ClassID:

104299

C09K8/508 - 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 plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls; Compositions based on water or polar solvents containing organic compounds macromolecular compounds

Sub-classes:
Recent Application in this class:
#1
20250236781
2025-07-24

PROPPANT-FIBER SCHEDULE FOR FAR FIELD DIVERSION

#2
20240425745
2024-12-26

WELL TREATMENT FLUID HAVING BIODEGRADABLE FLUID LOSS CONTROL AGENT

#3
20240067862
2024-02-29

Proppant-fiber schedule for far field diversion

#4
20230035211
2023-02-02

Packer fluid with nanosilica dispersion and sodium bicarbonate for thermal insulation

#5
20220389305
2022-12-08

Use of controlled release acid system in treatment of wells

#6
20220204832
2022-06-30

Lost circulation material for reservoir section

#7
20220195285
2022-06-23

BREAKER FLUIDS AND METHODS OF USE THEREOF

#8
20220127523
2022-04-28

POLYMERIC SYSTEMS HAVING ENHANCED VISCOSITY AND PROPPANT TRANSPORT PROPERTIES

#9
20220098465
2022-03-31

Conformance for carbonate formations

#10
20220049147
2022-02-17

Lost circulation material for reservoir section

#11
20210403793
2021-12-30

Contribution based approach to increase the density and strength of current thixotropic loss control solutions

#12
20210371722
2021-12-02

Methods and compositions for mitigating fluid loss from well ballooning

#13
20210317360
2021-10-14

Methods and materials for controlled release of materials in a subterranean reservoir

#14
20210230474
2021-07-29

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

#15
20210222047
2021-07-22

Wellbore treatment fluids with no-heat liquid solder additives

#16
20210214601
2021-07-15

Method and material for isolating a severe loss zone

#17
20210024807
2021-01-28

Proppant-fiber schedule for far field diversion

#18
20200407624
2020-12-31

Sequenced polymers for monitoring the filtrate

#19
20200407620
2020-12-31

Method and materials to convert a drilling mud into a solid gel based lost circulation material

#20
20200339863
2020-10-29

Well treatment fluid having an acidic nanoparticle based dispersion, an epoxy resin, and a polyamine

#21
20200332637
2020-10-22

Controlling wellbore pathways by manipulating the surface area to mass ratio of the diverting material

#22
20200325126
2020-10-15

Heterocyclic amides useful as protein modulators

#23
20200299564
2020-09-24

Application of polyelectrolyte complex nanoparticles to fluid loss control of oil well cementing

#24
20200270508
2020-08-27

Sequenced polymers for monitoring the filtrate and the rheology

#25
20200224074
2020-07-16

Star macromolecules for wellbore applications

#26
20200208037
2020-07-02

Method and materials to convert a drilling mud into a solid gel based lost circulation material

#27
20200140746
2020-05-07

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

#28
20200131420
2020-04-30

METHOD AND COMPOSITION OF MATTER FOR REDUCING LOST CIRCULATION

#29
20200102798
2020-04-02

Used automobile tires as loss circulation material

#30
20200017758
2020-01-16

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

#31
20200017757
2020-01-16

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

#32
20190375982
2019-12-12

Methods and materials for controlled release of materials in a subterranean reservoir

#33
20190375978
2019-12-12

Use of shape memory materials in wellbore servicing fluids

#34
20190375974
2019-12-12

Two-component lost circulation pill for seepage to moderate loss control

#35
20190359495
2019-11-28

CARBONATE COMPOSITIONS AND METHODS OF USE THEREOF

#36
20190292435
2019-09-26

Method for sealing a void in a well using a smart gel sealant

#37
20190292434
2019-09-26

Loss circulation compositions (LCM) having Portland cement clinker

#38
20190292433
2019-09-26

Loss circulation compositions (LCM) having Portland cement clinker

#39
20190270927
2019-09-05

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

#40
20190264542
2019-08-29

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

#41
20190256759
2019-08-22

Polymer system for fluid loss control

#42
20190249071
2019-08-15

Method for improving production of a well bore

#43
20190249064
2019-08-15

Method and material for isolating a severe loss zone

#44
20190249063
2019-08-15

Method and material for isolating a severe loss zone

#45
20190249062
2019-08-15

Method and material for isolating a severe loss zone

#46
20190249061
2019-08-15

Method and material for isolating a severe loss zone

#47
20190226288
2019-07-25

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

#48
20190225865
2019-07-25

Loss circulation compositions (LCM) having portland cement clinker

#49
20190185736
2019-06-20

Loss circulation compositions (LCM) having Portland cement clinker

#50
20190178051
2019-06-13

System and method for delivering a flowable substance and borehole sealing

#51
20190177604
2019-06-13

Degradable thermosetting compositions for enhanced well production

#52
20190162050
2019-05-30

Chelating agents and scale inhibitors in degradable downhole tools

#53
20190153296
2019-05-23

Crush resistant buoyant ball sealers

#54
20190153295
2019-05-23

Method for recovering hydrocarbon fluids from a subterranean reservoir using alpha-glycol containing sulfonated epoxy resin compound

