| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 08/04/2005 | US20050166385 Apparatus to mechanically load a compression member |
| 08/04/2005 | CA2553236A1 Downhole drilling of a lateral hole |
| 08/04/2005 | CA2544757A1 Drill stem for deep drillings |
| 08/04/2005 | CA2544711A1 Measuring device and drilling device for deep drillings |
| 08/03/2005 | EP1559866A1 Methods of completing a subterranean well and associated apparatus |
| 08/03/2005 | EP1559864A1 Downhole drilling of a lateral hole |
| 08/03/2005 | EP1558834A1 Methods and apparatus for a subsea tie back |
| 08/03/2005 | EP1327095A4 Coupling apparatus |
| 08/03/2005 | CN2714794Y Centralizing and paraffin removing pumping assistor |
| 08/03/2005 | CN2714793Y Well top pressure tester |
| 08/03/2005 | CN1650117A Method and arrangement for the rapid connection and detachment of connectable elements |
| 08/02/2005 | US6923291 Apparatus for detecting geophysical energy |
| 08/02/2005 | US6923273 Well system |
| 08/02/2005 | US6923262 Alternate path auger screen |
| 08/02/2005 | US6923256 Disconnect device |
| 08/02/2005 | US6923254 Washpipe apparatus |
| 08/02/2005 | CA2198619C Centralisers |
| 08/02/2005 | CA2182788C Drill casing installation equipment with external friction reducing means |
| 07/28/2005 | US20050163573 Methods for remote installation of devices for reducing drag and vortex induced vibration |
| 07/28/2005 | US20050161261 Steerable soil penetration system |
| 07/28/2005 | US20050161259 Unsymmetrical profile threads for use in a positive displacement motor housing |
| 07/28/2005 | US20050161230 Control line guide and method of using same |
| 07/28/2005 | US20050161228 Apparatus for radially expanding and plastically deforming a tubular member |
| 07/28/2005 | US20050161227 Method and device to clamp control lines to tubulars |
| 07/28/2005 | US20050161225 Control line manipulating arm and method of using same |
| 07/28/2005 | US20050161215 Downhole Tool |
| 07/28/2005 | US20050161214 Rotationally locked wear sleeve for through-tubing drilling and completion |
| 07/28/2005 | DE202005004815U1 Probe end piece changing flow direction in a ground heat extraction process comprises a U-shaped pipe bend joined to inflow and outflow pipes being sunk into a borehole |
| 07/27/2005 | EP1556645A2 Threaded pipe connection with cylindrical metal-to-metal, high pressure containment seal |
| 07/27/2005 | EP1556577A1 Device for connecting two elements having a substantially cylindrical or tubular shape |
| 07/27/2005 | EP1556576A2 Drill pipe having an internally coated electrical pathway |
| 07/27/2005 | EP1144797B1 A method for mounting a casing shoe on a drilling apparatus |
| 07/27/2005 | CN2713121Y Outer guard ring for enclosed drill pipe |
| 07/27/2005 | CN2713120Y Hydraulic sealed anti-pollution pipe string |
| 07/27/2005 | CN2713119Y Anti-releasing device for sucker rod |
| 07/27/2005 | CN2713118Y Self-locking tubing anchor |
| 07/27/2005 | CN1644870A Stabilizer of gas drill horizontal well |
| 07/26/2005 | US6920944 Apparatus and method for drilling and reaming a borehole |
| 07/26/2005 | US6920936 Constant force actuator |
| 07/26/2005 | US6920932 Joint for use with expandable tubulars |
| 07/26/2005 | US6920931 Control line guide |
| 07/26/2005 | CA2366496C Steerable modular drilling assembly |
| 07/26/2005 | CA2364527C Rock drilling press |
| 07/26/2005 | CA2185251C Threaded joint for tubes |
| 07/21/2005 | WO2005066453A1 Rotating blast liner |
| 07/21/2005 | US20050158186 Hydraulic swivel drive for a grab |
| 07/21/2005 | US20050158126 Flexible riser system |
| 07/21/2005 | US20050155770 System for Connecting Downhole Tools |
| 07/21/2005 | US20050155766 Flexible wellbore broach |
| 07/20/2005 | EP1554463A1 A measuring sonde for a hydrocarbon well |
| 07/20/2005 | EP1554461A1 Cement flow control tool |
| 07/20/2005 | EP1554459A1 Well packer for a pipe string and a method of leading a line past the well packer |
| 07/20/2005 | EP1386054A4 Flexible joint for well logging instruments |
| 07/20/2005 | EP1278931B1 Centralizer for wireline tools |
| 07/20/2005 | EP1252416B1 Choke inductor for wireless communication and control in a well |
| 07/20/2005 | CN2711382Y Isolated cement head |
| 07/20/2005 | CN2711372Y Fixed shoe for casing hole-drilling |
| 07/20/2005 | CN2711371Y Centering guide used for casting hold drilling |
| 07/20/2005 | CN2711370Y Safety connector |
| 07/20/2005 | CN2711369Y Flexible drill stem |
| 07/19/2005 | US6919512 Field weldable connections |
| 07/19/2005 | US6918452 Drill string shutoff valve |
| 07/16/2005 | CA2492981A1 Monobore wellbore and method for completing same |
| 07/14/2005 | WO2005064300A1 Instrumented tubular device for the transport of a pressurised fluid using bragg grating rosettes |
| 07/14/2005 | WO2005064217A1 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s) |
| 07/14/2005 | WO2005064112A1 Hydraulically releaseable inflation tool for permanent bridge plug |
| 07/14/2005 | WO2005062764A2 Adjustable hole cleaning device |
| 07/14/2005 | WO2005052301A3 Drill bit with protection member |
| 07/14/2005 | US20050150694 Method and apparatus for preventing the friction induced rotation of non-rotating stabilizers |
| 07/14/2005 | US20050150692 Directional cased hole side track method applying rotary closed loop system and casing mill |
| 07/14/2005 | US20050150660 Method and apparatus for forming a mono-diameter wellbore casing |
| 07/14/2005 | US20050150654 Slotted expandable centraliser |
| 07/14/2005 | US20050150653 Corrosion-Resistant Downhole Transmission System |
| 07/14/2005 | DE10359880A1 Boring rod system for horizontal directional boring, has bending unit with connection sides for boring rod and drilling tool, respectively such that bending unit is arranged between drilling tool and boring rod |
| 07/13/2005 | EP1551698A1 Riser installation vessel and method of using the same |
| 07/13/2005 | EP1362159A4 Shoe with earth formation disiplacing structure |
| 07/13/2005 | CN2709700Y Universal axle mechanism |
| 07/13/2005 | CN2709639Y Split casing centralising apparatus |
| 07/13/2005 | CN2709638Y Transmission cylinder for testing pressure of capillary tube |
| 07/13/2005 | CN2709637Y Chang joint for casing well drilling |
| 07/13/2005 | CN2709636Y Drill release for casing well drilling |
| 07/13/2005 | CN2709635Y Anti-deoiling coupling |
| 07/13/2005 | CN2709634Y Double-oil-layer combined production interchange runner tubular column |
| 07/13/2005 | CN1639497A Pipe system and method for its manufacture |
| 07/13/2005 | CN1639496A Premium tubular threaded joint comprising at least a threaded element with end lip |
| 07/13/2005 | CN1639494A Wedgethread pipe connection |
| 07/13/2005 | CN1639440A Bi-directional thruster pig apparatus and method of utilizing same |
| 07/12/2005 | US6916248 Flexible coupling |
| 07/12/2005 | US6915865 Locking swivel apparatus with a supplemental internal locking mechanism |
| 07/12/2005 | US6915849 Apparatus and methods for conveying instrumentation within a borehole using continuous sucker rod |
| 07/12/2005 | US6915846 Production tubing joint |
| 07/07/2005 | WO2005061852A1 Non-threaded expandable pipe connection system |
| 07/07/2005 | WO2005061835A1 Method for drilling and lining a wellbore |
| 07/07/2005 | WO2005042908A3 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 07/07/2005 | US20050147473 Riser tensioner with shrouded rods |
| 07/07/2005 | US20050145406 Data Transmission System for a Downhole Component |
| 07/07/2005 | US20050145384 Rotating blast liner |
| 07/07/2005 | US20050144772 Method and apparatus for forming a mono-diameter wellbore casing |
| 07/07/2005 | US20050144771 Method and apparatus for forming a mono-diameter wellbore casing |
| 07/07/2005 | CA2550194A1 Method for drilling and lining a wellbore |