ClassID:

135600

E21B43/103 - 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; Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like

Recent Application in this class:
#301
20110265989
2011-11-03

SYSTEM FOR EXCHANGING ENERGY WITH A GROUND

#302
20110265941
2011-11-03

On Site Manufactured Self Expanding Tubulars and Method

#303
20110259609
2011-10-27

Expanding a tubular element in a wellbore

#304
20110253394
2011-10-20

MODIFYING EXPANSION FORCES BY ADDING COMPRESSION

#305
20110247698
2011-10-13

Reducing fluid turbulance in a flexible pipe

#306
20110220369
2011-09-15

Methods and apparatus relating to expansion tools for tubular strings

#307
20110220356
2011-09-15

Multiple stage cementing tool with expandable sealing element

#308
20110214884
2011-09-08

Lining of well bores with expandable and conventional liners

#309
20110214855
2011-09-08

Expandable device for use in a well bore

#310
20110186288
2011-08-04

Downhole tubular expander and method

#311
20110168411
2011-07-14

Tubular expansion tool and method

#312
20110121516
2011-05-26

METHOD FOR SEALING OFF A WATER ZONE IN A PRODUCTION WELL DOWNHOLE AND A SEALING ARRANGEMENT

#313
20110120732
2011-05-26

Device and method of lining a wellbore

#314
20110114387
2011-05-19

Annulus pressure control drilling systems and methods

#315
20110114336
2011-05-19

Apparatus and methods for multi-layer wellbore construction

#316
20110079439
2011-04-07

METHOD AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#317
20110048699
2011-03-03

System and method for anchoring an expandable tubular to a borehole wall

#318
20110037230
2011-02-17

Expandable packer system

#319
20110036593
2011-02-17

FORMATION OF FLOW CONDUITS UNDER PRESSURE

#320
20110036567
2011-02-17

Swellable screen assembly

#321
20110036565
2011-02-17

Control screen assembly

#322
20110017468
2011-01-27

METHOD OF PRODUCING HYDROCARBONS THROUGH A SMART WELL

#323
20110005775
2011-01-13

Apparatus and methods to protect connections

#324
20100331959
2010-12-30

Method of radially expanding a tubular element

#325
20100326729
2010-12-30

CASING BITS, DRILLING ASSEMBLIES, AND METHODS FOR USE IN FORMING WELLBORES WITH EXPANDABLE CASING

#326
20100319935
2010-12-23

METHOD AND DEVICE FOR A RUNNING TOOL

#327
20100319448
2010-12-23

Monitoring the water tables in multi-level ground water sampling systems

#328
20100319427
2010-12-23

APPARATUS AND METHOD FOR EXPANDING TUBULAR ELEMENTS

#329
20100314130
2010-12-16

High-ratio tubular expansion

#330
20100314107
2010-12-16

Method and device for transferring signals within a well

#331
20100294513
2010-11-25

Method of expanding a tubular element in a wellbore

#332
20100294487
2010-11-25

System for drilling a wellbore

#333
20100288514
2010-11-18

Well packing

#334
20100282477
2010-11-11

Sleeve for expandable tubular threaded connection and method of expanding tubular thereof

