breaking method and system

#188
20130035265
2013-02-07

Methods for treating fibers

#189
20120329683
2012-12-27

DEGRADABLE FIBER SYSTEMS FOR WELL TREATMENTS AND THEIR USE

#190
20120267111
2012-10-25

Synthesis of Degradable Polymers Downhole for Oilfield Applications

#191
20120267109
2012-10-25

METHOD OF TREATING A FRACTURED WELL

#192
20120267101
2012-10-25

Application of degradable polymers in sand control

#193
20120241158
2012-09-27

Radical trap in oil and gas stimulation operations

#194
20120214714
2012-08-23

PROCESS FOR ACHIEVING IMPROVED FRICTION REDUCTION IN HYDRAULIC FRACTURING AND COILED TUBING APPLICATIONS IN HIGH SALINITY CONDITIONS

#195
20120181027
2012-07-19

Viscosified fluids for remediating subterranean damage

#196
20120157356
2012-06-21

Hydraulic fracturing with slick water from dry blends

#197
20120129734
2012-05-24

Use of hydrophobically associated copolymer as an additive in specific oilfield applications

#198
20120111570
2012-05-10

Wellbore treatment compositions comprising hydrophilically modified polymers and nonionic surfactants

#199
20120103616
2012-05-03

Methods of fracturing subterranean formations using sulfonated synthetic gelling agent polymers

#200
20120080192
2012-04-05

Hydraulic fracture composition and method

#201
20120073817
2012-03-29

Tethered polymers used to enhance the stability of microemulsion fluids

#202
20120061086
2012-03-15

Method of preparing polymer-water emulsion and further settling a sticky polymer material in downhole environment

#203
20120055676
2012-03-08

Fluid loss control in viscoelastic surfactant fracturing fluids using water soluble polymers

#204
20120048549
2012-03-01

Polymer Emulsions And Well Treatment Fluids

#205
20120037364
2012-02-16

Delayed gelling agents

#206
20120018159
2012-01-26

Polymer hydration method

#207
20110311645
2011-12-22

MICROBIOLOGICAL CONTROL IN OIL AND GAS OPERATIONS

#208
20110247823
2011-10-13

Method of contacting hydrocarbon-bearing formations with fluorinated phosphate and phosphonate compositions

#209
20110247822
2011-10-13

Method of contacting hydrocarbon-bearing formations with fluorinated ether compositions

#210
20110223125
2011-09-15

Compositions with freeze thaw stability

#211
20110220359
2011-09-15

Methods Relating to Modifying Flow Patterns Using In-Situ Barriers

#212
20110198089
2011-08-18

METHODS TO REDUCE SETTLING RATE OF SOLIDS IN A TREATMENT FLUID

#213
20110180259
2011-07-28

Hydraulic fracturing proppants

#214
20110177983
2011-07-21

Cationic fluorinated polymer compositions and methods for treating hydrocarbon-bearing formations using the same

#215
20110079392
2011-04-07

Additives to suppress silica scale build-up and methods of use thereof

#216
20110071058
2011-03-24

Composition and method for slickwater application

#217
20110048718
2011-03-03

Treatment fluids comprising entangled equilibrium polymer networks

#218
20110048716
2011-03-03

Treatment fluids comprising transient polymer networks

#219
20110028593
2011-02-03

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

#220
20110003720
2011-01-06

Controlling the stability of water in water emulsions

#221
20100319922
2010-12-23

Methods of fracturing subterranean formations using sulfonated gelling agent polymers

#222
20100319920
2010-12-23

Methods for improving the productivity of oil producing wells

#223
20100314118
2010-12-16

Liquid crystals for drilling, completion and production fluids

#224
20100311623
2010-12-09

Fluid treatment systems, compositions and methods for metal ion stabilization in aqueous solutions

#225
20100311618
2010-12-09

Fluid treatment systems, compositions and methods for metal ion stabilization in aqueous solutions and/or enhanced fluid performance

#226
20100307753
2010-12-09

Methods of treating flowback water

#227
20100307752
2010-12-09

Fluid treatment systems, compositions and methods for metal ion stabilization in aqueous solutions and/or enhanced fluid performance

#228
20100305007
2010-12-02

Copolymer based on a sulfonic acid-containing compound

#229
20100292108
2010-11-18

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

#230
20100276150
2010-11-04

Provision of viscous compositions below ground

#231
20100252264
2010-10-07

Method of treating a subterranean formation with combined breaker and fluid loss additive

