| 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) |
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| 07/13/1995 | WO1995018913A1 Feed-extension cylinder arrangement in a feed beam for a rock drill |
| 07/13/1995 | WO1995018912A1 Feed beam for a rock drill |
| 07/13/1995 | CA2180536A1 Feed-extension cylinder arrangement in a feed beam for a rock drill |
| 07/12/1995 | EP0551332B1 Apparatus and method for making and breaking joints in drill pipe strings |
| 07/11/1995 | US5432709 Computer control system for portable self-contained ground water testing assembly |
| 07/11/1995 | US5431234 Ground-drilling device |
| 07/11/1995 | US5430919 Sucker rod guide clamping devices |
| 07/05/1995 | CN2202797Y Oil pipe hanging pliers |
| 06/29/1995 | DE4344212A1 Transporter for assembling pipes |
| 06/27/1995 | US5427180 System for tensioning risers by means of articulated grid |
| 06/20/1995 | US5425559 Radially deformable pipe |
| 06/20/1995 | US5425420 Spoolable coiled tubing completion system |
| 06/20/1995 | CA2064625C Method and apparatus for breaking a full face of rock for constructing mines and tunnels |
| 06/15/1995 | WO1995016102A1 Method for abandonment of subseawells |
| 06/14/1995 | EP0656986A1 Insert for use in slips. |
| 06/13/1995 | US5423390 For handling pipe |
| 06/13/1995 | US5423383 Spoolable flexible hydraulic controlled coiled tubing safety valve |
| 06/08/1995 | WO1995015427A1 Jacking tool for coil tubing unit |
| 05/30/1995 | CA2130869A1 Steering drill bit while drilling a bore hole |
| 05/17/1995 | EP0533714B1 Apparatus for storing drill rods |
| 05/09/1995 | US5413170 Spoolable coiled tubing completion system |
| 05/04/1995 | WO1995012051A1 Tool for maintaining wellbore penetration |
| 05/04/1995 | WO1995012040A1 Drilling apparatus |
| 05/04/1995 | CA2175361A1 Drilling apparatus |
| 05/03/1995 | EP0650548A1 Rod accumulator riser tensioning cylinder assembly |
| 05/02/1995 | US5411085 Spoolable coiled tubing completion system |
| 05/02/1995 | US5411081 Spoolable flexible hydraulically set, straight pull release well packer |
| 05/02/1995 | US5410924 Shear gripping apparatus and method |
| 04/26/1995 | EP0649360A1 Ring gear camming member |
| 04/20/1995 | WO1995010687A1 Pipe racker assembly |
| 04/20/1995 | WO1995010686A1 Positioning apparatus for a power tong |
| 04/20/1995 | CA2160711A1 Positioning apparatus for a power tong |
| 04/19/1995 | EP0506919B1 Motorized swivel provided with a dynamometric measurement unit |
| 04/11/1995 | US5404757 Device for driving rods used primarily for soil mechanics tests into the ground |
| 04/06/1995 | DE4333513A1 Catcher for casings and conveying pipes |
| 04/05/1995 | EP0646694A2 Pipe transfer system |
| 04/05/1995 | EP0434712B1 A method and an apparatus for pushing pipes along a pipe line |
| 04/04/1995 | US5402688 Method and apparatus for determining the tightened condition of a pipe joint |
| 03/30/1995 | WO1995008693A1 Arrangement for controlling the feed mechanism of a rock drill |
| 03/28/1995 | US5401104 Rod guide assembly for rotary applications |
| 03/22/1995 | CN2192716Y Lift sub without cross-pin |
| 03/21/1995 | US5398546 Determination of drill bit rate of penetration from surface measurements |
| 03/14/1995 | US5396967 Post hole digger |
| 03/14/1995 | US5396952 Drilling rig kelly spinner |
| 03/14/1995 | CA2055421C Trenchless pipeline replacement |
| 03/09/1995 | WO1995006800A1 Arrangement for mounting slides |
| 03/07/1995 | US5395183 Offshore drilling apparatus |
| 03/07/1995 | US5394951 Bottom hole drilling assembly |
| 03/07/1995 | US5394774 Power tong with interchangeable jaws |
| 03/01/1995 | EP0445194B1 Assembly for use in a belttong |
| 02/28/1995 | CA2049238C Direct drive hydraulic wireline winch assembly |
