ClassID:

104293

C09K8/50 - 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

Sub-classes:
Recent Application in this class:
#1
20260042951
2026-02-12

HYDROGEN SWELLABLE FILLERS FOR SURFACE AND UNDERGROUND FLUID ISOLATION BARRIERS

#2
20250305377
2025-10-02

LOST CIRCULATION MATERIAL COMPOSITIONS UTILIZING SPENT DRILLING FLUIDS AND METHODS FOR USING THE SAME

#3
20250108344
2025-04-03

Thickening device and method for uniform solidification of composite lost circulation material made up of liquid and granular lost circulation materials

#4
20240418053
2024-12-19

Controlled deployment of shape-memory articles using emulsified fluids

#5
20240368961
2024-11-07

PROTECTING THE CASING-CASING ANNULUS IN HYDROCARBON PRODUCING WELLBORES

#6
20240229406
2024-07-11

INTEGRATED PAC-BASED CAP DELIVERY SYSTEM, APPARATUS AND COMPOSITIONS

#7
20230374369
2023-11-23

Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives

#8
20230340841
2023-10-26

Designing For Permeability Of Filter Cake To Control Lost Circulation

#9
20230126946
2023-04-27

Method for leveling the injectivity profile of an injection well

#10
20230033325
2023-02-02

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

#11
20220298409
2022-09-22

Delayed gelation of polymers

#12
20220098955
2022-03-31

Method for filling oil-gas well of fractured oil-gas reservoir with isolation particles to reduce water and increase oil production

#13
20220098469
2022-03-31

Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives

#14
20210403793
2021-12-30

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

#15
20210131284
2021-05-06

Method and system for extracting reservoir fluid sample

#16
20210115760
2021-04-22

Methods for increasing wellbore strength

#17
20210102107
2021-04-08

INDUCIBLY DEGRADABLE POLYACETAL COMPOSITIONS FOR USE IN SUBTERRANEAN FORMATIONS

#18
20210054260
2021-02-25

Delayed gelation of polymers

#19
20210040821
2021-02-11

In-situ system for mixing two or more chemical components downhole in a wellbore and a method employing same

#20
20200339864
2020-10-29

Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives

#21
20200270976
2020-08-27

Using electromagnetic waves to remove near wellbore damages in a hydrocarbon reservoir

#22
20200190936
2020-06-18

Curing a lost circulation zone in a wellbore

#23
20190383115
2019-12-19

Well apparatus and associated methods

#24
20190367803
2019-12-05

Easily dispersible polymer powder for hydrocarbon extraction

#25
20190323304
2019-10-24

Downhole in-situ heat generation to remove filtercake

#26
20190323303
2019-10-24

Downhole in-situ heat generation to remove filtercake

#27
20190292890
2019-09-26

Using electromagnetic waves to remove near wellbore damages in a hydrocarbon reservoir

#28
20190292439
2019-09-26

Stabilized nanoparticle compositions comprising ions

#29
20190276732
2019-09-12

Distributing an amorphic degradable polymer in wellbore operations

#30
20190264095
2019-08-29

In situ formed inorganic solids in fracture networks

#31
20190264092
2019-08-29

Stabilized nanoparticle compositions comprising ions

#32
20190257201
2019-08-22

Method and system for extracting reservoir fluid sample

#33
20190203101
2019-07-04

Use of degradable metal alloy waste particulates in well treatment fluids

#34
20190162051
2019-05-30

In-situ system for mixing two or more chemical components downhole in a wellbore and a method employing same

#35
20190153805
2019-05-23

CONTROL OF ELASTOMER SWELLING RATE VIA SURFACE FUNCTIONALIZATION

#36
20190145223
2019-05-16

Methods for increasing wellbore strength

#37
20190078417
2019-03-14

Curing a lost circulation zone in a wellbore

#38
20190055445
2019-02-21

Fiber suspending agent for lost-circulation materials

#39
20190032476
2019-01-31

Determining Depth of Loss Zones in Subterranean Formations

#40
20180371851
2018-12-27

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

#41
20180346787
2018-12-06

Modified biopolymers for diversion, conformance, and fluid loss control

#42
20180298274
2018-10-18

Oil field chemical delivery fluids, methods for their use in the targeted delivery of oil field chemicals to subterranean hydrocarbon reservoirs and methods for tracing fluid flow

