ClassID:

104343

C09K8/706 - 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 for forming crevices or fractures characterised by their form or by the form of their components, e.g. foams Encapsulated breakers

Recent Application in this class:
#1
20260015541
2026-01-15

Treating Flowback Emulsions

#2
20240166940
2024-05-23

INTERNAL BREAKERS ENCAPSULATED BY CALCIUM CARBONATE FORMED FROM SEQUESTERED CARBON DIOXIDE

#3
20230374373
2023-11-23

Method and composition to enhance the performance of encapsulated breakers

#4
20230227713
2023-07-20

MULTICOMPONENT NANOCAPSULES FOR ENHANCED OIL RECOVERY

#5
20230174849
2023-06-08

STRUCTURAL EXPANDABLE MATERIALS

#6
20220403227
2022-12-22

Multicomponent nanocapsules for enhanced oil recovery

#7
20220389305
2022-12-08

Use of controlled release acid system in treatment of wells

#8
20220259487
2022-08-18

COMPOSITIONS AND METHODS USING CHLORATE TO BREAK POLYACRYLAMIDE

#9
20220135871
2022-05-05

Method of mitigating frac hit production interference from adjacent oil wells using treatment fluids with nanoparticles

#10
20220090479
2022-03-24

Integrated coaxial perforating acidizing operation

#11
20220041922
2022-02-10

Methods for delaying in situ acid generation for acid delivery to a site

#12
20210348050
2021-11-11

Chemical Additives for Enhancing the Performance of Friction Reducer Solution and its Applications Thereof

#13
20210292638
2021-09-23

Breaker System for Emulsified Fluid System

#14
20210261856
2021-08-26

Degradation agent for viscous fluid and method for producing said degradation agent

#15
20210222056
2021-07-22

Delivery of Halogens to a Subterranean Formation

#16
20210189228
2021-06-24

LOW TEMPERATURE BREAKER FOR WELL TREATMENT FLUIDS CONTAINING POLYACRYLAMIDE

#17
20210148212
2021-05-20

TREATMENT SYSTEMS AND METHODS USING ENCAPSULATED CORROSIVE FLUIDS

#18
20210108130
2021-04-15

Chemical Additives for Enhancing the Performance of Friction Reducer Solution and Its Applications Thereof

#19
20210024814
2021-01-28

Oxidizers for carbon dioxide-based fracturing fluids

#20
20210024812
2021-01-28

Organic salts of oxidizing anions as energetic materials

#21
20210009891
2021-01-14

Enzyme-encapsulated hydrogel nanoparticles for hydraulic fracturing fluid cleanup

#22
20200377790
2020-12-03

Structural expandable materials

#23
20200317994
2020-10-08

Process of fracturing subterranean formations with water-soluble layered silicate

#24
20200277528
2020-09-03

Breaker systems for wellbore treatment operations for use at varying temperatures

#25
20200115609
2020-04-16

CONTROLLED BREAK ENZYME FORMULATIONS

#26
20200102491
2020-04-02

Enzymatic compositions for the degradation of polymers

#27
20200087571
2020-03-19

Excapsulation oxidizing breakers for downhole applications

#28
20190352560
2019-11-21

Mapping propped fractures in a well using encapsulated salt

#29
20190352559
2019-11-21

Forming proppant-free channels in a proppant pack

#30
20190330518
2019-10-31

CO-sensitive fracturing and displacement fluid and method of making the same and method for fracturing and displacement of tight oil reservoir

#31
20190309209
2019-10-10

Delayed breaker composition

#32
20190276732
2019-09-12

Distributing an amorphic degradable polymer in wellbore operations

#33
20190136113
2019-05-09

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

#34
20190127629
2019-05-02

Self-breakable treatment fluids for use in subterranean formation operations

#35
20190127628
2019-05-02

Nanotube mediation of degradative chemicals for oil-field application

#36
20190062620
2019-02-28

Method for time-controlled release of breakers by use of breakers encapsulated within membranes containing water soluble polymers

#37
20190040306
2019-02-07

Enhancing acid fracture conductivity

#38
20190031951
2019-01-31

Methods and materials for controlled release of desired chemistries

#39
20190016951
2019-01-17

Structural expandable materials

#40
20180363461
2018-12-20

Method of monitoring of hydraulic fracture closure stress with tracers (variants)

#41
20180355240
2018-12-13

Systems and methods for breaking friction reducers in-situ

#42
20180334614
2018-11-22

Enhancing acid fracture conductivity

#43
20180334613
2018-11-22

Enhancing acid fracture conductivity

#44
20180334612
2018-11-22

Enhancing acid fracture conductivity

#45
20180328147
2018-11-15

Fracturing fluids and methods of treating hydrocarbon formations

#46
20180306006
2018-10-25

Methods of using superabsorbent polymers for fracturing and sand control applications