#335
20100276202
2010-11-04

Method of drilling a wellbore

#336
20100276157
2010-11-04

Method of expanding a tubular element in a wellbore

#337
20100275596
2010-11-04

SYSTEM FOR EXPLOITING THE THERMAL ENERGY AT THE BOTTOM OF THE OCEAN

#338
20100270037
2010-10-28

Method of creating a wellbore system

#339
20100270036
2010-10-28

Method of expanding a tubular element in a wellbore

#340
20100270035
2010-10-28

System and method to expand tubulars below restrictions

#341
20100263878
2010-10-21

Method of expanding a tubular element in a wellbore

#342
20100263859
2010-10-21

Wellbore system

#343
20100257913
2010-10-14

Resilient Anchor

#344
20100252333
2010-10-07

SYSTEM FOR DRILLING A WELLBORE

#345
20100252261
2010-10-07

Casing deformation and control for inclusion propagation

#346
20100252252
2010-10-07

Hydraulic setting assembly

#347
20100243275
2010-09-30

Method of radially expanding a tubular element

#348
20100243274
2010-09-30

Expandable structure for deployment in a well

#349
20100236792
2010-09-23

Expanding multiple tubular portions

#350
20100230958
2010-09-16

Method and Apparatus for coupling Expandable Tubular Members

#351
20100230104
2010-09-16

METHOD FOR COMPLETING A BOREHOLE

#352
20100225107
2010-09-09

Gas Tight Tubular Joint or Connection

#353
20100206587
2010-08-19

One trip cemented expandable monobore liner system and method

#354
20100206585
2010-08-19

Expandable casing with enhanced collapse resistance and sealing capability

#355
20100206566
2010-08-19

One trip cemented expandable monobore liner system and method

#356
20100200248
2010-08-12

Method of radially expanding a tubular element in a wellbore provided with a control line

#357
20100193124
2010-08-05

Method of Lining a Well or a Pipe Using an Inflatable Bladder

#358
20100171310
2010-07-08

Sealed tubular joint with plastic expansion and at least one inclined surface

#359
20100163309
2010-07-01

Sub-Surface Deployment Valve

#360
20100155082
2010-06-24

Actuator Assembly for Tubular Expansion

#361
20100147535
2010-06-17

Expandable liner hanger

#362
20100132958
2010-06-03

EXPANDABLE TUBULAR INSTALLATION SYSTEMS, METHODS, AND APPARATUS

#363
20100132952
2010-06-03

Method for casing using multiple expanded areas and using at least one inflatable bladder

#364
20100101072
2010-04-29

Apparatus for radially expanding and plastically deforming a tubular member

#365
20100089593
2010-04-15

RADIALLY EXPANDING A TUBULAR ELEMENT

#366
20100089591
2010-04-15

Expandable liner hanger and method of use

#367
20100078180
2010-04-01

Expandable packer system

#368
20100038076
2010-02-18

Expandable tubulars for use in geologic structures

#369
20100032169
2010-02-11

Method and apparatus for expanded liner extension using uphole expansion

#370
20100032168
2010-02-11

Method and apparatus for expanded liner extension using downhole then uphole expansion

#371
20100032167
2010-02-11

Method for Making Wellbore that Maintains a Minimum Drift

#372
20100024348
2010-02-04

METHOD OF EXPANSION

#373
20100012312
2010-01-21

Through tubing perforating gun

#374
20100005643
2010-01-14

Method of coupling expandable tubing sections

#375
20090308616
2009-12-17

Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell

#376
20090308594
2009-12-17

METHOD FOR EXPANDING A TUBULAR ELEMENT

#377
20090302604
2009-12-10

Method and Apparatus for coupling Expandable Tubular Members

#378
20090301733
2009-12-10

EXPANDABLE TUBULAR

#379
20090294118
2009-12-03

Method and apparatus for use in a wellbore

#380
20090288842
2009-11-26

Method of radially expanding a tubular element

#381
20090283273
2009-11-19

WELL CONSTRUCTION AND COMPLETION

#382
20090277649
2009-11-12

System and method for thermal change compensation in an annular isolator

#383
20090266560
2009-10-29

Monobore construction with dual expanders

#384
20090255689
2009-10-15

Method of radially expanding a tubular element

#385
20090242213
2009-10-01

Downhole tubular expansion tool and method

#386
20090236144
2009-09-24

Managed pressure and/or temperature drilling system and method

#387
20090223680
2009-09-10

Methods for expanding tubular strings and isolating subterranean zones

#388
20090211765
2009-08-27

Method for rapid sealing of boreholes

#389
20090205843
2009-08-20

Expandable packer

#390
20090205840
2009-08-20

Expandable downhole actuator, method of making and method of actuating

#391
20090205839
2009-08-20

Expandable connection

#392
20090200040
2009-08-13

One trip liner running, cementing and setting tool using expansion

#393
20090194338
2009-08-06

METHOD AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#394
20090193871
2009-08-06

Radial expansion system

#395
20090188569
2009-07-30

Method and apparatus for patching a well by hydroforming a tubular metal patch, and a patch for this purpose

