| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 10/14/2004 | US20040200614 Drill-through spool body sleeve assembly |
| 10/14/2004 | DE10313758A1 Drill pipe with on-line measurement feature comprises of three interconnected linkages that include concentric pipes joined together by cable couplings with electroconductive contact rings which are interconnected via cable |
| 10/13/2004 | EP1466070A1 Two string drilling system |
| 10/13/2004 | EP1466069A2 Downhole assembly releasable connection |
| 10/13/2004 | CN2648425Y Torque testing apparatus for wireless transmission side opening screw pump well |
| 10/13/2004 | CN2648044Y Mechanical type hydraulic oil pipe anchor |
| 10/13/2004 | CN2648040Y Metal spacing connecting hoop for sucker rod centralising device |
| 10/13/2004 | CN2648039Y Dysmorphism square joint |
| 10/13/2004 | CN2648038Y Special flat ladder shape screw casing |
| 10/13/2004 | CN1537192A Centering device |
| 10/13/2004 | CN1536196A Oil-increasing pup joint |
| 10/13/2004 | CN1171003C Flexible continuous band type carbon fiber sucker rod and connector thereof |
| 10/12/2004 | CA2375754C Drilling system suitable for coring and other purposes |
| 10/12/2004 | CA2315550C Deployment tubing connector having internal electrical penetrator |
| 10/12/2004 | CA2315433C Splice system for use in splicing coiled tubing having internal power cable |
| 10/12/2004 | CA2315430C Modular system for deploying subterranean well-related equipment |
| 10/07/2004 | WO2004085794A1 Device for heating and thermally insulating at least one undersea pipeline |
| 10/07/2004 | WO2004085238A1 Water intake riser |
| 10/07/2004 | WO2004023014A9 Threaded connection for expandable tubulars |
| 10/07/2004 | US20040197175 Power tool with battery pack ejector |
| 10/07/2004 | US20040195826 Threaded joint for steel pipes and process for the surface treatment thereof |
| 10/07/2004 | US20040195009 Drill string element having at least one bearing zone, a drill string, and a tool joint |
| 10/07/2004 | US20040194966 Joint for use with expandable tubulars |
| 10/07/2004 | US20040194955 Redundant Metal-Metal Seal |
| 10/07/2004 | US20040194951 Floating instrument insert for a tool |
| 10/07/2004 | US20040194950 Methods and apparatus for interconnecting well tool assemblies in continuous tubing strings |
| 10/06/2004 | EP1464790A1 Floating instrument insert for a tool |
| 10/06/2004 | EP1464788A1 Cementing head |
| 10/06/2004 | EP1463870A2 System and method for lessening impact on christmas trees during downhole operations involving christmas trees |
| 10/06/2004 | EP1463869A1 Driver |
| 10/06/2004 | EP1463868A1 Down-the-hole drill hammer. |
| 10/06/2004 | EP1190158B1 Hydraulic setting tool |
| 10/06/2004 | EP1029146B1 A friction reducing tool |
| 10/06/2004 | EP0802302B1 Riser that is to be detached near the water surface |
| 10/06/2004 | CN2646368Y Eccentric proof grinding pair for oil tube and sucker rod |
| 10/06/2004 | CN2646367Y Accentuator for pumping rod |
| 10/06/2004 | CN1535348A Connecting anchoring rod to drilling tool |
| 10/05/2004 | US6799632 Expandable metal liner for downhole components |
| 10/05/2004 | CA2171893C Threaded joint for tubes |
| 09/30/2004 | WO2004083711A2 Method and composition for controlling galling |
| 09/30/2004 | WO2004083706A1 Tubing and piping for multiphase flow |
| 09/30/2004 | WO2004083595A2 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
| 09/30/2004 | WO2004083592A2 Apparatus and method for running a radially expandable tubular member |
| 09/30/2004 | WO2004028892A3 Underwater enclosure apparatus and method for constructing the same |
| 09/30/2004 | US20040188147 Drill pipe protector |
| 09/30/2004 | US20040188143 Down hole drilling assembly with concentric casing actuated jet pump |
| 09/30/2004 | US20040188086 Downhole release joint |
| 09/30/2004 | CA2519013A1 Tubing and piping for multiphase flow |
| 09/29/2004 | EP1462605A1 Method of modelling a hydrocarbon mixture by subdividing it in pseudocomponents |
| 09/29/2004 | EP1461560A1 Premium tubular threaded joint comprising at least a threaded element with end lip |
| 09/29/2004 | EP0938621B1 Communication conduit in a well tool |
| 09/29/2004 | CN2644661Y Roller connection centralizer |
| 09/29/2004 | CN2644660Y Steel cable pumping rod |
| 09/29/2004 | CN2644659Y Down-hole anticorrosive tubing |
| 09/29/2004 | CN2644658Y Loose-prevention type oil increasing centralizer |
| 09/29/2004 | CN2644505Y Mixing ram machine drill rode middle centralizer |
| 09/28/2004 | US6796380 High expansion anchor system |
| 09/28/2004 | CA2423645A1 Manifold device and method of use for accessing a casing annulus of a well |
| 09/28/2004 | CA2232213C Subassembly electrical isolation connector for drill rod |
| 09/28/2004 | CA2154846C Method and apparatus for testing wells using dual coiled tubing |
| 09/23/2004 | WO2004081343A1 Apparatus and method of controlling motion and vibration of a sensor in a drilling assembly |
| 09/23/2004 | WO2004018825B1 Riser connector |
| 09/23/2004 | US20040186665 Measurement device and support for use in a well |
| 09/23/2004 | US20040184872 Connecting an anchoring rod to a drilling tool |
| 09/23/2004 | US20040184871 Composite low cycle fatigue coiled tubing connector |
| 09/23/2004 | US20040182571 Centraliser for an expandable tubular element in a wellbore |
| 09/22/2004 | EP1460236A1 Composite low cycle fatigue coiled tubing connector |
| 09/22/2004 | EP1460235A2 Apparatus to mechanically load a compression member |
| 09/22/2004 | EP1460234A1 A device and a method for disconnecting a tool from a pipe string |
| 09/22/2004 | EP1163420B1 Rotary-type earth drilling bit, modular gauge pads therefor and methods of testing or altering such drill bits |
| 09/22/2004 | CN2642983Y Bit sub capable of generating waterpower supercharging pulse at well bottom |
| 09/22/2004 | CN2642982Y Superhigh strength wearable correcting sucker rod |
| 09/22/2004 | CN2642981Y High temperature special electrical heating pumping rod |
| 09/21/2004 | US6793025 Double emulsion based drilling fluids |
| 09/21/2004 | US6793017 Method and apparatus for transferring material in a wellbore |
| 09/21/2004 | US6792735 Advanced processes for coring and grouting masonry |
| 09/21/2004 | US6792665 Method of securing a connection against breakout torque |
| 09/21/2004 | CA2331096C Rod coupling |
| 09/16/2004 | WO2004079246A1 Method for producing a threaded tubular connection sealed by radial expansion |
| 09/16/2004 | WO2004079152A1 Shank adapter for rock drilling machines |
| 09/16/2004 | WO2004079151A2 Drilling with casing latch |
| 09/16/2004 | WO2004018823B1 Interposed joint sealing layer method of forming a wellbore casing |
| 09/16/2004 | US20040178797 Centralizer including measurement means |
| 09/16/2004 | US20040177973 High tensile loading top entry sub and method |
| 09/16/2004 | US20040177956 Drill pipe having an internally coated electrical pathway |
| 09/16/2004 | CA2512547A1 Shank adapter for rock drilling machines |
| 09/15/2004 | EP1123454A4 System, apparatus, and method for installing control lines in a well |
| 09/15/2004 | CN2641268Y Centering guide for oil-pumping use |
| 09/15/2004 | CN2641267Y Ball head shaped, hanging type jointing hoop |
| 09/15/2004 | CN2641266Y Eccentric oil pipe anchor |
| 09/15/2004 | CN2641263Y Drilling rod with increased length |
| 09/15/2004 | CN1529032A Dry-bored semi-helical drilling rod and boring method thereof |
| 09/14/2004 | US6789823 Tubular threaded joint with reinforced stop |
| 09/14/2004 | US6789822 Expandable slotted tubing string and method for connecting such a tubing string |
| 09/14/2004 | US6789632 Rock drilling apparatus |
| 09/14/2004 | US6789621 Intelligent well system and method |
| 09/14/2004 | CA2173864C Drill pipe tubing and casing protectors |
| 09/10/2004 | WO2004076804A1 Drill shoe |
| 09/10/2004 | WO2004076803A1 Protector for downhole control lines and related method |
| 09/10/2004 | WO2004076802A1 System and method for running a control line |