ClassID:

104305

C09K8/518 - 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 characterised by their form or by the form of their components, e.g. encapsulated material Foams

Recent Application in this class:
#1
20250388801
2025-12-25

FURFURYL ALCOHOL MONOMER CONSOLIDATION TREATMENT

#2
20250236782
2025-07-24

INNER SPACER FOR SEMICONDUCTOR DEVICE

#3
20250198245
2025-06-19

SYSTEMS AND METHODS USING EXPANDABLE GROUT FOR IMPROVED LOST CIRCULATION CONTROL

#4
20250188338
2025-06-12

FOAM FORMULATION AND ITS USE IN TEMPORARY PIPE PLUGGING

#5
20250059837
2025-02-20

Encapsulated lost circulation materials based on shape-memory polymer foam

#6
20240384155
2024-11-21

Coupling agent to enhanced coupling of optical fibers deployed in subsurface wells

#7
20240318063
2024-09-26

Methods and compositions for carbon dioxide-foamed lost circulation materials

#8
20240318062
2024-09-26

METHODS AND COMPOSITIONS FOR NITROGEN-FOAMED LOST CIRCULATION MATERIALS

#9
20240294820
2024-09-05

Loss circulation material

#10
20230416594
2023-12-28

Elastomer alloy for intelligent sand management

#11
20230392068
2023-12-07

Sand consolidation using asphaltene/tar with solvents and adsorption system

#12
20230235211
2023-07-27

Selective and on-demand near wellbore formation permeability improvement with in-situ cavitation of nanobubbles

#13
20230212450
2023-07-06

In-situ foam generation for water shutoff

#14
20230203363
2023-06-29

Methods of treating lost circulation zones

#15
20230108336
2023-04-06

Foam formulation and its use in temporary pipe plugging

#16
20220177769
2022-06-09

Filter plug to prevent proppant flowback

#17
20220002612
2022-01-06

Method of improving wellbore integrity and loss control

#18
20210324258
2021-10-21

Protection of Structures with Subterranean Injection of Lignocellulosic Solids

#19
20210246356
2021-08-12

Insulating fluids containing porous media

#20
20210163811
2021-06-03

Foamed gel treatment fluids and methods of use

#21
20210163809
2021-06-03

Foamed treatment fluids for lost circulation control

#22
20210130678
2021-05-06

Compositions useful for diverting or stopping fluids in subterranean operations

#23
20210108123
2021-04-15

Compressed lost circulation materials

#24
20210062613
2021-03-04

Methods for improving oil recovery within a subterranean formation

#25
20210047558
2021-02-18

Defoaming composition comprising a tall-oil-derived surfactant

#26
20200354622
2020-11-12

Method of improving wellbore integrity and loss control

#27
20200270507
2020-08-27

Foamed treatment fluids for lost circulation control

#28
20200172791
2020-06-04

Multifunctional foaming composition with wettability modifying, corrosion inhibitory and mineral scale inhibitory/dispersants properties for high temperature and ultra high salinity

#29
20200157406
2020-05-21

Ultra-dry three-phase flue gas foam for oil-gas fields and preparation method thereof

#30
20200063523
2020-02-27

Polyurethane Foamed Annular Chemical Packer

#31
20200063522
2020-02-27

Polyurethane foamed annular chemical packer

#32
20200032123
2020-01-30

Foamed gel treatment fluids and methods of use

#33
20190353021
2019-11-21

FRACTURING A FORMATION WITH MORTAR SLURRY

#34
20190316025
2019-10-17

Method of improving wellbore integrity and loss control

#35
20190270927
2019-09-05

Method of inhibiting water penetration into oil- and gas-producing formations

#36
20190264095
2019-08-29

In situ formed inorganic solids in fracture networks

#37
20190249076
2019-08-15

Methods and systems incorporating N-(phosphonoalkyl)iminodiacetic acid particulates

#38
20190153296
2019-05-23

Crush resistant buoyant ball sealers

#39
20180298719
2018-10-18

Polyurethane foamed annular chemical packer

#40
20180273830
2018-09-27

Multifunctional foaming composition with wettability modifying, corrosion inhibitory and mineral scale inhibitory/dispersants properties for high temperature and ultra high salinity

#41
20180049742
2018-02-22

Device and method for establishing an artificial arterio-venous fistula

#42
20180022984
2018-01-25

Activators for inorganic oxide breakers

#43
20180010038
2018-01-11

Foam forming compositions comprising a particulate inorganic material

#44
20170258470
2017-09-14

DEVICE AND METHOD FOR ESTABLISHING AN ARTIFICIAL ARTERIO-VENOUS FISTULA

#45
20170198199
2017-07-13

Foamed curable resin fluids

#46
20160230062
2016-08-11

Methods and systems for sequestering carbon dioxide in a subterranean formation

#47
20160177171
2016-06-23

Multifunctional foaming composition with wettability modifying, corrosion inhibitory and mineral scale inhibitory/dispersants properties for high temperature and ultra high salinity

#48
20160177166
2016-06-23

Sealant compositions for use in subterranean formation operations

#49
20160053158
2016-02-25

Sealant compositions and methods utilizing nano-particles

#50
20150247392
2015-09-03

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

#51
20150164505
2015-06-18

Device and method for establishing an artificial arterio-venous fistula

#52
20150148268
2015-05-28

Foamers for downhole injection

#53
20140345878
2014-11-27

Syntactic foam frac ball and methods of using same

#54
20140174723
2014-06-26

Defoaming agent compositions and methods of making and using same

#55
20140102699
2014-04-17

Defoaming agent compositions and methods of making and using same

#56
20140031842
2014-01-30

Device and method for establishing an artificial arterio-venous fistula

#57
20130341020
2013-12-26

Methods of using nanoparticle suspension aids in subterranean operations

#58
20130118748
2013-05-16

Gelled foam compositions and methods

#59
20130098622
2013-04-25

Downhole polymer foam applications

#60
20130060186
2013-03-07

Device and method for establishing an artificial arterio-venous fistula

#61
20120283154
2012-11-08

Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids

#62
20120101423
2012-04-26

Device and method for establishing an artificial arterio-venous fistula

#63
20110315384
2011-12-29

GELLED FOAM COMPOSITIONS AND METHODS

#64
20110265997
2011-11-03

VISCOSIFICATION AND FOAMING OF POLYACRYLAMIDES

#65
20110224109
2011-09-15

Reversible Peptide Surfactants For Oilfield Applications

#66
20110071060
2011-03-24

FOAMERS FOR DOWNHOLE INJECTION

#67
20110048720
2011-03-03

Methods for servicing subterranean wells

#68
20110015657
2011-01-20

Device and method for establishing an artificial arterio-venous fistula

#69
20100234248
2010-09-16

Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids

#70
20100179076
2010-07-15

Filled Systems From Biphasic Fluids

#71
20100044050
2010-02-25

Fluorinated surfactants and methods of using the same

#72
20100032160
2010-02-11

Fluid loss compositions and methods of use for subterranean operations

#73
20100016183
2010-01-21

Sealant compositions and methods utilizing nano-particles

#74
20090298719
2009-12-03

Method for treating subterranean formation with enhanced viscosity foam

#75
20090294126
2009-12-03

Methods of limiting or preventing fluid flow through a portion of a subterranean formation

#76
20090275876
2009-11-05

Device and method for establishing an artificial arterio-venous fistula

#77
20090188639
2009-07-30

Use of water-soluble polymer complexes in aqueous systems

#78
20090151943
2009-06-18

Aqueous-based emulsified consolidating agents suitable for use in drill-in applications

#79
20080135243
2008-06-12

Method of reducing water influx into gas wells

#80
20080115692
2008-05-22

Foamed resin compositions and methods of using foamed resin compositions in subterranean applications

#81
20080108526
2008-05-08

Saponified fatty acids as viscosity modifiers for viscoelastic surfactant-gelled fluids

#82
20080105428
2008-05-08

Methods of servicing wellbore with composition comprising ultra low density thermatek® slurries

#83
20080105167
2008-05-08

Ultra low density cement compositions and methods of making same

#84
20070275173
2007-11-29

Foamed polymeric lining for earthen pits and methods for installing the same

#85
20070249985
2007-10-25

Device and method for establishing an artificial arterio-venous fistula

#86
20070173867
2007-07-26

Device and method for establishing an artificial arterio-venous fistula

#87
20060229213
2006-10-12

Fluids comprising zirconium isopropylamine crosslinking agents and associated methods

#88
20060211775
2006-09-21

Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids

#89
20060206123
2006-09-14

Device and method for establishing an artificial arterio-venous fistula

#90
20060090896
2006-05-04

Foamed completion fluids and methods

#91
20060002879
2006-01-05

Methods of treating keratin based substrates

#92
20050277554
2005-12-15

Aqueous tackifier and methods of controlling particulates

#93
20050183837
2005-08-25

Use of water-soluble polymer complexes in aqueous systems

#94
20050126781
2005-06-16

Methods of generating gas in well treating fluids

#95
20050092489
2005-05-05

Methods for controlling migration of particulates in a subterranean formation

#96
14808572
2017-11-14

Subterranean system comprising wireless communication network and syntactic foam panels