ClassID:

104339

C09K8/68 - page 5 - 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:
#1201
20100075872
2010-03-25

Methods and compositions for carrier fluids comprising water-absorbent fibers

#1202
20100075871
2010-03-25

Stabilized aqueous polymer compositions and their use

#1203
20100069271
2010-03-18

Viscosity Breaker for Polyacrylamide Friction Reducers

#1204
20100069270
2010-03-18

Energy recovery and reuse for gel production

#1205
20100056402
2010-03-04

Acidic internal breaker for viscoelastic surfactant fluids in brine

#1206
20100056401
2010-03-04

Partially neutralized polyhydroxy acids for well treatments

#1207
20100056400
2010-03-04

Use of Mineral Oils to Reduce Fluid Loss for Viscoelastic Surfactant Gelled Fluids

#1208
20100044049
2010-02-25

Green coal bed methane fracturing fluid compositions, methods of preparation and methods of use

#1209
20100044048
2010-02-25

Non-toxic, green fracturing fluid compositions, methods of preparation and methods of use

#1210
20100032157
2010-02-11

Well stimulation

#1211
20100018710
2010-01-28

FRACTURING FLUID COMPOSITIONS, METHODS OF PREPARATION AND METHODS OF USE

#1212
20100016184
2010-01-21

Orthoester-based surfactants and associated methods

#1213
20100010106
2010-01-14

Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants

#1214
20100000735
2010-01-07

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

#1215
20090325825
2009-12-31

Method of minimizing or reducing salt deposits by use of a fluid containing a fructan and derivatives thereof

#1216
20090318313
2009-12-24

Slickwater treatment fluid and method

#1217
20090312203
2009-12-17

Viscosity enhancers for viscoelastic surfactant stimulation fluids

#1218
20090312201
2009-12-17

Nano-Sized Particles for Formation Fines Fixation

#1219
20090305913
2009-12-10

Dual-function additives for enhancing fluid loss control and stabilizing viscoelastic surfactant fluids

#1220
20090301731
2009-12-10

Methods to increase recovery of treatment fluid following stimulation of a subterranean formation comprising cationic surfactant coated particles

#1221
20090298721
2009-12-03

Friction reducer performance in water containing multivalent ions

#1222
20090291864
2009-11-26

Viscoelastic compositions

#1223
20090288825
2009-11-26

Surfactant method for improved oil recovery from subterranean reservoirs

#1224
20090286703
2009-11-19

Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids

#1225
20090286700
2009-11-19

Heterogeneous proppant placement in a fracture with removable channelant fill

#1226
20090281006
2009-11-12

Methods of treating a lower-quality water for use as some of the water in the forming and delivering of a treatment fluid into a wellbore

#1227
20090281005
2009-11-12

Method of acid fracturing a sandstone formation

#1228
20090281004
2009-11-12

Composition and method for fluid recovery from well

#1229
20090277641
2009-11-12

Methods of using a lower-quality water for use as some of the water in the forming and delivering of a treatment fluid into a wellbore

#1230
20090277640
2009-11-12

Methods of using a higher-quality water with an unhydrated hydratable additive allowing the use of a lower-quality water as some of the water in the forming and delivering of a treatment fluid into a wellbore

#1231
20090275876
2009-11-05

Device and method for establishing an artificial arterio-venous fistula

#1232
20090275490
2009-11-05

Disproportionate permeability reduction using a viscoelastic surfactant

#1233
20090275488
2009-11-05

Methods for increase gas production and load recovery

#1234
20090272534
2009-11-05

Methods of using viscoelastic surfactant gelled fluids to pre-saturate underground formations

#1235
20090253596
2009-10-08

FLUID LOSS CONTROL AGENTS FOR VISCOELASTIC SURFACTANT FLUIDS

#1236
20090253595
2009-10-08

Surfactants for hydrocarbon recovery

#1237
20090221454
2009-09-03

Methods of using reactive surfactants in subterranean operations

#1238
20090221453
2009-09-03

Treatment Fluid With Oxidizer Breaker System and Method

#1239
20090209438
2009-08-20

Low residue fluid fracturing system and method of use

#1240
20090200033
2009-08-13

Compositions and methods for gas well treatment

#1241
20090200027
2009-08-13

Compositions and methods for gas well treatment

#1242
20090192056
2009-07-30

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

#1243
20090192053
2009-07-30

Methods and compositions for delayed release of chemicals and particles

#1244
20090181866
2009-07-16

Methods and compositions for altering the viscosity of treatment fluids used in subterranean operations

