ClassID:

104333

C09K8/607 - 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 stimulating production by acting on the underground formation specially adapted for clay formations

Sub-classes:
Recent Application in this class:
#1
20240209252
2024-06-27

METHODS FOR STABILIZING WATER SENSITIVE CLAYS AND MIGRATING FINES IN SUBTERRANEAN FORMATIONS

#2
20240043738
2024-02-08

ADDITIVES AND METHODS, COMPOSITIONS AND USES RELATING THERETO

#3
20230151266
2023-05-18

DRIED SHALE INHIBITOR ADDITIVES

#4
20220220364
2022-07-14

Decreasing proppant embedment with amine-functionalized polysaccharides

#5
20220169913
2022-06-02

Methods for stabilizing water sensitive clays and migrating fines in subterranean formations

#6
20210284899
2021-09-16

Systems, methods, and compositions for reservoir stimulation treatment diversion using thermochemicals

#7
20210277300
2021-09-09

Hydraulic fracking fluid for generating proppants in situ and fracking method with proppant generation in situ

#8
20210238472
2021-08-05

Methods for clay swelling inhibition using gemini surfactants containing a saturated linker

#9
20210139766
2021-05-13

Decreasing proppant embedment with amine-functionalized polysaccharides

#10
20200231864
2020-07-23

Mitigation of condensate and water banking using functionalized nanoparticles

#11
20200140745
2020-05-07

Emulsion-Based Breaker for Nanoparticle Clay Fluid

#12
20200140744
2020-05-07

STIMULATING WELLS USING CO2, WATER BLOCK REMOVING AGENTS, AND/OR BREAKERS TO IMPROVE WELL PRODUCTION

#13
20200079989
2020-03-12

Additives to reduce the crystallization temperature of brines and methods of use

#14
20190225873
2019-07-25

Guanidine- or guanidinium-containing compounds for treatment of subterranean formations

#15
20190194527
2019-06-27

Shale treatment

#16
20180371308
2018-12-27

FOOD GRADE MATERIAL AS EFFECTIVE CLAY CONTROL AGENT

#17
20180230372
2018-08-16

Self-suspending modified proppant system for carbon dioxide based fracturing fluids

#18
20180230371
2018-08-16

Self-suspending modified proppant system for carbon dioxide based fracturing fluids

#19
20180230365
2018-08-16

Self-suspending proppants for use in carbon dioxide-based fracturing fluids and methods of making and use thereof

#20
20180179437
2018-06-28

Treatment fluids for a subterranean formation

#21
20180118999
2018-05-03

Compositions and methods for stabilizing water sensitive clays and migrating fines in subterranean formations

#22
20180030340
2018-02-01

Methods of preparing treatment fluids comprising anhydrous ammonia for use in subterranean formation operations

#23
20170327725
2017-11-16

Earth metal peroxide fluidized compositions

#24
20170210973
2017-07-27

Methods of stabilizing clays within a subterranean formation

#25
20170183560
2017-06-29

Guanidine- or guanidinium-containing compounds for treatment of subterranean formations

#26
20170114271
2017-04-27

Subterranean well production saltwater evaporation station with saltwater recycle

#27
20170101577
2017-04-13

Non-acidic exothermic sandstone stimulation fluids

#28
20160208158
2016-07-21

AMINE-BASED SHALE INHIBITOR AND METHODS FOR DRILLING, FRACTURING, AND WELL TREATMENT

#29
20150041138
2015-02-12

Agent for inhibiting the swelling of clays, compositions comprising said agent and methods implementing said agent

#30
20140321914
2014-10-30

Controlled dewatering of confined, saturated formations in excavation mines

#31
20140076552
2014-03-20

Treatment fluids comprising magnetic surfactants and methods relating thereto

#32
20130206416
2013-08-15

Earth metal peroxide fluidized compositions

#33
20130180720
2013-07-18

Non-acidic exothermic sandstone stimulation fluids

#34
20120285690
2012-11-15

Multi-Stage Methods and Compositions for Desensitizing Subterranean Formations Faces

#35
20120285689
2012-11-15

Methods and compositions for clay control

#36
20110269652
2011-11-03

GEMINI SURFACTANTS

#37
20100120638
2010-05-13

Additives for oil recovery from reservoirs

#38
20070261849
2007-11-15

Servicing a wellbore with an aqueous based fluid comprising a clay inhibitor

#39
20050039918
2005-02-24

Methods of treating subterranean zones and treating fluids therefor