ClassID:

104339

C09K8/68 - page 6 - 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; Compositions based on water or polar solvents containing organic compounds

Recent Application in this class:
#1501
20060113077
2006-06-01

Degradable material assisted diversion or isolation

#1502
20060111248
2006-05-25

Viscoelastic surfactant rheology modification

#1503
20060105919
2006-05-18

Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance

#1504
20060102349
2006-05-18

Composition and method for treating a subterranean formation

#1505
20060100109
2006-05-11

Surfactant-polymer compositions for enhancing the stability of viscoelastic-surfactant based fluid

#1506
20060096758
2006-05-11

Method of treating an oil or gas well with biodegradable low toxicity fluid system

#1507
20060096757
2006-05-11

Method of treating an oil or gas well with biodegradable low toxicity fluid system

#1508
20060090895
2006-05-04

Foamed treatment fluids, foaming additives, and associated methods

#1509
20060089266
2006-04-27

Methods of stabilizing surfaces of subterranean formations

#1510
20060084579
2006-04-20

Viscoelastic surfactant mixtures

#1511
20060079431
2006-04-13

2-Hydroxy-3-alkoxypropyl sulfides, sulfones, and sulfoxides: new surface active agents

#1512
20060073988
2006-04-06

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

#1513
20060073985
2006-04-06

Shale hydration inhibition agent and method of use

#1514
20060073984
2006-04-06

Shale hydration inhibition agent and method of use

#1515
20060073983
2006-04-06

Shale hydration inhibition agent and method of use

#1516
20060073982
2006-04-06

Shale hydration inhibition agent and method of use

#1517
20060068994
2006-03-30

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

#1518
20060065398
2006-03-30

Method of enhancing hydraulic fracturing using ultra lightweight proppants

#1519
20060065397
2006-03-30

Methods and compositions for inducing tip screenouts in frac-packing operations

#1520
20060058197
2006-03-16

Selective fracture face dissolution

#1521
20060054324
2006-03-16

Fiber laden energized fluids and methods of use

#1522
20060048944
2006-03-09

Methods of creating high porosity propped fractures

#1523
20060048943
2006-03-09

High porosity fractures and methods of creating high porosity fractures

#1524
20060046937
2006-03-02

Viscoelastic fluids containing nanotubes for oilfield uses

#1525
20060041028
2006-02-23

Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants

#1526
20060032633
2006-02-16

Methods and compositions for carrier fluids comprising water-absorbent fibers

#1527
20060032407
2006-02-16

Compositions for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids

#1528
20060027369
2006-02-09

Additives for hydrate inhibition in fluids gelled with viscoelastic surfactants

#1529
20060025321
2006-02-02

Viscoelastic surfactant composition having improved rheological properties and method of using for treating subterranean formations

#1530
20060019836
2006-01-26

Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid

#1531
20060018968
2006-01-26

Use of polyethylene glycol based fluidized polymer suspension in functional systems

#1532
20060014648
2006-01-19

Brine-based viscosified treatment fluids and associated methods

#1533
20050284637
2005-12-29

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

#1534
20050277554
2005-12-15

Aqueous tackifier and methods of controlling particulates

#1535
20050274517
2005-12-15

Aqueous-based tackifier fluids and methods of use

#1536
20050272613
2005-12-08

Method and materials for hydaulic fracturing of wells

#1537
20050269101
2005-12-08

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

#1538
20050269100
2005-12-08

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

#1539
20050261138
2005-11-24

Viscosified treatment fluids comprising scleroglucan or diutan and associated methods

#1540
20050257932
2005-11-24

Filter cake degradation compositions and associated methods

#1541
20050257929
2005-11-24

Methods and compositions for consolidating proppant in subterranean fractures

#1542
20050252659
2005-11-17

Degradable additive for viscoelastic surfactant based fluid systems

#1543
20050252658
2005-11-17

System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants

#1544
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

#1545
20050238146
2005-10-27

Destination device order billing according to call recipient

#1546
20050230111
2005-10-20

Methods and compositions for consolidating proppant in fractures

#1547
20050215438
2005-09-29

Polymersome compositions and associated methods of use

#1548
20050209108
2005-09-22

Compositions and methods for treating a subterranean formation

#1549
20050199396
2005-09-15

Methods useful for controlling fluid loss in subterranean treatments

#1550
20050194139
2005-09-08

Methods and compositions for reducing the viscosity of treatment fluids

#1551
20050194138
2005-09-08

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

#1552
20050178553
2005-08-18

Two stage subterranean zone fracturing fluids and methods

#1553
20050178546
2005-08-18

Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same

#1554
20050173116
2005-08-11

Resin compositions and methods of using resin compositions to control proppant flow-back

#1555
20050164893
2005-07-28

Methods of fracturing subterranean zones, fracturing fluids and breaker activators therefor

#1556
20050161220
2005-07-28

Fluid loss control additives for use in fracturing subterranean formations

#1557
20050155796
2005-07-21

Permeability-modifying drilling fluids and methods of use

#1558
20050155765
2005-07-21

Friction reducers for fluids comprising carbon dioxide and methods of using friction reducers in fluids comprising carbon dioxide

#1559
20050155762
2005-07-21

Additive for viscoelastic fluid

#1560
20050145385
2005-07-07

Methods of well stimulation and completion

#1561
20050130849
2005-06-16

Methods of reducing fluid loss in a wellbore servicing fluid

#1562
20050130845
2005-06-16

Method and composition for the triggered release of polymer-degrading agents for oil field use

#1563
20050126782
2005-06-16

Polyamine salts as clay stabilizing agents

#1564
20050124525
2005-06-09

Anionic viscoelastic surfactant

#1565
20050119401
2005-06-02

Use of charged amphiphilic statistic polymers for thickening phase comprising giant micelles of surfactants and aqueous composition comprising same

#1566
20050109506
2005-05-26

Methods for preparing slurries of coated particulates

#1567
20050107503
2005-05-19

Aqueous fracturing fluid

#1568
20050107265
2005-05-19

Methods for controlling the fluid loss properties of viscoelastic surfactant based fluids

#1569
20050107264
2005-05-19

Formate based liquid gel concentrates

#1570
20050092489
2005-05-05

Methods for controlling migration of particulates in a subterranean formation

#1571
20050090406
2005-04-28

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

#1572
20050089631
2005-04-28

Methods for reducing particulate density and methods of using reduced-density particulates

#1573
20050079981
2005-04-14

Methods for mitigating the production of water from subterranean formations

#1574
20050077044
2005-04-14

Low residue well treatment fluids and methods of use

#1575
20050065040
2005-03-24

Methods and compositions for treating subterranean formations using high ionic strength gelling agent polymers

#1576
20050065038
2005-03-24

Methods and compositions for treating subterranean formations

#1577
20050061502
2005-03-24

Methods and compositions for breaking viscosified fluids

#1578
20050059555
2005-03-17

Methods and compositions for stabilizing the surface of a subterranean formation

#1579
20050056424
2005-03-17

Environmentally benign viscous well treating fluids and methods

#1580
20050045328
2005-03-03

Orthoester compositions and methods for reducing the viscosified treatment fluids

#1581
20050039919
2005-02-24

Methods of fracturing high temperature subterranean zones and foamed fracturing fluids therefor

#1582
20050039918
2005-02-24

Methods of treating subterranean zones and treating fluids therefor

#1583
20050028979
2005-02-10

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

#1584
20050022993
2005-02-03

Methods and high density viscous salt water fluids for treating subterranean zones

#1585
20050022990
2005-02-03

Compositions and methods for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids

#1586
20050016732
2005-01-27

Method of hydraulic fracturing to reduce unwanted water production

#1587
20050003965
2005-01-06

Hydraulic fracturing method

#1588
20050000694
2005-01-06

Methods of reducing water permeability for acidizing a subterranean formation

#1589
19013691
2026-03-17

Hydrogen production from iron-rich formations

#1590
18982787
2025-12-23

Fracturing fluid recovery with ionic liquid

#1591
18919619
2025-09-02

Compositions and methods for increasing permeability in hydrocarbon shale formations

#1592
18768521
2024-12-24

Compositions and methods for increasing permeability in hydrocarbon shale formations

#1593
18768483
2024-11-12

Compositions and methods for inhibiting clay swelling in hydrocarbon shale formations

#1594
18346449
2024-11-19

In situ polymer proppant particulates and methods for use thereof

#1595
17877417
2023-10-24

Methods of forming hydrophobic surfaces for enhancing performance of geothermal operations

#1596
17844731
2023-10-10

Bionics-based efficiently transported and packed proppant and preparation method thereof

#1597
17829877
2022-10-25

Invert emulsion drilling fluid containing hydrophobic metallic zinc nanoparticles and method of drilling subterranean geological formation

#1598
17829805
2022-10-25

Rhamnolipid stabilized invert emulsion drilling fluid and method of drilling subterranean geological formation

#1599
17819772
2024-01-09

Methods for hydraulic fracturing and flowback fluid compositions suitable for such

#1600
17817237
2024-01-09

Fracturing fluid based on oilfield produced fluid

#1601
17658275
2023-08-29

Interfacial assembly of integrated silica nanoparticles and fluorosurfactant heterostructures in foamed fracturing fluids

#1602
17643430
2023-05-16

Composition and method of using date palm fibers in hydraulic fracturing

#1603
17315971
2022-07-12

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

#1604
17224538
2022-04-26

Pre-hydration of friction reducers for wellbore fluids

#1605
17132480
2021-10-26

Composition for oil and gas recovery

#1606
15711955
2018-10-30

Pulsed hydraulic fracturing with nanosilica carrier fluid

#1607
15595108
2018-10-16

Enhancing acid fracture conductivity

#1608
15459460
2018-08-14

Fracturing fluid composition and a method of fracturing a subterranean formation using the same

#1609
14313572
2015-10-20

Method of making a fracturing fluid composition and utilization thereof

#1610
14284423
2015-12-15

Methods for using improved urea hydrochloride compositions

#1611
14101332
2016-09-20

Combination unit for managing fluid