#1245
20090176665
2009-07-09

Self-degrading fibers and associated methods of use and manufacture

#1246
20090175688
2009-07-09

Shale hydration inhibition agent and method of use

#1247
20090163387
2009-06-25

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

#1248
20090151944
2009-06-18

Use of polyimides in treating subterranean formations

#1249
20090149352
2009-06-11

Viscoelastic surfactant fluid systems comprising an aromatic sulfonate and methods of using same

#1250
20090145602
2009-06-11

Cement compositions comprising crystalline organic materials and methods of using same

#1251
20090143256
2009-06-04

Utilization of surfactant as conformance materials

#1252
20090139766
2009-06-04

Methods of perforation using viscoelastic surfactant fluids and associated compositions

#1253
20090137432
2009-05-28

pH Sensitive Emulsion System

#1254
20090133868
2009-05-28

Aqueous two-phase emulsion gel systems for zone isolation

#1255
20090131286
2009-05-21

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

#1256
20090111718
2009-04-30

Control of fines migration in well treatments

#1257
20090111716
2009-04-30

Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants

#1258
20090107681
2009-04-30

Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants

#1259
20090107673
2009-04-30

Nano-sized particle-coated proppants for formation fines fixation in proppant packs

#1260
20090105097
2009-04-23

Degradable Friction Reducer

#1261
20090095472
2009-04-16

Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation

#1262
20090088347
2009-04-02

Treatment fluid with non-symmetrical peroxide breaker and method

#1263
20090084554
2009-04-02

Drilling and fracturing fluid

#1264
20090075845
2009-03-19

Degradable polymers for wellbore fluids and processes

#1265
20090065209
2009-03-12

Multifunctional nanoparticles for downhole formation treatments

#1266
20090065207
2009-03-12

Well treatment to inhibit fines migration

#1267
20090062157
2009-03-05

Methods and compositions related to the degradation of degradable polymers involving dehydrated salts and other associated methods

#1268
20090062155
2009-03-05

Use of fluorocarbon surfactants to improve the productivity of gas and gas condensate wells

#1269
20090038855
2009-02-12

Variable density fluids and methods of use in subterranean formations

#1270
20090029880
2009-01-29

Method of using ionic liquids to inhibit or prevent the swelling of clay

#1271
20090025934
2009-01-29

System and method for low damage fracturing

#1272
20090023617
2009-01-22

Friction reducer performance by complexing multivalent ions in water

#1273
20090023616
2009-01-22

Aqueous fracturing fluid

#1274
20090023615
2009-01-22

Polymer delivery in well treatment applications

#1275
20090023614
2009-01-22

Polymer delivery in well treatment applications

#1276
20090023613
2009-01-22

Polysaccharide treatment fluid and method of treating a subterranean formation

#1277
20080305971
2008-12-11

Polysaccharide treatment fluid and method of treating a subterranean formation

#1278
20080300153
2008-12-04

Use of Nano-Sized Clay Minerals in Viscoelastic Surfactant Fluids

#1279
20080296024
2008-12-04

Procedures and compositions for reservoir protection

#1280
20080289828
2008-11-27

Methods of limiting leak off and damage in hydraulic fractures

#1281
20080289823
2008-11-27

Degradable material assisted diversion or isolation

#1282
20080279347
2008-11-13

Destination device billing according to call recipient

#1283
20080271888
2008-11-06

Methods of Using Viscoelastic Surfactant Gelled Fluids to Pre-Saturate Underground Formations

#1284
20080269081
2008-10-30

Internal breakers for viscoelastic surfactant fluids

#1285
20080269080
2008-10-30

Wellbore treatment compositions containing foam extenders and methods of use thereof

#1286
20080257553
2008-10-23

Aggregating reagents, modified particulate metal-oxides and proppants

#1287
20080255009
2008-10-16

Polycationic viscoelastic compositions

#1288
20080251252
2008-10-16

Polymeric gel system and methods for making and using same in hydrocarbon recovery

#1289
20080248977
2008-10-09

Polycationic viscoelastic compositions

#1290
20080248976
2008-10-09

Polycationic viscoelastic compositions

#1291
20080236832
2008-10-02

Method for Treating Subterranean Formation

#1292
20080236823
2008-10-02

Degradable fiber systems for stimulation

#1293
20080227672
2008-09-18

Unsaturated fatty acids and mineral oils as internal breakers for VES-gelled fluids

#1294
20080220993
2008-09-11

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

#1295
20080220992
2008-09-11

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

#1296
20080217011
2008-09-11

Methods for treating a subterranean formation with a treatment fluid containing a gelling agent and subsequently breaking the gel with an oxidizer

#1297
20080210423
2008-09-04

Circulated degradable material assisted diversion

#1298
20080202749
2008-08-28

Polymeric gel system and use in hydrocarbon recovery

#1299
20080202744
2008-08-28

Methods and compositions for fracturing subterranean formations

#1300
20080200353
2008-08-21

Viscoelastic surfactant fluids and related methods of use

#1301
20080194432
2008-08-14

Method for breaking the viscosity of polymer-thickened aqueous systems for mineral oil and natural gas exploration

#1302
20080194430
2008-08-14

Treatment fluids comprising diutan and associated methods

#1303
20080194428
2008-08-14

Treatment fluids comprising diutan and associated methods

#1304
20080194427
2008-08-14

Treatment fluids comprising diutan and associated methods

#1305
20080190619
2008-08-14

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

#1306
20080190609
2008-08-14

Methods for reducing the viscosity of treatment fluids comprising diutan

#1307
20080182762
2008-07-31

Rheology controlled heterogeneous particle placement in hydraulic fracturing

#1308
20080176773
2008-07-24

Method of treating a well with viscoelastic surfactant and viscosification activator

#1309
20080176770
2008-07-24

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

#1310
20080173452
2008-07-24

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

#1311
20080173451
2008-07-24

Methods for increasing gas production from a subterranean formation

#1312
20080167205
2008-07-10

Additive for viscoelastic fluid

#1313
20080161212
2008-07-03

Dual-function additives for enhancing fluid loss control and stabilizing viscoelastic surfactant fluids

#1314
20080161211
2008-07-03

Subterranean treatment fluids, friction reducing copolymers, and associated methods

#1315
20080161210
2008-07-03

Subterranean treatment fluids comprising viscoelastic surfactant gels

#1316
20080161209
2008-07-03

Fluid Loss Control in Viscoelastic Surfactant Fracturing Fluids Using Water Soluble Polymers

#1317
20080153720
2008-06-26

Solids suspension with nanoparticle-associated viscoelastic surfactant micellar fluids

#1318
20080153719
2008-06-26

Use of Mineral Oils, Hydrogenated Polyalphaolefin Oils and Saturated Fatty Acids for Breaking VES-Gelled Fluids

#1319
20080149334
2008-06-26

Particles in oil for viscoelastic surfactant gelled fluids

#1320
20080139419
2008-06-12

Viscosity enhancers for viscoelastic surfactant stimulation fluids

#1321
20080139417
2008-06-12

Method of preventing or reducing fluid loss in subterranean formations

#1322
20080139410
2008-06-12

Viscoelastic surfactant fluid systems comprising an aromatic sulfonate and methods of using same

#1323
20080135242
2008-06-12

Heterogeneous proppant placement in a fracture with removable channelant fill

#1324
20080132711
2008-06-05

High molecular weight polyamine salts as clay stabilizing agents

#1325
20080121395
2008-05-29

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

#1326
20080115932
2008-05-22

Method and apparatus for delayed flow or pressure change in wells

#1327
20080110624
2008-05-15

Methods for controlling water and particulate production in subterranean wells

#1328
20080108526
2008-05-08

Saponified fatty acids as viscosity modifiers for viscoelastic surfactant-gelled fluids

#1329
20080108524
2008-05-08

Delayed water-swelling materials and methods of use

#1330
20080108523
2008-05-08

Polyamine salts as clay stabilizing agents

#1331
20080108522
2008-05-08

Use of anionic surfactants as hydration aid for fracturing fluids

#1332
20080108521
2008-05-08

Oil well fracturing fluids

#1333
20080108520
2008-05-08

Method of plugging fractured formation

#1334
20080103070
2008-05-01

Ortho ester breakers for viscoelastic surfactant gels and associated methods

#1335
20080103069
2008-05-01

Ortho ester breakers for viscoelastic surfactant gels and associated methods

#1336
20080103066
2008-05-01

Use of mineral oils to reduce fluid loss for viscoelastic surfactant gelled fluids

#1337
20080099207
2008-05-01

Oxidative systems for breaking polymer viscosified fluids

#1338
20080093073
2008-04-24

Degradable material assisted diversion

#1339
20080087432
2008-04-17

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

#1340
20080087429
2008-04-17

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

#1341
20080085842
2008-04-10

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

#1342
20080081771
2008-04-03

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

#1343
20080078548
2008-04-03

Methods of fracturing a subterranean formation using a jetting tool and a viscoelastic surfactant fluid to minimize formation damage

#1344
20080078546
2008-04-03

Surfactant-based fluid loss control agents for surfactant gels and associated fluids and methods

#1345
20080076681
2008-03-27

Shale hydration inhibition agent and method of use

#1346
20080070813
2008-03-20

Oxidative internal breaker for viscoelastic surfactant fluids

#1347
20080070810
2008-03-20

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

#1348
20080070809
2008-03-20

Internal breaker for oilfield fluids

#1349
20080070806
2008-03-20

Oxidative internal breaker system with breaking activators for viscoelastic surfactant fluids

#1350
20080066916
2008-03-20

Acidic internal breaker for viscoelastic surfactant fluids in brine

#1351
20080064614
2008-03-13

Friction reduction fluids

#1352
20080064064
2008-03-13

Mannanases

#1353
20080060812
2008-03-13

Fluid loss control agents for viscoelastic surfactant fluids

#1354
20080060809
2008-03-13

High porosity fractures and methods of creating high porosity fractures

#1355
20080058576
2008-03-06

Method for generating fracturing water

#1356
20080051551
2008-02-28

Compositions and methods for improving the productivity of hydrocarbon producing wells using a non-ionic fluorinated polymeric surfactant

#1357
20080051302
2008-02-28

Nano-sized particles for stabilizing viscoelastic surfactant fluids

#1358
20080051300
2008-02-28

Compositions and method for improving the productivity of hydrocarbon producing wells

#1359
20080045422
2008-02-21

Subterranean treatment fluids, friction reducing copolymers, and associated methods

#1360
20080039347
2008-02-14

Treatment fluids comprising clarified xanthan and associated methods

#1361
20080039345
2008-02-14

Shale inhibition additive for oil/gas down hole fluids and methods for making and using same

#1362
20080035340
2008-02-14

Composition and method relating to the prevention and remediation of surfactant gel damage

#1363
20080035339
2008-02-14

Composition and method relating to the prevention and remediation of surfactant gel damage

#1364
20080035338
2008-02-14

Dual functional components and associated methods

#1365
20080035337
2008-02-14

Silicone-tackifier matrixes and methods of use thereof

#1366
20080029266
2008-02-07

Biocide for well stimulation and treatment fluids

#1367
20080026957
2008-01-31

Treatment and Production of Subterranean Formations with Heteropolysaccharides

#1368
20080023201
2008-01-31

Concentrated suspension of particulate additives for fracturing and other fluids

#1369
20080017376
2008-01-24

Swellable elastomers and associated methods

#1370
20080015120
2008-01-17

Application of degradable polymers in sand control

#1371
20080015119
2008-01-17

Methods of treating particulates and use in subterranean formations

#1372
20080011477
2008-01-17

Well treating materials comprising coated proppants, and methods

#1373
20080011476
2008-01-17

Methods for coating particulates with tackifying compounds

#1374
20080009423
2008-01-10

Self-degrading fibers and associated methods of use and manufacture

#1375
20080004189
2008-01-03

EFFERVESCENT BIOCIDE COMPOSITIONS FOR OILFIELD APPLICATIONS

#1376
20080004188
2008-01-03

Method of thickening salt-containing media by adding methacrylate derivatives

#1377
20080004187
2008-01-03

Energized fluids and methods of use thereof

#1378
20080000638
2008-01-03

Proppant material and formation hydraulic fracturing method

#1379
20070299142
2007-12-27

Use of oil-soluble surfactants as breaker enhancers for VES-gelled fluids

#1380
20070298979
2007-12-27

Composition for denaturing and breaking down friction-reducing polymer and for destroying other oil well contaminants

#1381
20070298978
2007-12-27

Compositions and methods for controlling fluid loss

#1382
20070298977
2007-12-27

Degradable particulate generation and associated methods

#1383
20070289781
2007-12-20

Consolidating agent emulsions and associated methods

#1384
20070289743
2007-12-20

Degradable fiber systems for stimulation

#1385
20070284101
2007-12-13

Viscosity breaker for polyacrylamide friction reducers

#1386
20070281869
2007-12-06

Thermoviscoelastic system fluid and well treatment method

#1387
20070275862
2007-11-29

Oxidized guar for oilfield servicing fluids

#1388
20070267194
2007-11-22

Resin Compositions and Methods of Using Resin Compositions to Control Proppant Flow-Back

#1389
20070256838
2007-11-08

Fracturing fluids for use in oil and gas recovery operations

#1390
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

#1391
20070249985
2007-10-25

Device and method for establishing an artificial arterio-venous fistula

#1392
20070249505
2007-10-25

Viscoelastic Surfactant Fluids and Related Methods of Use

#1393
20070248531
2007-10-25

Generation of hydrogen from hydrocarbon bearing materials

#1394
20070244015
2007-10-18

Use of Glycols and Polyols to Stabilize Viscoelastic Surfactant Gelled Fluids

#1395
20070244014
2007-10-18

Subterranean treatment fluids with improved fluid loss control

#1396
20070238624
2007-10-11

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

#1397
20070225176
2007-09-27

Use of fluorocarbon surfactants to improve the productivity of gas and gas condensate wells

#1398
20070225175
2007-09-27

Application of degradable polymers in well fluids

#1399
20070215354
2007-09-20

Methods of coating particulates

#1400
20070213232
2007-09-13

Viscoelastic Surfactant Gels With Reduced Salt Concentration

#1401
20070213230
2007-09-13

Fast dissolving hydroxyalkyl guar derivatives

#1402
20070207933
2007-09-06

Treatment fluids comprising friction reducers and antiflocculation additives and associated methods

#1403
20070204996
2007-09-06

Treatment fluids comprising friction reducers and antiflocculation additives and associated methods

#1404
20070193746
2007-08-23

Method of hydraulic fracturing to reduce unwanted water productions

#1405
20070187097
2007-08-16

Consolidating agent emulsions and associated methods

#1406
20070181302
2007-08-09

METHOD FOR THE FRACTURE STIMULATION OF A SUBTERRANEAN FORMATION HAVING A WELLBORE BY USING THERMOSET POLYMER NANOCOMPOSITE PARTICLES AS PROPPANTS, WHERE SAID PARTICLES ARE PREPARED BY USING FORMULATIONS CONTAINING REACTIVE INGREDIENTS OBTAINED OR DERIVED FROM RENEWABLE FEEDSTOCKS

#1407
20070173867
2007-07-26

Device and method for establishing an artificial arterio-venous fistula

#1408
20070173414
2007-07-26

Well drilling fluids having clay control properties

#1409
20070173412
2007-07-26

Lost circulation compositions

#1410
20070161515
2007-07-12

Method for the fracture stimulation of a subterranean formation having a wellbore by using impact-modified thermoset polymer nanocomposite particles as proppants

#1411
20070151726
2007-07-05

Methods and compositions for diverting acid fluids in wellbores

#1412
20070135313
2007-06-14

Water-based polymers for use as friction reducers in aqueous treatment fluids

#1413
20070135312
2007-06-14

Solvent free fluidized polymer suspensions for oilfield servicing fluids

#1414
20070131425
2007-06-14

Aggregating reagents, modified particulate metal-oxides, and methods for making and using same

#1415
20070131423
2007-06-14

Method of extracting hydrocarbons

#1416
20070129262
2007-06-07

Viscoelastic surfactant rheology modification

#1417
20070125542
2007-06-07

High temperature gellant in low and high density brines

#1418
20070123433
2007-05-31

Treatment fluids and methods using zeolite and a delayed release acid for treating a subterranean formation

#1419
20070123432
2007-05-31

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

#1420
20070123431
2007-05-31

Polymer hydration method using microemulsions

#1421
20070117723
2007-05-24

Bromine-based sulfamate stabilized breaker composition and process

#1422
20070114035
2007-05-24

Method and composition of preparing polymeric fracturing fluids

#1423
20070114028
2007-05-24

Fracturing of subterranean formations

#1424
20070111897
2007-05-17

Composition and method for thickening heavy aqueous brines with cationic guar

#1425
20070111896
2007-05-17

Viscoelastic cationic carbohydrate ether compositions

#1426
20070087941
2007-04-19

Storable fracturing suspensions containing ultra lightweight proppants in xanthan based carriers and methods of using the same

#1427
20070079965
2007-04-12

Methods for enhancing aqueous fluid recovery form subterranean formations

#1428
20070072776
2007-03-29

Polyols for breaking of fracturing fluid

#1429
20070066493
2007-03-22

Orthoester-based surfactants and associated methods

#1430
20070066492
2007-03-22

Orthoester-based surfactants and associated methods

#1431
20070060482
2007-03-15

Methods and compositions for controlling the viscosity of viscoelastic surfactant fluids

#1432
20070056737
2007-03-15

Use of mineral oils, hydrogenated polyalphaolefin oils and saturated fatty acids for breaking ves-gelled fluids

#1433
20070056736
2007-03-15

Methods and compositions for controlling the viscosity of viscoelastic surfactant fluids

#1434
20070044958
2007-03-01

Well operating elements comprising a soluble component and methods of use

#1435
20070042913
2007-02-22

Wellbore treatment compositions containing foam extenders and methods of use thereof

#1436
20070042912
2007-02-22

Delayed tackifying compositions and associated methods involving controlling particulate migration

#1437
20070039733
2007-02-22

Delayed tackifying compositions and associated methods involving controlling particulate migration

#1438
20070037713
2007-02-15

Methods and compositions for reducing the viscosity of treatment fluids used in subterranean operations

#1439
20070034376
2007-02-15

Methods and compositions for reducing the viscosity of treatment fluids used in subterranean operations

#1440
20070032386
2007-02-08

Internal breaker for oilfield treatments

#1441
20070029087
2007-02-08

Methods for controlling water and sand production in subterranean wells

#1442
20070012445
2007-01-18

Methods for controlling water and sand production in subterranean wells

#1443
20070007009
2007-01-11

Methods of well stimulation and completion

#1444
20060289164
2006-12-28

Clay control additive for wellbore fluids

#1445
20060283592
2006-12-21

Method useful for controlling fluid loss in subterranean formations

#1446
20060283591
2006-12-21

Method of using degradable fiber systems for stimulation

#1447
20060281167
2006-12-14

Bacteria-based and enzyme-based mechanisms and products for viscosity reduction breaking of viscoelastic fluids

#1448
20060278389
2006-12-14

Fluid loss additive for enhanced fracture clean-up

#1449
20060276346
2006-12-07

Fluid system having controllable reversible viscosity

#1450
20060272816
2006-12-07

Proppants Useful for Prevention of Scale Deposition

#1451
20060266522
2006-11-30

Methods useful for controlling fluid loss during sand control operations

#1452
20060264333
2006-11-23

Methods to increase recovery of treatment fluid following stimulation of a subterranean formation comprising in situ fluorocarbon coated particles