#55
20190153294
2019-05-23

Loss circulation compositions (LCM) having Portland cement clinker

#56
20190153293
2019-05-23

Loss circulation compositions (LCM) having portland cement clinker

#57
20190153292
2019-05-23

Loss circulation compositions (LCM) having Portland cement clinker

#58
20190136116
2019-05-09

Low-density, high-strength degradable temporary pugging agent and the preparation method and use thereof

#59
20190119547
2019-04-25

Fluid loss additive for water based drilling fluids with improved thermal stability

#60
20190112892
2019-04-18

Flow control in subterranean wells

#61
20190078013
2019-03-14

Well treatment fluid having an acidic nanoparticle based dispersion and a polyamine

#62
20190024490
2019-01-24

Methods for temporary fracture isolation

#63
20190023970
2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

#64
20190023969
2019-01-24

Loss circulation compositions (LCM) having Portland cement clinker

#65
20190023968
2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

#66
20190023967
2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

#67
20180371851
2018-12-27

Hydraulic diversion systems to enhance matrix treatments and methods for using same

#68
20180363440
2018-12-20

Controlling wellbore pathways by manipulating the surface area to mass ratio of the diverting material

#69
20180362830
2018-12-20

Clean gravel pack fluid composition and method for sand control applications

#70
20180362829
2018-12-20

Controlling wellbore pathways by manipulating the surface area to mass ratio of the diverting material

#71
20180355692
2018-12-13

Method of producing resin composite with required thermal and mechanical properties to form a durable well seal in applications

#72
20180355237
2018-12-13

Resin composite with overloaded solids for well sealing applications

#73
20180340112
2018-11-29

Method of limiting permeability of a matrix to limit liquid and/or gas inflow

#74
20180327649
2018-11-15

Plugging and sealing subterranean formations

#75
20180305602
2018-10-25

Epoxy resin formulations containing an impact modifier for use in subterranean wells

#76
20180273824
2018-09-27

Modified deformed reinforcement fibers, methods of making, and uses

#77
20180251666
2018-09-06

Polymer-modified asphalt for drilling fluid applications

#78
20180237682
2018-08-23

Sealing fluid for setting a packer

#79
20180230355
2018-08-16

Star macromolecules for wellbore applications

#80
20180223170
2018-08-09

Permeability modification of subterranean formation for consolidation treatments

#81
20180202278
2018-07-19

Method of using diverter and proppant mixture

#82
20180202276
2018-07-19

Methods of improving hydraulic fracture network

#83
20180163119
2018-06-14

Methods for treating a subterranean well

#84
20180155605
2018-06-07

Swellable glass particles for reducing fluid flow in subterranean formations

#85
20180155478
2018-06-07

Method For Producing Polymers On The Basis Of Acryloyldimethyltaurate And Neutral Monomers

#86
20180148994
2018-05-31

Flow control in subterranean wells

#87
20180148627
2018-05-31

Heavy-atom resin formulation for use in subterranean wells

#88
20180118997
2018-05-03

Methods of forming a degradable component

#89
20180086966
2018-03-29

Method for diverting an underground formation

#90
20180037793
2018-02-08

Polymer system for fluid loss control

#91
20180022982
2018-01-25

Methods and compositions for reducing water production in fractures or voids in subterranean formations

#92
20180010034
2018-01-11

Sealant composition for use in subterranean formations

#93
20180010030
2018-01-11

Two-component lost circulation pill for seepage to moderate loss control

#94
20170369766
2017-12-28

Methods and materials for controlled release of materials in a subterranean reservoir