#232
20100248997
2010-09-30

Treatment and reuse of oilfield produced water for operations in a well

#233
20100234251
2010-09-16

Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high pH

#234
20100234250
2010-09-16

Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high pH

#235
20100224361
2010-09-09

Compositions and Methods for Treating a Water Blocked Well

#236
20100218950
2010-09-02

BIOCIDE FOR WELL STIMULATION AND TREATMENT FLUIDS

#237
20100206569
2010-08-19

Thermothickener polymer and surfactant composition and methods of employing the composition

#238
20100204068
2010-08-12

Methods for controlling depolymerization of polymer compositions

#239
20100200239
2010-08-12

FRICTION REDUCING COMPOSITIONS FOR WELL TREATMENT FLUIDS AND METHODS OF USE

#240
20100186959
2010-07-29

Methods for treating a well by simultaneously introducing into a mixer streams of water, a viscosity-increasing agent, and a particulate and introducing the mixture into the well

#241
20100181065
2010-07-22

Fluid loss additive and breaking agent

#242
20100120637
2010-05-13

Composition that can form a gel comprising a copolymer, and useful copolymers

#243
20100093874
2010-04-15

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

#244
20100081586
2010-04-01

Wellbore treatment compositions

#245
20100056401
2010-03-04

Partially neutralized polyhydroxy acids for well treatments

#246
20100048431
2010-02-25

Methods and compositions for treating subterranean formations

#247
20100044049
2010-02-25

Green coal bed methane fracturing fluid compositions, methods of preparation and methods of use

#248
20100044048
2010-02-25

Non-toxic, green fracturing fluid compositions, methods of preparation and methods of use

#249
20100038086
2010-02-18

Conformance Control Through Stimulus-Responsive Materials

#250
20090209438
2009-08-20

Low residue fluid fracturing system and method of use

#251
20090163387
2009-06-25

Stabilizing biphasic concentrates through the addition of small amounts of high molecular weight polyelectrolytes

#252
20090149352
2009-06-11

Viscoelastic surfactant fluid systems comprising an aromatic sulfonate and methods of using same

#253
20090133868
2009-05-28

Aqueous two-phase emulsion gel systems for zone isolation

#254
20090105097
2009-04-23

Degradable Friction Reducer

#255
20090075845
2009-03-19

Degradable polymers for wellbore fluids and processes

#256
20090038855
2009-02-12

Variable density fluids and methods of use in subterranean formations

#257
20080289828
2008-11-27

Methods of limiting leak off and damage in hydraulic fractures

#258
20080289827
2008-11-27

Viscosified fluids for remediating subterranean damage

#259
20080194432
2008-08-14

Method for breaking the viscosity of polymer-thickened aqueous systems for mineral oil and natural gas exploration

#260
20080139410
2008-06-12

Viscoelastic surfactant fluid systems comprising an aromatic sulfonate and methods of using same

#261
20080115932
2008-05-22

Method and apparatus for delayed flow or pressure change in wells

#262
20080093073
2008-04-24

Degradable material assisted diversion

#263
20080058576
2008-03-06

Method for generating fracturing water

#264
20080051551
2008-02-28

Compositions and methods for improving the productivity of hydrocarbon producing wells using a non-ionic fluorinated polymeric surfactant

#265
20080051300
2008-02-28

Compositions and method for improving the productivity of hydrocarbon producing wells

#266
20080032903
2008-02-07

Biocide for well stimulation and treatment fluids

#267
20080029266
2008-02-07

Biocide for well stimulation and treatment fluids

#268
20080015120
2008-01-17

Application of degradable polymers in sand control

#269
20070281869
2007-12-06

Thermoviscoelastic system fluid and well treatment method

#270
20070225175
2007-09-27

Application of degradable polymers in well fluids

#271
20070204996
2007-09-06

Treatment fluids comprising friction reducers and antiflocculation additives and associated methods

#272
20070123431
2007-05-31

Polymer hydration method using microemulsions

#273
20070114035
2007-05-24

Method and composition of preparing polymeric fracturing fluids

#274
20070111898
2007-05-17

Methods and compositions for treating subterranean zones

#275
20070029085
2007-02-08

Prevention of Water and Condensate Blocks in Wells

#276
20060283592
2006-12-21

Method useful for controlling fluid loss in subterranean formations

#277
20060142165
2006-06-29

Methods and compositions for treating subterranean formations using sulfonated gelling agent polymers

#278
20060128598
2006-06-15

Viscoelastic surfactant rheology modification

#279
20060032407
2006-02-16

Compositions for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids

#280
20060030493
2006-02-09

Crosslinked treatment fluid compositions and methods

#281
20050215438
2005-09-29

Polymersome compositions and associated methods of use

#282
20050061504
2005-03-24

Methods and compositions for treating subterranean zones

#283
20050051330
2005-03-10

Methods for forming a permeable and stable mass in a subterranean formation

#284
20050022990
2005-02-03

Compositions and methods for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids