ClassID:

135591

E21B43/04 - page 2 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells; Subsoil filtering Gravelling of wells

Recent Application in this class:
#301
20160245045
2016-08-25

Tubless proppant blending system for high and low pressure blending

#302
20160237783
2016-08-18

Activated reverse-out valve

#303
20160237772
2016-08-18

Wellbore fluids comprising hydrated inorganic oxide materials and associated methods

#304
20160237338
2016-08-18

Pretreatment of Subterranean Formations for Dendritic Fracturing

#305
20160237336
2016-08-18

Dual breaker system for reducing formation damage during fracturing

#306
20160230072
2016-08-11

Gellable treatment fluids with clay-based gel retarders and related methods

#307
20160230065
2016-08-11

Dual-purpose viscosifier and surface active additives and methods of use

#308
20160229797
2016-08-11

Low pH metal-free preparation of aminated organic acid

#309
20160222281
2016-08-04

Light weight proppant with improved strength and methods of making same

#310
20160208567
2016-07-21

Methods For Servicing Subterranean Wells

#311
20160201442
2016-07-14

Leakoff mitigation treatment utilizing self degrading materials prior to re-fracture treatment

#312
20160168965
2016-06-16

Compositions and methods for treating a subterranean formation

#313
20160168923
2016-06-16

Helical control line connector for connecting to a downhole completion receptacle

#314
20160160615
2016-06-09

Well screen assembly including an erosion resistant screen section

#315
20160160112
2016-06-09

Invert emulsion gravel pack fluid and method

#316
20160152885
2016-06-02

Method of applying solvent treatments using emulsions

#317
20160123116
2016-05-05

Systems and methods for managing debris in a well

#318
20160108697
2016-04-21

Mixing and injecting fiber-based stimulation fluids

#319
20160108303
2016-04-21

Viscoelastic surfactants in mixed brines

#320
20160102525
2016-04-14

Gravel pack service tool used to set a packer

#321
20160102236
2016-04-14

Hydrophobically and hydrophilically modified polysaccharides and methods of using the same for treatment of a subterranean formation

#322
20160083644
2016-03-24

Fracturing or gravel-packing fluid with CMHEC in brine

#323
20160069155
2016-03-10

High strength dissolvable compositions for use in subterranean wells

#324
20160061011
2016-03-03

Apparatus and methods for oriented-fracturing of formations

#325
20160024894
2016-01-28

Completion System

#326
20160024888
2016-01-28

Method and device for cleaning control particles in a wellbore

#327
20160003014
2016-01-07

Exterior drain tube for well screen assemblies

#328
20160003013
2016-01-07

Multi-zone single treatment gravel pack system

#329
20150377009
2015-12-31

Sensor activated downhole tool location

#330
20150376999
2015-12-31

DOWNHOLE POLYMER FOAM APPLICATIONS

#331
20150376494
2015-12-31

Multi-component materials for breaker activity control

#332
20150369019
2015-12-24

Method for stabilizing a cavity in a well

#333
20150361765
2015-12-17

Misalignment in coupling shunt tubes of well screen assemblies

#334
20150361322
2015-12-17

Method for Enhancing Fiber Bridging

#335
20150354344
2015-12-10

Method and system to quantify damage to gravel pack screens

#336
20150322765
2015-11-12

Real time tool erosion prediction monitoring

#337
20150322328
2015-11-12

COLLOIDAL HIGH ASPECT RATIO NANOSILICA ADDITIVES IN SEALANTS AND METHODS RELATING THERETO

#338
20150300139
2015-10-22

Method of using sophorolipids in well treatment operations

#339
20150300132
2015-10-22

Tubular flow control apparatus and method of packing particulates using a slurry

#340
20150300131
2015-10-22

Self-degradable hydraulic diversion systems and methods for making and using same

#341
20150299559
2015-10-22

Folded or crumpled proppants with increased material strength for hydraulic fracturing, gravel packing and frac packing

#342
20150292294
2015-10-15

Apparatus and method for isolating fluid flow in an open hole completion

#343
20150291872
2015-10-15

Activators for use in the viscosification of non-aqueous fluids

#344
20150285039
2015-10-08

Expandable well screens with slurry delivery shunt conduits

#345
20150285038
2015-10-08

Wellbore apparatus and method for sand control using gravel reserve

#346
20150267520
2015-09-24

Hydrophobically modified amine-containing polymers for mitigating scale buildup

#347
20150267518
2015-09-24

Isolation packer with automatically closing alternate path passages

#348
20150267517
2015-09-24

Isolation packer with automatically closing alternate path passages

#349
20150267498
2015-09-24

Mechanically-set devices placed on outside of tubulars in wellbores

#350
20150233216
2015-08-20

Shunt tube connections for wellscreen assembly

#351
20150232743
2015-08-20

ALKALINE PERSULFATE FOR LOW-TEMPERATURE BREAKING OF MULTI-CHAIN POLYMER VISCOSIFIED FLUID

#352
20150225637
2015-08-13

Wellbore fluids and method of use

#353
20150218916
2015-08-06

Gravel pack circulating sleeve with locking features

#354
20150218915
2015-08-06

Gravel packing screen joints

#355
20150218909
2015-08-06

Downhole flow control, joint assembly and method

#356
20150211348
2015-07-30

H2S Removal Using Scavenging Material for Gravel Pack

#357
20150211334
2015-07-30

Activated reverse-out valve

#358
20150204155
2015-07-23

Dual barrier open water well completion systems

#359
20150198016
2015-07-16

System and methodology for forming gravel packs

#360
20150197686
2015-07-16

Treatment fluids comprising viscosifying agents and methods of using the same

#361
20150192001
2015-07-09

High-rate injection screen assembly with checkable ports

#362
20150191640
2015-07-09

HIGH-TEMPERATURE HIGH-PRESSURE RESERVOIR DRILLING FLUID

#363
20150184062
2015-07-02

Methods of using invert emulsion fluids with high internal phase concentration

#364
20150176364
2015-06-25

Downhole isolation methods and apparatus therefor

#365
20150175871
2015-06-25

BREAKER FLUID

#366
20150136391
2015-05-21

Gravel packing apparatus having a jumper tube protection assembly

#367
20150129213
2015-05-14

Methods of treating subterranean formations with fluids comprising proppant containing particle

#368
20150129207
2015-05-14

METHODS UTILIZING POLYAMIDE-POLY(PHENYLENE ETHER) COMPOSITIONS

#369
20150129194
2015-05-14

Gravel packing apparatus having optimized fluid handling

#370
20150101805
2015-04-16

Viscoelastic surfactant based wellbore fluids and methods of use

#371
20150075789
2015-03-19

Boronated biopolymer crosslinking agents and methods relating thereto

#372
20150075788
2015-03-19

Apparatus and methods for locating a particular location in a wellbore for performing a wellbore operation

#373
20150075780
2015-03-19

Multi-zone completion systems and methods

#374
20150068743
2015-03-12

Multi-zone bypass packer assembly for gravel packing boreholes

#375
20150047848
2015-02-19

Method of reducing dust with particulates coated with a polycationic polymer

#376
20150047841
2015-02-19

Conformable materials containing heat transfer nanoparticles and devices made using same

#377
20150041130
2015-02-12

System and method for actuating downhole packers

#378
20150041121
2015-02-12

OUTWARD VENTING OF INFLOW TRACER IN PRODUCTION WELLS

#379
20150027701
2015-01-29

Methods of using oleaginous fluids for completion operations

#380
20150027700
2015-01-29

Sand control system and methodology

#381
20140367101
2014-12-18

Protected scale inhibitors and methods relating thereto

#382
20140332211
2014-11-13

Shunt tube connection assembly and method

#383
20140326452
2014-11-06

Hydrolyzable particle compositions, treatment fluids and methods

#384
20140318775
2014-10-30

Compositions and methods for use of proppant surface chemistry to improve proppant consolidation and flowback control

#385
20140313855
2014-10-23

Acoustic generator and associated methods and well systems

#386
20140309149
2014-10-16

Dual function proppants

#387
20140299310
2014-10-09

Gravel packing apparatus having a rotatable slurry delivery subassembly

#388
20140262332
2014-09-18

Shunt tube connections for wellscreen assembly

#389
20140262260
2014-09-18

Sand control screen having improved reliability

#390
20140262208
2014-09-18

Shunt tube connection and distribution assembly and method

#391
20140251609
2014-09-11

Assembly for toe-to-heel gravel packing and reverse circulating excess slurry

#392
20140238657
2014-08-28

Erosion ports for shunt tubes

#393
20140231097
2014-08-21

Securing connections in alternate path well screens

#394
20140231083
2014-08-21

Fluid filtering device for a wellbore and method for completing a wellbore

#395
20140231082
2014-08-21

Methods and compositions for treating subterranean formations with interlocking lost circulation materials

#396
20140224486
2014-08-14

Gravel packer assembly and method

#397
20140224485
2014-08-14

Invert emulsion gravel pack fluid and method

#398
20140202695
2014-07-24

Treatment fluids comprising stabilized heteropolysaccharides and related methods

#399
20140202694
2014-07-24

Produced sand gravel pack process

#400
20140158373
2014-06-12

Gravel packing apparatus having locking jumper tubes

#401
20140151042
2014-06-05

Chelate Compositions And Methods And Fluids For Use In Oilfield Operations

#402
20140116678
2014-05-01

Inwardly swelling seal

#403
20140110132
2014-04-24

Gravel packing apparatus having a rotatable slurry delivery subassembly

#404
20140110131
2014-04-24

Gravel packing apparatus having a jumper tube protection assembly

#405
20140083766
2014-03-27

Single trip multi-zone completion systems and methods

#406
20140083682
2014-03-27

Single trip multi-zone completion systems and methods

#407
20140076580
2014-03-20

Alternative path gravel pack system and method

#408
20140069645
2014-03-13

Methods to deliver fluids on a well site with variable solids concentration from solid slurries

#409
20140069627
2014-03-13

Resilient downhole flow restrictor

#410
20140048262
2014-02-20

Methods for Pillar Placement in Fracturing

#411
20140034336
2014-02-06

Methods and systems for treating a wellbore

#412
20140027115
2014-01-30

Pipe-in-pipe shunt tube assembly

#413
20140024562
2014-01-23

High solids content slurries, systems and methods

#414
20140014337
2014-01-16

Single trip gravel pack system and method

#415
20140014314
2014-01-16

Shunt tube connection assembly and method

#416
20140008066
2014-01-09

Shunt tube assembly entry device

#417
20140008052
2014-01-09

Resettable selective locking device

#418
20130341006
2013-12-26

Dehydrator screen for downhole gravel packing

#419
20130341005
2013-12-26

Downhole method and apparatus

#420
20130333887
2013-12-19

Washpipe isolation valve and associated systems and methods

#421
20130327542
2013-12-12

Jumper tube locking assembly and method

#422
20130319666
2013-12-05

Gravel packing method for multilateral well prior to locating a junction

#423
20130312960
2013-11-28

Shunt isolation valve

#424
20130306313
2013-11-21

Washpipe isolation valve and associated systems and methods

#425
20130292109
2013-11-07

Use of PNC tools to determine the depth and relative location of proppant in fractures and the near borehole region

#426
20130284436
2013-10-31

METHOD OF PROVIDING AN ANNULAR SEAL, AND WELLBORE SYSTEM

#427
20130281330
2013-10-24

High solids content methods and slurries

#428
20130277053
2013-10-24

Wellbore apparatus and methods for multi-zone well completion, production and injection

#429
20130277052
2013-10-24

Swellable packer in hookup nipple

#430
20130277051
2013-10-24

One trip treatment system with zonal isolation

#431
20130255946
2013-10-03

Method for single trip fluid isolation

#432
20130248179
2013-09-26

Packer for alternate flow channel gravel packing and method for completing a wellbore

#433
20130248172
2013-09-26

Communications module for alternate path gravel packing, and method for completing a wellbore

#434
20130233541
2013-09-12

Apparatus and method for providing an alternate flow path in isolation devices

#435
20130220635
2013-08-29

Rotating and translating shunt tube assembly

#436
20130220606
2013-08-29

Screen assembly

#437
20130206394
2013-08-15

Downhole screen with exterior bypass tubes and fluid interconnections at tubular joints therefore

#438
20130199782
2013-08-08

Gravel and fracture packing using fibers

#439
20130192835
2013-08-01

Method of reducing dust with self-assembly composites

#440
20130180709
2013-07-18

Well Completion Apparatus, System and Method

#441
20130161000
2013-06-27

Downhole isolation methods and apparatus therefor

#442
20130140041
2013-06-06

Selectively disengagable sealing system

#443
20130133890
2013-05-30

ALKALINE PERSULFATE FOR LOW-TEMPERATURE BREAKING OF MULTI-CHAIN POLYMER VISCOSIFIED FLUID

#444
20130126187
2013-05-23

Entry tube system

#445
20130126162
2013-05-23

In-situ zonal isolation and treatment of wells

#446
20130118738
2013-05-16

Gravel pack assembly and method of use

#447
20130112409
2013-05-09

Proppant particulates and methods of using such particulates in subterranean applications

#448
20130105154
2013-05-02

Well treatment operations using a treatment agent coated with alternating layers of polyionic material

#449
20130098611
2013-04-25

Alkaline persulfate for low-temperature breaking of polymer viscosified fluid

#450
20130081810
2013-04-04

Methods of preventing premature fracturing of a subterranean formation using a sheath

#451
20130081800
2013-04-04

SCREEN ASSEMBLY AND METHODS OF USE

#452
20130056204
2013-03-07

Dual function proppants

#453
20130048280
2013-02-28

Systems and methods for gravel packing wells

#454
20130043381
2013-02-21

Method for detecting fractures and perforations in a subterranean formation

#455
20130037259
2013-02-14

Acoustic generator and associated methods and well systems

#456
20130032343
2013-02-07

Permeable material compacting method and apparatus

#457
20130009049
2013-01-10

Method for inspecting a subterranean tubular

#458
20130008652
2013-01-10

Gravel pack and sand disposal device

#459
20130008645
2013-01-10

Intelligent well system and method

#460
20130000899
2013-01-03

One trip toe-to-heel gravel pack and liner cementing assembly

#461
20120325482
2012-12-27

Alkaline persulfate for low-temperature breaking of multi-chain polymer viscosified fluid

#462
20120312558
2012-12-13

Methods of operating a radial flow valve

#463
20120279716
2012-11-08

Oil-Gas Well Structure for Facilitating Extracting a Downhole Filter String and Method for Extracting the String

#464
20120273196
2012-11-01

Segmental flow control method and apparatus for a flow control filter string in an oil-gas well

#465
20120247772
2012-10-04

Method of isolating and completing multiple zones within a wellbore

#466
20120247762
2012-10-04

Anti-channeling pack-off particles used in a production section of an oil-gas well, and completion method and production method using such particles

#467
20120247761
2012-10-04

Apparatus and method for completing wells using slurry containing a shape-memory material particles

#468
20120234555
2012-09-20

Wellbore method and apparatus for completion, production and injection

#469
20120217010
2012-08-30

Open-hole packer for alternate path gravel packing, and method for completing an open-hole wellbore

