Patents-Review.com
ClassID:

104357 ⎘

C09K8/885 - 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 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Recent Application in this class:
#1
20260002072
2026-01-01

TIME DEPENDENT TRACER RELEASE IN STIMULATED GAS WELLS USING COMPOSITE PARTICLES MADE OF THERMOPLASTIC POLYESTER AND POLYAMIDE BLENDS OF VARIOUS RATIOS

 #2
20250376618
2025-12-11

COMPOSITIONS FOR ENHANCING VISCOSITY OF SUBTERRANEAN FLUIDS UTILIZING CHELATING AGENTS

 #3
20250376616
2025-12-11

METHOD AND COMPOSITIONS FOR DRAG REDUCER IN DOWNHOLE APPLICATIONS

 #4
20250333642
2025-10-30

TRACER RELEASE IN STIMULATED GAS WELLS USING PARTIALLY DEGRADABLE THERMOPLASTIC POLYAMIDE PARTICULATES

 #5
20250236788
2025-07-24

TRACER COMPOSITIONS

 #6
20250129690
2025-04-24

Methods of hydrolyzing nitrogen-containing waste plastics downgole to form a solid barrier

 #7
20250084300
2025-03-13

RADIATION ACTIVATED WELL TREATMENT

 #8
20240247184
2024-07-25

PARTICLES FOR CARRIERS AND TRACERS

 #9
20240191129
2024-06-13

WATER-BASED FRICTION-REDUCING SLURRY COMPOSITIONS, FORMATION TREATING FLUIDS THEREFROM, AND METHOD FOR MAKING AND USING SAME

 #10
20240141225
2024-05-02

Polyester diverting agents for low-temperature oil wells

 #11
20240084192
2024-03-14

FLOWBACK AID FOR FRACTURING FLUIDS

 #12
20230416600
2023-12-28

Diverting materials for well stimulation

 #13
20230313025
2023-10-05

Superheated phase changing nanodroplets for hydrocarbon reservoir applications

 #14
20230203227
2023-06-29

Supramolecular star-shaped polymer with beta-CD as core and preparation method

 #15
20230065802
2023-03-02

Particles for carriers and tracers

 #16
20220282149
2022-09-08

METHODS AND COMPOSITIONS OF DISPERSIBLE FERROELECTRIC NANOPARTICLES, AND USES THEREOF

 #17
20220275270
2022-09-01

Coated proppants

 #18
20220251441
2022-08-11

Polyester diverting agents for low-temperature oil wells

 #19
20220162383
2022-05-26

Silane-Functionalized Polyalkyleneimine Clay Stabilizer for Treatment of Subterranean Formations

 #20
20220041917
2022-02-10

Polymer dispersions for wax inhibition during stimulation treatment

 #21
20220017816
2022-01-20

Controlling the formation of polymer-metal complexes in wellbore operations

 #22
20210284901
2021-09-16

Composition and Method for Breaking Friction Reducing Polymer for Well Fluids

 #23
20210246353
2021-08-12

Thermoassociative polymers in subterranean treatment fluids

 #24
20210222054
2021-07-22

Fracturing fluid compositions and methods for making and using same

 #25
20210214604
2021-07-15

Compositions and methods for cross-linking hydratable polymers using produced water

 #26
20210189227
2021-06-24

PICKERING EMULSIONS USED IN WELLBORE SERVICING FLUIDS AND METHODS

 #27
20210171826
2021-06-10

CONVERTING INVERT EMULSIONS TO EMULSIONS USING POLYVALENT SALTS OF POLYMERIC WEAK ACIDS

 #28
20210171825
2021-06-10

Cavitation of polymer-containing fluids for use in subterranean formations

 #29
20210155846
2021-05-27

Multifunctional friction reducers

 #30
20210147741
2021-05-20

Emulsions, treatment fluids and methods for treating subterranean formations

 #31
20210062072
2021-03-04

High temperature treatment fluids with nano-crosslinkers

 #32
20200399530
2020-12-24

Aqueous delayed acid system for well stimulation

 #33
20200347155
2020-11-05

PROCESS FOR PRODUCING HYDROPHOBICALLY ASSOCIATING POLYACRYLAMIDES

 #34
20200325387
2020-10-15

HIGH TEMPERATURE FRACTURING FLUIDS WITH NANO-CROSSLINKERS

 #35
20200299560
2020-09-24

Treatment methods using aqueous fluids containing oil-soluble treatment agents

 #36
20200216749
2020-07-09

Siloxane surfactant additives for oil and gas applications

 #37
20200071605
2020-03-05

Polyvinyl alcohol based diverting agents

 #38
20200048541
2020-02-13

Methods for controlling conductive aggregates

 #39
20200048538
2020-02-13

Method for a fracturing fluid system at high temperatures

 #40
20190330522
2019-10-31

Method for reducing the permeability of a subterranean formation to aqueous-based fluids

 #41
20190276732
2019-09-12

Distributing an amorphic degradable polymer in wellbore operations

 #42
20190256765
2019-08-22

Method for a fracturing fluid system at high temperatures

 #43
20190218451
2019-07-18

High temperature fracturing fluids with nano-crosslinkers

 #44
20190218450
2019-07-18

High temperature fracturing fluids with nano-crosslinkers

 #45
20190144742
2019-05-16

Friction reducers and well treatment fluids

 #46
20190112522
2019-04-18

Aqueous-based epoxy resin microemulsion

 #47
20190100692
2019-04-04

Compositions and methods for cross-linking hydratable polymers using produced water

 #48
20190010383
2019-01-10

SELF-DEGRADABLE DIVERTERS FOR PROPPED FRACTURE ACIDIZING

 #49
20180362837
2018-12-20

Terpolymer compositions

 #50
20180347332
2018-12-06

Method of Enhancing Fracture Complexity Using Far-Field Divert Systems

 #51
20180312745
2018-11-01

Compositions for enhanced oil recovery

 #52
20180282616
2018-10-04

AQUEOUS DOWNHOLE FLUIDS HAVING POLYMERS AND CHARGED NANOPARTICLES

 #53
20180265635
2018-09-20

Silane-functionalized polyalkyleneimine clay stabilizer for treatment of subterranean formations

 #54
20180258344
2018-09-13

Subterranean stimulation operations utilizing degradable pre-coated particulates

 #55
20180258335
2018-09-13

ENVIRONMENTALLY FRIENDLY, NON-CLAY, AQUEOUS-BASED, BORATE CROSS-LINKER SLURRIES USING BORON-CONTAINING MINERALS

 #56
20180230362
2018-08-16

Formation Stabilizing Fracturing Fluid and Method of Use

 #57
20180223174
2018-08-09

Method for a fracturing fluid system at high temperatures

 #58
20180127643
2018-05-10

Forming proppant-free channels in propped vertically oriented fractures

 #59
20180086971
2018-03-29

High temperature fracturing fluids with nano-crosslinkers

 #60
20180044572
2018-02-15

Flowback aid for fracturing fluids

 #61
20170362487
2017-12-21

Emulsions, treatment fluids and methods for treating subterranean formations

 #62
20170362486
2017-12-21

Biopolymer composite for water-based treatment fluids

 #63
20170335177
2017-11-23

PROPPANT MATERIALS FOR ADDITIVE DELIVERY

 #64
20170321112
2017-11-09

Fractures treatment

 #65
20170253703
2017-09-07

Powder comprising hydrolyzable resin particles

 #66
20170137699
2017-05-18

Method for a fracturing fluid system at high temperatures

 #67
20170088770
2017-03-30

Friction reducers and well treatment fluids

 #68
20170081585
2017-03-23

Method of Diversion and Zonal Isolation in a Subterranean Formation Using a Biodegradable Polymer

 #69
20170051599
2017-02-23

Method of enhancing fracture complexity using far-field divert systems

 #70
20170037306
2017-02-09

TREATMENT FLUID

 #71
20170037305
2017-02-09

Treatment fluid

 #72
20170015898
2017-01-19

Environmentally preferable microemulsion composition

 #73
20170009124
2017-01-12

Stabilizing formation laminae in coal seam wellbores

 #74
20170002135
2017-01-05

POLYOXALATES AND A PROCESS FOR THE PRODUCTION THEREOF

 #75
20160376496
2016-12-29

Proppant

 #76
20160340571
2016-11-24

Compositions and Methods for Hydrophobically Modifying Fracture Faces

 #77
20160319183
2016-11-03

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

 #78
20160319177
2016-11-03

Dispersion solution for drilling and method of extraction using the dispersion solution

 #79
20160312106
2016-10-27

Siloxane surfactant additives for oil and gas applications

 #80
20160304773
2016-10-20

Wellbore servicing methods and compositions comprising degradable polymers

 #81
20160304769
2016-10-20

Terpolymer compositions

 #82
20160289526
2016-10-06

TREATMENT OF SUBTERRANEAN FORMATIONS WITH COMPOSITIONS INCLUDING POLYETHER-FUNCTIONALIZED POLYSILOXANES

 #83
20160264851
2016-09-15

Aqueous Dispersion and Additives for Fracturing Work

 #84
20160251568
2016-09-01

COMPOSITIONS FOR ENHANCED OIL RECOVERY

 #85
20160168449
2016-06-16

High temperature fracturing fluids with nano-crosslinkers

 #86
20160160118
2016-06-09

Fracturing fluid for prevention of shale fracture hydration during well stimulation by hydraulic fracturing

 #87
20160153274
2016-06-02

Fracturing fluid for subterranean formations

 #88
20160137913
2016-05-19

Self-suspending proppants for hydraulic fracturing

 #89
20160137907
2016-05-19

Wellbore servicing materials and methods of making and using same

 #90
20160115374
2016-04-28

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

 #91
20160115373
2016-04-28

Method for Improving Guar Hydration

 #92
20160108306
2016-04-21

Latent curing agent compatible with low pH frac fluids

 #93
20160068738
2016-03-10

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

 #94
20160009985
2016-01-14

Promoters for peroxides in aqueous treatment fluids

 #95
20150129231
2015-05-14

Method of treating produced or flowback water with nucleophilic agent to deactivate breaker

 #96
20150129226
2015-05-14

Thickening of fluids

 #97
20150087560
2015-03-26

Polyglycolic acid resin short fibers for use in well treatment fluid

 #98
20150060072
2015-03-05

METHODS OF TREATMENT OF A SUBTERRANEAN FORMATION WITH COMPOSITE POLYMERIC STRUCTURES FORMED IN SITU

 #99
20150053404
2015-02-26

Siloxane surfactant additives for oil and gas applications

 #100
20150027702
2015-01-29

Methods of treatment of a subterranean formation with polymeric structures formed in situ

 #101
20140364344
2014-12-11

Hydration system for hydrating an additive and method

 #102
20140357535
2014-12-04

Wellbore servicing compositions and methods of making and using same

 #103
20140041877
2014-02-13

Well treatment fluids containing an ylide or a vitamin B and methods of using the same

 #104
20120149609
2012-06-14

Polyepihalohydrin reverse emulsion breakers

 #105
20110174492
2011-07-21

Surfactants and friction reducing polymers for the reduction of water blocks and gas condensates and associated methods

 #106
20110136704
2011-06-09

Methods of Treating a Hydrocarbon-Bearing Formation, a Well Bore, and Particles

 #107
20110011136
2011-01-20

WASHING SYSTEM

 #108
20100288498
2010-11-18

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

 #109
20090197779
2009-08-06

METHOD FOR ENHANCED RECOVERY OF OIL FROM OIL RESERVOIRS

 #110
20090120642
2009-05-14

Methods to enhance gas production following a relative-permeability-modifier treatment

 #111
20090023618
2009-01-22

Method for recovering crude oil from a subterranean formation utilizing a polyphosphate ester

 #112
20080176771
2008-07-24

Compositions for increasing gas production from a subterranean formation

 #113
20080173451
2008-07-24

Methods for increasing gas production from a subterranean formation

 #114
20080113882
2008-05-15

Sandstone having a modified wettability and a method for modifying the surface energy of sandstone

 #115
20080085844
2008-04-10

METHOD AND COMPOSITION FOR RECOVERING HYDROCARBON FLUIDS FROM A SUBTERRANEAN RESERVOIR

 #116
20070197401
2007-08-23

SANDSTONE HAVING A MODIFIED WETTABILITY AND A METHOD FOR MODIFYING THE SURFACE ENERGY OF SANDSTONE

 #117
20060189488
2006-08-24

Method and composition for recovering hydrocarbon fluids from a subterranean reservoir

 #118
20050065036
2005-03-24

Method and composition for recovering hydrocarbon fluids from a subterranean reservoir

 #119
17708672
2023-07-25

Superheated phase changing nanodroplets for hydrocarbon reservoir applications

 #120
14483068
2015-07-07

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