ClassID:

135510

E21B33/13 - page 5 - CPC Classification

Classification description:

Sealing or packing boreholes or wells in the borehole Methods or devices for cementing, for plugging holes, crevices, or the like

Recent Application in this class:
#1201
20110100625
2011-05-05

METHOD FOR FORMING AN ISOLATING PLUG

#1202
20110088901
2011-04-21

Method for Plugging Wells

#1203
20110067869
2011-03-24

In situ decomposition of carbonyls at high temperature for fixing incomplete and failed well seals

#1204
20110056690
2011-03-10

Well Repair Using Swellable Material in a Remedial Matrix

#1205
20110056685
2011-03-10

Wellbore servicing compositions and methods of making and using same

#1206
20110042087
2011-02-24

Shot perforator device and method for water well bore decommissioning

#1207
20110024195
2011-02-03

Drilling with a high pressure rotating control device

#1208
20110011591
2011-01-20

Temporary fluid diversion agents for use in geothermal well applications

#1209
20110011576
2011-01-20

Acoustic generator and associated methods and well systems

#1210
20110005310
2011-01-13

Methods for contacting a surface with a fluid containing a marker to determine the wettability of the surface

#1211
20110000668
2011-01-06

Through tubing cable rotary system

#1212
20100319916
2010-12-23

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

#1213
20100314119
2010-12-16

Apparatus and methods for well-bore wall surface finishing

#1214
20100314111
2010-12-16

Cement compositions comprising particulate foamed elastomers and associated methods

#1215
20100307747
2010-12-09

Engineered fibers for well treatments

#1216
20100296359
2010-11-25

System and method for facilitating well servicing operations

#1217
20100270016
2010-10-28

Compositions and Methods for Servicing Subterranean Wells

#1218
20100246312
2010-09-30

System, method and apparatus for entraining air in concrete

#1219
20100236780
2010-09-23

Controlling the pressure within an annular volume of a wellbore

#1220
20100200222
2010-08-12

Method and apparatus for performing cementing operations

#1221
20100193057
2010-08-05

Discharge arm assembly for pumping units

#1222
20100186949
2010-07-29

Assembly for Controlled Delivery of Downhole Treatment Fluid

#1223
20100170682
2010-07-08

INFLATABLE PACKER ASSEMBLY

#1224
20100163237
2010-07-01

Degradable cement compositions containing degrading materials and methods of cementing in wellbores

#1225
20100163236
2010-07-01

Controlling the pressure within an annular volume of a wellbore

#1226
20100137473
2010-06-03

Aqueous resin compositions and methods for cement repair

#1227
20100126724
2010-05-27

Method and apparatus for isolating a jet forming aperture in a well bore servicing tool

#1228
20100116504
2010-05-13

Casing annulus tester for diagnostics and testing of a wellbore

#1229
20100113310
2010-05-06

Elastic hollow particles for annular pressure buildup mitigation

#1230
20100101785
2010-04-29

Hydraulic System and Method of Monitoring

#1231
20100096138
2010-04-22

Controlling the pressure within an annular volume of a wellbore

#1232
20100096133
2010-04-22

Method for sealing pipe in a well

#1233
20100084135
2010-04-08

Method for stage-cementing an oil well

#1234
20100083649
2010-04-08

Configurable hydraulic system

#1235
20100078173
2010-04-01

Downhole device actuator and method

#1236
20100071899
2010-03-25

Wellsite surface equipment systems

#1237
20100066153
2010-03-18

Methods for constructing underground borehole configurations and related solution mining methods

#1238
20100051275
2010-03-04

Methods of activating compositions in subterranean zones

#1239
20100051266
2010-03-04

Use of micro-electro-mechanical systems MEMS in well treatments

#1240
20100051264
2010-03-04

METHOD AND SYSTEM FOR MONITORING DOWNHOLE COMPLETION OPERATIONS

#1241
20100044039
2010-02-25

Geothermal well diversion agent formed from in situ decomposition of carbonyls at high temperature

#1242
20100038096
2010-02-18

Downhole tool with slip releasing mechanism

#1243
20100025036
2010-02-04

Method and apparatus for selective treatment of a perforated casing

#1244
20100006289
2010-01-14

METHOD AND APPARATUS FOR SEALING ABANDONED OIL AND GAS WELLS

#1245
20090321087
2009-12-31

EXPANDABLE PLUG

#1246
20090321074
2009-12-31

MECHANICALLY MODIFIED FILTER CAKE

#1247
20090305044
2009-12-10

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

#1248
20090294133
2009-12-03

Injection Apparatus and Method

#1249
20090286698
2009-11-19

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

#1250
20090277636
2009-11-12

System and method for perforated well sand control

#1251
20090255674
2009-10-15

Sealing by ball sealers

#1252
20090250227
2009-10-08

System and method for plugging a side pocket mandrel using a swelling plug

#1253
20090241803
2009-10-01

Oil and gas well cement systems using elemental sulfur

#1254
20090229813
2009-09-17

System for injecting a substance into an annular space

#1255
20090220303
2009-09-03

Underground sequestration system and method

#1256
20090205828
2009-08-20

Production and delivery of a fluid mixture to an annular volume of a wellbore

#1257
20090145601
2009-06-11

Technique and apparatus to deploy a cement plug in a well

#1258
20090133878
2009-05-28

Controlling the pressure within an annular volume of a wellbore

#1259
20090120643
2009-05-14

Method of blocking water-out zone in a gas well by dumping cement and injecting pressurizing gas

#1260
20090120640
2009-05-14

Methods of integrating analysis, auto-sealing, and swellable-packer elements for a reliable annular seal

#1261
20090090516
2009-04-09

TUBULAR LINER

#1262
20090056946
2009-03-05

WELL REMEDIATION USING DOWNHOLE SLURRY

#1263
20090032257
2009-02-05

Method and apparatus for consolidating a wellbore

#1264
20090032255
2009-02-05

Apparatus for isolating a jet forming aperture in a well bore servicing tool

#1265
20090032252
2009-02-05

Degradable cement compositions containing degrading materials and methods of cementing in wellbores

#1266
20080289826
2008-11-27

Downhole Slurry Method For Primary Cementing A Well

#1267
20080289825
2008-11-27

Downhole Mixing Of Encapsulated Plug Components For Primary Cementing A Well

#1268
20080289824
2008-11-27

Primary Well Cementing With Downhole Mixed Epoxy

#1269
20080289812
2008-11-27

SYSTEM FOR DOWNHOLE PACKING

#1270
20080277117
2008-11-13

SURFACED MIXED EPOXY METHOD FOR ABANDONING WELL

#1271
20080264638
2008-10-30

Surfaced mixed epoxy method for primary cementing of a well

#1272
20080264637
2008-10-30

Surface Mixing of Encapsulated Plug Components for Well Remediationg

#1273
20080245527
2008-10-09

Use of a chopper mechanism to add fibers to a well

#1274
20080223576
2008-09-18

Controlling pressure and static charge build up within an annular volume of a welllbore

#1275
20080210429
2008-09-04

System and method for stimulating multiple production zones in a wellbore

#1276
20080185158
2008-08-07

Swellable packer with enhanced sealing capability

#1277
20080149328
2008-06-26

Method and product to consolidate a formation

#1278
20080114554
2008-05-15

Process control architecture with hydrodynamic correction

#1279
20080017377
2008-01-24

WELL FLUID FORMULATION AND METHOD

#1280
20070272405
2007-11-29

Ribbed sealing element and method of use

#1281
20070249504
2007-10-25

Aqueous gels for well bore strengthening

#1282
20070227733
2007-10-04

Method of sealing an annulus surrounding a slotted liner

#1283
20070215352
2007-09-20

Subsurface safety valve with closure provided by the flowing medium

#1284
20070209797
2007-09-13

System for injecting a substance into an annular space

#1285
20070163783
2007-07-19

Method of abandoning a well

#1286
20070158082
2007-07-12

System and method for cementing through a safety valve

#1287
20070137826
2007-06-21

Creating a well abandonment plug

#1288
20070114034
2007-05-24

Controlling pressure and static charge build up within an annular volume of a wellbore

#1289
20070114033
2007-05-24

Controlling the pressure within an annular volume of a wellbore

#1290
20070100029
2007-05-03

Cement compositions containing degradable materials and methods of cementing in subterranean formations

#1291
20070089909
2007-04-26

MECHANICALLY MODIFIED FILTER CAKE

#1292
20070066491
2007-03-22

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

#1293
20070044963
2007-03-01

System and method for controlling undesirable fluid incursion during hydrocarbon production

#1294
20070017675
2007-01-25

Methods and apparatus for completing a well

#1295
20070012446
2007-01-18

Earth loop installed with sonic apparatus

#1296
20060231251
2006-10-19

Well fluids and methods of use in subterranean formations

#1297
20060221762
2006-10-05

Fluid mixing system

#1298
20060219401
2006-10-05

Apparatus and method for sensing downhole parameters

#1299
20060207765
2006-09-21

Method and apparatus for cementing production tubing in a multilateral borehole

#1300
20060175056
2006-08-10

Instrumented packer

#1301
20060144593
2006-07-06

Methods of sequentially injecting different sealant compositions into a wellbore to improve zonal isolation

