| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 09/10/2004 | WO2004076801A1 Electrical isolation connector subassembly for use in directional drilling |
| 09/10/2004 | WO2004027786A3 Protective sleeve for expandable tubulars |
| 09/10/2004 | WO2003089753A3 Coiled tubing having multiple strings of smaller tubing embedded therein |
| 09/09/2004 | US20040175240 Apparatus and methods for providing VIV suppression to a riser system comprising umbilical elements |
| 09/09/2004 | US20040173383 Apparatus and method for rotary bored drilling |
| 09/09/2004 | US20040173382 Wear sleeve |
| 09/09/2004 | US20040173359 Field weldable connections |
| 09/09/2004 | US20040173356 Subsea riser disconnect and method |
| 09/09/2004 | US20040173352 Gravel packing apparatus having an integrated sensor and method for use of same |
| 09/09/2004 | US20040173350 Intelligent well system and method |
| 09/09/2004 | US20040173349 Expandable wellbore stabiliser |
| 09/09/2004 | DE10308115A1 Boring bar for drilling fixture, consists of a jacket pipe with a tap fixed at one end of the pipe and a sleeve fixed at the other end of the pipe |
| 09/09/2004 | DE10297180T5 Verfahren und Vorrichtung zum Ersetzen von unterirdischen Rohren Method and apparatus for replacing underground pipes |
| 09/08/2004 | EP1454035A2 Friction reducing composition and method |
| 09/08/2004 | EP1155215B1 Mills for wellbore operations |
| 09/08/2004 | CN2639508Y Hydraulic tubing anchor |
| 09/08/2004 | CN2639507Y Device for reducing torque consumption of rod for large displacement drilling |
| 09/08/2004 | CN2639506Y Petroleum pipeline coated with alloy coat |
| 09/08/2004 | CN2639505Y Sucker rod for screw pump |
| 09/08/2004 | CN2639504Y Multifunction oil well anti-pollution tubular column |
| 09/08/2004 | CN1527901A Coiled tubing connector |
| 09/02/2004 | WO2004074632A1 Downhole tool with ratcheting swivel and method |
| 09/02/2004 | WO2004074628A1 Apparatus for supplying fluid into different zones in a formation |
| 09/02/2004 | WO2004074625A1 Radially adjustable downhhole devices & methods for same |
| 09/02/2004 | WO2004074624A1 Tool |
| 09/02/2004 | WO2004074622A2 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 09/02/2004 | WO2004027202A3 Inner riser adjustable hanger and seal assembly |
| 09/02/2004 | WO2003089752A3 Well completion with merged influx of well fluids |
| 09/02/2004 | US20040169367 Electrical isolation connector subassembly for use in directional drilling |
| 09/02/2004 | US20040168832 Adjustable downhole tool |
| 09/02/2004 | US20040168808 Monobore wellbore and method for completing same |
| 09/02/2004 | US20040168794 Spacer sub |
| 09/02/2004 | CA2614179A1 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 09/02/2004 | CA2613131A1 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 09/02/2004 | CA2613007A1 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 09/02/2004 | CA2516140A1 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 09/01/2004 | EP1451445A1 A device and a method for electrical coupling |
| 09/01/2004 | EP1451443A2 Severe dog leg swivel for tubing conveyed perforating |
| 09/01/2004 | EP1032748B1 Flexible sinker bar assemblies |
| 09/01/2004 | CN2637705Y Pump rod whole rod type strengthener |
| 09/01/2004 | CN2637704Y Tapered thread short contact strengthening apparatus |
| 09/01/2004 | CN2637703Y Oil pumping sand extraction integrated process tubular column |
| 09/01/2004 | CN1526049A Expandable wellbore stabiliser |
| 09/01/2004 | CN1526006A Lubricating coating composition suitable for lubrication of a threaded joint |
| 09/01/2004 | CN1525037A Telescoping drill string |
| 08/26/2004 | WO2004072436A1 Shoe for expandable liner system |
| 08/26/2004 | US20040164838 Element for Use in an Inductive Coupler for Downhole Drilling Components |
| 08/26/2004 | US20040164833 Inductive Coupler for Downhole Components and Method for Making Same |
| 08/26/2004 | US20040163852 Method and apparatus for boring through a solid material |
| 08/26/2004 | US20040163817 Offshore well production riser |