#1453
20060264332
2006-11-23

Methods of using reactive surfactants in subterranean operations

#1454
20060260813
2006-11-23

Methods of using reactive surfactants in subterranean operations

#1455
20060260810
2006-11-23

Methods of modifying fracture faces and other surfaces in subterranean formations

#1456
20060260808
2006-11-23

Methods of treating particulates and use in subterranean formations

#1457
20060258544
2006-11-16

Degradable surfactants and methods for use

#1458
20060258543
2006-11-16

Degradable surfactants and methods for use

#1459
20060258542
2006-11-16

Nonnatural galactomannans and methods of use

#1460
20060258541
2006-11-16

Clean-up additive for viscoelastic surfactant based fluids

#1461
20060254826
2006-11-16

Drilling method

#1462
20060254774
2006-11-16

Degradable surfactants and methods for use

#1463
20060254772
2006-11-16

High molecular weight polyamine salts as clay stabilizing agents

#1464
20060254771
2006-11-16

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

#1465
20060240994
2006-10-26

Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation

#1466
20060234874
2006-10-19

Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation

#1467
20060229231
2006-10-12

Rheology enhancers

#1468
20060211776
2006-09-21

Compositions and use of mono- and polyenoic acids for breaking VES-gelled fluids

#1469
20060211775
2006-09-21

Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids

#1470
20060206123
2006-09-14

Device and method for establishing an artificial arterio-venous fistula

#1471
20060205606
2006-09-14

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

#1472
20060196662
2006-09-07

Methods and compositions for servicing fluids comprising derivatized cellulose gelling agents

#1473
20060185850
2006-08-24

Methods of treating subterranean formations using derivatized gelling agents

#1474
20060185848
2006-08-24

Fracturing fluids comprising degradable diverting agents and methods of use in subterranean formations

#1475
20060185847
2006-08-24

Methods of placing treatment chemicals

#1476
20060185842
2006-08-24

Rheology modifiers

#1477
20060183646
2006-08-17

Viscoelastic surfactant fluids and associated methods

#1478
20060180310
2006-08-17

Viscoelastic surfactant fluids and associated methods

#1479
20060180309
2006-08-17

Viscoelastic surfactant fluids and associated diverting methods

#1480
20060180307
2006-08-17

Methods for preparing slurries of coated particulates

#1481
20060178276
2006-08-10

Energized fluids and methods of use thereof

#1482
20060169453
2006-08-03

Kickoff plugs comprising a self-degrading cement in subterranean well bores

#1483
20060169452
2006-08-03

Methods of directional drilling and forming kickoff plugs using self-degrading cement in subterranean well bores

#1484
20060169451
2006-08-03

Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations

#1485
20060169448
2006-08-03

Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations

#1486
20060166837
2006-07-27

Methods of treating subterranean formations with heteropolysaccharides based fluids

#1487
20060166836
2006-07-27

Energized fluids and methods of use thereof

#1488
20060157248
2006-07-20

Well treatment with dissolvable polymer

#1489
20060151173
2006-07-13

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

#1490
20060151172
2006-07-13

Methods of making and using sulfonated carboxylated polysaccharide gelling agents

#1491
20060148658
2006-07-06

Compositions for reducing the viscosity of treatment fluids

#1492
20060144592
2006-07-06

Methods for reducing the viscosity of treatment fluids

#1493
20060142165
2006-06-29

Methods and compositions for treating subterranean formations using sulfonated gelling agent polymers

#1494
20060137875
2006-06-29

Methods useful for controlling fluid loss in subterranean formations

#1495
20060128598
2006-06-15

Viscoelastic surfactant rheology modification

#1496
20060128597
2006-06-15

Viscoelastic surfactant rheology modification

#1497
20060124309
2006-06-15

Methods of controlling sand and water production in subterranean zones

#1498
20060118300
2006-06-08

Methods for improving low-quality proppant and method of using low-quality proppant in subterranean operations

#1499
20060118299
2006-06-08

Methods of controlling particulate segregation in slurries

#1500
20060116296
2006-06-01

Shale inhibition additive for oil/gas down hole fluids and methods for making and using same