ClassID:

104996

C09K2208/32 - page 3 - CPC Classification

Classification description:

Aspects relating to compositions of drilling or well treatment fluids Anticorrosion additives

Recent Application in this class:
#601
20140338915
2014-11-20

Particles containing one or more controlled release cross-linked active agents

#602
20140338913
2014-11-20

TREATMENT FLUID CONTAINING A CORROSION INHIBITOR OF A WEAK BASE

#603
20140338902
2014-11-20

Polysaccharide delivery unit for wellbore treatment agent and method

#604
20140323362
2014-10-30

Defoamer formulation and methods for making and using same

#605
20140315763
2014-10-23

Oil based concentrated slurries and methods for making and using same

#606
20140299314
2014-10-09

METHOD FOR THE USE OF NITRATES AND NITRATE REDUCING BACTERIA FOR MITIGATING BIOGENIC SULFIDE PRODUCTION

#607
20140216748
2014-08-07

Bifunctional anti-deposit and anti-corrosion additives

#608
20140213488
2014-07-31

Wellbore fluids comprising mineral particles and methods relating thereto

#609
20140206582
2014-07-24

Completion fluid for reducing friction between metal surfaces

#610
20140202709
2014-07-24

Method of completing a well using a friction reducing completion fluid

#611
20140202703
2014-07-24

Method of reducing corrosion on metal surfaces

#612
20140119984
2014-05-01

WITHANOLIDE CORROSION INHIBITOR FOR CARBON STEEL

#613
20140116708
2014-05-01

SYNERGISTIC CORROSION INHIBITOR INTENSIFIERS FOR ACIDIZING EMULSIONS

#614
20140116707
2014-05-01

In-situ crosslinking and calcium ion complexation for acidizing a subterranean formation

#615
20140087975
2014-03-27

Treatment fluid containing a corrosion inhibitor of a polymer including a silicone and amine group

#616
20140060841
2014-03-06

Fluorous additives for use in a fluorous-based treatment fluid

#617
20130341025
2013-12-26

Method of using phthalic and terephthalic acids and derivatives thereof in well treatment operations

#618
20130306321
2013-11-21

LIQUEFIED INDUSTRIAL GAS BASED SOLUTION IN HYDRAULIC FRACTURING

#619
20130267446
2013-10-10

Treatment of illitic formations using a chelating agent

#620
20130264293
2013-10-10

Use of peracetic acid/hydrogen peroxide and peroxide-reducing agents for treatment of drilling fluids, frac fluids, flowback water and disposal water

#621
20130259743
2013-10-03

Use of peracetic acid/hydrogen peroxide and peroxide-reducing enzymes for treatment of drilling fluids, frac fluids, flowback water and disposal water

#622
20130213659
2013-08-22

Breaker and displacement fluid

#623
20130210686
2013-08-15

TREATMENT FLUID CONTAINING A CORROSION INHIBITOR OF A WEAK BASE

#624
20130180713
2013-07-18

In-situ crosslinking with aluminum carboxylate for acid stimulation of a carbonate formation

#625
20130178399
2013-07-11

Gas hydrate inhibitors and methods for making and using same

#626
20130157905
2013-06-20

Method for the removal or suppression of interfering metal ions using environmentally friendly competitive binders

#627
20130118759
2013-05-16

Agents for enhanced degradation of controlled electrolytic material

#628
20130081820
2013-04-04

HOSTILE ENVIRONMENT STABLE COMPOSITIONS AND DRILLING AND FRACTURING FLUIDS CONTAINING SAME

#629
20130046048
2013-02-21

Use of a BTEX-free solvent to prepare stimulation and oilfield production additives

#630
20120302470
2012-11-29

Compositions, methods, apparatus, and systems for incorporating bio-derived materials in drilling and hydraulic fracturing

#631
20120302468
2012-11-29

FORMULATIONS AND USES OF DRILLING FLUIDS CONTAINING VISCOSIFIED PHOSPHATE BRINE

#632
20120295820
2012-11-22

MANAGEMENT OF CORROSION IN PHOSPHATE BRINES

#633
20120283149
2012-11-08

Compositions and methods for treatment of well bore tar

#634
20120247778
2012-10-04

Completion fluid with friction reduction

#635
20120238479
2012-09-20

Inulin as corrosion inhibitor

#636
20120190598
2012-07-26

Metallic nanoparticle biocide in industrial applications

#637
20120190592
2012-07-26

Method and system for removing organic deposits

#638
20120142563
2012-06-07

Corrosion inhibitor compositions comprising reaction products of aldehydes and amides and related methods

