ClassID:

104281

C09K8/42 - 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 cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells

Sub-classes:
Recent Application in this class:
#1
20260139184
2026-05-21

BRINE-TOLERANT COMPOSITIONS COMPRISING FATTY ACID OR FATTY ESTER REACTION PRODUCTS OF SACCHARIDE POLYMERS

#2
20260125592
2026-05-07

LOST-CIRCULATION MATERIAL MADE FROM INORGANIC, RECYCLED ROOFING MATERIALS

#3
20250223489
2025-07-10

BRINE-TOLERANT COMPOSITIONS COMPRISING FATTY ACID OR FATTY ESTER REACTION PRODUCTS OF SACCHARIDE POLYMERS

#4
20250218552
2025-07-03

Method to Predict Rheology Parameters Using Consistency of a Cement Slurry

#5
20250059436
2025-02-20

ENCAPSULATION OF OILFIELD CHEMICALS FOR ON-DEMAND TRIGGERED RELEASE

#6
20250003311
2025-01-02

METHOD FOR TAKING A CORE SAMPLE OF A FORMATION

#7
20230400449
2023-12-14

Method to tailor cement composition to withstand carbon dioxide injection loads

#8
20230371454
2023-11-23

Nano-thermite well plug

#9
20230323182
2023-10-12

Open-cell, natural materials as lost-circulation material

#10
20230242804
2023-08-03

Coated rubber particle, its preparation and application thereof

#11
20230112008
2023-04-13

Method to tailor cement properties and optimize injection schedule for near wellbore integrity in carbon storage/injection wells

#12
20230033325
2023-02-02

Method for preventing stratal water from breaking through into bottom holes of wells

#13
20220325602
2022-10-13

Method for taking a core sample of a formation

#14
20220243553
2022-08-04

Two-material P and A plug

#15
20220220355
2022-07-14

Embedded treatment fluid additives for use in subterranean formation operations

#16
20220169908
2022-06-02

UREOLYSIS-INDUCED CALCIUM CARBONATE PRECIPITATION FOR SEALING CHANNELS AND OTHER USES

#17
20220127927
2022-04-28

Nanoparticle-based shear-thickening materials

#18
20220089933
2022-03-24

Control heat of hydration by characterizing cementitious components

#19
20220049150
2022-02-17

Methods and cement compositions for reducing corrosion of wellbore casings

#20
20220010192
2022-01-13

Methods of making and using a wellbore servicing fluid for controlling losses in permeable zones

#21
20210404288
2021-12-30

Method for coring that allows the preservation of in-situ soluble salt cements within subterranean rocks

#22
20210238468
2021-08-05

Stabilization and reduction of TCT of divalent iodide-containing brines

#23
20210198177
2021-07-01

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

#24
20210172280
2021-06-10

Cement composition and its relation with compressive strength

#25
20210115760
2021-04-22

Methods for increasing wellbore strength

#26
20210047897
2021-02-18

Method and apparatus for cementing and cleaning a reservoir liner

#27
20210047552
2021-02-18

Gas generating compositions

#28
20210024831
2021-01-28

Process and system for the above ground extraction of crude oil from oil bearing materials

#29
20210017832
2021-01-21

Method for killing oil and gas wells

#30
20210002975
2021-01-07

System and device for use in performing reverse-cementing operations in downhole well environments

#31
20200347724
2020-11-05

Microorganism curing anti-seepage device based on capsule transmission and control

#32
20200308467
2020-10-01

Reversible aminal gel compositions, methods, and use

#33
20200283345
2020-09-10

SYSTEM, METHOD AND APPARATUS FOR ENTRAINING AIR IN CONCRETE

#34
20200270502
2020-08-27

Gas generating compositions

#35
20200231861
2020-07-23

Dry blend pre-flush and spacer package and method for mixing and injecting a pre-flush and spacer on-the-fly to clean a subterranean well

#36
20200190936
2020-06-18

Curing a lost circulation zone in a wellbore

#37
20200165894
2020-05-28

Two-matertal, P and A plug

#38
20200157405
2020-05-21

Oil well cement settlement stabilizer for high-temperature cementing of oil and gas wells and preparation method thereof, and cement slurry

#39
20200048984
2020-02-13

Nanoparticle-based shear-thickening materials

#40
20190383116
2019-12-19

Analyzing mixability of well cement slurries

#41
20190367795
2019-12-05

Curable composition and resin for treatment of a subterranean formation

#42
20190367794
2019-12-05

Reversible aminal gel compositions, methods, and use

#43
20190360321
2019-11-28

In situ monitoring of cement slurry locations and setting processes

#44
20190359877
2019-11-28

Reversible aminal gel compositions, methods, and use

#45
20190352554
2019-11-21

Reversible aminal gel compositions, methods, and use

#46
20190345371
2019-11-14

Petrified cellulosic materials as additives to treatment fluids

#47
20190330513
2019-10-31

Control heat of hydration by characterizing cementitious components

#48
20190330511
2019-10-31

Corrosion Preventing Composition Pump Additive for Cement and Method of Pumping Cement

#49
20190316021
2019-10-17

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

#50
20190315674
2019-10-17

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

#51
20190292439
2019-09-26

Stabilized nanoparticle compositions comprising ions

#52
20190271209
2019-09-05

Two-material PandA plug

#53
20190264092
2019-08-29

Stabilized nanoparticle compositions comprising ions

#54
20190249065
2019-08-15

Embedded treatment fluid additives for use in subterranean formation operations

#55
20190225873
2019-07-25

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

#56
20190225872
2019-07-25

Polysaccharide coated nanoparticle compositions comprising ions

#57
20190203106
2019-07-04

Polysaccharide coated nanoparticle compositions comprising ions

#58
20190203105
2019-07-04

Polysaccharide coated nanoparticle compositions comprising ions

#59
20190178051
2019-06-13

System and method for delivering a flowable substance and borehole sealing

#60
20190162045
2019-05-30

Method and apparatus for cementing and cleaning a reservoir liner

#61
20190151893
2019-05-23

Latex-bonded metal and cement members

#62
20190145223
2019-05-16

Methods for increasing wellbore strength

#63
20190119556
2019-04-25

Stabilization and reduction of TCT of divalent iodide-containing brines

#64
20190112522
2019-04-18

Aqueous-based epoxy resin microemulsion

#65
20190078417
2019-03-14

Curing a lost circulation zone in a wellbore

#66
20190048246
2019-02-14

AQUEOUS AMPHOLYTE POLYMER CONTAINING SOLUTIONS FOR SUBTERRANEAN APPLICATIONS

#67
20190040295
2019-02-07

Wellbore servicing compositions and methods of making and using same

#68
20190016940
2019-01-17

Defoaming Compositions

#69
20180371306
2018-12-27

Downhole fluids with a particular impedance

#70
20180346792
2018-12-06

Methods and compositions for cleaning interior of a casing string

#71
20180334609
2018-11-22

Oil-swellable, desolvated polymer gels and methods of using the same for preventing loss of non-aqueous wellbore fluids to the subterranean formation

#72
20180334608
2018-11-22

Oil-swellable, desolvated polymer gels and methods of using the same for preventing loss of non-aqueous wellbore fluids to the subterranean formation

#73
20180320059
2018-11-08

Polysaccharide coated nanoparticle compositions comprising ions

#74
20180305601
2018-10-25

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

#75
20180298715
2018-10-18

Two-material P and A plug

#76
20180291258
2018-10-11

Using lecithin-based oil compositions for controlling dust from additive particles

#77
20180282607
2018-10-04

Hydrocarbon-free emulsifier

#78
20180273825
2018-09-27

Settable compositions with variable set times

#79
20180258342
2018-09-13

Compositions including acidic chelator for treatment of subterranean formations including one or more fractures

#80
20180215992
2018-08-02

Delayed breaker for viscoelastic surfactant-based fluids

#81
20180135382
2018-05-17

Methods for formulating a cement slurry for use in a subterranean salt formation

#82
20180134945
2018-05-17

Nanoparticle-based shear-thickening materials

#83
20180127638
2018-05-10

TIME RELEASED DELIVERY OF FUNCTIONAL CHEMICALS

#84
20180127634
2018-05-10

Reversible aminal gel compositions, methods, and use

#85
20180118995
2018-05-03

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

#86
20180118994
2018-05-03

Esteramides and subterranean treatment fluids containing said esteramides

#87
20180087377
2018-03-29

Methods for formulating a cement slurry for use in a subterranean salt formation using geometric modeling

#88
20180051528
2018-02-22

Engineering methodology to treat severe loss zones with thixotropic cement system

