ClassID:

104314

C09K8/57 - 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 consolidating loose sand or the like around wells without excessively decreasing the permeability thereof Compositions based on water or polar solvents

Sub-classes:
Recent Application in this class:
#1
20250115695
2025-04-10

CONTAMINANT REMEDIATION WITH FUNCTIONALIZED (METH)ACRYLIC POLYMER OR COPOLYMER MACROPARTICULATES AND SYSTEMS RELATED THERETO

#2
20240117093
2024-04-11

CONTAMINANT REMEDIATION WITH FUNCTIONALIZED (METH)ACRYLIC POLYMER OR COPOLYMER MACROPARTICULATES AND SYSTEMS RELATED THERETO

#3
20220259350
2022-08-18

Contaminant remediation with functionalized (meth)acrylic polymer or copolymer macroparticulates and systems related thereto

#4
20200032132
2020-01-30

Addition of monovalent salts for improved viscosity of polymer solutions used in oil recovery applications

#5
20200032131
2020-01-30

Addition of monovalent salts for improved viscosity of polymer solutions used in oil recovery applications

#6
20190241797
2019-08-08

Method for treatment of bottomhole formation zone

#7
20180030185
2018-02-01

Addition of monovalent salts for improved viscosity of polymer solutions used in oil recovery applications

#8
20180022984
2018-01-25

Activators for inorganic oxide breakers

#9
20170349809
2017-12-07

Urea hydrochloride compositions and associated methods

#10
20170137690
2017-05-18

Wellbore strengthening additive and uses thereof

#11
20160160113
2016-06-09

Drill-in fluids comprising nanoparticulates for consolidating subterranean formations while drilling

#12
20160152885
2016-06-02

Method of applying solvent treatments using emulsions

#13
20160061017
2016-03-03

Methods for enhancing and maintaining fracture conductivity after fracturing shale formations without proppant placement

#14
20150337620
2015-11-26

Methods of making and using cement coated substrate

#15
20140318774
2014-10-30

High Pressure, High Temperature Gravel Pack Carrier Fluid with Extended Dynamic Stability for Alternate Flow Path

#16
20140144639
2014-05-29

Methods for hindering the settling of particulates in a subterranean formation

#17
20140130581
2014-05-15

Method for determining the effectiveness of asphaltene dispersant additives for inhibiting or preventing asphaltene precipitation in a hydrocarbon-containing material subjected to elevated temperature and presssure conditions

#18
20140121134
2014-05-01

Drilling fluid compositions and methods for use thereof in subterranean formations

#19
20130240210
2013-09-19

Systems and methods for injecting a particulate mixture

#20
20120285690
2012-11-15

Multi-Stage Methods and Compositions for Desensitizing Subterranean Formations Faces

#21
20120285689
2012-11-15

Methods and compositions for clay control

#22
20120160778
2012-06-28

Sulfate molecule removal through inorganic or divalent ion nuclei seeding