#95
20170341979
2017-11-30

Additive of cellulose nanofibrils or nanocrystals and a second polymer

#96
20170283683
2017-10-05

Milled fibers for fracture sealing performance improvement

#97
20170260819
2017-09-14

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

#98
20170260443
2017-09-14

Activators for inorganic oxide breakers

#99
20170253785
2017-09-07

Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations

#100
20170247596
2017-08-31

Fluid loss additive package for shallow well drilling fluids

#101
20170226407
2017-08-10

Composition comprising ultrafine cellulose fibers

#102
20170218247
2017-08-03

THERMOSETTING COMPOSITION FOR USE AS LOST CIRCULATION MATERIAL

#103
20170198199
2017-07-13

Foamed curable resin fluids

#104
20170166797
2017-06-15

Controlled swelling of swellable polymers downhole

#105
20170145289
2017-05-25

Barite filter cake removing composition and method

#106
20170137693
2017-05-18

Electrically activated adhesive for strengthening of a subterranean wellbore

#107
20170137690
2017-05-18

Wellbore strengthening additive and uses thereof

#108
20170058181
2017-03-02

Grout fluids for use in a geothermal well loop

#109
20170029690
2017-02-02

Encapsulated activator and its use to trigger a gelling system by physical means

#110
20170029688
2017-02-02

Smart filter cake for strengthening formations

#111
20170022408
2017-01-26

Fluid loss additive for water based drilling fluids with improved thermal stability

#112
20170015890
2017-01-19

Smart filtrate for strengthening formations

#113
20170009126
2017-01-12

Consolidation compositions comprising multipodal silane coupling agents

#114
20170009124
2017-01-12

Stabilizing formation laminae in coal seam wellbores

#115
20160376490
2016-12-29

Functionalized nanoparticles as crosslinking agents for sealant application

#116
20160355726
2016-12-08

Methods for improving the distribution of a sealant composition in a wellbore and treatment fluids providing the same

#117
20160319186
2016-11-03

Crosslinker-coated proppant particulates for use in treatment fluids comprising gelling agents

#118
20160304398
2016-10-20

Sealant material for subterranean wells

#119
20160298017
2016-10-13

TEMPORARY PLUGGING AGENT FOR WELL DRILLING

#120
20160251563
2016-09-01

Water blockage agents using hydrolyzed canola protein hydrogels

#121
20160251562
2016-09-01

Composition for stabilizing unconsolidated formation and fines agglomeration

#122
20160237336
2016-08-18

Dual breaker system for reducing formation damage during fracturing

#123
20160194549
2016-07-07

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

#124
20160194544
2016-07-07

Epoxy resin formulations containing an impact modifier for use in subterranean wells

#125
20160177167
2016-06-23

Heavy-atom resin formulation for use in subterranean wells

#126
20160160610
2016-06-09

Removing cured resins from subterranean formations and completions

#127
20160160114
2016-06-09

Control of resin curing

#128
20160160108
2016-06-09

Solids-free diverting agents and methods related thereto

#129
20160115368
2016-04-28

Methods of using a degradable component in a wellbore and related systems and methods of forming such components

#130
20160024367
2016-01-28

Ethylene viscosifier polymer for treatment of a subterranean formation

#131
20150167269
2015-06-18

Method of limiting permeability of a matrix to limit liquid and gas inflow

#132
20150107858
2015-04-23

Fluid pressure transmission pill

#133
20150041132
2015-02-12

Method of using diverter and proppant mixture

#134
20150021028
2015-01-22

Sealing fluid for setting a packer

#135
20140374110
2014-12-25

Engineering plastic / inorganic fiber blends as lost circulation materials

#136
20140353043
2014-12-04

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

#137
20140352959
2014-12-04

Diverting systems for use in low temperature well treatment operations

#138
20140311743
2014-10-23

Methods and compositions of treating subterranean formations with a novel resin system

#139
20140274815
2014-09-18

Modified deformed reinforcement fibers, methods of making, and uses

#140
20140262255
2014-09-18

Methods for improving the sweep efficiency of gas injection

#141
20140213490
2014-07-31

Wellbore servicing compositions and methods of making and using same

#142
20140190695
2014-07-10

Methods using stimulation-capable drill-in and completion fluids

#143
20140116298
2014-05-01

Radiation-induced triggering for set-on-command sealant compositions

#144
20140100304
2014-04-10

Encapsulated activator and its use to trigger a gelling system by physical means

#145
20130317135
2013-11-28

WATER SHUT-OFF SYSTEM FOR PRODUCTION AND/OR INJECTION WELLS

#146
20130303412
2013-11-14

Viscosified fluid loss control agent utilizing chelates

#147
20130292116
2013-11-07

Methods for Controlling Formation Fines Migration

#148
20130161024
2013-06-27

Downhole fluid flow control system having temporary sealing substance and method for use thereof