| 08/26/2004 | US20040163810 Downhole tool with ratcheting swivel and method |
| 08/26/2004 | US20040163802 Multi-channel high pressure swivel |
| 08/25/2004 | CN2635896Y Coupling centralising devcie for plug-in connected hollow sucker rod |
| 08/25/2004 | CN2635895Y Combined coupling for sucker rod |
| 08/25/2004 | CN2635894Y Anchor for oil pipe |
| 08/25/2004 | CN2635893Y Loose-resisting fastener for joint of petroleum drill rod |
| 08/25/2004 | CN2635732Y Screw piling machine with screw pitch guider |
| 08/24/2004 | US6779604 Deformable gravel pack and method of forming |
| 08/24/2004 | US6779598 Swivel and eccentric weight to orient a roller sub |
| 08/24/2004 | CA2350858C Pressure pulse attenuator |
| 08/24/2004 | CA2193523C Threaded metal tube joints with an inner coating |
| 08/19/2004 | WO2004070162A1 Tubular deployment tool and method of use |
| 08/19/2004 | WO2004070158A2 Drilling assembly and method |
| 08/19/2004 | WO2004051129A3 Expandable composite tubulars |
| 08/19/2004 | WO2003067018A3 Well system |
| 08/19/2004 | US20040159444 Method and apparatus to facilitate wet or dry control line connection for the downhole environment |
| 08/18/2004 | EP1196713B1 Swivel apparatus |
| 08/18/2004 | CN2634096Y Twist increasing device for drill joint |
| 08/18/2004 | CN1522335A Centraliser for an expandable tubular element in a wellbore |
| 08/17/2004 | US6776636 PBR with TEC bypass and wet disconnect/connect feature |
| 08/17/2004 | US6776247 Stabilizer tool block wear pad assembly |
| 08/17/2004 | US6776233 Method and system for drilling a wellbore having cable based telemetry |
| 08/17/2004 | US6776232 Insert rod guide |
| 08/12/2004 | WO2004067974A2 Centrifugal applicator |
| 08/12/2004 | WO2004067902A1 Coupling sleeve for connection of a threaded rock bolt to an impact rock drilling machine |
| 08/12/2004 | WO2004067901A1 Data transmission system for a downhole component |
| 08/12/2004 | WO2004067899A1 Method and apparatus for raise bore drilling and lining a bore hole |
| 08/12/2004 | WO2004053287A3 Bore hole tool assembly, bearing system for use in such a bore hole tool assembly, and method of designing such a bore hole tool assembly |
| 08/12/2004 | WO2004053286A3 System for use in a bore hole for axially coupling a tubular end and a mandrel, and a connecting assembly for such a system |
| 08/12/2004 | WO2004018825A3 Riser connector |
| 08/12/2004 | US20040156684 Underwater pipeline connection joined to a riser |
| 08/12/2004 | US20040154835 Tong for wellbore operations |
| 08/12/2004 | US20040154810 Method and system for increasing tubing resistance to pressure |
| 08/12/2004 | US20040154809 Method and apparatus for operations in underground/subsea oil and gas wells |
| 08/12/2004 | US20040154808 Tubing expansion |
| 08/12/2004 | US20040154807 Downhole weight bearing apparatus and method |
| 08/12/2004 | US20040154797 Shoe for expandable liner system |
| 08/12/2004 | DE10304319A1 Cushioning ring for e.g. drilling excavators, has shock absorbers arranged between upper and lower flanges such that desired static spring rates of shock absorbers are obtained by adjusting volume of compressible media |
| 08/11/2004 | EP1445418A1 Telescoping drill string |
| 08/11/2004 | EP1328701A4 System, method and apparatus for deploying a data resource within a threaded pipe coupling |
| 08/11/2004 | CN2632296Y Quick installed stabilizer against suck rod drop-off |
| 08/11/2004 | CN2632295Y Stabilizer for sucking rod against wearing eccentrically |
| 08/11/2004 | CN2632294Y Drill rod rapid joint |
| 08/11/2004 | CN2632293Y Combined connecting coupling for oil pipe |
| 08/11/2004 | CN2632292Y Self locked rotary connecting/disconnecting device |
| 08/11/2004 | CN2632291Y Pre-curved dynamic quick operating connect joint against slant drilling |
| 08/11/2004 | CN2632290Y Iceproof water separated pipe rapid connecter in shallow sea |
| 08/11/2004 | CN2632289Y Limit sucker rods |
| 08/10/2004 | US6772840 Methods and apparatus for a subsea tie back |
| 08/10/2004 | US6772835 Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring |