| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 10/23/2002 | EP1251242A1 Slick line system with real-time surface display |
| 10/23/2002 | EP1250514A1 Downhole wireless two-way telemetry system |
| 10/23/2002 | EP1250513A1 System and method for fluid flow optimization in a gas-lift oil well |
| 10/23/2002 | EP1250511A1 Torque release coupling for use in drill strings |
| 10/23/2002 | EP1250510A1 Seafloor-surface linking device comprising a stabilising element |
| 10/23/2002 | EP0817938B1 Corrosion protection for steel pipes |
| 10/23/2002 | CN2517857Y Oil well rod centralizer type collar |
| 10/23/2002 | CN2517856Y Extension compensator |
| 10/22/2002 | US6467558 Multiple air hammer apparatus and excavating direction correcting method therefor |
| 10/22/2002 | US6467547 Hydraulic running tool with torque dampener |
| 10/22/2002 | US6467545 Monolithic isolation stress joint |
| 10/22/2002 | US6467492 Corrosion inhibitors |
| 10/17/2002 | WO2002082590A1 Wet mateable connector |
| 10/17/2002 | WO2002081864A2 Expandable coaxial tubings |
| 10/17/2002 | WO2002081862A1 Downhole cable protection device |
| 10/17/2002 | WO2002081857A2 Downhole weight bearing apparatus and method |
| 10/17/2002 | WO2001061262A9 Heat exchange systems |
| 10/17/2002 | US20020149501 Casing mounted sensors, actuators and generators |
| 10/17/2002 | US20020149500 Casing mounted sensors, actuators and generators |
| 10/17/2002 | US20020149499 Casing mounted sensors, actuators and generators |
| 10/17/2002 | US20020148650 Long gauge roller vane drilling motor |
| 10/17/2002 | US20020148616 Apparatus and method for remote adjustment of drill string centering to prevent damage to wellhead |
| 10/16/2002 | EP1249574A2 Multilateral well drilling and completion method and apparatus |
| 10/16/2002 | EP1248896A1 A polymeric centralizer |
| 10/16/2002 | EP1248895A1 Centraliser |
| 10/16/2002 | EP1248893A1 Integrated transmitter surveying while boring (swb) entrenching powering device for the continuation of a guided bore hole |
| 10/16/2002 | EP1206623A4 Anti-rotation device for use with well tools |
| 10/16/2002 | EP0991846B1 Stress reduction groove for tubular connection |
| 10/16/2002 | CN1375034A Threaded pipe connection |
| 10/15/2002 | US6464261 Pipe coupling |
| 10/15/2002 | US6464013 Oil well casing centralizer coupling |
| 10/15/2002 | US6464004 Retrievable well monitor/controller system |
| 10/15/2002 | CA2212604C Latch and release perforating gun connector |
| 10/10/2002 | WO2002079659A2 Method for preventing critical annular pressure buildup |
| 10/10/2002 | WO2002079605A1 Downhole axial force generating tool |
| 10/10/2002 | WO2002078946A1 Electrical connectors for use in downhole tools |
| 10/10/2002 | WO2002046653A3 Slip connector for use with coiled tubing |
| 10/10/2002 | US20020144822 Apparatus comprising expandable bistable tubulars and methods for their use in wellbores |
| 10/10/2002 | US20020144819 Arrangement related to riser pipelines |
| 10/10/2002 | US20020144815 Guide apparatus |
| 10/10/2002 | DE10116103A1 Equipment for creating underground bore has extendable bore rod and bore crown at one end and drive at other end for rotating and advancing bore rod |
| 10/09/2002 | EP1247936A1 Apparatus and method for coring and/or drilling |
| 10/09/2002 | EP1247935A1 Production riser |
| 10/09/2002 | EP1246999A1 Telescoping tool |
| 10/09/2002 | EP1246997A2 Torque reduction tool |
| 10/09/2002 | EP1246996A2 System and method for the connection of a two-piece drill pipe protector |
| 10/09/2002 | EP1246993A1 Three dimensional steerable system |
| 10/09/2002 | CN1373283A Drill collar without destabilization |
| 10/09/2002 | CA2343544A1 Arrangement related to riser pipelines |
| 10/08/2002 | US6461083 Method and device for linking surface to the seabed for a submarine pipeline installed at great depth |
