Patents-Review.com
ClassID:

104254 ⎘

C09K8/02 - 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 Well-drilling compositions

Sub-classes:
Recent Application in this class:
#1
20250003311
2025-01-02

METHOD FOR TAKING A CORE SAMPLE OF A FORMATION

 #2
20220325602
2022-10-13

Method for taking a core sample of a formation

 #3
20220106846
2022-04-07

Lost circulation material having tentacles

 #4
20220106845
2022-04-07

Lost circulation material having tentacles

 #5
20210404288
2021-12-30

Method for coring that allows the preservation of in-situ soluble salt cements within subterranean rocks

 #6
20210332651
2021-10-28

Fracture fluid alteration to mitigate barite scale precipitation in unconventional oil/gas shale systems

 #7
20210309905
2021-10-07

Use of biodegradable hydrocarbon fluids as drilling fluids

 #8
20200248514
2020-08-06

Method of controlling salinity of an injection water during commissioning of an injection well

 #9
20200208039
2020-07-02

Urea Hydrochloride Compositions and Associated Methods

 #10
20200048972
2020-02-13

Fracture fluid alteration to mitigate barite scale precipitation in unconventional oil/gas shale systems

 #11
20200048525
2020-02-13

Use of biodegradable hydrocarbon fluids as drilling fluids

 #12
20200010758
2020-01-09

Thermally-stable, non-precipitating, high-density wellbore fluids

 #13
20200002636
2020-01-02

Organic lubricant

 #14
20190242203
2019-08-08

In-line methods and apparatuses for determining the composition of an emulsified drilling fluid

 #15
20190211253
2019-07-11

Compositions and methods for servicing subterranean wells

 #16
20190195068
2019-06-27

Predicting properties of well bore treatment fluids

 #17
20190127624
2019-05-02

Modified asphalt particles and preparation method and use thereof

 #18
20180291428
2018-10-11

PCR amplification methods for detecting and quantifying sulfate-reducing bacteria in oilfield fluids

 #19
20180222854
2018-08-09

Alpha-olefin sulfonic dimer acid process

 #20
20180202246
2018-07-19

In-line methods and apparatuses for determining the composition of an emulsified drilling fluid

 #21
20180016886
2018-01-18

Methods for fracturing formations using aggregating compositions

 #22
20180002594
2018-01-04

Salt tolerant settling retardant proppants

 #23
20170369758
2017-12-28

Methods of using lost circulation treatment materials comprising brown mud

 #24
20170369757
2017-12-28

Lost circulation materials comprising cane ash

 #25
20170349809
2017-12-07

Urea hydrochloride compositions and associated methods

 #26
20170342786
2017-11-30

Lost circulation materials comprising red mud

 #27
20170335178
2017-11-23

SALT-TOLERANT SELF-SUSPENDING PROPPANTS

 #28
20170314359
2017-11-02

Dissolvable isolation devices with an altered surface that delays dissolution of the devices

 #29
20170253788
2017-09-07

Methods of zonal isolation and treatment diversion with shaped particles

 #30
20170247605
2017-08-31

Thermally-stable, non-precipitating, high-density wellbore fluids

 #31
20170218756
2017-08-03

Predicting properties of well bore treatment fluids

 #32
20170174981
2017-06-22

DEGRADABLE COMPONENTS

 #33
20170073656
2017-03-16

Polypeptides having xanthan degrading activity and polynucleotides encoding same

 #34
20170058177
2017-03-02

Viscometer and methods of use thereof

 #35
20160356119
2016-12-08

Cementing a wellbore using cementing material encapsulated in a shell

 #36
20150285049
2015-10-08

Method of Drilling for and Producing Oil and Gas from Earth Boreholes

 #37
20150275601
2015-10-01

Separation of drilling fluid

 #38
20150240609
2015-08-27

MAGNETIC POLYMERS FOR IMPROVING HYDROCARBON RECOVERY OR DRILLING PERFORMANCE

 #39
20150225637
2015-08-13

Wellbore fluids and method of use

 #40
20150114642
2015-04-30

AGGREGATING REAGENTS AND METHODS FOR MAKING AND USING SAME

 #41
20150111791
2015-04-23

Weakly consolidated, semi consolidated formation, or unconsolidated formations treated with zeta potential altering compositions to form conglomerated formations

 #42
20150024976
2015-01-22

Predicting properties of well bore treatment fluids

 #43
20140318788
2014-10-30

VISCOSIFIED BREAKER FLUID COMPOSITIONS FOR EXTENDED DELAY IN FILTERCAKE REMOVAL AT HIGH TEMPERATURE

 #44
20140262281
2014-09-18

Methods of designing a drilling fluid having suspendable loss circulation material

 #45
20130075100
2013-03-28

Aggregating reagents and methods for making and using same

 #46
20130023448
2013-01-24

Methods for Treating Hydrocarbon-Servicing Fluids and Wastewater and Fluids Produced Using the Same

 #47
20110250018
2011-10-13

MINERAL COMPLEX, COMPOSITIONS THEREOF, AND METHODS OF USING THE SAME

 #48
20110247983
2011-10-13

MINERAL COMPLEX, COMPOSITIONS THEREOF, AND METHODS OF USING THE SAME

 #49
20110247536
2011-10-13

MINERAL COMPLEX, COMPOSITIONS THEREOF, AND METHODS OF USING THE SAME

 #50
20110247379
2011-10-13

MINERAL COMPLEX, COMPOSITIONS THEREOF, AND METHODS OF USING THE SAME

 #51
20110247273
2011-10-13

Mineral complex, compositions thereof, and methods of using the same

 #52
20110247272
2011-10-13

MINERAL COMPLEX, COMPOSITIONS THEREOF, AND METHODS OF USING THE SAME

 #53
20110214870
2011-09-08

LOST CIRCULATION COMPOSITION

 #54
20100212905
2010-08-26

Method and system using zeta potential altering compositions as aggregating reagents for sand control

 #55
20090275488
2009-11-05

Methods for increase gas production and load recovery

 #56
20090091053
2009-04-09

Method for fabricating compressible objects for a variable density drilling mud

 #57
20090084554
2009-04-02

Drilling and fracturing fluid

 #58
20070068675
2007-03-29

Method for drilling and completing wells

 #59
20070027036
2007-02-01

Variable density drilling mud

 #60
20060160705
2006-07-20

Spotting fluid compositions and associated methods

 #61
20060105918
2006-05-18

Methods of degrading filter cakes in subterranean formations

 #62
20060105917
2006-05-18

In-situ filter cake degradation compositions and methods of use in subterranean formations

 #63
20050045328
2005-03-03

Orthoester compositions and methods for reducing the viscosified treatment fluids

 #64
14035942
2018-04-24

Methods for treating liquid streams containing quaternary ammonium compounds