#43
20180273826
2018-09-27

Conveyance of ambient-reactive subterranean formation additives to downhole locations

#44
20180265765
2018-09-20

Encapsulated scale inhibitor for downhole applications in subterranean formations

#45
20180258342
2018-09-13

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

#46
20180215990
2018-08-02

WELLBORE STRENGTHENING COMPOSITION

#47
20180194984
2018-07-12

Methods and compositions for in-situ polymerization reaction to improve shale inhibition

#48
20180193811
2018-07-12

Method of manufacturing a composite granular grouting material

#49
20180171211
2018-06-21

Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives

#50
20180105730
2018-04-19

Inducibly degradable polyacetal compositions for use in subterranean formations

#51
20180100375
2018-04-12

SUBTERRANEAN WELL AND FORMATION TREATMENT

#52
20180079950
2018-03-22

DEGRADABLE BALL SEALERS WITH IMPROVED SOLUBILITY CHARACTERISTICS

#53
20180051528
2018-02-22

Engineering methodology to treat severe loss zones with thixotropic cement system

#54
20170362924
2017-12-21

Method of chemically delaying peroxygen based viscosity reduction reactions

#55
20170362497
2017-12-21

Easily dispersible polymer powder for hydrocarbon extraction

#56
20170341981
2017-11-30

Establishing control of oil and gas producing wellbore through application of self-degrading particulates

#57
20170321106
2017-11-09

Method for microbial control of injection liquid flow in a hydrocarbon reservoir

#58
20170283683
2017-10-05

Milled fibers for fracture sealing performance improvement

#59
20170268312
2017-09-21

ADJUSTABLE RHEOLOGICAL WELL CONTROL FLUID

#60
20170253787
2017-09-07

COMPLEX EMULSIFIER COMPOSITIONS AND METHODS OF USE

#61
20170247602
2017-08-31

Composition including a glycerol ester including at least two epoxides for treatment of subterranean formations

#62
20170218253
2017-08-03

Method for drilling a well with reduced infiltration

#63
20170198179
2017-07-13

BALL SEALERS FOR USE IN SUBTERRANEAN WELLS, METHODS OF MAKING AND USING SAME

#64
20170167211
2017-06-15

Downhole in-situ heat generation to remove filtercake

#65
20170145282
2017-05-25

Clay stabilizers

#66
20170088696
2017-03-30

RUBBER REINFORCED WITH FILLERS DISPERSED IN FUNCTIONALIZED SILSESQUIOXANES

#67
20170081583
2017-03-23

Chemical imbibition by gels containing surfactants for fractured carbonate reservoirs

#68
20170073569
2017-03-16

Maleic anhydride polymers and methods of treating subterranean formations

#69
20170015896
2017-01-19

Stabilized nanoparticle compositions comprising ions

#70
20170009552
2017-01-12

Swab-resistant downhole tools comprising sealing elements composed of shape memory polymers

#71
20170002255
2017-01-05

Methods and compositions for in-situ polymerization reaction to improve shale inhibition

#72
20160362593
2016-12-15

Styrenic block copolymers as thermally-activated viscosifiers for oilfield applications

#73
20160356919
2016-12-08

Methods and apparatuses for deriving wellbore fluid sag from thermal conductivity measurements

#74
20160341031
2016-11-24

Determining depth of loss zones in subterranean formations

#75
20160312105
2016-10-27

Multi-functional additive for oil or gas operations

#76
20160312100
2016-10-27

Preparation and use of drilling fluids with date seed powder fluid loss additive

#77
20160312098
2016-10-27

Methods and compositions to use shape changing polymers in subterranean formations

#78
20160289525
2016-10-06

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

#79
20160272871
2016-09-22

Subterranean treatment with compositions including hexaaquaaluminum trihalide

#80
20160257869
2016-09-08

Fiber suspending agent for lost-circulation materials

#81
20160230495
2016-08-11

Swellable article

#82
20160230066
2016-08-11

Compositions for treating subterranean formations

#83
20160229797
2016-08-11

Low pH metal-free preparation of aminated organic acid

#84
20160214896
2016-07-28

Block polymers for fluid loss control

#85
20160186038
2016-06-30

Curdlan Gel Based Heat-resistant Profile Control and Water Plugging Agent

#86
20160160110
2016-06-09

WELLBORE SERVICING COMPOSITIONS AND METHODS OF MAKING AND USING SAME

#87
20160137906
2016-05-19

Delayed gelation of polymers

#88
20160122617
2016-05-05

Degradable balls for use in subterranean applications

#89
20160115367
2016-04-28

Ultrahigh Molecular Weight Polyethylene Reinforced Rubber Compositions For Subterranean Applications