#396
20090178809
2009-07-16

Methods and apparatus for well construction

#397
20090166040
2009-07-02

Casing deformation and control for inclusion propagation

#398
20090159293
2009-06-25

Method and apparatus for isolating tubing with a swellable seal

#399
20090151942
2009-06-18

SAND CONTROL SYSTEM AND METHOD FOR CONTROLLING SAND PRODUCTION

#400
20090151930
2009-06-18

Mechanical expansion system

#401
20090139732
2009-06-04

Downhole swaging system and method

#402
20090139725
2009-06-04

Use of low impact expansion to reduce flow friction

#403
20090126944
2009-05-21

System and method for radially expanding and plastically deforming a wellbore casing

#404
20090101363
2009-04-23

Flexible liner for drilled drainhole deployment

#405
20090101360
2009-04-23

Device and system for well completion and control and method for completing and controlling a well

#406
20090090516
2009-04-09

TUBULAR LINER

#407
20090084559
2009-04-02

Well packing

#408
20090065196
2009-03-12

Methods and apparatus for anchoring and expanding tubular members

#409
20090038138
2009-02-12

Protective compression and tension sleeves for threaded connections for radially expandable tubular members

#410
20090025942
2009-01-29

Borehole liner

#411
20090025929
2009-01-29

Apparatus for and method of deploying a centralizer installed on an expandable casing string

#412
20090001721
2009-01-01

Protective sleeve for threaded connections for expandable liner hanger

#413
20080309069
2008-12-18

External protection for expandable threaded tubular connections

#414
20080302543
2008-12-11

Expandable packer system

#415
20080302541
2008-12-11

Grooved expandable recess shoe and pipe for deployment of mechanical positioning devices

#416
20080302539
2008-12-11

METHOD AND APPARATUS FOR LENGTHENING A PIPE STRING AND INSTALLING A PIPE STRING IN A BOREHOLE

#417
20080302534
2008-12-11

Full bore lined wellbores

#418
20080296014
2008-12-04

INTERVENTIONLESS COMPOSITE PACKER

#419
20080290603
2008-11-27

SWELLABLE MATERIAL AND METHOD

#420
20080289814
2008-11-27

Solid expandable tubular members formed from very low carbon steel and method

#421
20080257605
2008-10-23

Method and assembly for forming a supported bore using a first and second drill bit

#422
20080257560
2008-10-23

Running tool for expandable liner hanger and associated methods

#423
20080257542
2008-10-23

Low Carbon Steel Expandable Tubular

#424
20080251250
2008-10-16

Annular Isolators for Expandable Tubulars in Wellbores

#425
20080236808
2008-10-02

Wellbore system

#426
20080236230
2008-10-02

Hydroforming Method and Apparatus

#427
20080230234
2008-09-25

System and method for thermal change compensation in an annular isolator

#428
20080210440
2008-09-04

Liner anchor for expandable casing strings and method of use

#429
20080202753
2008-08-28

Method and apparatus for expanding and separating tubulars in a wellbore

#430
20080196900
2008-08-21

Polymeric materials

#431
20080190624
2008-08-14

Method for Drilling Oil and Gas Wells

#432
20080190602
2008-08-14

Centralizer tool, a centralizing method and a method of making a centralizer tool

#433
20080164026
2008-07-10

Method of isolating and completing multi-zone frac packs

#434
20080156480
2008-07-03

APPARATUS FOR EXPANDING A TUBULAR MEMBER

#435
20080149347
2008-06-26

Expandable well screen with a stable base

#436
20080149346
2008-06-26

Method of Installing an Expandable Tubular in a Wellbore

#437
20080144759
2008-06-19

Method of Coupling Tubular Member

#438
20080142223
2008-06-19

System and method for controlling actuation of a well component

#439
20080142219
2008-06-19

Casing expansion and formation compression for permeability plane orientation

#440
20080142214
2008-06-19

Pore fluid sampling system with diffusion barrier and method of use thereof

#441
20080135262
2008-06-12

System for radially expanding a tubular member

#442
20080121396
2008-05-29

Completion apparatus and methods for use in hydrocarbon wells

#443
20080115972
2008-05-22

Method and apparatus for centralizing through tubing milling assemblies

#444
20080115944
2008-05-22

WELL BARRIER APPARATUS AND ASSOCIATED METHODS

#445
20080115939
2008-05-22

Radial Expansion of Tubular Members

#446
20080115931
2008-05-22

Expandable tubular

#447
20080110641
2008-05-15

Hanging apparatus and method

#448
20080110628
2008-05-15

Method of Sealing an Annular Space in a Wellbore

#449
20080110616
2008-05-15

Composite tubular structure

#450
20080106433
2008-05-08

Method and conduit for transmitting signals

#451
20080105429
2008-05-08

Method of cementing expandable well tubing

#452
20080100064
2008-05-01

Protective Compression and Tension Sleeves for Threaded Connections for Radially Expandable Tubular Members

#453
20080087440
2008-04-17

Method of monodiameter well construction

#454
20080087431
2008-04-17

Apparatus and method for controlled deployment of shape-conforming materials

#455
20080087423
2008-04-17

Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell

#456
20080087418
2008-04-17

Pipeline

#457
20080066930
2008-03-20

Protective Sleeve For Expandable Tubulars

#458
20080066929
2008-03-20

Protective Sleeve For Expandable Tubulars

#459
20080066927
2008-03-20

Protective sleeve for threaded connections for expandable tubulars

#460
20080066926
2008-03-20

PROTECTIVE SLEEVE FOR THREADED CONNECTIONS FOR EXPANDABLE LINER HANGER

#461
20080060846
2008-03-13

Annulus pressure control drilling systems and methods

#462
20080053656
2008-03-06

Casing patch overshot

#463
20080042428
2008-02-21

Protective compression and tension sleeves for threaded connections for radially expandable tubular members

#464
20080041631
2008-02-21

METHOD AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#465
20080035251
2008-02-14

Method of Manufacturing a Tubular Member

#466
20080018099
2008-01-24

Protective compression and tension sleeves for threaded connections for radially expandable tubular members

#467
20080017387
2008-01-24

Methods for expanding tubular strings and isolating subterranean zones

#468
20080012320
2008-01-17

Tubing connection arrangement

#469
20080007060
2008-01-10

Coupling tubulars

#470
20080006403
2008-01-10

Pump-down pressure plug

#471
20080000646
2008-01-03

Device and method to seal boreholes

#472
20080000645
2008-01-03

Radial Expansion System

#473
20070289818
2007-12-20

Expandable Tubular Lubrication

#474
20070278788
2007-12-06

Protective compression and tension sleeves for threaded connections for radially expandable tubular members

#475
20070272419
2007-11-29

Threaded Connection for Expandable Tubulars

#476
20070272405
2007-11-29

Ribbed sealing element and method of use

#477
20070271981
2007-11-29

APPARATUS FOR EXPANDING A TUBULAR MEMBER

#478
20070267824
2007-11-22

Seal and slip assembly for expandable downhole tools

#479
20070267201
2007-11-22

Annular isolators for expandable tubulars in wellbores

#480
20070267199
2007-11-22

Apparatus and methods to protect connections

#481
20070266756
2007-11-22

Expandable Tubular

#482
20070261846
2007-11-15

Completion apparatus and methods for use in wellbores

#483
20070256841
2007-11-08

Sidetrack option for monobore casing string

#484
20070246934
2007-10-25

Protective compression and tension sleeves for threaded connections for radially expandable tubular members

#485
20070246228
2007-10-25

Zonal isolation using elastic memory foam

#486
20070227730
2007-10-04

APPARATUS FOR RADIALLY EXPANDING AND PLASTICALLY DEFORMING A TUBULAR MEMBER

#487
20070227726
2007-10-04

Slip on screen with expanded base pipe

#488
20070221374
2007-09-27

High performance expandable tubular system

#489
20070215360
2007-09-20

Expandable Tubular

#490
20070205001
2007-09-06

Expandable Tubular

#491
20070199720
2007-08-30

Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe

#492
20070187146
2007-08-16

Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell

#493
20070187113
2007-08-16

Method and apparatus for expanding tubulars in a wellbore

#494
20070176424
2007-08-02

Preloaded Tubular Connector

#495
20070175634
2007-08-02

Apparatus and method for repairing failure spots on subterranean well tubulars using shock waves

#496
20070169944
2007-07-26

SYSTEM FOR LINING A WELLBORE CASING

#497
20070169943
2007-07-26

Method and device for establishing an underground well

#498
20070169939
2007-07-26

WELLBORE CASING AND METHOD OF FORMING SAME

#499
20070163786
2007-07-19

Expansion pig

#500
20070159351
2007-07-12

Method and conduit for transmitting signals

#501
20070158081
2007-07-12

Expandable tubulars

#502
20070158080
2007-07-12

Tubular hanger and method of lining a drilled bore

#503
20070151723
2007-07-05

Well packing

#504
20070144784
2007-06-28

Method for drilling and lining a wellbore

#505
20070137826
2007-06-21

Creating a well abandonment plug

#506
20070119597
2007-05-31

Expanding multiple tubular portions

#507
20070114044
2007-05-24

Annular isolators for expandable tubulars in wellbores

#508
20070114031
2007-05-24

Completion apparatus and methods for use in hydrocarbon wells

#509
20070114019
2007-05-24

Annular isolators for expandable tubulars in wellbores

#510
20070114018
2007-05-24

Annular Isolators for Expandable Tubulars in Wellbores

#511
20070114017
2007-05-24

Annular isolators for expandable tubulars in wellbores

#512
20070114016
2007-05-24

Annular isolators for expandable tubulars in wellbores

#513
20070110927
2007-05-17

Non-threaded expandable pipe connection system

#514
20070107941
2007-05-17

EXTENDED REACH DRILLING APPARATUS & METHOD

#515
20070107898
2007-05-17

Flush mounted tubular patch

#516
20070107895
2007-05-17

Solid expandable tubular members formed from very low carbon steel and method

#517
20070102927
2007-05-10

Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s)