#470
20120211241
2012-08-23

Remotely operated production valve and method

#471
20120205095
2012-08-16

Wellbore method and apparatus for completion, production and injection

#472
20120205094
2012-08-16

Wellbore method and apparatus for completion, production and injection

#473
20120202921
2012-08-09

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

#474
20120202719
2012-08-09

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

#475
20120199346
2012-08-09

Completion assembly

#476
20120199342
2012-08-09

Wellbore method and apparatus for completion, production and injection

#477
20120189771
2012-07-26

On-the-fly coating of acid-releasing degradable material onto a particulate

#478
20120181024
2012-07-19

System and method for controlling formation fluid particulates

#479
20120179428
2012-07-12

System and method for completion optimization

#480
20120175113
2012-07-12

Controlled hydrostatic pressure completion system

#481
20120175112
2012-07-12

GRAVEL PACKING IN LATERAL WELLBORE

#482
20120168159
2012-07-05

Secondary flow path module, gravel packing system including the same, and method of assembly thereof

#483
20120165233
2012-06-28

Gravel pack fluid composition and emulsion therefor

#484
20120152538
2012-06-21

Compositions and methods relating to establishing circulation in stand-alone-screens without using washpipes

#485
20120138296
2012-06-07

High solids content slurries and methods

#486
20120132421
2012-05-31

Hydrolyzable particle compositions, treatment fluids and methods

#487
20120119077
2012-05-17

Method and apparatus for interrogating a subterranean annulus

#488
20120103631
2012-05-03

Gravel pack inner string adjustment device

#489
20120103608
2012-05-03

Gravel pack bypass assembly

#490
20120103607
2012-05-03

Method and apparatus for creating an annular barrier in a subterranean wellbore

#491
20120103606
2012-05-03

Gravel pack assembly for bottom up/toe-to-heel packing

#492
20120103603
2012-05-03

Gravel pack inner string hydraulic locating device

#493
20120090831
2012-04-19

Apparatus and methods for allowing fluid flow inside at least one screen and outside a pipe disposed in an well bore

#494
20120080188
2012-04-05

Multi-position valves for fracturing and sand control and associated completion methods

#495
20120067575
2012-03-22

Methods of using invert emulsion fluids with high internal phase concentration

#496
20120043079
2012-02-23

SAND CONTROL WELL COMPLETION METHOD AND APPARATUS

#497
20120034377
2012-02-09

Method for coating a filter medium of a sand control screen assembly

#498
20120031612
2012-02-09

Swellable Elastomer for Water Shut Off in Gravel Pack

#499
20120031611
2012-02-09

Erosion Migration Arrangement, Erodable Member and Method of Migrating a Slurry Flow Path