#89
20180037792
2018-02-08

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

#90
20180029938
2018-02-01

Cementing methods and systems employing a smart plug

#91
20180016885
2018-01-18

Well treatment fiber delivery system

#92
20180002122
2018-01-04

Using biodegradable oils for controlling dust from additive particles

#93
20170369758
2017-12-28

Methods of using lost circulation treatment materials comprising brown mud

#94
20170369757
2017-12-28

Lost circulation materials comprising cane ash

#95
20170364607
2017-12-21

Methods and system to reduce imperceptible lab experiments

#96
20170342786
2017-11-30

Lost circulation materials comprising red mud

#97
20170341979
2017-11-30

Additive of cellulose nanofibrils or nanocrystals and a second polymer

#98
20170335161
2017-11-23

Reversible aminal gel compositions, methods, and use

#99
20170334779
2017-11-23

PUMPABLE GEOPOLYMER COMPOSITION FOR WELL SEALING APPLICATIONS

#100
20170292345
2017-10-12

Method for using managed pressure drilling with epoxy resin

#101
20170292055
2017-10-12

Method of increasing the density of a well treatment brine

#102
20170275518
2017-09-28

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

#103
20170267911
2017-09-21

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

#104
20170253786
2017-09-07

Additive of chemically-modified cellulose nanofibrils or cellulose nanocrystals

#105
20170247607
2017-08-31

Curable composition and resin for treatment of a subterranean formation

#106
20170240804
2017-08-24

Foam composition

#107
20170226412
2017-08-10

Resin and hardener consolidation composition

#108
20170226399
2017-08-10

Subterranean formation processing composition comprising ultrafine cellulose fibers

#109
20170226398
2017-08-10

Composition comprising ultrafine cellulose fibers

#110
20170218248
2017-08-03

Reversible aminal gel compositions, methods, and use

#111
20170210966
2017-07-27

Clay stabilizing and methods of use with quaternary ammonium salts

#112
20170210965
2017-07-27

Polymer brushes in diverting agents for use in subterranean formations

#113
20170204718
2017-07-20

Systems and methods for in situ monitoring of cement slurry locations and setting processes thereof

#114
20170198547
2017-07-13

Analyzing mixibility of well cement slurries

#115
20170190954
2017-07-06

Polymeric ionic liquid clay control agents

#116
20170190946
2017-07-06

Systems and methods for analyzing the characteristics and compositions of cement additives

#117
20170183560
2017-06-29

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

#118
20170183269
2017-06-29

Systems and methods for analyzing the characteristics and compositions of a dry cement

#119
20170174981
2017-06-22

DEGRADABLE COMPONENTS

#120
20170167223
2017-06-15

System and method of customizable material injection for well cementing

#121
20170166805
2017-06-15

Metal-Organic Frameworks as Encapsulating Agents

#122
20170158567
2017-06-08

System, method and apparatus for entraining air in concrete

#123
20170157796
2017-06-08

System, method and apparatus for entraining air in concrete

#124
20170145285
2017-05-25

Fluids containing cellulose fibers and cellulose nanoparticles for oilfield applications

#125
20170145282
2017-05-25

Clay stabilizers

#126
20170137694
2017-05-18

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

#127
20170137693
2017-05-18

Electrically activated adhesive for strengthening of a subterranean wellbore

#128
20170137687
2017-05-18

Downhole fluids with a particular impedance

#129
20170130122
2017-05-11

Treatment fluids for use in removing acid-soluble materials in subterranean formations

#130
20170121589
2017-05-04

Composition of a degradable diverting agent and a degradable accelerator with tunable degradable rate

#131
20170101575
2017-04-13

Consolidating composition including glycerol with two epoxides for treatment of subterranean formations

#132
20170096597
2017-04-06

FRICTION REDUCTION ENHANCEMENT

#133
20170096594
2017-04-06

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

#134
20170073574
2017-03-16

Methods of producing particles having two different properties

#135
20170073564
2017-03-16

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

#136
20170058177
2017-03-02

Viscometer and methods of use thereof

#137
20170051196
2017-02-23

Viscosifiers and filtration control agents for use in high temperature subterranean operations

#138
20170037301
2017-02-09

Polymeric surfactant containing a protein head group and lipid tail group

#139
20170015896
2017-01-19

Stabilized nanoparticle compositions comprising ions

#140
20170015895
2017-01-19

Polysaccharide coated nanoparticle compositions comprising ions

#141
20170002256
2017-01-05

Chitin nanocrystal containing wellbore fluids

#142
20160362600
2016-12-15

DISINTEGRATING UNIT DOSE POD FOR WELL SERVICING FLUIDS

#143
20160347983
2016-12-01

Clay stabilization with control of migration of clays and fines

#144
20160339624
2016-11-24

Equipment and Methods for Preparing Curved Fibers

#145
20160290115
2016-10-06

RE-FRACTURING A FRACTURE STIMULATED SUBTERRANEAN FORMATION

#146
20160289528
2016-10-06

PROTEIN-BASED FIBROUS BRIDGING MATERIAL AND PROCESS AND SYSTEM FOR TREATING A WELLBORE

#147
20160289525
2016-10-06

Reaction products of acrylamide polymers and methods for use thereof as relative permeability modifiers

#148
20160272868
2016-09-22

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

#149
20160258246
2016-09-08

Methods for formulating a cement slurry for use in a subterranean salt formation

#150
20160230065
2016-08-11

Dual-purpose viscosifier and surface active additives and methods of use

#151
20160168443
2016-06-16

NANOCELLULOSE MATERIALS FOR OILFIELD APPLICATIONS

#152
20160160114
2016-06-09

Control of resin curing

#153
20160160108
2016-06-09

Solids-free diverting agents and methods related thereto

#154
20160152881
2016-06-02

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

#155
20160145482
2016-05-26

COMPOSITIONS FOR TREATING SUBTERRANEAN FORMATIONS

#156
20160137905
2016-05-19

COMPOSITION FOR FINES AGGLOMERATION

#157
20160122616
2016-05-05

Compositions and methods for servicing subterranean wells

#158
20160115759
2016-04-28

Changeable well seal tool

#159
20160115364
2016-04-28

Wellbore servicing compositions and methods of making and using same

#160
20160091478
2016-03-31

Systems and methods for analyzing the characteristics and compositions of a dry cement

#161
20160076369
2016-03-17

Well treatment

#162
20160068738
2016-03-10

Gelling agent for water shut-off in oil and gas wells

#163
20160068737
2016-03-10

GELLING AGENT FOR WATER SHUT-OFF IN OIL AND GAS WELLS

#164
20160068733
2016-03-10

Wellbore fluids comprising mineral particles and methods relating thereto

#165
20160053158
2016-02-25

Sealant compositions and methods utilizing nano-particles

#166
20160046854
2016-02-18

Traceable polymeric additives for use in subterranean formations

#167
20160024371
2016-01-28

Resin composition for treatment of a subterranean formation

#168
20160024370
2016-01-28

Zero-invasion acidic drilling fluid

#169
20160017204
2016-01-21

METHODS AND COMPOSITIONS COMPRISING PARTICLES FOR USE IN OIL AND/OR GAS WELLS

#170
20160003018
2016-01-07

Methods and compositions for use in oil and/or gas wells comprising a terpene alcohol

#171
20150361760
2015-12-17

Materials with nanomaterials for well operations

#172
20150344766
2015-12-03

Enhanced wellbore strengthening solution

#173
20150329767
2015-11-19

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

#174
20150322744
2015-11-12

High temperature viscosifier for insulating packer fluids

#175
20150252638
2015-09-10

Fluid loss well treatment

#176
20150252245
2015-09-10

Swellable compositions for borehole applications

#177
20150211330
2015-07-30

Methods for Maintaining Zonal Isolation in A Subterranean Well

#178
20150198008
2015-07-16

Well system cementing plug

#179
20150184058
2015-07-02

Well Cementing Methods and Apparatuses

#180
20150176363
2015-06-25

Swellable downhole structures including carbon nitride materials, and methods of forming such structures

#181
20150167424
2015-06-18

Deformable plug and seal well system

#182
20150166869
2015-06-18

Enhanced acid soluble wellbore strengthening solution

#183
20150159076
2015-06-11

Acid soluble defluidizing pills

#184
20150152314
2015-06-04

Cement Composition Comprising Nano-Platelets

#185
20150152313
2015-06-04

Rheology modifier for drilling and well treatment fluids

#186
20150099674
2015-04-09

Method and Composition for Curing Lost Circulation

#187
20150060146
2015-03-05

RESERVOIR ACTIVATED EMULSION BREAKING FOR LOST CIRCULATION

#188
20150013983
2015-01-15

Solid-supported crosslinker for treatment of a subterranean formation

#189
20150011442
2015-01-08

Method of treating a high-temperature well with a fluid containing a viscosifier and a stabilizer package