#518
20070102153
2007-05-10

Screen and method having a partial screen wrap

#519
20070089910
2007-04-26

METHOD OF FORMING A BORE

#520
20070089886
2007-04-26

Expandable Sleeve

#521
20070084637
2007-04-19

Methods and Apparatus for Expanding Tubular Members

#522
20070084608
2007-04-19

Screen and method having a partial screen wrap

#523
20070068671
2007-03-29

Expandable wellbore assembly

#524
20070062694
2007-03-22

Apparatus and methods for creation of down hole annular barrier

#525
20070057508
2007-03-15

Expansion activated anti-rotation device

#526
20070056744
2007-03-15

Sealing tubing

#527
20070056743
2007-03-15

Method of radially expanding and plastically deforming tubular members

#528
20070056735
2007-03-15

System for sealing a space in a wellbore

#529
20070039742
2007-02-22

Method and apparatus for coupling expandable tubular members

#530
20070039161
2007-02-22

Gripping assembly for expandable tubulars

#531
20070034408
2007-02-15

Method of creating a borehole in an earth formation

#532
20070034386
2007-02-15

Expandable well barrier

#533
20070029797
2007-02-08

Method of forming a high-strength sealed connection for expandable tubulars

#534
20070029095
2007-02-08

Apparatus and method for running a radially expandable tubular member

#535
20070029082
2007-02-08

Apparatus and methods for creation of down hole annular barrier

#536
20070029080
2007-02-08

Deformable member

#537
20070017669
2007-01-25

Device and method of lining a wellbore

#538
20070017572
2007-01-25

Pipeline

#539
20070012456
2007-01-18

Wellbore Casing

#540
20070007015
2007-01-11

Centraliser

#541
20070007011
2007-01-11

Locating recess in a shoe for expandable liner system

#542
20070000664
2007-01-04

Axial compression enhanced tubular expansion

#543
20060283607
2006-12-21

Bore isolation

#544
20060283603
2006-12-21

Expandable tubular

#545
20060278403
2006-12-14

Bore-lining tubing

#546
20060272827
2006-12-07

One trip cemented expandable monobore liner system and method

#547
20060272818
2006-12-07

One trip cemented expandable monobore liner system and method

#548
20060272817
2006-12-07

One trip cemented expandable monobore liner system and method

#549
20060272814
2006-12-07

Expandable flow control device

#550
20060272807
2006-12-07

One trip cemented expandable monobore liner system and method

#551
20060266530
2006-11-30

System and method for fluid control in expandable tubing

#552
20060266527
2006-11-30

Apparatus for radially expanding and plastically deforming a tubular member

#553
20060266515
2006-11-30

Using pipe shrinkage upon expansion to actuate a downhole tool

#554
20060266514
2006-11-30

Expandable tool with enhanced expansion capability

#555
20060254779
2006-11-16

Casing patch overshot

#556
20060254778
2006-11-16

Method and system for tubing a borehole in single diameter

#557
20060243444
2006-11-02

apparatus for radially expanding and plastically deforming a tubular member

#558
20060237188
2006-10-26

Compliant cladding seal/hanger

#559
20060225926
2006-10-12

Method and conduit for transmitting signals

#560
20060219414
2006-10-05

Lubrication system for radially expanding tubular members

#561
20060213668
2006-09-28

A Method of Coupling Tubular Member

#562
20060208488
2006-09-21

Protective compression and tension sleeves for threaded connections for radially expandable tubular members

#563
20060196679
2006-09-07

Apparatus for radially expanding and plastically deforming a tubular member

#564
20060196678
2006-09-07

Method and system for lining tubulars

#565
20060196654
2006-09-07

System for expanding a tubular element in a wellbore

#566
20060185857
2006-08-24

Expandable tubulars for use in a wellbore

#567
20060185856
2006-08-24

Multi-layer deformable composite construction for use in a subterranean well

#568
20060175055
2006-08-10

Device for installation of a profile liner in a well

#569
20060162938
2006-07-27

Expanding a tubular element to different inner diameters

#570
20060162937
2006-07-27

Protective sleeve for threaded connections for expandable liner hanger

#571
20060162921
2006-07-27

Slip energized by longitudinal shrinkage

#572
20060131881
2006-06-22

Pre-expanded connector for expandable downhole tubulars

#573
20060131880
2006-06-22

Pre-expanded connector for expandable downhole tubulars

#574
20060131879
2006-06-22

Method of connecting expandable tubulars

#575
20060130922
2006-06-22

Lateral pipe lining material and lateral pipe lining method

#576
20060124319
2006-06-15

Completion apparatus and methods for use in wellbores

#577
20060124304
2006-06-15

Method of creating a zonal isolation in an underground wellbore

#578
20060124295
2006-06-15

Expandable fluted liner hanger and packer system

#579
20060118192
2006-06-08

Method of manufacturing an insulated pipeline

#580
20060113088
2006-06-01

Expandable composite tubulars

#581
20060113086
2006-06-01

Protective sleeve for expandable tubulars

#582
20060113085
2006-06-01

Dual well completion system

#583
20060108123
2006-05-25

System for radially expanding tubular members

#584
20060107514
2006-05-25

Method for coupling and expanding tubing

#585
20060096762
2006-05-11

Mono-diameter wellbore casing

#586
20060096761
2006-05-11

Slip on screen with expanded base pipe

#587
20060090903
2006-05-04

System and method for thermal change compensation in an annular isolator

#588
20060090902
2006-05-04

Protective sleeve for threaded connections for expandable liner hanger

#589
20060076147
2006-04-13

Method of completing a well

#590
20060070742
2006-04-06

Expansion pig

#591
20060065408
2006-03-30

Methods for expanding tubular strings and isolating subterranean zones

#592
20060065406
2006-03-30

Interposed joint sealing layer method of forming a wellbore casing

#593
20060065403
2006-03-30

Bottom plug for forming a mono diameter wellbore casing

#594
20060061099
2006-03-23

Method for sealing radially expanded joints

#595
20060061098
2006-03-23

Cover for expandable connections

#596
20060052936
2006-03-09

Tubing expansion

#597
20060048948
2006-03-09

Anchor hangers

#598
20060042801
2006-03-02

Isolation device and method

#599
20060037745
2006-02-23

Expandable device for use in a well bore

#600
20060032640
2006-02-16

Protective sleeve for threaded connections for expandable liner hanger