#500
20120024526
2012-02-02

Self-diverting high-rate water packs

#501
20120018153
2012-01-26

Systems and methods for providing zonal isolation in wells

#502
20120012312
2012-01-19

System and method for facilitating downhole operations

#503
20120006544
2012-01-12

Apparatus for depositing a slurry in a well

#504
20120000653
2012-01-05

High solids content slurry methods and systems

#505
20120000651
2012-01-05

High solids content slurry systems and methods

#506
20120000641
2012-01-05

High solids content slurries, systems and methods

#507
20110312858
2011-12-22

COMPOSITION AND METHODS FOR OILFIELD APPLICATION

#508
20110303420
2011-12-15

Method and apparatus for use with an inflow control device

#509
20110297376
2011-12-08

Sand control screen assembly having control line capture capability

#510
20110272143
2011-11-10

Sand production control through the use of magnetic forces

#511
20110266374
2011-11-03

Slurry outlet in a gravel packing assembly

#512
20110265985
2011-11-03

System and method for low damage gravel packing

#513
20110247816
2011-10-13

Method and Apparatus for Increasing Well Productivity

#514
20110247812
2011-10-13

Methods to gravel pack a well using expanding materials

#515
20110241897
2011-10-06

SYSTEM AND METHOD FOR REAL TIME DATA TRANSMISSION DURING WELL COMPLETIONS

#516
20110240290
2011-10-06

Shunt isolation valve

#517
20110203793
2011-08-25

Method of gravel packing multiple zones with isolation

#518
20110186286
2011-08-04

One trip retrieval of a multi-zone fracturing system

#519
20110174489
2011-07-21

Fracturing/gravel packing tool system with dual flow capabilities

#520
20110162840
2011-07-07

Wellbore method and apparatus for sand and inflow control during well operations

#521
20110160104
2011-06-30

Ceramic particles with controlled pore and/or microsphere placement and/or size and method of making same

#522
20110155372
2011-06-30

High solids content slurry methods

#523
20110155371
2011-06-30

High solids content slurries and methods

#524
20110155370
2011-06-30

DUAL COMPLETION STRING GRAVEL PACK SYSTEM AND METHOD

#525
20110146984
2011-06-23

Constant pressure open hole water packing system

#526
20110139465
2011-06-16

PACKING TUBE ISOLATION DEVICE

#527
20110132616
2011-06-09

Wellbore method and apparatus for completion, production and injection

#528
20110132599
2011-06-09

Apparatus for isolating and completing multi-zone frac packs

#529
20110132596
2011-06-09

Wellbore method and apparatus for completion, production and injection

#530
20110114312
2011-05-19

Method of forming self-diverting high-rate water packs

#531
20110105367
2011-05-05

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

#532
20110094732
2011-04-28

Vibrating system and method for use in sand control and formation stimulation in oil and gas recovery operations

#533
20110079389
2011-04-07

Method for treating well bore within a subterranean formation

#534
20110067863
2011-03-24

Slurry bypass system for improved gravel packing

#535
20110056686
2011-03-10

Flow rate dependent flow control device and methods for using same in a wellbore

#536
20110048725
2011-03-03

Isolation valve for subterranean use

#537
20110048723
2011-03-03

Multi-acting circulation valve

#538
20110048706
2011-03-03

Method of fracturing and gravel packing with a tool with a multi-position lockable sliding sleeve

#539
20110048705
2011-03-03

Fracturing and gravel packing tool with anti-swabbing feature

#540
20110048704
2011-03-03

Fracturing and gravel packing tool with upper annulus isolation in a reverse position without closing a wash pipe valve

#541
20110042064
2011-02-24

Fiber optic inner string position sensor system

#542
20110042061
2011-02-24

Fiber optic gravel distribution position sensor system

#543
20110030952
2011-02-10

Methods of gravel packing long interval wells

#544
20110017450
2011-01-27

METHOD FOR MAKING GRAVEL FILTERS IN OIL WELLS

#545
20110011576
2011-01-20

Acoustic generator and associated methods and well systems

#546
20100326658
2010-12-30

Method and composition to increase viscosity of crosslinked polymer fluids

#547
20100326654
2010-12-30

Monitoring downhole production flow in an oil or gas

#548
20100320652
2010-12-23

Methods of Making Particulates for Use in Subterranean Applications

#549
20100319917
2010-12-23

Methods of using particulates in subterranean operations

#550
20100319916
2010-12-23

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

#551
20100314125
2010-12-16

Stimulation technique for open hole well

#552
20100314124
2010-12-16

Open-hole stimulation system

#553
20100314109
2010-12-16

Gravel pack completions in lateral wellbores of oil and gas wells

#554
20100314108
2010-12-16

Dual-function nano-sized particles

#555
20100300692
2010-12-02

Apparatus and methods for limiting debris flow back into an underground base pipe of an injection well

