ClassID:

104359

C09K8/90 - page 2 - 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 based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose

Recent Application in this class:
#301
20110053813
2011-03-03

Methods to reduce settling rate of solids in a treatment fluid

#302
20110030962
2011-02-10

Aqueous crosslinker slurry compositions and applications

#303
20110030961
2011-02-10

Treatment of Fluids that Increase in Viscosity at or Above a Threshold Temperature and Methods of Formulating and Using Such Fluids

#304
20110028354
2011-02-03

Method of Stimulating Subterranean Formation Using Low pH Fluid Containing a Glycinate Salt

#305
20110015100
2011-01-20

Method of treating subterranean formations with carboxylated guar derivatives

#306
20110003720
2011-01-06

Controlling the stability of water in water emulsions

#307
20100311623
2010-12-09

Fluid treatment systems, compositions and methods for metal ion stabilization in aqueous solutions

#308
20100311621
2010-12-09

Methods and compositions for viscosifying heavy aqueous brines

#309
20100311618
2010-12-09

Fluid treatment systems, compositions and methods for metal ion stabilization in aqueous solutions and/or enhanced fluid performance

#310
20100307753
2010-12-09

Methods of treating flowback water

#311
20100307752
2010-12-09

Fluid treatment systems, compositions and methods for metal ion stabilization in aqueous solutions and/or enhanced fluid performance

#312
20100298177
2010-11-25

Methods for treating a well using a treatment fluid containing a water-soluble polysaccharide, a water-soluble salt, and urea

#313
20100256023
2010-10-07

Viscosified treatment fluids comprising scleroglucan or diutan and associated methods

#314
20100216673
2010-08-26

Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures

#315
20100204069
2010-08-12

METHOD OF STIMULATING SUBTERRANEAN FORMATION USING LOW pH FLUID

#316
20100197527
2010-08-05

Methods and compositions relating to the hydrolysis of water-hydrolysable materials

#317
20100179076
2010-07-15

Filled Systems From Biphasic Fluids

#318
20100175875
2010-07-15

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

#319
20100132948
2010-06-03

Delayed breaking of well treatment fluids

#320
20100130388
2010-05-27

Method for treating wellbore in a subterranean formation with high density brines and complexed metal crosslinkers

#321
20100089580
2010-04-15

Method of enhancing fracture conductivity

#322
20100081586
2010-04-01

Wellbore treatment compositions

#323
20100069270
2010-03-18

Energy recovery and reuse for gel production

#324
20100056403
2010-03-04

Metal free crosslinking of galactomannan

#325
20100018710
2010-01-28

FRACTURING FLUID COMPOSITIONS, METHODS OF PREPARATION AND METHODS OF USE

#326
20100016182
2010-01-21

Method of treating a well with a gel stabilizer

#327
20100000735
2010-01-07

Methods and compositions for enhancing guar hydration rates and performing guar derivitization reactions

#328
20090227479
2009-09-10

Zirconium-based cross-linking composition for use with high pH polymer solutions

#329
20090221453
2009-09-03

Treatment Fluid With Oxidizer Breaker System and Method

#330
20090192056
2009-07-30

Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers

#331
20090192051
2009-07-30

HIGH TEMPERATURE STABILIZER FOR WELL TREATMENT FLUIDS AND METHODS OF USING SAME

#332
20090163387
2009-06-25

Stabilizing biphasic concentrates through the addition of small amounts of high molecular weight polyelectrolytes

#333
20090151945
2009-06-18

Process to prepare borozirconate solution and use as a cross-linker in hydraulic fracturing fluids

#334
20090088347
2009-04-02

Treatment fluid with non-symmetrical peroxide breaker and method

#335
20090082228
2009-03-26

Viscosity reduction

#336
20090075845
2009-03-19

Degradable polymers for wellbore fluids and processes

#337
20090023615
2009-01-22

Polymer delivery in well treatment applications

#338
20090023614
2009-01-22

Polymer delivery in well treatment applications

#339
20090023613
2009-01-22

Polysaccharide treatment fluid and method of treating a subterranean formation

#340
20080318812
2008-12-25

Oil based concentrated slurries and methods for making and using same

#341
20080305971
2008-12-11

Polysaccharide treatment fluid and method of treating a subterranean formation

#342
20080234147
2008-09-25

Method of treating subterranean formation with crosslinked polymer fluid

#343
20080220993
2008-09-11

Stable sodium thiosulfate based fluidized polymer suspensions of hydroxyethyl cellulose for oilfield services

#344
20080220992
2008-09-11

Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures

#345
20080200351
2008-08-21

Method of recycling fracturing fluids using a self-degrading foaming composition

#346
20080190619
2008-08-14

Method for reducing fluid loss during hydraulic fracturing or sand control treatment

#347
20080182762
2008-07-31

Rheology controlled heterogeneous particle placement in hydraulic fracturing

#348
20080173452
2008-07-24

Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications

#349
20080108522
2008-05-08

Use of anionic surfactants as hydration aid for fracturing fluids

#350
20080087432
2008-04-17

Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers

#351
20080085842
2008-04-10

Methods for producing a guar gum comprising undehusked guar and for using the guar gum in treating a subterranean formation

#352
20080081771
2008-04-03

Foaming agent for subterranean formations treatment, and methods of use thereof

#353
20080039347
2008-02-14

Treatment fluids comprising clarified xanthan and associated methods

#354
20080026957
2008-01-31

Treatment and Production of Subterranean Formations with Heteropolysaccharides

#355
20080011486
2008-01-17

BIODEGRADABLE FOAM COMPOSITIONS FOR OIL FIELD OPERATIONS

#356
20080004187
2008-01-03

Energized fluids and methods of use thereof

#357
20070293404
2007-12-20

Subterranean Treatment Methods using Methanol Containing Foams

#358
20070281871
2007-12-06

SELF-HYDRATING, SELF-CROSSLINKING GUAR COMPOSITIONS AND METHODS

#359
20070275862
2007-11-29

Oxidized guar for oilfield servicing fluids

#360
20070270316
2007-11-22

Aqueous alcohol well treatment fluid and method of using the same

#361
20070256836
2007-11-08

Methods of treating a subterranean formation with a treatment fluid having surfactant effective to increase the thermal stability of the fluid

#362
20070215355
2007-09-20

Methods of treating wellbores with recyclable fluids

#363
20070213230
2007-09-13

Fast dissolving hydroxyalkyl guar derivatives

#364
20070135312
2007-06-14

Solvent free fluidized polymer suspensions for oilfield servicing fluids

#365
20070123432
2007-05-31

Compositions and methods for producing guar gum and for using the guar gum in treating a subterranean formation

#366
20070111897
2007-05-17

Composition and method for thickening heavy aqueous brines with cationic guar

#367
20070089881
2007-04-26

Methods of fracturing formations using quaternary amine salts as viscosifiers

#368
20070062703
2007-03-22

Polymer mixtures for crosslinked fluids

#369
20070062702
2007-03-22

Polymer mixtures for crosslinked fluids

#370
20060264334
2006-11-23

Non-damaging fracturing fluids and methods for their use

#371
20060260815
2006-11-23

Method of recycling fracturing fluids using a self-degrading foaming composition

#372
20060258542
2006-11-16

Nonnatural galactomannans and methods of use

#373
20060243449
2006-11-02

Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods

#374
20060205606
2006-09-14

Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures

#375
20060199742
2006-09-07

Water-soluble, low substitution hydroxyethylcellulose, derivatives thereof, process of making, and uses thereof

#376
20060196662
2006-09-07

Methods and compositions for servicing fluids comprising derivatized cellulose gelling agents

#377
20060185850
2006-08-24

Methods of treating subterranean formations using derivatized gelling agents

#378
20060178276
2006-08-10

Energized fluids and methods of use thereof

#379
20060169182
2006-08-03

Methods and compositions relating to the hydrolysis of water-hydrolysable materials

#380
20060166837
2006-07-27

Methods of treating subterranean formations with heteropolysaccharides based fluids

#381
20060166836
2006-07-27

Energized fluids and methods of use thereof

#382
20060151173
2006-07-13

Methods and compositions for enhancing guar hydration rates and performing guar derivitization reactions

#383
20060151172
2006-07-13

Methods of making and using sulfonated carboxylated polysaccharide gelling agents

#384
20060073988
2006-04-06

Fast hydrating guar powder, method of preparation, and methods of use

#385
20060068994
2006-03-30

Fast hydrating guar powder, method of preparation, and methods of use

#386
20060047027
2006-03-02

Well treatment fluids containing a multimodal polymer system

#387
20060027364
2006-02-09

Stabilizing crosslinked polymer guars and modified guar derivatives

#388
20050269101
2005-12-08

Methods of treating subterranean formations using low-molecular-weight fluids

#389
20050269100
2005-12-08

Methods of treating subterranean formations using low-molecular-weight fluids

#390
20050230111
2005-10-20

Methods and compositions for consolidating proppant in fractures

#391
20050205259
2005-09-22

Controlling chlorite or hypochlorite break rate of well treatment fluids using magnesium or calcium ions

#392
20050194138
2005-09-08

Method to depolymerize as well as derivatize a polysaccharide in a hydrocarbon slurry

#393
20050137094
2005-06-23

Subterranean formation treatment fluids and methods of using such fluids

#394
20050107264
2005-05-19

Formate based liquid gel concentrates

#395
20050101491
2005-05-12

Cellulosic suspensions employing alkali formate brines as carrier liquid

#396
20050101490
2005-05-12

Cellulosic suspensions of alkali formate and method of using the same

#397
20050090406
2005-04-28

Methods of preparing and using clean viscous well treating fluids and compositions

#398
18919619
2025-09-02

Compositions and methods for increasing permeability in hydrocarbon shale formations

#399
18907261
2025-06-10

Biomass slurry preparation for subterranean injection

#400
18768521
2024-12-24

Compositions and methods for increasing permeability in hydrocarbon shale formations

#401
18768483
2024-11-12

Compositions and methods for inhibiting clay swelling in hydrocarbon shale formations