#639
20120132423
2012-05-31

Compositions and methods for treatment of well bore tar

#640
20120094878
2012-04-19

Non-damaging bimodal stimulation composition and method of use thereof

#641
20120073813
2012-03-29

Weight materials for use in cement, spacer and drilling fluids

#642
20120071370
2012-03-22

Defoamer formulation and methods for making and using same

#643
20120035086
2012-02-09

Methods and compositions for inhibiting metal corrosion

#644
20120015852
2012-01-19

Nanofluids and methods of use for drilling and completion fluids

#645
20120006540
2012-01-12

Method for pre-treatment of subterranean sites adjacent to water injection wells

#646
20110312858
2011-12-22

COMPOSITION AND METHODS FOR OILFIELD APPLICATION

#647
20110278024
2011-11-17

Prevention or mitigation of steel corrosion caused by combustion gas

#648
20110245113
2011-10-06

Method of subterranean formation treatment

#649
20110237467
2011-09-29

NANOPARTICLE-DENSIFIED COMPLETION FLUIDS

#650
20110224111
2011-09-15

Method of inhibiting corrosion with an alkyl sarcosinate

#651
20110100630
2011-05-05

Method of Mitigating Corrosion Rate of Oilfield Tubular Goods

#652
20110071060
2011-03-24

FOAMERS FOR DOWNHOLE INJECTION

#653
20110071059
2011-03-24

Foamers for downhole injection

#654
20110065614
2011-03-17

Corrosion inhibitor for acid stimulation systems

#655
20110028360
2011-02-03

ORGANIC CORROSION INHIBITOR PACKAGE FOR ORGANIC ACIDS

#656
20100261623
2010-10-14

Corrosion inhibitor compositions comprising an aldehyde and a thiol and/or an amine functionalized ring structure and associated methods

#657
20100175875
2010-07-15

Squeeze process for reactivation of well treatment fluids containing a water-insoluble adsorbent

#658
20100087340
2010-04-08

Methods and compositions for inhibiting metal corrosion

#659
20100081584
2010-04-01

Compositions and methods for treatment of well bore tar

#660
20100056405
2010-03-04

Self-diverting acid treatment with formic-acid-free corrosion inhibitor

#661
20090247431
2009-10-01

Method of treating an alloy surface with an alkyl sarcosinate

#662
20090181867
2009-07-16

CORROSION INHIBITORS FOR OILFIELD APPLICATIONS

#663
20090156432
2009-06-18

Corrosion inhibitor intensifier compositions and associated methods

#664
20090095534
2009-04-16

Compositions and methods for treatment of well bore tar

#665
20080318812
2008-12-25

Oil based concentrated slurries and methods for making and using same

#666
20080227669
2008-09-18

Corrosion-inhibiting additives, treatment fluids, and associated methods

#667
20080227668
2008-09-18

Corrosion-inhibiting additives, treatment fluids, and associated methods

#668
20080153718
2008-06-26

Methods of increasing permeability in carbonatic rock formations with alkanesulfonic acids

#669
20080139414
2008-06-12

Corrosion inhibitor intensifier compositions and associated methods

#670
20080121398
2008-05-29

Method of acidizing a subterranean formation with diverting foam or fluid

#671
20070256835
2007-11-08

Self diverting matrix acid

#672
20070187648
2007-08-16

Thiol / aldehyde corrosion inhibitors

#673
20070173415
2007-07-26

Stabilization of methyl butynol in hydrochloric acid systems

#674
20070125542
2007-06-07

High temperature gellant in low and high density brines

#675
20070010404
2007-01-11

Corrosion inhibitor or intensifier for use in acidizing treatment fluids

#676
20060281636
2006-12-14

Single fluid acidizing treatment

#677
20060264335
2006-11-23

Corrosion inhibitor intensifier and method of using the same

#678
20060142172
2006-06-29

Cleaning compositions for oil-gas wells, well lines, casings, equipment, storage tanks, etc., and method of use

#679
20060142166
2006-06-29

Method using particulate chelates to stimulate production of petroleum in carbonate formations

#680
20060131017
2006-06-22

Self diverting matrix acid

#681
20060118302
2006-06-08

Self diverting matrix acid

#682
20060081370
2006-04-20

Self diverting matrix acid

#683
20050169794
2005-08-04

Thiol/aldehyde corrosion inhibitors

#684
20050123437
2005-06-09

Methods and compositions for inhibiting metal corrosion

#685
20050067165
2005-03-31

Method of acidizing a subterranean formation with diverting foam or fluid

#686
20050026789
2005-02-03

Compositions and methods for treating subterranean formations

#687
19258959
2025-12-16

Composition and methods for inhibiting corrosion of metal during acidizing a wellbore in a subterranean formation for fracking

#688
19170589
2025-11-18

Composition and methods for inhibiting corrosion of metal during acidizing a wellbore in a subterranean formation for fracking

#689
18622674
2025-09-30

Method of removing hydrogen sulfide from a subterranean geological formation with a zeolitic imidazolate framework in waste cooking oil-based drilling fluids

#690
18433333
2024-08-27

Anti-corrosion and low-heat-conduction annulus protection fluid for deep-sea oil and gas exploitation and preparation method thereof

#691
18360426
2024-08-20

Bistable system for the controlled release of corrosion inhibitors

#692
18217069
2024-11-12

Friction reduction of acidic treatment fluids

#693
17700978
2023-05-16

Corrosion inhibition compositions and methods of use

#694
17700977
2023-06-06

Corrosion inhibition compositions and methods of use

#695
17315971
2022-07-12

One-component type multi-functional fracturing fluid additive and process for preparing the same

#696
17238772
2022-07-05

Nanodissolver for iron sulfide scale removal

#697
17035098
2022-01-04

Sealants and lubricants for wireline operations