#149
20130133887
2013-05-30

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

#150
20130126177
2013-05-23

Method for building and forming a plug in a horizontal wellbore

#151
20130123394
2013-05-16

Swellable material using soy spent flakes

#152
20130081813
2013-04-04

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

#153
20120298357
2012-11-29

Compositions and systems for combatting lost circulation and methods

#154
20120285688
2012-11-15

Method of well treatment using synthetic polymers

#155
20120285683
2012-11-15

Reducing or stopping the uncontrolled flow of fluid such as oil from a well

#156
20120279711
2012-11-08

Environmentally friendly low temperature breaker systems and related methods

#157
20120267111
2012-10-25

Synthesis of Degradable Polymers Downhole for Oilfield Applications

#158
20120267101
2012-10-25

Application of degradable polymers in sand control

#159
20120264885
2012-10-18

Hydrophobically and cationically modified relative permeability modifiers and associated methods

#160
20120264655
2012-10-18

THERMO-RESPONSIVE HYDROGELS AND THERMO-RESPONSIVE POLYMER SOLUTIONS

#161
20120261126
2012-10-18

Methods and compositions for controlling formation fines and reducing proppant flow-back

#162
20120258894
2012-10-11

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

#163
20120255731
2012-10-11

Process for producing mineral oil from underground formations

#164
20120247762
2012-10-04

Anti-channeling pack-off particles used in a production section of an oil-gas well, and completion method and production method using such particles

#165
20120231978
2012-09-13

Permeability-Modifying Drilling Fluids and Methods of Use

#166
20120205102
2012-08-16

Well treatment

#167
20120190593
2012-07-26

PERMEABILITY BLOCKING WITH STIMULI-RESPONSIVE MICROCOMPOSITES

#168
20120181034
2012-07-19

High temperature temporary diverter and lost circulation material

#169
20120175119
2012-07-12

Method for servicing subterranean wells

#170
20120165232
2012-06-28

Methods of Controlling the Degradation Rate of Hydrolytically Degradable Materials

#171
20120145387
2012-06-14

Compositions and Methods for Servicing Subterranean Wells

#172
20120135895
2012-05-31

Methods relating to the stabilization of hydrophobically modified hydrophilic polymer treatment fluids under alkaline conditions

#173
20120048550
2012-03-01

Methods useful for controlling fluid loss in subterranean formations

#174
20120018226
2012-01-26

Method and biodegradable water based thinner composition for drilling subterranean boreholes with aqueous based drilling fluid

#175
20120012320
2012-01-19

Polymerizing and anchoring a water-soluble polymer to an in-place mineral surface of a well

#176
20120012318
2012-01-19

Compositions And Methods For Servicing Subterranean Wells

#177
20110294704
2011-12-01

Permeability-modifying drilling fluids and methods of use

#178
20110290493
2011-12-01

Compositions and methods for completing subterranean wells

#179
20110284245
2011-11-24

FLUID COMPOSITION COMPRISING PARTICLES AND METHOD OF MODIFYING A WELLBORE USING THE SAME

#180
20110272141
2011-11-10

Radiation-induced triggering for set-on-command sealant compositions and methods of use

#181
20110265996
2011-11-03

Radiation-induced thickening for set-on-command sealant compositions and methods of use

#182
20110265994
2011-11-03

Systems and methods for hydraulic barrier formation to improve sweep efficiency in subterranean oil reservoirs

#183
20110183874
2011-07-28

Lost circulation material for oilfield use

#184
20110183873
2011-07-28

Open-hole wellbore lining

#185
20110168449
2011-07-14

METHODS FOR DRILLING, REAMING AND CONSOLIDATING A SUBTERRANEAN FORMATION

#186
20110162854
2011-07-07

Open-hole wellbore lining

#187
20110146997
2011-06-23

Formation conditioning fluids comprising peroxides and methods relating thereto

#188
20110136702
2011-06-09

Wellbore fluid additives and methods of producing the same

#189
20110118381
2011-05-19

Inverse emulsion polymers as lost circulation material

#190
20110114318
2011-05-19

Compositions and systems for combatting lost circulation and methods of using the same

#191
20110098377
2011-04-28

Method of controlling water production through treating particles with RPMS

#192
20110083902
2011-04-14

Lost circulation control fluids for naturally fractured carbonate formations

#193
20110056752
2011-03-10

Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss

#194
20110054068
2011-03-03

Radiation-induced triggering for set-on-command compositions

#195
20110054067
2011-03-03

Radiation-induced thickening for set-on-command sealant compositions

#196
20110048718
2011-03-03

Treatment fluids comprising entangled equilibrium polymer networks

#197
20110048716
2011-03-03

Treatment fluids comprising transient polymer networks

#198
20110034351
2011-02-10

Hydrophobically and cationically modified relative permeability modifiers and associated methods

