ClassID:

104294

C09K8/501 - 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 using spacer compositions

Recent Application in this class:
#1
20240117236
2024-04-11

MIXTURE FOR PRE-CEMENTING OPERATION IN WELLBORE

#2
20230193114
2023-06-22

Diluent for solids-control fluid in a wellbore

#3
20230167351
2023-06-01

Compositions of aphron sealing lost circulation spacer

#4
20230131837
2023-04-27

Mixture for pre-cementing operation in wellbore

#5
20220017810
2022-01-20

Geopolymer formulations for mitigating losses

#6
20220002612
2022-01-06

Method of improving wellbore integrity and loss control

#7
20210371722
2021-12-02

Methods and compositions for mitigating fluid loss from well ballooning

#8
20210253934
2021-08-19

Geopolymer formulations for mitigating losses

#9
20210179915
2021-06-17

Thermally responsive lost circulation materials

#10
20210130678
2021-05-06

Compositions useful for diverting or stopping fluids in subterranean operations

#11
20210071061
2021-03-11

Agglomerated zeolite catalyst for spacers and efficiency fluids

#12
20200354622
2020-11-12

Method of improving wellbore integrity and loss control

#13
20200291288
2020-09-17

Hydraulic geofracture energy storage system with desalination

#14
20200199436
2020-06-25

Lost circulation material compositions and methods of isolating a lost circulation zone of a wellbore

#15
20200199435
2020-06-25

Compositions for sealing a lost circulation zone in a wellbore

#16
20200071598
2020-03-05

Lost circulation material compositions and methods of isolating a lost circulation zone of a wellbore

#17
20190316025
2019-10-17

Method of improving wellbore integrity and loss control

#18
20190300776
2019-10-03

Settable compositions comprising cement kiln dust and methods of use

#19
20190078014
2019-03-14

Hydraulic geofracture energy storage system with desalination

#20
20170369758
2017-12-28

Methods of using lost circulation treatment materials comprising brown mud

#21
20170369757
2017-12-28

Lost circulation materials comprising cane ash

#22
20170342786
2017-11-30

Lost circulation materials comprising red mud

#23
20170166795
2017-06-15

Lost-circulation materials of two different types of fibers

#24
20160289533
2016-10-06

Settable compositions comprising cement kiln dust and methods of use

#25
20160237772
2016-08-18

Wellbore fluids comprising hydrated inorganic oxide materials and associated methods

#26
20160137903
2016-05-19

Lost circulation material

#27
20150275607
2015-10-01

Method of treating subterranean formation using shrinkable fibers

#28
20140051608
2014-02-20

Wellbore Servicing Compositions and Methods of Making and Using Same

#29
20120252705
2012-10-04

Treatment Fluids Comprising Vitrified Shale and Methods of Using Such Fluids in Subterranean Formations

#30
20120108472
2012-05-03

Thermoplastic cellulosic fiber blends as lost circulation materials

#31
20110172130
2011-07-14

Treatment Fluids Comprising Vitrified Shale and Methods of Using Such Fluids in Subterranean Formations

#32
20100276150
2010-11-04

Provision of viscous compositions below ground

#33
20090133868
2009-05-28

Aqueous two-phase emulsion gel systems for zone isolation

#34
20080020948
2008-01-24

Sulfonated graft copolymers

#35
20070062697
2007-03-22

Process for the selective controlled reduction of the relative water permeability in high permeability oil-bearing subterranean formations

#36
20060231255
2006-10-19

Methods of using a polymeric precipitate to reduce the loss of fluid to a subterranean formation

#37
20060188651
2006-08-24

Additive for increasing the density of a fluid for casing annulus pressure

#38
17566827
2022-11-29

Primary proppant flowback control