#47
20180305609
2018-10-25

ENCAPSULATED ADDITIVES FOR USE IN SUBTERRANEAN FORMATION OPERATIONS

#48
20180208832
2018-07-26

Encapsulated agent, method of manufacturing encapsulated agent, and variable viscosity fluid

#49
20180208831
2018-07-26

ENCAPSULATED AGENT AND VARIABLE VISCOSITY FLUID

#50
20180163125
2018-06-14

Structural Expandable Materials

#51
20180127633
2018-05-10

MICROENCAPSULATED ENZYMES

#52
20180112123
2018-04-26

Compositions including modified release material for treatment of subterranean formations

#53
20180086972
2018-03-29

Multifunctional proppant for fracturing applications

#54
20180044577
2018-02-15

Forming proppant packs having proppant-free channels therein in subterranean formation fractures

#55
20180022986
2018-01-25

Amide branched aromatic gelling agent breakers

#56
20170349818
2017-12-07

METHODS OF ACTIVATING ENZYME BREAKERS

#57
20170349817
2017-12-07

Polymer with internal crosslinking and breaking mechanisms

#58
20170313931
2017-11-02

Breaker coated particulates for use in subterranean formation operations

#59
20170292063
2017-10-12

NANOTUBE MEDIATION OF DEGRADATIVE CHEMICALS FOR OIL-FIELD APPLICATIONS

#60
20170240803
2017-08-24

Composition Including Enzymatic Breaker and Activator for Treatment of Subterranean Formations

#61
20170204316
2017-07-20

CONTROLLED BREAK ENZYME FORMULATIONS

#62
20170183561
2017-06-29

Well treatment fluids comprising cross-linkable polysaccharides

#63
20170158950
2017-06-08

Controlled release granule with water resistant coating

#64
20170114272
2017-04-27

Scale Inhibitor and Methods of Using Scale Inhibitors

#65
20170002259
2017-01-05

Microbial viscosity breaker compositions

#66
20160362600
2016-12-15

DISINTEGRATING UNIT DOSE POD FOR WELL SERVICING FLUIDS

#67
20160362596
2016-12-15

Compositions and methods for filter cake removal

#68
20160340575
2016-11-24

Methods and compositions for providing proppant suspension and consolidation in subterranean treatment operations

#69
20160289549
2016-10-06

Fracturing fluids and methods of treating hydrocarbon formations

#70
20160289547
2016-10-06

Methods of using superabsorbent polymers for fracturing and sand control applications

#71
20160289542
2016-10-06

FRACTURING FLUIDS AND METHODS OF TREATING HYDROCARBON FORMATIONS

#72
20160289541
2016-10-06

Use of superabsorbent polymers for pressure control and diversion applications

#73
20160289530
2016-10-06

Drilling fluids with leakoff control and drill cuttings removal sweeps

#74
20160137912
2016-05-19

Structural expandable materials

#75
20160122625
2016-05-05

Hydrolyzable compounds for treatment of a subterranean formation and methods of using the same

#76
20160115377
2016-04-28

FLUID VISCOSITY CONTROL

#77
20160083644
2016-03-24

Fracturing or gravel-packing fluid with CMHEC in brine

#78
20150376494
2015-12-31

Multi-component materials for breaker activity control

#79
20150114648
2015-04-30

Parylene coated chemical entities for downhole treatment applications

#80
20150021023
2015-01-22

Encapsulated microenergetic material

#81
20150013984
2015-01-15

Fluid viscosity control

#82
20140364345
2014-12-11

Compositions, systems and methods of making coated additive components

#83
20140196897
2014-07-17

Oxidative internal breaker system with breaking activators for viscoelastic surfactant fluids

