Patents-Review.com
ClassID:

104992 ⎘

C09K2208/24 - CPC Classification

Classification description:

Aspects relating to compositions of drilling or well treatment fluids Bacteria or enzyme containing gel breakers

Recent Application in this class:
#1
20260062604
2026-03-05

INFUSED AND COATED PROPPANT CONTAINING CHEMICAL TREATMENT AGENTS AND METHODS OF USING SAME

 #2
20260035611
2026-02-05

MICROMESH PROPPANT WITH A TEMPORARY STRUCTURAL STATE FOR ENHANCED HYDRAULIC FRACTURING

 #3
20260008953
2026-01-08

BIO-TAR MITIGATION IN AQUIFER OR WATER INJECTORS WELLS

 #4
20250388630
2025-12-25

FUSION PROTEINS, RECOMBINANT BACTERIA, AND METHODS FOR USING RECOMBINANT BACTERIA

 #5
20250320404
2025-10-16

METHODS FOR STABILIZING SUBTERRANEAN FORMATIONS

 #6
20250305399
2025-10-02

FORMATE SLICKWATER FLUIDS AND METHODS FOR USE THEREOF FOR CARBON STORAGE IN CONJUNCTION WITH A STIMULATION OPERATION

 #7
20250171681
2025-05-29

GLYCOSYL HYDROLASE ENZYMES IN HIGH TEMPERATURE INDUSTRIAL PROCESSES

 #8
20250122420
2025-04-17

BIO-TAR MITIGATION IN AQUIFER OR WATER INJECTORS WELLS

 #9
20250043671
2025-02-06

Method for Generating Self-Propped Hydraulic Fractures

 #10
20240199709
2024-06-20

FUSION PROTEINS, RECOMBINANT BACTERIA, AND METHODS FOR USING RECOMBINANT BACTERIA

 #11
20240182772
2024-06-06

LIGNIN-BASED COMPOSITIONS AND RELATED METHODS

 #12
20230399562
2023-12-14

Infused and coated proppant containing chemical treatment agents and methods of using same

 #13
20230392065
2023-12-07

Monovalent brine-based reservoir drilling fluid

 #14
20230313657
2023-10-05

Method for generating self-propped hydraulic fractures

 #15
20230183559
2023-06-15

Glycosyl hydrolase enzymes in high temperature industrial processes

 #16
20220251440
2022-08-11

CROSS-LINKED ACRYLAMIDE POLYMER OR COPOLYMER GEL AND BREAKER COMPOSITIONS AND METHODS OF USE

 #17
20220220355
2022-07-14

Embedded treatment fluid additives for use in subterranean formation operations

 #18
20220204836
2022-06-30

Friction reducers, fracturing fluid compositions and uses thereof

 #19
20220162383
2022-05-26

Silane-Functionalized Polyalkyleneimine Clay Stabilizer for Treatment of Subterranean Formations

 #20
20220073813
2022-03-10

Infused and coated proppant containing chemical treatment agents and methods of using same

 #21
20210396098
2021-12-23

Injectivity and production improvement in oil and gas fields

 #22
20210253941
2021-08-19

BREAKABLE POLYMERS FOR THE ASSISTED RECOVERY OF HYDROCARBONS

 #23
20210198554
2021-07-01

Materials and methods for reducing viscosity of oil

 #24
20210179672
2021-06-17

Fusion proteins, recombinant bacteria, and methods for using recombinant bacteria

 #25
20210163811
2021-06-03

Foamed gel treatment fluids and methods of use

 #26
20210095185
2021-04-01

Compositions and methods for microbial enhanced digestion of polymers in fracking wells

 #27
20210071498
2021-03-11

RESERVOIR TREATMENTS

 #28
20210009891
2021-01-14

Enzyme-encapsulated hydrogel nanoparticles for hydraulic fracturing fluid cleanup

 #29
20200362223
2020-11-19

Compatibilized resin-cement composite compositions

 #30
20200317994
2020-10-08

Process of fracturing subterranean formations with water-soluble layered silicate

 #31
20200299568
2020-09-24

Controlled disintegration of passage restriction

 #32
20200283671
2020-09-10

Drilling fluid composition including viscosifier and method of using the same

 #33
20200277528
2020-09-03

Breaker systems for wellbore treatment operations for use at varying temperatures

 #34
20200190149
2020-06-18

Fusion proteins, recombinant bacteria, and methods for using recombinant bacteria

 #35
20200172790
2020-06-04

Removal of barite weighted mud

 #36
20200149382
2020-05-14

In-line treatment cartridge and methods of using same

 #37
20200140744
2020-05-07

STIMULATING WELLS USING CO2, WATER BLOCK REMOVING AGENTS, AND/OR BREAKERS TO IMPROVE WELL PRODUCTION

 #38
20200131432
2020-04-30

Method of removing oil-based barite filter cake

 #39
20200102491
2020-04-02

Enzymatic compositions for the degradation of polymers

 #40
20200071603
2020-03-05

Composition and methods for microbial enhanced digestion of polymers in fracking wells

 #41
20200063025
2020-02-27

Methods and compositions for use of proppant surface chemistry and internal porosity to consolidate proppant particulates

 #42
20200032128
2020-01-30

Materials and methods for reducing viscosity of oil

 #43
20200032123
2020-01-30

Foamed gel treatment fluids and methods of use

 #44
20190376052
2019-12-12

GLUCANASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM

 #45
20190360298
2019-11-28

Reservoir treatments

 #46
20190316107
2019-10-17

POLYPEPTIDES HAVING XANTHAN DEGRADING ACTIVITY AND POLYNUCLEOTIDES ENCODING SAME

 #47
20190249071
2019-08-15

Method for improving production of a well bore

 #48
20190249065
2019-08-15

Embedded treatment fluid additives for use in subterranean formation operations

 #49
20190127629
2019-05-02

Self-breakable treatment fluids for use in subterranean formation operations

 #50
20190127628
2019-05-02

Nanotube mediation of degradative chemicals for oil-field application

 #51
20190093007
2019-03-28

Methods and compositions for treating a subterranean formation with a polymeric additive composite

 #52
20190093005
2019-03-28

High Temperature Crosslinked Fracturing Fluids

 #53
20190093004
2019-03-28

Glycosyl hydrolase enzymes in high temperature industrial processes

 #54
20190048252
2019-02-14

Borate Crosslinked Fracturing Fluids

 #55
20190016947
2019-01-17

Composition and method for removing oil-based filter cake

 #56
20190016946
2019-01-17

High temperature crosslinked fracturing fluids

 #57
20190002857
2019-01-03

GENES ENCODING CELLULASE

 #58
20190002757
2019-01-03

Rheology modifier

 #59
20180362836
2018-12-20

Compositions including a viscosifying non-ionic associative polymer for treatment of subterranean formations

 #60
20180362830
2018-12-20

Clean gravel pack fluid composition and method for sand control applications

 #61
20180355240
2018-12-13

Systems and methods for breaking friction reducers in-situ

 #62
20180346898
2018-12-06

Mannanase variants

 #63
20180312744
2018-11-01

GENES ENCODING CELLULASE FOR HYDROLYZING GUAR FRACTURING FLUIDS UNDER EXTREME WELL CONDITIONS

 #64
20180265761
2018-09-20

Constitutionally dynamic polymer for treatment of subterranean formations

 #65
20180265635
2018-09-20

Silane-functionalized polyalkyleneimine clay stabilizer for treatment of subterranean formations

 #66
20180258342
2018-09-13

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

 #67
20180252086
2018-09-06

Proppant and a viscosified fracture fluid for use in fracturing to extract oil and gas

 #68
20180244979
2018-08-30

Removal of barite weighted mud

 #69
20180244977
2018-08-30

Diverter fluid diverter fluid

 #70
20180238160
2018-08-23

Enhancing complex fracture networks in subterranean formations

 #71
20180237688
2018-08-23

Infused and coated proppant containing chemical treatment agents and methods of using same

 #72
20180215988
2018-08-02

Compatibilized resin-cement composite compositions

 #73
20180201820
2018-07-19

Monovalent brine-based reservoir drilling fluid

 #74
20180171315
2018-06-21

POLYPEPTIDES HAVING XANTHAN DEGRADING ACTIVITY AND POLYNUCLEOTIDES ENCODING SAME

 #75
20180163120
2018-06-14

Reservoir treatments

 #76
20180127633
2018-05-10

MICROENCAPSULATED ENZYMES

 #77
20180112123
2018-04-26

Compositions including modified release material for treatment of subterranean formations

 #78
20180099999
2018-04-12

Fusion proteins, recombinant bacteria, and methods for using recombinant bacteria

 #79
20180030333
2018-02-01

Fracture having a bottom portion of reduced permeability and a top portion having a higher permeability

 #80
20170349818
2017-12-07

METHODS OF ACTIVATING ENZYME BREAKERS

 #81
20170335176
2017-11-23

Method of enhancing conductivity from post frac channel formation

 #82
20170335166
2017-11-23

Methods of designing an invert emulsion fluid having high associative stability

 #83
20170313931
2017-11-02

Breaker coated particulates for use in subterranean formation operations

 #84
20170292063
2017-10-12

NANOTUBE MEDIATION OF DEGRADATIVE CHEMICALS FOR OIL-FIELD APPLICATIONS

 #85
20170267916
2017-09-21

CHEMICAL SUSPENSIONS FOR PRECISE CONTROL OF HYDROCARBON RESERVOIR TREATMENT FLUIDS

 #86
20170253790
2017-09-07

Composition including a viscosifier and a hydrophobically-modified polymer that includes a nitrogen-containing repeating unit for treatment of subterranean formations

 #87
20170240803
2017-08-24

Composition Including Enzymatic Breaker and Activator for Treatment of Subterranean Formations

 #88
20170233641
2017-08-17

Polymeric metal crosslinker for shear tolerant fracturing fluid application

 #89
20170218261
2017-08-03

Selective acidizing of a subterranean formation

 #90
20170210966
2017-07-27

Clay stabilizing and methods of use with quaternary ammonium salts

 #91
20170204318
2017-07-20

Modified hydroxyethyl cellulosic polymers for improved well bore fluids and related uses

 #92
20170204316
2017-07-20

CONTROLLED BREAK ENZYME FORMULATIONS

 #93
20170198214
2017-07-13

Methods and compositions for use of proppant surface chemistry and internal porosity to consolidate proppant particulates

 #94
20170198208
2017-07-13

Crosslinkable proppant particulates for use in subterranean formation operations

 #95
20170198190
2017-07-13

Diverter composition including rheologically-modified invert emulsion and method of use

 #96
20170190951
2017-07-06

Removal of barite weighted mud

 #97
20170175096
2017-06-22

Polypeptides Having Endoglucanase Activity

 #98
20170175047
2017-06-22

Polypeptides Having Endoglucanase Activity

 #99
20170158951
2017-06-08

High temperature crosslinked fracturing fluids

 #100
20170145289
2017-05-25

Barite filter cake removing composition and method

 #101
20170145282
2017-05-25

Clay stabilizers

 #102
20170137700
2017-05-18

Low residue, high salinity fracturing fluids

 #103
20170114272
2017-04-27

Scale Inhibitor and Methods of Using Scale Inhibitors

 #104
20170114271
2017-04-27

Subterranean well production saltwater evaporation station with saltwater recycle

 #105
20170101575
2017-04-13

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

 #106
20170073573
2017-03-16

Fracturing fluid containing a viscosifying agent and curable resin additive

 #107
20170073571
2017-03-16

Methods and systems for controllably generating heat and/or nitrogen gas in subterranean and pipeline operations

 #108
20170037302
2017-02-09

High temperature fracturing fluids with nanoparticles

 #109
20160376494
2016-12-29

Cross-linked acrylamide polymer or copolymer gel and breaker compositions and methods of use

 #110
20160376491
2016-12-29

Filter cake removal composition for drilling fluids and method of use thereof

 #111
20160362600
2016-12-15

DISINTEGRATING UNIT DOSE POD FOR WELL SERVICING FLUIDS

 #112
20160347985
2016-12-01

FLUIDS AND METHODS FOR TREATING HYDROCARBON-BEARING FORMATIONS

 #113
20160340575
2016-11-24

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

 #114
20160319186
2016-11-03

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

 #115
20160312110
2016-10-27

Fracturing fluid

 #116
20160289544
2016-10-06

Method for treating a subterranean formation

 #117
20160289526
2016-10-06

TREATMENT OF SUBTERRANEAN FORMATIONS WITH COMPOSITIONS INCLUDING POLYETHER-FUNCTIONALIZED POLYSILOXANES

 #118
20160280990
2016-09-29

Methods and compositions for use of proppant surface chemistry and internal porosity to consolidate proppant particulates

 #119
20160272871
2016-09-22

Subterranean treatment with compositions including hexaaquaaluminum trihalide

 #120
20160272869
2016-09-22

Treatment fluids and uses thereof

 #121
20160257877
2016-09-08

Viscosified treatment fluids comprising polyol derivatized cellulose and methods relating thereto

 #122
20160251564
2016-09-01

Viscosifier for enhanced oil recovery

 #123
20160230076
2016-08-11

Freeze/thaw stable latex emulsion for treatment of well bore tar

 #124
20160230068
2016-08-11

ANIONIC POLYSACCHARIDE POLYMERS FOR VISCOSIFIED FLUIDS

 #125
20160230065
2016-08-11

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

 #126
20160194553
2016-07-07

Well Treatment Solid Chemical

 #127
20160194552
2016-07-07

High-salt gelling compositions and methods for well treatment

 #128
20160168455
2016-06-16

Fracturing or gravel-packing fluid with CMHEC in brine

 #129
20160168444
2016-06-16

Methods of designing an invert emulsion fluid having high associative stability

 #130
20160137913
2016-05-19

Self-suspending proppants for hydraulic fracturing

 #131
20160122625
2016-05-05

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

 #132
20160122613
2016-05-05

Drilling fluid composition including viscosifier and method of using the same

 #133
20160108096
2016-04-21

Fusion proteins, recombinant bacteria, and methods for using recombinant bacteria

 #134
20160083644
2016-03-24

Fracturing or gravel-packing fluid with CMHEC in brine

 #135
20160075941
2016-03-17

Infused and coated proppant containing chemical treatment agents and methods of using same

 #136
20160060508
2016-03-03

Method of using viscosified fracture fluid to improve flow of liquids and gases from a subterranean fracture

 #137
20150376494
2015-12-31

Multi-component materials for breaker activity control

 #138
20150307769
2015-10-29

Permeability of subterranean reservoirs using acid diversion

 #139
20150300131
2015-10-22

Self-degradable hydraulic diversion systems and methods for making and using same

 #140
20150148267
2015-05-28

Glycosyl hydrolase enzymes in high temperature industrial processes

 #141
20150087029
2015-03-26

GENES ENCODING CELLULASE FOR HYDROLYZING GUAR FRACTURING FLUIDS UNDER EXTREME WELL CONDITIONS

 #142
20150072397
2015-03-12

Gene encoding cellulase

 #143
20150000910
2015-01-01

Methods for improved proppant suspension in high salinity, low viscosity subterranean treatment fluids

 #144
20140295523
2014-10-02

Glucanases, nucleic acids encoding them and methods for making and using them

 #145
20140251610
2014-09-11

Method of enhancing fracture conductivity

 #146
20140138087
2014-05-22

Method of re-fracturing using borated galactomannan gum

 #147
20140121136
2014-05-01

Methods of activating enzyme breakers

 #148
20140000890
2014-01-02

Fracturing fluids and methods for treating hydrocarbon-bearing formations

 #149
20130312969
2013-11-28

Use of hexose oxidases to create hydrogen peroxide in aqueous well treatment fluids