#556
20100300688
2010-12-02

High solids content methods and slurries

#557
20100300687
2010-12-02

Method and system of sand management

#558
20100300686
2010-12-02

Multiple zone isolation method

#559
20100294498
2010-11-25

Viscoelastic surfactant based wellbore fluids and methods of use

#560
20100294495
2010-11-25

Open hole completion apparatus and method for use of same

#561
20100288495
2010-11-18

Methods of treating subterranean wells using changeable additives

#562
20100263872
2010-10-21

Erosion resistant flow connector

#563
20100263870
2010-10-21

METHODS OF CONTACTING AND/OR TREATING A SUBTERRANEAN FORMATION

#564
20100263864
2010-10-21

Bidirectional gravel packing in subterranean wells

#565
20100263861
2010-10-21

System and method for optimizing gravel deposition in subterranean wells

#566
20100243250
2010-09-30

Method and composition comprising at least three different average particle volume particulates for low damage gravel packing

#567
20100236779
2010-09-23

Apparatus and Method for Use with Alternate Path Sand Control Completions

#568
20100236775
2010-09-23

Shunt tube flowpaths extending through swellable packers

#569
20100230098
2010-09-16

One trip gravel pack assembly

#570
20100193190
2010-08-05

In-situ zonal isolation for sand controlled wells

#571
20100186953
2010-07-29

Measuring a characteristic of a well proximate a region to be gravel packed

#572
20100175875
2010-07-15

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

#573
20100155064
2010-06-24

Apparatus and method for providing an alternate flow path in isolation devices

#574
20100139919
2010-06-10

Gravel packing methods

#575
20100126723
2010-05-27

Fluid loss control

#576
20100126722
2010-05-27

WELLBORE SYSTEM AND METHOD OF COMPLETING A WELLBORE

#577
20100122814
2010-05-20

Apparatus and method for depositing a slurry in a well

#578
20100096134
2010-04-22

Well Systems and Associated Methods Incorporating Fluid Loss Control

#579
20100096130
2010-04-22

Toe-to-heel gravel packing methods

#580
20100096119
2010-04-22

Shunt tube flowpaths extending through swellable packers

#581
20100084133
2010-04-08

Apparatus and methods for allowing fluid flow inside at least one screen and outside a pipe disposed in a well bore

#582
20100084130
2010-04-08

Valve device and associated methods of selectively communicating between an interior and an exterior of a tubular string

#583
20100059232
2010-03-11

SYSTEM AND METHOD FOR RETAINING AN ELEMENT

#584
20100044044
2010-02-25

Controlling transient underbalance in a wellbore

#585
20100044040
2010-02-25

Method of installing sand control screens in wellbores containing synthetic or oil-based drilling fluids

#586
20100044032
2010-02-25

Method for completion, maintenance and stimulation of oil and gas wells

#587
20100038086
2010-02-18

Conformance Control Through Stimulus-Responsive Materials

#588
20100032158
2010-02-11

Wellbore method and apparatus for completion, production and injection

#589
20100025037
2010-02-04

SYSTEM AND METHOD FOR CONTROLLING SAND PRODUCTION IN WELLS

#590
20100018709
2010-01-28

Method of gravel packing a well containing synthetic or oil-based drilling fluids

#591
20100017134
2010-01-21

GRAVEL PACK ASSESSMENT TOOL AND METHODS OF USE

#592
20100012318
2010-01-21

Completion assembly

#593
20090305044
2009-12-10

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

#594
20090301718
2009-12-10

System, Method and Apparatus for Enhanced Friction Reduction In Gravel Pack Operations

#595
20090301710
2009-12-10

Fixed swirl inducing blast liner

#596
20090294128
2009-12-03

Wellbore method and apparatus for completion, production and injection

#597
20090286698
2009-11-19

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

#598
20090283261
2009-11-19

Continuous fibers for use in well completion, intervention, and other subterranean applications

#599
20090260835
2009-10-22

Method for controlling placement and flow at multiple gravel pack zones in a wellbore

#600
20090229828
2009-09-17

Radial flow valve and method