#90
20160090812
2016-03-31

Deployment of expandable graphite

#91
20160069155
2016-03-10

High strength dissolvable compositions for use in subterranean wells

#92
20160053158
2016-02-25

Sealant compositions and methods utilizing nano-particles

#93
20160040055
2016-02-11

Compositions for treating subterranean formations

#94
20160024370
2016-01-28

Zero-invasion acidic drilling fluid

#95
20150353811
2015-12-10

CROSS-LINKABLE RUBBER COMPOSITION FOR SEAL MATERIAL USED AT OILFIELD OR GAS WELL AND SEAL MATERIAL

#96
20150344766
2015-12-03

Enhanced wellbore strengthening solution

#97
20150322744
2015-11-12

High temperature viscosifier for insulating packer fluids

#98
20150292279
2015-10-15

Method of Stopping Lost Circulation

#99
20150292278
2015-10-15

Method of Stopping Lost Circulation

#100
20150275615
2015-10-01

Well operating elements comprising a soluble component and methods of use

#101
20150275064
2015-10-01

Method of chemically delaying peroxygen based viscosity reduction reactions

#102
20150247392
2015-09-03

Systems and methods for the treatment of oil and/or gas wells with a polymeric material

#103
20150203736
2015-07-23

Comb polymer, method of preparing the same, and use thereof

#104
20150167269
2015-06-18

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

#105
20150166869
2015-06-18

Enhanced acid soluble wellbore strengthening solution

#106
20150159076
2015-06-11

Acid soluble defluidizing pills

#107
20150129213
2015-05-14

Methods of treating subterranean formations with fluids comprising proppant containing particle

#108
20150068428
2015-03-12

Silica composition for servicing subterranean wells

#109
20150005206
2015-01-01

High-temperature crosslinked polymer for use in a well

#110
20140360728
2014-12-11

Degradable composite materials and uses

#111
20140290954
2014-10-02

Wellbore strengthening composition

#112
20140284054
2014-09-25

Methods for consolidation treatments in subterranean formations using silicon compounds derived from furfuryl alcohols

#113
20140274816
2014-09-18

Drilling fluid additive for loss circulation and wellbore strengthening

#114
20140262348
2014-09-18

Method of using gelled fluids with defined specific gravity

#115
20140231082
2014-08-21

Methods and compositions for treating subterranean formations with interlocking lost circulation materials

#116
20140216743
2014-08-07

Shape-change particle plug system

#117
20140209298
2014-07-31

High efficiency radiation-induced triggering for set-on-command compositions and methods of use

#118
20140155303
2014-06-05

Zero-leakoff gel

#119
20140155300
2014-06-05

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

#120
20140130581
2014-05-15

Method for determining the effectiveness of asphaltene dispersant additives for inhibiting or preventing asphaltene precipitation in a hydrocarbon-containing material subjected to elevated temperature and presssure conditions

#121
20140121134
2014-05-01

Drilling fluid compositions and methods for use thereof in subterranean formations

#122
20140110113
2014-04-24

Method of forming fluid impermeable plug in a subterranean formation

#123
20140090895
2014-04-03

Compositions and methods for reducing fluid loss

#124
20140087977
2014-03-27

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

#125
20140083679
2014-03-27

Method for microbial control of injection liquid flow in a hydrocarbon reservoir

#126
20140076552
2014-03-20

Treatment fluids comprising magnetic surfactants and methods relating thereto

#127
20140054034
2014-02-27

Methods and compositions for enhancing well productivity in weakly consolidated or unconsolidated formations

#128
20140051612
2014-02-20

Swellable article

#129
20140051608
2014-02-20

Wellbore Servicing Compositions and Methods of Making and Using Same

#130
20130341022
2013-12-26

Methods of Using Nanoparticle Suspension Aids in Subterranean Operations

#131
20130306306
2013-11-21

Polymer composition, swellable composition comprising the polymer composition, and articles including the swellable composition

#132
20130299168
2013-11-14

Zero-leakoff gel

#133
20130292123
2013-11-07

Degradable balls for use in subterranean applications

#134
20130255949
2013-10-03

Cement compositions comprising lignite-based grafted copolymers and methods of use

