ClassID:

104313

C09K8/565 - 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 Oil-based compositions

Recent Application in this class:
#1
20250368887
2025-12-04

METHODS AND COMPOSITIONS USED IN CONTROLLING FORMATION SAND PRODUCTION, PROPPANT FLOWBACK, AND FINES MIGRATION

#2
20250304851
2025-10-02

METHODS AND COMPOSITIONS USED IN CONTROLLING FORMATION SAND PRODUCTION, PROPPANT FLOWBACK, AND FINES MIGRATION

#3
20240174913
2024-05-30

SAND CONSOLIDATION WITH MULTIPODAL COMPOSITIONS

#4
20240067864
2024-02-29

Curable hybrid chemical resin for sand consolidation

#5
20230392068
2023-12-07

Sand consolidation using asphaltene/tar with solvents and adsorption system

#6
20230030437
2023-02-02

Nanofluid for fines migration reduction and enhanced oil recovery, method of preparation and uses

#7
20210340426
2021-11-04

Temporary blockage of fluid boundary between higher and lower fluid conductivity formations

#8
20210079285
2021-03-18

Oil-based drill-in fluid with enhanced fluid loss properties

#9
20200377786
2020-12-03

Consolidation of formation particulates

#10
20200216739
2020-07-09

Additive to enhance sag stability of drilling fluid

#11
20200140745
2020-05-07

Emulsion-Based Breaker for Nanoparticle Clay Fluid

#12
20200024501
2020-01-23

Rheology modifier for subterranean treatment fluids

#13
20190023964
2019-01-24

Additive to enhance sag stability of drilling fluid

#14
20180362825
2018-12-20

Metalate-based additives for use in subterranean formations

#15
20180320055
2018-11-08

Consolidation of formation particulates

#16
20180282607
2018-10-04

Hydrocarbon-free emulsifier

#17
20180273829
2018-09-27

SAND CONSOLIDATION WITH PETROLEUM PRODUCTS

#18
20180223170
2018-08-09

Permeability modification of subterranean formation for consolidation treatments

#19
20180112126
2018-04-26

PARTICULATE-STABILIZED EMULSIONS FOR USE IN SUBTERRANEAN FORMATION OPERATIONS

#20
20180105733
2018-04-19

EARLY VISCOSITY ENHANCEMENT OF GELLED OIL

#21
20170369760
2017-12-28

Invert emulsion treatment fluids comprising polar organic compounds and methods of use in subterranean operations

#22
20170349814
2017-12-07

Spherical high temperature high closure tolerant cashew nut shell liquid based proppant, methods of manufacture, and uses thereof

#23
20170349812
2017-12-07

Methods of using lightweight polymers derived from cashew nut shell liquid in hydraulic fracturing and sand control operations

#24
20170335166
2017-11-23

Methods of designing an invert emulsion fluid having high associative stability

#25
20170327729
2017-11-16

Downhole resin coatings comprising a carbon nanomaterial and methods associated therewith

#26
20170253789
2017-09-07

Dual-function nano-sized particles

#27
20170204319
2017-07-20

Metalate-based additives for use in subterranean formations

#28
20170152429
2017-06-01

Dual-function nano-sized particles

#29
20170137693
2017-05-18

Electrically activated adhesive for strengthening of a subterranean wellbore

#30
20170137690
2017-05-18

Wellbore strengthening additive and uses thereof

#31
20170101575
2017-04-13

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

#32
20170015890
2017-01-19

Smart filtrate for strengthening formations

#33
20170009126
2017-01-12

Consolidation compositions comprising multipodal silane coupling agents

#34
20160362599
2016-12-15

Crosslinking resin for sand consolidation operations

#35
20160312105
2016-10-27

Multi-functional additive for oil or gas operations

#36
20160289551
2016-10-06

Silane compositions for use in subterranean formation operations

#37
20160215199
2016-07-28

Polymerizable monomer compositions comprising monomers with high affinity for sand grain surfaces for sand consolidation applications

#38
20160168444
2016-06-16

Methods of designing an invert emulsion fluid having high associative stability

#39
20160160112
2016-06-09

Invert emulsion gravel pack fluid and method

#40
20160108306
2016-04-21

Latent curing agent compatible with low pH frac fluids

#41
20160053160
2016-02-25

Methods for enhancing propped fracture conductivity

#42
20160040058
2016-02-11

Accelerated swelling of oil-swellable elastomers in a well

#43
20160024367
2016-01-28

Ethylene viscosifier polymer for treatment of a subterranean formation

#44
20150252649
2015-09-10

Diverting resin for stabilizing particulate in a well

#45
20140338912
2014-11-20

Thermally-activated gellant for an oil or gas treatment fluid

#46
20140246199
2014-09-04

Method of fracturing with liquefied natural gas

#47
20140224485
2014-08-14

Invert emulsion gravel pack fluid and method

#48
20140190697
2014-07-10

Single component resin systems and methods relating thereto

#49
20140142004
2014-05-22

Amide branched aromatic gelling agent enhancers and breakers

#50
20140014330
2014-01-16

Methods for treating siliciclastic hydrocarbon-bearing formations with fluorinated amine oxides

#51
20130157906
2013-06-20

Nano-sized particle-coated proppants for formation fines fixation in proppant packs

#52
20130085087
2013-04-04

Pyromellitamide gelling agents

#53
20130068459
2013-03-21

Gravel pack carrier fluids

#54
20120267098
2012-10-25

Process of sealing a breakthrough created during the production of hydrocarbons in a subterranean formation

#55
20120149605
2012-06-14

Composition and method for using waxy oil-external emulsions to modify reservoir permeability profiles

#56
20110284245
2011-11-24

FLUID COMPOSITION COMPRISING PARTICLES AND METHOD OF MODIFYING A WELLBORE USING THE SAME

#57
20110017461
2011-01-27

Process for consolidating sand

#58
20100314108
2010-12-16

Dual-function nano-sized particles

#59
20100286000
2010-11-11

Nano-sized particle-coated proppants for formation fines fixation in proppant packs

#60
20100210485
2010-08-19

Oil Formulation for Preventing Water Penetration in Underground Formations

#61
20090301714
2009-12-10

Composition and method for using waxy oil-external emulsions to modify reservoir permeability profiles

#62
20090277636
2009-11-12

System and method for perforated well sand control

#63
20090275489
2009-11-05

Method and chemical agent for reduction of water production from oil and gas containing wells

#64
20090221454
2009-09-03

Methods of using reactive surfactants in subterranean operations

#65
20060264332
2006-11-23

Methods of using reactive surfactants in subterranean operations

#66
20060260813
2006-11-23

Methods of using reactive surfactants in subterranean operations

#67
20050284666
2005-12-29

Geosynthetic composite for borehole strengthening

#68
20050269080
2005-12-08

Method and apparatus for performing chemical treatments of exposed geological formations

#69
20050115710
2005-06-02

Method of well treatment