Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
Patents for E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables (17,198)
08/1998
08/18/1998US5795107 Rod handling method
08/18/1998US5794723 Drilling rig
08/18/1998US5794716 Vibratory systems for driving elongate members into the earth in inaccessible areas
08/18/1998US5794702 Method for casing a wellbore
08/18/1998US5794700 Offshore fluid transfer system
08/18/1998US5794314 Collapsed tubing holders
08/18/1998CA2036376C Apparatus for recovering a wellhead
08/18/1998CA2027211C Casing circulator and method
08/13/1998WO1998035128A1 Apparatus for gripping a tubular member
08/13/1998WO1998035127A2 Jaw unit for use in a power tong
08/11/1998US5791822 Rod handling apparatus and method
08/11/1998US5791410 Apparatus and method for improved tubular grip assurance
08/11/1998US5791206 For use on a drill rig
08/11/1998CA2055000C Fully articulating ramp extension for pipe handling apparatus
08/06/1998WO1998034005A1 Deployment system and apparatus for running bottomhole assemblies in wells, particularly applicable to coiled tubing operations
08/06/1998WO1998034004A1 Gripping arrangement for gripping casing
08/05/1998EP0856094A1 A method and a device for hauling a casing or the like up from a borehole and for inserting the same down into a borehole
08/05/1998EP0836668A4 Multi-activity offshore exploration and/or development drilling method and apparatus
07/1998
07/30/1998WO1998032948A1 Apparatus and method for aligning tubulars
07/30/1998WO1998032947A1 Apparatus for positioning a tong and drilling rig provided with such an apparatus
07/28/1998US5785458 Trenchless pipeline replacement
07/28/1998US5785132 Backup tool and method for preventing rotation of a drill string
07/23/1998WO1998031963A1 Sealing arrangement
07/23/1998WO1998031914A1 Apparatus and method for improved tubular grip assurance
07/23/1998WO1998019039A3 Apparatus and method for running tubulars
07/23/1998WO1998015712A3 Method of forming wellbores from a main wellbore
07/22/1998CN2286495Y Hydraulic back-up torg
07/16/1998DE19701172A1 Magazine and carriage for sections of drill rod
07/14/1998US5778990 Arrangement in a hydraulically operated rock drilling equipment
07/14/1998US5778988 Drilling apparatus
07/14/1998US5778987 Guided drilling system with shock absorber
07/14/1998US5778981 Device for suspending a sub sea oil well riser
07/14/1998US5778742 Hydraulic backup tong
07/14/1998CA2100411C Double rod cylinder feed system
07/09/1998WO1998029638A2 Deepwater riser system
07/07/1998US5775845 Passive riser tensioner
07/07/1998US5775417 Coiled tubing handling apparatus
07/01/1998EP0850347A1 A method and a device for use in coil pipe operations
06/1998
06/30/1998US5771982 Rock drill
06/25/1998WO1998027445A1 Device for underground reconnaissance
06/24/1998CN2284857Y Power wrench head brake and steering control mechanism
06/18/1998WO1998026153A1 Apparatus for connecting and disconnecting drill rods
06/18/1998WO1998026151A2 Method and device for driving bore holes, specially exploring and extraction drillings in the sea bottom
06/16/1998US5767671 Method of testing the lifeline of coiled tubing
06/16/1998US5765806 In a hollow pipe-like body
06/16/1998US5765643 Method and apparatus for injection of tubing into wells
06/11/1998WO1998024686A1 Method and apparatus for disconnecting and retrieving multiple risers attached to a floating vessel
06/11/1998CA2282696A1 Method and apparatus for disconnecting and retrieving multiple risers attached to a floating vessel
06/10/1998CN2283721Y Reverse marking hole slip for well drawing drill
06/10/1998CN1184199A Catenary riser support
06/09/1998US5762279 Dual draw works heavy hoisting apparatus
06/09/1998US5762150 Drill rod changer assembly
06/09/1998US5762148 Boring tool
06/04/1998WO1998023848A1 Method and arrangement for controlling feed in rock drilling
06/04/1998WO1998023847A1 Arrangement for supporting rock drilling apparatus
06/04/1998WO1998023845A1 Method and apparatus for connecting an underwater flexible riser to a structure on the surface
06/03/1998EP0722531A4 Pipe racker assembly
06/02/1998US5758990 In an offshore structure
06/02/1998US5758553 Break down tong apparatus
05/1998
05/26/1998US5755607 Riser mounting arrangement for a moring system
05/26/1998US5755289 Drilling rig elevator with replaceable clamping inserts and method for installation
05/22/1998WO1998021443A1 Elevator and spider apparatus
05/22/1998CA2271810A1 Elevator and spider apparatus
05/19/1998US5752572 Tractor for remote movement and pressurization of a rock drill
05/14/1998CA2208648A1 Well pump puller
05/12/1998US5749676 Method of accessing a sub sea well and a guide arrangement therefor
05/12/1998CA2088932C Rod guide assembly for rotary applications
05/07/1998WO1998019091A1 Hose supporting arrangement for actuators of rock drill apparatus
05/07/1998WO1998019039A2 Apparatus and method for running tubulars
05/06/1998EP0839257A1 Lightweight intervention system
05/06/1998EP0839255A1 Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing
05/05/1998US5746279 Method and apparatus for changing bits while drilling with a flexible shaft
05/05/1998US5746277 Drilling apparatus
05/05/1998US5746276 Method of rotating a tubular member
04/1998
04/23/1998WO1998016716A1 Continuous circulation drilling method
04/23/1998WO1998016351A1 Interlocking jaw power tongs
04/22/1998EP0836668A1 Multi-activity offshore exploration and/or development drilling method and apparatus
04/21/1998US5740703 Power wrench apparatus having a positive sliding clamp
04/21/1998US5740702 Device for spinning drill pipe in a drill rig
04/16/1998WO1998015713A1 Hydrostatic penetration device and tool for the same
04/16/1998WO1998015712A2 Method of forming wellbores from a main wellbore
04/16/1998CA2272860A1 Hydrostatic penetration device and tool for the same
04/15/1998CN2278763Y Petroleum casing thread cleaning and length measuring device
04/14/1998US5738173 Universal pipe and tubing injection apparatus and method
04/14/1998CA2055482C Arrangement in a pipe handling system
04/09/1998WO1998014686A1 Tubing injection system for oilfield operations
04/08/1998CN2278080Y Hydraulic and pneumatic tong
04/08/1998CN2278079Y Spring type safety pin for hanger
04/07/1998US5735351 Top entry apparatus and method for a drilling assembly
03/1998
03/26/1998WO1998012410A1 Coupling piece for use at simultaneous earth and/or rock drilling with an upper rotary percussion device and a lower percussion device
03/26/1998CA2266494A1 Coupling piece for use at simultaneous earth and/or rock drilling with an upper rotary percussion device and a lower percussion device
03/24/1998US5730471 Apparatus for gripping a pipe
03/19/1998WO1998011322A1 A device for connecting casings
03/19/1998WO1998011011A1 Redundant drawworks
03/19/1998WO1998010899A1 Granular particle gripping surface
03/18/1998EP0829614A1 Drilling apparatus and drilling method
03/18/1998CN2276553Y Multipurpose ball type sucker rod lifting tool
03/17/1998US5727631 Coiled tubing hanger
03/17/1998US5727630 Telescopic joint control line system
03/17/1998US5727432 Manually operable rod holder
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