| 10/08/2002 | US6460900 Quick connector with a through bore |
| 10/08/2002 | US6460637 Engineered enhanced inserts for rock drilling bits |
| 10/08/2002 | US6460636 Drill bit inserts with variations in thickness of diamond coating |
| 10/03/2002 | WO2002077496A2 Metal-to-metal seal with soft metal insert |
| 10/03/2002 | WO2002076818A1 Riser system for use for production of hydrocarbons with a vessel of the epso-type with a dynamic positioning system (dp) |
| 10/03/2002 | WO2002025051A3 Jar with electrical conductor |
| 10/03/2002 | US20020142683 Nonstructural buoyancy can |
| 10/03/2002 | US20020140184 Metal-to-metal seal with soft metal insert |
| 10/03/2002 | US20020139586 Drill device for a drilling apparatus |
| 10/03/2002 | US20020139538 Method for enabling movement of a centralized pipe through a reduced diameter restriction and apparatus therefor |
| 10/03/2002 | US20020139537 Method for enabling movement of a centralized pipe through a reduced diameter restriction and apparatus therefor |
| 10/03/2002 | US20020139536 Method for preventing critical annular pressure buildup |
| 10/03/2002 | US20020139525 Downhole jet pump |
| 10/03/2002 | CA2442095A1 Metal-to-metal seal with soft metal insert |
| 10/02/2002 | EP1244865A1 Long gauge roller vane drilling motor |
| 10/02/2002 | EP1165931A4 Stabiliser tool block wear pad assembly |
| 10/02/2002 | EP1056925B1 Riser pipe construction and module therefor |
| 10/02/2002 | CN2514111Y Device for preventing sucker rod from deforming |
| 10/02/2002 | CN1372067A Method for thermal producing ultrathick oil by cyclic steam stimulation and special apparatus thereof |
| 10/02/2002 | CN1091830C Downhole clutch with flow ports |
| 10/02/2002 | CN1091829C Drill shank for drill drive |
| 10/01/2002 | US6457536 Method and system for exploiting natural resources under the seabed |
| 10/01/2002 | US6457528 Method for preventing critical annular pressure buildup |
| 10/01/2002 | US6457527 Apparatus and method for adding buoyancy to riser with inflatable floatation collar |
| 10/01/2002 | US6457526 Sub sea bottom hole assembly change out system and method |
| 10/01/2002 | US6457519 Expandable centralizer |
| 09/26/2002 | WO2002075197A1 Threaded connection |
| 09/26/2002 | WO2002075164A2 Flexible joint for well logging instruments |
| 09/26/2002 | WO2002075110A1 A well device for throttle regulation of inflowing fluids |
| 09/26/2002 | WO2002075100A1 Apparatus and method for running down hole liners |
| 09/26/2002 | WO2002036924A3 Rotary steerable drilling tool and method for directional drilling |
| 09/26/2002 | WO2001025667A9 Composite coiled tubing end connector and pipe-to-pipe connector |
| 09/26/2002 | US20020135179 Low-loss inductive couplers for use in wired pipe strings |
| 09/26/2002 | US20020134586 Boring apparatus |
| 09/26/2002 | US20020134555 Tong for wellbore operations |
| 09/26/2002 | US20020134553 Marine riser |
| 09/26/2002 | US20020134549 Blast joint assembly |
| 09/26/2002 | CA2441072A1 Flexible joint for well logging instruments |
| 09/25/2002 | WO2001075347A1 Slim type oil well pipe fitting |
| 09/25/2002 | EP1243745A1 Blast joint assembly |
| 09/25/2002 | EP1242711A1 Drilling bit for drilling while running casing |
| 09/25/2002 | EP1086336B1 Pipeline monitoring systems |
| 09/25/2002 | EP0729543A4 Well tool |
| 09/24/2002 | US6454012 Tool string shock absorber |
| 09/24/2002 | US6454010 Well production apparatus and method |
| 09/24/2002 | US6453999 Centralizer |
| 09/24/2002 | US6453998 Progressive lock integral joint centralizer |
| 09/19/2002 | WO2002072995A1 Vortex-induced vibration reduction device for fluid immersed cylinders |
| 09/19/2002 | WO2002023008A3 Methods and apparatus for forming a lateral wellbore |
| 09/19/2002 | WO2000001239A3 Friction-reducing drill pipe component |