#135
20130233553
2013-09-12

Methods for servicing subterranean wells

#136
20130228333
2013-09-05

Wellbore servicing compositions and methods of making and using same

#137
20130118742
2013-05-16

Engineered fibers for well treatments

#138
20130087330
2013-04-11

Lost-circulation material made from a recycled material containing asphalt

#139
20130081821
2013-04-04

Reinforcing Amorphous PLA with Solid Particles for Downhole Applications

#140
20130000891
2013-01-03

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

#141
20120305254
2012-12-06

METHODS TO IMPROVE STABILITY OF HIGH SOLID CONTENT FLUID

#142
20120285691
2012-11-15

Permeability modification and water shut off composition and process

#143
20120247772
2012-10-04

Method of isolating and completing multiple zones within a wellbore

#144
20120247763
2012-10-04

BIOMASS-BASED OIL FIELD CHEMICALS

#145
20120214715
2012-08-23

Degradable perforation balls and associated methods of use in subterranean applications

#146
20120175119
2012-07-12

Method for servicing subterranean wells

#147
20120160519
2012-06-28

Triggered polymer viscous pill and methods of using the same

#148
20120043086
2012-02-23

Zero-leakoff emulsified acid

#149
20110088916
2011-04-21

Method for sealing an annular space in a wellbore

#150
20110079389
2011-04-07

Method for treating well bore within a subterranean formation

#151
20110053809
2011-03-03

Degradable non-aqueous gel systems

#152
20110048713
2011-03-03

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

#153
20110015301
2011-01-20

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

#154
20100314108
2010-12-16

Dual-function nano-sized particles

#155
20100307747
2010-12-09

Engineered fibers for well treatments

#156
20100263870
2010-10-21

METHODS OF CONTACTING AND/OR TREATING A SUBTERRANEAN FORMATION

#157
20100258310
2010-10-14

Compositions and methods for servicing subterranean wells

#158
20100200235
2010-08-12

Degradable perforation balls and associated methods of use in subterranean applications

#159
20100160187
2010-06-24

Methods and compositions for stabilizing unconsolidated particulates in a subterranean formation

#160
20100147507
2010-06-17

Polymer composition, swellable composition comprising the polymer composition, and articles including the swellable composition

#161
20100016183
2010-01-21

Sealant compositions and methods utilizing nano-particles

#162
20090114450
2009-05-07

Controlled variable density fluid for wellbore operations

#163
20090078419
2009-03-26

Methods and compositions relating to minimizing particulate migration over long intervals

#164
20090078418
2009-03-26

Methods and compositions relating to minimizing particulate migration over long intervals

#165
20080135251
2008-06-12

Compositions and applications of resins in treating subterranean formations

#166
20080000641
2008-01-03

Settable compositions free of portland cement and associated methods of use

#167
20070287767
2007-12-13

Non-aqueous gels for consolidating and stabilizing wellbore formations

#168
20070261854
2007-11-15

Methods for controlling particulate migration

#169
20070209794
2007-09-13

Coated plastic beads and methods of using same to treat a wellbore or subterranean formation

#170
20070111899
2007-05-17

Pre-engineered pills for the improvement of drilling muds

#171
20070044958
2007-03-01

Well operating elements comprising a soluble component and methods of use

#172
20060283592
2006-12-21

Method useful for controlling fluid loss in subterranean formations

#173
20060254826
2006-11-16

Drilling method

#174
20060148657
2006-07-06

Zeolite compositions having enhanced compressive strength

#175
20060137876
2006-06-29

Zeolite compositions having enhanced compressive strength

#176
20050284641
2005-12-29

Controlled variable density fluid for wellbore operations

#177
20050269086
2005-12-08

Methods for controlling particulate migration

#178
20050217851
2005-10-06

Method for stimulation of liquid flow in a well

#179
20050194190
2005-09-08

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

#180
20050194142
2005-09-08

Compositions and methods for controlling unconsolidated particulates

#181
20050080161
2005-04-14

Cementing fluid for enhancing the stability of a water sensitive, reactive subterranean formation

#182
20050079981
2005-04-14

Methods for mitigating the production of water from subterranean formations

#183
20050039920
2005-02-24

Method for enhancing the stability of a water sensitive, reactive subterranean formation