#199
20110024988
2011-02-03

METHOD OF SEALING A LEAK

#200
20110024115
2011-02-03

Method to control driving fluid breakthrough during production of hydrocarbons from a subterranean reservoir

#201
20110021387
2011-01-27

Reversible gelling system and method using same during well treatments

#202
20110015301
2011-01-20

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

#203
20110005753
2011-01-13

Methods of fluid-controlled geometry stimulation

#204
20110003720
2011-01-06

Controlling the stability of water in water emulsions

#205
20110000673
2011-01-06

Drilling fluid and method for reducing lost circulation

#206
20100298175
2010-11-25

Lost circulation material for oilfield use

#207
20100276150
2010-11-04

Provision of viscous compositions below ground

#208
20100273685
2010-10-28

Methods and composition relating to the chemical degradation of degradable polymers

#209
20100267591
2010-10-21

Subterranean bridging agents

#210
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

#211
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

#212
20100230108
2010-09-16

Methods of degrading subterranean filter cakes

#213
20100218949
2010-09-02

Swellable elastomers and associated methods

#214
20100210481
2010-08-19

Drilling fluids with redispersible polymer powders

#215
20100186957
2010-07-29

Fluid pressure transmission pill

#216
20100186954
2010-07-29

METHODS FOR CONTROLLING WATER AND PARTICULATE PRODUCTION IN SUBTERRANEAN WELLS

#217
20100163228
2010-07-01

Internal breaker for oilfield treatments

#218
20100160189
2010-06-24

Method and composition for removing filter cake

#219
20100132944
2010-06-03

Differential filters for removing water during oil production

#220
20100126723
2010-05-27

Fluid loss control

#221
20100116497
2010-05-13

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

#222
20100075871
2010-03-25

Stabilized aqueous polymer compositions and their use

#223
20100056401
2010-03-04

Partially neutralized polyhydroxy acids for well treatments

#224
20100036017
2010-02-11

Sealant compositions comprising diutan and associated methods

#225
20100035772
2010-02-11

Sealant compositions comprising solid latex

#226
20100018709
2010-01-28

Method of gravel packing a well containing synthetic or oil-based drilling fluids

#227
20100016179
2010-01-21

Wellbore fluid comprising at least one polymer containing pendant alkyl groups

#228
20100004146
2010-01-07

Leak-Off Control Agent

#229
20090314493
2009-12-24

Method for controlled gelation of silicates

#230
20090305913
2009-12-10

Dual-function additives for enhancing fluid loss control and stabilizing viscoelastic surfactant fluids

#231
20090301722
2009-12-10

System, method, and apparatus for injection well clean-up operations

#232
20090260813
2009-10-22

Method for terminating or reducing water flow in a subterranean formation

#233
20090247428
2009-10-01

Wellbore fluid comprising sulfonated copolymers with pendant alkyl groups

#234
20090221452
2009-09-03

Lost circulation material formulation and method of use

#235
20090205830
2009-08-20

Methods and compositions for stabilizing formation fines and sand

#236
20090205828
2009-08-20

Production and delivery of a fluid mixture to an annular volume of a wellbore

#237
20090203555
2009-08-13

Use of Relative Permeability Modifiers in Treating Subterranean Formations

#238
20090188639
2009-07-30

Use of water-soluble polymer complexes in aqueous systems

#239
20090163387
2009-06-25

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

#240
20090143257
2009-06-04

Methods and Compositions for Controlling Water Production

#241
20090143255
2009-06-04

Methods and Compositions for Improving Well Bore Stability in Subterranean Formations

#242
20090137431
2009-05-28

Oilwell sealant compositions comprising alkali swellable latex

#243
20090133868
2009-05-28

Aqueous two-phase emulsion gel systems for zone isolation

#244
20090095535
2009-04-16

Methods of drilling and consolidating subterranean formation particulates

#245
20090090514
2009-04-09

Open-hole wellbore lining

#246
20090075845
2009-03-19

Degradable polymers for wellbore fluids and processes

#247
20090062157
2009-03-05

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

#248
20090038855
2009-02-12

Variable density fluids and methods of use in subterranean formations

#249
20080289823
2008-11-27

Degradable material assisted diversion or isolation

#250
20080200352
2008-08-21

Degradable material assisted diversion or isolation

#251
20080196897
2008-08-21

Methods of completing wells for controlling water and particulate production

#252
20080194432
2008-08-14

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