| 02/22/1995 | CN1099095A Chain type free roller slope-climbing hydraulic tongs |
| 02/21/1995 | US5390747 Well rig lift system and a hydraulic energy-storing well rig lift system |
| 02/21/1995 | US5390568 For coupling/uncoupling threaded length of pipe |
| 02/16/1995 | WO1995004868A1 Jaw clamp for a mechanical or hydraulic rod lifter |
| 02/14/1995 | US5388654 Ground-boring device |
| 02/14/1995 | US5388653 Directional drilling apparatus |
| 02/14/1995 | US5388652 Apparatus on a drilling tower for gripping a drill casing |
| 02/14/1995 | US5388651 Top drive unit torque break-out system |
| 02/14/1995 | US5388647 Sucker rod back off tool |
| 02/09/1995 | WO1995004290A1 Improved slick line system with real-time surface display |
| 02/07/1995 | US5386746 For applying high torques to sections of connected pipe |
| 02/01/1995 | CN2188648Y Open mouth power tongs |
| 01/31/1995 | CA2021672C Coiled tubing velocity string hangoff method and apparatus |
| 01/24/1995 | US5383524 Method and equipment for aligning the feeding beam of a rock drilling equipment |
| 01/18/1995 | CN2187674Y Hydraulic pliers for petroleum pipe |
| 01/18/1995 | CN2187673Y Power pliers seat |
| 01/17/1995 | US5381861 Drive head for flexible conveyor fluid lifting system |
| 01/12/1995 | WO1995001496A1 Arrangement in a rock drilling equipment |
| 01/11/1995 | CN2187223Y Plug-in casing head |
| 01/05/1995 | WO1995000737A1 Equipment for handling drill rods |
| 01/03/1995 | US5377767 Hole digger |
| 12/28/1994 | EP0630440A1 Slip-type gripping assembly |
| 12/28/1994 | EP0533716B1 Apparatus for feeding a drilling machine in extension rod drilling |
| 12/28/1994 | CN2186293Y Fixed torque controller of power pliers |
| 12/27/1994 | US5375945 Method and apparatus for thrusting a pipeline into bore hole |
| 12/27/1994 | US5375897 Well pipe elevator for well drilling |
| 12/27/1994 | US5375667 Stowing and handling system for rods used in drilling rigs |
| 12/27/1994 | CA2012933C Directional rod pusher |
| 12/21/1994 | EP0629260A1 Automatic torque wrenching machine |
| 12/14/1994 | CN2185318Y Braking mechanism for head of improved clasping spring type power pliers |
| 12/07/1994 | CN2184775Y Power clamp clipping device with square and round clip |
| 12/06/1994 | US5370180 Downhole oil and gas well jacking tool for use with coil tubing unit |
| 12/06/1994 | CA1333389C Post hole digger |
| 12/06/1994 | CA1333388C Device for positioning and stabbing casing from a remote selectively variable location |
| 11/29/1994 | US5368113 Device for positioning equipment |
| 11/29/1994 | US5368100 Coiled tubing actuated sampler |
| 11/23/1994 | CN2183443Y Sepecial safety caliber for material-exploration drilling machine |
| 11/22/1994 | US5366324 Riser tensioner system for use on offshore platforms using elastomeric pads or helical metal compression springs |
| 11/15/1994 | US5363920 Elastomeric passive tensioner for oil well risers |
| 11/08/1994 | US5361831 Rod coupling breakout device |
| 11/01/1994 | US5360075 Steering drill bit while drilling a bore hole |
| 10/27/1994 | WO1994024456A1 Variable spring rate compression element and riser tensioner system using the same |
| 10/27/1994 | WO1994024410A1 Rod cartridge for a rock drilling equipment |
| 10/27/1994 | WO1994024409A1 Gripping arm for a rock drilling equipment or the like provided with a cartridge for rods |
| 10/27/1994 | WO1994024408A1 Drilling arrangement and drilling feed mechanism |
| 10/27/1994 | WO1994024406A1 Oil well tensioning ring and riser assembly |
| 10/27/1994 | WO1994024403A1 Rock drill |
| 10/27/1994 | CA2160987A1 Drilling arrangement and drilling feed mechanism |
| 10/26/1994 | EP0621395A1 System for tensioning risers using a supporting grid |