Patents-Review.com
ClassID:

104988 ⎘

C09K2208/14 - CPC Classification

Classification description:

Aspects relating to compositions of drilling or well treatment fluids Double emulsions, i.e. oil-in-water-in-oil emulsions or water-in-oil-in-water emulsions

Recent Application in this class:
#1
20240018412
2024-01-18

VISCOSIFYING FRICTION REDUCERS

 #2
20200399529
2020-12-24

Viscosifying friction reducers

 #3
20200231869
2020-07-23

Encapsulation and controlled delivery of strong mineral acids

 #4
20200231868
2020-07-23

Encapsulation and controlled delivery of strong mineral acids

 #5
20200056464
2020-02-20

Hydraulic fracturing using multiple fracturing fluids sequentially

 #6
20190390102
2019-12-26

Double emulsified acids and methods for producing and using the same

 #7
20190382651
2019-12-19

Double emulsified acids and methods for producing and using the same

 #8
20190338182
2019-11-07

Double emulsified acids and methods for producing and using the same

 #9
20190330517
2019-10-31

Multiphase polymer suspension and use thereof

 #10
20190218449
2019-07-18

Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluid

 #11
20190218448
2019-07-18

Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluid

 #12
20190203108
2019-07-04

Double emulsified acids and methods for producing and using the same

 #13
20190153289
2019-05-23

Emulsion, method for the production thereof and use thereof

 #14
20180355240
2018-12-13

Systems and methods for breaking friction reducers in-situ

 #15
20180327654
2018-11-15

Methods and materials for treating subterranean formations using a three-phase emulsion based fracturing fluid

 #16
20170321103
2017-11-09

Method of increasing lubricity of wellbore fluids

 #17
20170283684
2017-10-05

Encapsulation of hydrophilic additives

 #18
20170183564
2017-06-29

Encapsulation and controlled delivery of strong mineral acids

 #19
20170029690
2017-02-02

Encapsulated activator and its use to trigger a gelling system by physical means

 #20
20160017215
2016-01-21

Encapsulation and controlled delivery of strong mineral acids

 #21
20140155303
2014-06-05

Zero-leakoff gel

 #22
20140100304
2014-04-10

Encapsulated activator and its use to trigger a gelling system by physical means

 #23
20120181033
2012-07-19

Nanohybrid phase interfaces for foaming in oil field applications

 #24
20120181029
2012-07-19

Nanohybrid-stabilized emulsions and methods of use in oil field applications

 #25
20120043086
2012-02-23

Zero-leakoff emulsified acid

 #26
20110303414
2011-12-15

Method for improving the clean-up of emulsified acid fluid systems

 #27
20110030961
2011-02-10

Treatment of Fluids that Increase in Viscosity at or Above a Threshold Temperature and Methods of Formulating and Using Such Fluids

 #28
20100323931
2010-12-23

STABILISED EMULSIONS

 #29
20100248996
2010-09-30

Wellbore fluid

 #30
20080182763
2008-07-31

Pumpable multiple phase compositions for controlled release applications downhole

 #31
20050107263
2005-05-19

Pumpable multiple phase compositions for controlled release applications downhole

 #32
17505362
2022-05-31

Fiber silica composite microsphere for shale stratum, drilling fluid and preparation method and use thereof