 #150
20130137610
2013-05-30

Dual-functional breaker for hybrid fluids of viscoelastic surfactant and polymer

 #151
20130112413
2013-05-09

Controlled release breaker composition for oil field applications

 #152
20120318515
2012-12-20

Method of inhibiting or controlling release of well treatment agent

 #153
20120285685
2012-11-15

Method of using asparaginase as a polyacrylamide enzyme breaker

 #154
20120267101
2012-10-25

Application of degradable polymers in sand control

 #155
20120264655
2012-10-18

THERMO-RESPONSIVE HYDROGELS AND THERMO-RESPONSIVE POLYMER SOLUTIONS

 #156
20120247774
2012-10-04

Slow release breaker treatment fluids and their associated methods of use

 #157
20120241153
2012-09-27

Method of enhancing fracture conductivity

 #158
20120227971
2012-09-13

Sulfates and phosphates as allosteric effectors in mannanohydrolase enzyme breakers

 #159
20120111568
2012-05-10

Method of fracturing using alkaliphile derived enzyme breaker

 #160
20120055670
2012-03-08

Method of fracturing using mannanohydrolase enzyme breaker

 #161
20120031618
2012-02-09

Method of using hexose oxidases to create hydrogen peroxide in aqueous well treatment fluids

 #162
20110220363
2011-09-15

Method of enhancing productivity of a formation with unhydrated borated galactomannan gum

 #163
20110214862
2011-09-08

PARTICULATE BRIDGING AGENTS USED FOR FORMING AND BREAKING FILTERCAKES ON WELLBORES

 #164
20110117067
2011-05-19

Glucanases, Nucleic Acids Encoding Them and Methods for Making and Using Them

 #165
20110061870
2011-03-17

High density breaker fluids and methods of use thereof

 #166
20110059883
2011-03-10

Methods to Improve the Compatibility and Efficiency of Powdered Versions of Microfibrous Cellulose

 #167
20110030952
2011-02-10

Methods of gravel packing long interval wells

 #168
20100314113
2010-12-16

Dual-functional breaker for hybrid fluids of viscoelastic surfactant and polymer

 #169
20100261622
2010-10-14

Methods and compositions for fracturing subterranean formations

 #170
20100216672
2010-08-26

Treatment fluids comprising relative permeability modifiers and methods of use

 #171
20100126726
2010-05-27

Alkaline β-mannanase containing compositions useful for the hydrolysis of guar in high pH environments and methods related thereto

 #172
20100089580
2010-04-15

Method of enhancing fracture conductivity

 #173
20100056399
2010-03-04

Polyelectrolyte complexes for oil and gas applications

 #174
20100044048
2010-02-25

Non-toxic, green fracturing fluid compositions, methods of preparation and methods of use

 #175
20100018710
2010-01-28

FRACTURING FLUID COMPOSITIONS, METHODS OF PREPARATION AND METHODS OF USE

 #176
20080202744
2008-08-28

Methods and compositions for fracturing subterranean formations

 #177
20080115932
2008-05-22

Method and apparatus for delayed flow or pressure change in wells

 #178
20080058229
2008-03-06

Polyelectrolyte complexes for oil and gas applications

 #179
20080015120
2008-01-17

Application of degradable polymers in sand control

 #180
20070225175
2007-09-27

Application of degradable polymers in well fluids

 #181
20060281167
2006-12-14

Bacteria-based and enzyme-based mechanisms and products for viscosity reduction breaking of viscoelastic fluids

 #182
20060096757
2006-05-11

Method of treating an oil or gas well with biodegradable low toxicity fluid system

 #183
20050072046
2005-04-07

Biodegradable mulching-mat for preventing weeds and method for manufacturing the mat