#84
20140190697
2014-07-10

Single component resin systems and methods relating thereto

#85
20140000897
2014-01-02

Fracturing fluids and methods for treating hydrocarbon-bearing formations

#86
20130345099
2013-12-26

Nano-encapsulated triggered-release viscosity breaker

#87
20130255951
2013-10-03

Compositions, Systems and Methods for Releasing Additive Components

#88
20130165352
2013-06-27

Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation

#89
20130000915
2013-01-03

COMPOSITIONS AND PROCESSES FOR FRACTURING SUBTERRANEAN FORMATIONS

#90
20120325471
2012-12-27

ENCAPSULATED MATERIALS AND THEIR USE IN OIL AND GAS WELLS

#91
20120283154
2012-11-08

Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids

#92
20120189771
2012-07-26

On-the-fly coating of acid-releasing degradable material onto a particulate

#93
20120130030
2012-05-24

Polycarboxylic acid gelling agents

#94
20120125618
2012-05-24

Method for hydraulic fracturing of subterranean formation

#95
20120037368
2012-02-16

CONTROLLED RELEASE PROPPANT

#96
20110312858
2011-12-22

COMPOSITION AND METHODS FOR OILFIELD APPLICATION

#97
20110278008
2011-11-17

WELL TREATMENT FLUID COMPOSITIONS AND METHODS OF USE THAT INCLUDE A DELAYED RELEASE PERCARBONATE FORMULATION

#98
20110237465
2011-09-29

Release of Chemical Systems for Oilfield Applications by Stress Activation

#99
20110100629
2011-05-05

Methods of using hydrocarbon gelling agents as self-diverting scale inhibitors

#100
20110005969
2011-01-13

Compositions and processes for fracturing subterranean formations

#101
20100323929
2010-12-23

Methods for treating a well with a cross-linked water-soluble polymer-complexed metal cation network and an aromatic compound capable of forming a chelating agent to uncross-link the polymer

#102
20100307744
2010-12-09

Use of encapsulated chemical during fracturing

#103
20100267594
2010-10-21

Nano-encapsulated triggered-release viscosity breakers

#104
20100252264
2010-10-07

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

#105
20100248998
2010-09-30

Process for the production of a granule of a coated oxidizing compound such granule and uses of the granule

#106
20100234248
2010-09-16

Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids

#107
20100216672
2010-08-26

Treatment fluids comprising relative permeability modifiers and methods of use

#108
20100132948
2010-06-03

Delayed breaking of well treatment fluids

#109
20100056399
2010-03-04

Polyelectrolyte complexes for oil and gas applications

#110
20090188639
2009-07-30

Use of water-soluble polymer complexes in aqueous systems

#111
20090095472
2009-04-16

Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation

#112
20090088347
2009-04-02

Treatment fluid with non-symmetrical peroxide breaker and method

#113
20090044945
2009-02-19

Method for hydraulic fracturing of subterranean formation

#114
20080121395
2008-05-29

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

#115
20080070812
2008-03-20

Carbon dioxide foamed fluids

#116
20080070809
2008-03-20

Internal breaker for oilfield fluids

#117
20080070806
2008-03-20

Oxidative internal breaker system with breaking activators for viscoelastic surfactant fluids

#118
20080058229
2008-03-06

Polyelectrolyte complexes for oil and gas applications

#119
20070173417
2007-07-26

Porous composites containing hydrocarbon-soluble well treatment agents and methods for using the same

#120
20070123433
2007-05-31

Treatment fluids and methods using zeolite and a delayed release acid for treating a subterranean formation

#121
20070117723
2007-05-24

Bromine-based sulfamate stabilized breaker composition and process

#122
20070037713
2007-02-15

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

#123
20070034376
2007-02-15

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

#124
20060247136
2006-11-02

Viscosified treatment fluids comprising polycarboxylic acid gelling agents and associated methods

#125
20060234870
2006-10-19

Methods and compositions for delaying the release of treatment chemicals

#126
20060211775
2006-09-21

Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids

#127
20060162928
2006-07-27

Process for treating a formation

#128
20060148658
2006-07-06

Compositions for reducing the viscosity of treatment fluids

#129
20060144592
2006-07-06

Methods for reducing the viscosity of treatment fluids

#130
20060081369
2006-04-20

Divinyl sulfone crosslinking agents and methods of use in subterranean applications

#131
20060046938
2006-03-02

Methods and compositions for delinking crosslinked fluids

#132
20060002879
2006-01-05

Methods of treating keratin based substrates

#133
20050269101
2005-12-08

Methods of treating subterranean formations using low-molecular-weight fluids

#134
20050269100
2005-12-08

Methods of treating subterranean formations using low-molecular-weight fluids

#135
20050261138
2005-11-24

Viscosified treatment fluids comprising scleroglucan or diutan and associated methods

#136
20050205259
2005-09-22

Controlling chlorite or hypochlorite break rate of well treatment fluids using magnesium or calcium ions

#137
20050183837
2005-08-25

Use of water-soluble polymer complexes in aqueous systems

#138
20050178546
2005-08-18

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

#139
20050124500
2005-06-09

Carbon dioxide foamed fluids

#140
20050039919
2005-02-24

Methods of fracturing high temperature subterranean zones and foamed fracturing fluids therefor

#141
20050034865
2005-02-17

Compositions and methods for degrading filter cake

#142
20050034861
2005-02-17

On-the fly coating of acid-releasing degradable material onto a particulate

#143
20050028976
2005-02-10

Compositions and methods for controlling the release of chemicals placed on particulates

#144
20050006093
2005-01-13

Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures

#145
18112895
2024-05-14

Temporary isolation system for reservoirs

#146
15595108
2018-10-16

Enhancing acid fracture conductivity