#190
20150011440
2015-01-08

FOAM RESIN SEALANT FOR ZONAL ISOLATION AND METHODS FOR MAKING AND USING SAME

#191
20150007992
2015-01-08

USE OF TERPOLYMERS AS FLUID LOSS ADDITIVES IN WELL CEMENTING

#192
20150005206
2015-01-01

High-temperature crosslinked polymer for use in a well

#193
20150005204
2015-01-01

Methods of using downhole compositions including an ion-sequestering compound

#194
20140367108
2014-12-18

Acidizing compositions including ampholyte polymers

#195
20140360721
2014-12-11

CEMENT COMPOSITION WITH FLY ASH

#196
20140352969
2014-12-04

Ampholyte polymers and methods of treating subterranean formations with the same

#197
20140352962
2014-12-04

Ampholyte polymeric compounds in subterranean applications

#198
20140352960
2014-12-04

Ampholyte polymeric compounds in subterranean applications

#199
20140342952
2014-11-20

Method of treating a high-temperature well with a fluid containing a viscosifier and a stabilizer package

#200
20140323362
2014-10-30

Defoamer formulation and methods for making and using same

#201
20140284057
2014-09-25

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

#202
20140284053
2014-09-25

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

#203
20140262228
2014-09-18

Mechanically Degradable Polymers For Wellbore Work Fluid Applications

#204
20140238677
2014-08-28

Chitin nanocrystal containing wellbore fluids

#205
20140162910
2014-06-12

Wellbore Servicing Compositions and Methods of Making and Using Same

#206
20140151042
2014-06-05

Chelate Compositions And Methods And Fluids For Use In Oilfield Operations

#207
20140116298
2014-05-01

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

#208
20140090845
2014-04-03

Defoaming compositions

#209
20140087977
2014-03-27

High water and brine swell elastomeric compositions and method for making and using same

#210
20140060836
2014-03-06

Methods for Maintaining Zonal Isolation in A Subterranean Well

#211
20140045731
2014-02-13

Equipment for preparing curved fibers

#212
20140034823
2014-02-06

NON-RADIOACTIVE TAGGED CEMENT ADDITIVE FOR CEMENT EVALUATION IN A WELL SYSTEM

#213
20130324444
2013-12-05

SYSTEM AND METHOD FOR DELIVERING TREATMENT FLUID

#214
20130319670
2013-12-05

METHODS FOR SERVICING SUBTERRANEAN WELLS

#215
20130319295
2013-12-05

Slurry of manganomanganic oxide particles and method for the production of slurry

#216
20130152824
2013-06-20

Electrolytic composite materials

#217
20130150267
2013-06-13

MAGNETICALLY CONTROLLED DELIVERY OF SUBTERRANEAN FLUID ADDITIVES FOR USE IN SUBTERRANEAN APPLICATIONS

#218
20130092377
2013-04-18

Use of a chopper mechanism to add fibers to a well

#219
20130043027
2013-02-21

Zonal Isolation Systems For Subterranean Wells

#220
20130000891
2013-01-03

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

#221
20120318175
2012-12-20

Pumpable geopolymers comprising a mixing aid and dispersing agent

#222
20120312535
2012-12-13

Cementing composition comprising within un-reacted cement

#223
20120309653
2012-12-06

Method of fluid slug consolidation within a fluid system in downhole applications

#224
20120267106
2012-10-25

Pumpable geopolymers comprising a setting accelerator

#225
20120260829
2012-10-18

Pumpable geopolymers comprising a fluid-loss agent

#226
20120204764
2012-08-16

Method for Wellbore Servicing to Enhance the Mechanical Strength of Cement Using Electrochemically Activated Water

#227
20120202921
2012-08-09

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

#228
20120202719
2012-08-09

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

#229
20120160778
2012-06-28

Sulfate molecule removal through inorganic or divalent ion nuclei seeding

#230
20120132843
2012-05-31

USE OF COMPOSITE MATERIALS BASED ON CARBON NANOTUBES AS THICKENING AGENTS FOR AQUEOUS SOLUTIONS

#231
20120097395
2012-04-26

Heatable material for well operations

#232
20120090842
2012-04-19

Methods and compositions for suspending fluids in a wellbore

#233
20120071370
2012-03-22

Defoamer formulation and methods for making and using same

#234
20120067577
2012-03-22

Magnetically controlled delivery of subterranean fluid additives for use in subterranean applications

#235
20120061072
2012-03-15

Methods and apparatuses for releasing a chemical into a well bore upon command

#236
20120018154
2012-01-26

Methods for completing thermal-recovery wells

#237
20120000651
2012-01-05

High solids content slurry systems and methods

#238
20110284248
2011-11-24

Foam resin sealant for zonal isolation and methods for making and using same

#239
20110272141
2011-11-10

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

#240
20110214862
2011-09-08

PARTICULATE BRIDGING AGENTS USED FOR FORMING AND BREAKING FILTERCAKES ON WELLBORES

#241
20110203795
2011-08-25

SEALANT FOR FORMING DURABLE PLUGS IN WELLS AND METHODS FOR COMPLETING OR ABANDONING WELLS

#242
20110183871
2011-07-28

Method and composition for curing lost circulation

#243
20110120713
2011-05-26

Increasing fracture complexity in ultra-low permeable subterranean formation using degradable particulate

#244
20110120712
2011-05-26

Increasing fracture complexity in ultra-low permeable subterranean formation using degradable particulate

#245
20110105367
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Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications

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Swellable compositions for borehole applications

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2011-04-07

Method for preparing curved fibers

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2011-03-03

Radiation-induced triggering for set-on-command compositions

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2011-03-03

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

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2011-03-03

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

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2011-02-24

Methods and apparatuses for releasing a chemical into a well bore upon command

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Methods and apparatuses for releasing a chemical into a well bore upon command

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STABILISED EMULSIONS

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

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Viscoelastic surfactants and methods of making and using same

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System, method and apparatus for entraining air in concrete

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Controlling the pressure within an annular volume of a wellbore

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Methods of designing treatment fluids based on solid-fluid interactions

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Controlling the pressure within an annular volume of a wellbore

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Formation treatment

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Controlling the pressure within an annular volume of a wellbore

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Cementing composition comprising within un-reacted cement

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Copolymer based on olefinic sulphonic acids

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Sealant compositions and methods utilizing nano-particles

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Leak-Off Control Agent

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Method for wellbore servicing to enhance the mechanical strength of cement using electrochemically activated water

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USE OF COMPOSITE MATERIALS BASED ON CARBON NANOTUBES AS THICKENING AGENTS FOR AQUEOUS SOLUTIONS

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

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

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DOWNWELL SYSTEM WITH SWELLABLE PACKER INCLUDING BLOWING AGENT

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Apparatus and Methods for Improved Fluid Compatibility in Subterranean Environments

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Controlling the pressure within an annular volume of a wellbore

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Degradable material assisted diversion or isolation

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Use of a chopper mechanism to add fibers to a well

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Stable sodium thiosulfate based fluidized polymer suspensions of hydroxyethyl cellulose for oilfield services

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2008-04-03

Prevention of latex inversion in saltwater cement compositions for use in subterranean formations and associated methods

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2008-02-07

Geopolymer composition and application for carbon dioxide storage

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Settable compositions free of portland cement and associated methods of use

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Methods of using settable compositions in a subterranean formation

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Cements for use across formations containing gas hydrates

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Salt water stable latex cement slurries

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Cement compositions comprising particulate carboxylated elastomers and associated methods

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Controlling the pressure within an annular volume of a wellbore

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Liquid additive for reducing water-soluble chromate

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COPOLYMER BASED ON OLEFINIC SULPHONIC ACIDS

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

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Cementing compositions comprising cement kiln dust, vitrified shale, zeolite, and/or amorphous silica utilizing a packing volume fraction, and associated methods

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Methods of using settable compositions comprising cement kiln dust

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2007-01-18

Apparatus and methods for improved fluid displacement in subterranean formations

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Methods of sequentially injecting different sealant compositions into a wellbore to improve zonal isolation

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Degradable material assisted diversion or isolation

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Apparatus and methods for improved fluid displacement in subterranean formations

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20060060351
2006-03-23

Apparatus and methods for improved fluid displacement in subterranean formations

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Methods of increasing the thickening times of phosphate-based cementitious compositions in high-temperature wellbores

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Methods of using settable compositions in a subterranean formation

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Method for accelerating oil well construction and production processes and heating device therefor

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Methods of using cement compositions having long-term slurry-state stability

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2005-05-12

Cement compositions containing coarse barite, process for making same and methods of cementing in a subterranean formation

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2005-03-24

Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations

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Methods and compositions for cementing in well bores