ClassID:

104335

C09K8/62 - page 3 - 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 Compositions for forming crevices or fractures

Recent Application in this class:
#601
20090188639
2009-07-30

Use of water-soluble polymer complexes in aqueous systems

#602
20090178807
2009-07-16

Non-spherical well treating particulates and methods of using the same

#603
20090131286
2009-05-21

Method and materials for hydraulic fracturing of wells using a liquid degradable thermoplastic polymer

#604
20090107674
2009-04-30

Method of treating subterranean formations using mixed density proppants or sequential proppant stages

#605
20090062156
2009-03-05

Methods of treating a subterranean formation including a biocidal treatment

#606
20090062154
2009-03-05

Proppants and anti-flowback additives made from sillimanite minerals, methods of manufacture, and methods of use

#607
20090062153
2009-03-05

Enzyme enhanced oil/gas recovery (EEOR/EEGR) using non-gel hydraulic fracturing in hydrocarbon producing wells

#608
20090023616
2009-01-22

Aqueous fracturing fluid

#609
20090014176
2009-01-15

Proppant and methods of use

#610
20080233175
2008-09-25

Glucanases, nucleic acids encoding them and methods for making and using them

#611
20080230225
2008-09-25

Perforators

#612
20080217010
2008-09-11

Polyphenylene sulfide proppants

#613
20080202749
2008-08-28

Polymeric gel system and use in hydrocarbon recovery

#614
20080087429
2008-04-17

Methods and compositions of a storable relatively lightweight proppant slurry for hydraulic fracturing and gravel packing applications

#615
20080070810
2008-03-20

Methods of preparing degradable materials and methods of use in subterranean formations

#616
20080053657
2008-03-06

Method of manufacturing and using rod-shaped proppants and anti-flowback additives

#617
20080032898
2008-02-07

Method of treating subterranean formations using mixed density proppants or sequential proppant stages

#618
20080006409
2008-01-10

Solid sandstone dissolver

#619
20070287641
2007-12-13

Acidic treatment fluids and associated methods

#620
20070284311
2007-12-13

Recycling hydrocarbon hydraulic stimulation fluid

#621
20070261854
2007-11-15

Methods for controlling particulate migration

#622
20070249985
2007-10-25

Device and method for establishing an artificial arterio-venous fistula

#623
20070227732
2007-10-04

Method of fracturing a coalbed gas reservoir

#624
20070197404
2007-08-23

Viscoelastic wellbore fluid comprising an anionic surfactant

#625
20070173867
2007-07-26

Device and method for establishing an artificial arterio-venous fistula

#626
20070173414
2007-07-26

Well drilling fluids having clay control properties

#627
20070173413
2007-07-26

Non-volatile phosphorus hydrocarbon gelling agent

#628
20070167332
2007-07-19

Quaternary ammonium salts as thickening agents for aqueous systems

#629
20070119593
2007-05-31

Scale dissolver fluid

#630
20070066491
2007-03-22

Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications

#631
20070062698
2007-03-22

Fluid with asphaltene control

#632
20070007009
2007-01-11

Methods of well stimulation and completion

#633
20060276347
2006-12-07

Concentrated suspensions

#634
20060260811
2006-11-23

Lightweight composite particulates and methods of using such particulates in subterranean applications

#635
20060254826
2006-11-16

Drilling method

#636
20060254771
2006-11-16

Non-Damaging Fluid-Loss Pill and Method of Using the Same

#637
20060219405
2006-10-05

Method of stabilizing unconsolidated formation for sand control

#638
20060206123
2006-09-14

Device and method for establishing an artificial arterio-venous fistula

#639
20060172895
2006-08-03

Degradable particulate generation and associated methods

#640
20060172894
2006-08-03

Degradable particulate generation and associated methods

#641
20060169450
2006-08-03

Degradable particulate generation and associated methods

#642
20060151168
2006-07-13

Methods of preparing and using coated particulates

#643
20060144136
2006-07-06

Determination of amount of proppant added to a fracture fluid using a coriolis flow meter

#644
20060089265
2006-04-27

Boronic acid networking agents and associated methods

#645
20060078682
2006-04-13

Particles for use as proppants or in gravel packs, methods for making and using the same

#646
20060054325
2006-03-16

Solid sandstone dissolver

#647
20060048944
2006-03-09

Methods of creating high porosity propped fractures

#648
20060011342
2006-01-19

Fluid loss control additives for use in fracturing subterranean formations

#649
20060002879
2006-01-05

Methods of treating keratin based substrates

#650
20050284631
2005-12-29

Lightweight composite particulates and methods of using such particulates in subterranean applications

#651
20050274523
2005-12-15

Methods and compositions for introducing conductive channels into a hydraulic fracturing treatment

#652
20050274517
2005-12-15

Aqueous-based tackifier fluids and methods of use

#653
20050272613
2005-12-08

Method and materials for hydaulic fracturing of wells

#654
20050269086
2005-12-08

Methods for controlling particulate migration

#655
20050267001
2005-12-01

On-the-fly preparation of proppant and its use in subterranean operations

#656
20050257929
2005-11-24

Methods and compositions for consolidating proppant in subterranean fractures

#657
20050252659
2005-11-17

Degradable additive for viscoelastic surfactant based fluid systems

#658
20050244641
2005-11-03

Coating and/or treating hydraulic fracturing proppants to improve wettability, proppant lubrication, and/or to reduce damage by fracturing fluids and reservoir fluids

#659
20050194142
2005-09-08

Compositions and methods for controlling unconsolidated particulates

#660
20050194137
2005-09-08

Methods of using partitioned, coated particulates

#661
20050194136
2005-09-08

Methods of preparing and using coated particulates

#662
20050194135
2005-09-08

Methods using particulates coated with treatment chemical partitioning agents

#663
20050187114
2005-08-25

Re-use of recovered treating fluid

#664
20050183837
2005-08-25

Use of water-soluble polymer complexes in aqueous systems

#665
20050176590
2005-08-11

Re-use of recovered treating fluid

#666
20050161220
2005-07-28

Fluid loss control additives for use in fracturing subterranean formations

#667
20050137094
2005-06-23

Subterranean formation treatment fluids and methods of using such fluids

#668
20050126778
2005-06-16

Hydraulic fracturing using non-ionic surfactant gelling agent

#669
20050107503
2005-05-19

Aqueous fracturing fluid

#670
20050092489
2005-05-05

Methods for controlling migration of particulates in a subterranean formation

#671
20050061502
2005-03-24

Methods and compositions for breaking viscosified fluids

#672
20050059558
2005-03-17

Methods for improving proppant pack permeability and fracture conductivity in a subterranean well

#673
20050059555
2005-03-17

Methods and compositions for stabilizing the surface of a subterranean formation

#674
20050049151
2005-03-03

Methods for controlling migration of particulates in a subterranean formation

#675
20050045335
2005-03-03

Systems and methods for treating a subterranean formation using carbon dioxide and a crosslinked fracturing fluid

#676
20050045328
2005-03-03

Orthoester compositions and methods for reducing the viscosified treatment fluids

#677
20050028979
2005-02-10

Methods and compositions of a storable relatively lightweight proppant slurry for hydraulic fracturing and gravel packing applications

#678
20050006094
2005-01-13

Emplacement of treatment agents using soil fracturing for remediation of subsurface environmental contamination

#679
20050006093
2005-01-13

Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures

#680
20050003969
2005-01-06

Well service fluid and method of making and using the same

#681
18471499
2025-02-11

Dual-polymer hydraulic fracturing fluid and method for pumping the same into subterranean formations

#682
18396284
2024-12-24

Synergetic surfactant combination comprising polyglycerol fatty acid ester and sorbitan ester and/ or ethoxylated sorbitan ester for fracturing fluid

#683
17553889
2023-04-18

Efficient stimulation of formation using micro-proppants

#684
16046128
2019-01-22

Photocatalyst for removing hydroxypropyl guar gum in flow-back fluid of fracturing fluid and preparation method and use thereof

#685
15601930
2022-06-07

Method of making buoyancy adjusted materials and their application thereof

#686
15442977
2018-07-10

Proppant drying system and method

#687
14101332
2016-09-20

Combination unit for managing fluid