#1302
20060144591
2006-07-06

Method and apparatus for repair of wells utilizing meltable repair materials and exothermic reactants as heating agents

#1303
20060060353
2006-03-23

Earth loop installed with sonic apparatus

#1304
20060042801
2006-03-02

Isolation device and method

#1305
20060039842
2006-02-23

Methods for constructing underground borehole configurations and related solution mining methods

#1306
20050263282
2005-12-01

Well abandonment apparatus

#1307
20050252662
2005-11-17

Apparatus and method for expanding a tubular

#1308
20050205258
2005-09-22

Cement compositions containing degradable materials and methods of cementing in subterranean formations

#1309
20050199390
2005-09-15

Apparatus and methods for sealing voids in a subterranean formation

#1310
20050194144
2005-09-08

Well fluids and methods of use in subterranean formations

#1311
20050194143
2005-09-08

One trip perforating, cementing, and sand management apparatus and method

#1312
20050178561
2005-08-18

Ribbed sealing element and method of use

#1313
20050139353
2005-06-30

Earth loop installation with sonic drilling

#1314
20050127673
2005-06-16

Tubing seal

#1315
20050124501
2005-06-09

Sealant compositions and methods of using the same to isolate a subterranean zone from a disposal well

#1316
20050109511
2005-05-26

Oil and gas well alloy squeezing method and apparatus

#1317
20050109507
2005-05-26

Methods of using cement compositions having long-term slurry-state stability

#1318
20050038127
2005-02-17

Storable water-silica suspensions and methods

#1319
19051298
2026-03-31

Process for cementing a portion of a wellbore using a red mud cement composition

#1320
18892431
2025-11-11

Device for real-time monitoring movement trajectory of mine roof strata and method thereof

#1321
18679569
2025-10-14

Pulse generation of viscous fluids with a mud motor

#1322
18629546
2025-05-13

Ultra-compact coiled tubing (UCCT) operations for geothermal field construction

#1323
18600416
2024-10-29

Method for repairing aquifer in coal mine area

#1324
18416433
2025-03-04

Isolation device with multiple pressure stages to isolate well interval

#1325
18408861
2025-07-08

Method and apparatus for delivering and setting a eutectic alloy plug to cure loss-of-circulation in drilling applications

#1326
18332606
2023-10-10

Method for blocking mine water inrush

#1327
18124587
2023-10-03

Segmented grouting method for ramp drivage in aquifer

#1328
17852655
2023-04-11

Modular downhole plug tool

#1329
17730031
2022-10-04

Filling bag and sealing method for drilled hole for detection in three zones of overburden

#1330
17305475
2022-11-22

Temporary wellbore barrier using ferromagnetic fluid

#1331
17035600
2025-11-25

Water usage monitor and tracking

#1332
16579116
2020-09-15

Method and system for microannulus sealing by galvanic deposition

#1333
16576745
2020-11-03

Fracing apparatus and methodology using pressure-sensing diverters

#1334
16563479
2020-08-25

Wellbore servicing composition with controlled gelation of cement kiln dust and methods of making and using same

#1335
16561927
2020-07-28

Sphere-shaped lost circulation material (LCM) having hooks and latches

#1336
16442807
2021-12-21

Stage packer shoe with a metal cup system and method of use

#1337
16272699
2020-04-07

Stimulating u-shape wellbores

#1338
16154662
2019-03-19

Gel plugging slurry for well drilling and preparation method thereof, and slug plugging method

#1339
16137962
2019-05-14

Settable, form-filling loss circulation control compositions comprising in situ foamed non-hydraulic sorel cement systems and method of use

#1340
16137911
2019-05-14

Settable, form-filling loss circulation control compositions comprising in situ foamed non-hydraulic sorel cement systems and method of use

#1341
16023155
2019-11-19

Cement spacer fluid comprising quaternary surfactant, viscosifier, and proppant

#1342
15879179
2019-04-16

Settable, form-filling loss circulation control compositions comprising in situ foamed calcium aluminate cement systems and methods of using them

#1343
15879169
2018-12-11

Settable, form-filling loss circulation control compositions comprising in situ foamed non-hydraulic sorel cement systems and method of use

#1344
15870489
2019-02-12

Cement compositions comprising high viscosity elastomers on a solid support

#1345
15692879
2017-11-07

Correlating energy to mix cement slurry under different mixing conditions

#1346
15439198
2020-06-23

Downhole plug