| 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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| 05/15/1996 | EP0578656B1 Rotary for use in a power tong |
| 05/15/1996 | DE4440550A1 Device for inserting probe into bore hole |
| 05/15/1996 | CN1122405A Binding method and adhesive for rope clamp of oil pumping unit |
| 05/09/1996 | DE19540427A1 Vorrichtung zum Speichern und Handhaben einer Stange aus Verbundmaterial Apparatus for storing and manipulating a rod made of composite material |
| 04/30/1996 | US5511614 Hydraulic system for servicing water pumps in wells |
| 04/24/1996 | EP0708226A2 A brake for a hoisting apparatus |
| 04/24/1996 | CN2225536Y Fixing clamp for rope hanging device |
| 04/23/1996 | US5509316 System for measuring the torque applied to a threaded connection between sections of oilfield pipe |
| 04/18/1996 | WO1996011322A1 No load derrick for drilling rig |
| 04/17/1996 | EP0706605A1 Drill pipe handling |
| 04/16/1996 | US5507354 Post hole digger |
| 04/13/1996 | CA2117968A1 Resilient hoisting plug for drill rods and the like |
| 04/10/1996 | EP0705378A1 Equipment for handling drill rods |
| 04/09/1996 | US5505565 Apparatus for making up threaded pipe joints into a pipeline |
| 04/02/1996 | US5503234 Drill rig |
| 03/26/1996 | US5501286 Method and apparatus for displacing a top drive torque track |
| 03/21/1996 | WO1996008634A1 Pressurized sheave mechanism for high pressure wireline service |
| 03/20/1996 | EP0701531A1 Apparatus for gripping a down hole tubular |
| 03/20/1996 | CN1031336C Elevator for oil extracting ship |
| 03/20/1996 | CN1031335C Method and system for conducting offshore well operations |
| 03/19/1996 | CA2084852C System for making up or breaking out threaded joints of pipe |
| 03/19/1996 | CA2055007C Method of and apparatus for running a wireline to a steering tool coupled with a downhole mud motor |
| 03/17/1996 | WO1996008633A1 A device for coil tubing operations |
| 03/08/1996 | CA2131614A1 Well casing alignment apparatus |
| 03/07/1996 | WO1996007014A1 Arrangement for mounting swing cylinders in boom for rock drilling unit |
| 03/07/1996 | WO1996007013A1 Arrangement in boom for rock drilling unit |
| 03/07/1996 | WO1996007012A1 Arrangement for controlling boom for rock drilling unit |
| 03/05/1996 | US5495755 Slick line system with real-time surface display |
| 02/29/1996 | DE4430245A1 Pressure dividing cylinder group for hydraulic systems |
| 02/20/1996 | CA1338064C Ground anchor installing apparatus |
| 02/19/1996 | EP0706605A4 Drill pipe handling |
| 02/13/1996 | CA2140085A1 Grease applicator for a drill shaft |
| 02/06/1996 | US5488992 Spoolable flexible sliding sleeve |
| 02/06/1996 | CA2055030C Mobile drilling rig for closely spaced well centers |
| 01/31/1996 | EP0694675A1 Fixing and clamping tensioning device for a tow rope connected to a boring ram |
| 01/31/1996 | EP0694115A1 Drilling arrangement and drilling feed mechanism |
| 01/31/1996 | EP0694112A1 Rock drill |
| 01/23/1996 | US5486070 Method for conducting offshore well operations |
| 01/17/1996 | EP0692608A1 Procedure for evaluating the friction characteristics of a shouldered threaded connection |
| 01/17/1996 | EP0692064A1 Rod cartridge for a rock drilling equipment |
| 01/17/1996 | EP0692063A1 Gripping arm for a rock drilling equipment or the like provided with a cartridge for rods |
| 01/16/1996 | US5484222 Apparatus for gripping a pipe |
| 01/16/1996 | US5484040 Slip-type gripping assembly |
| 01/16/1996 | CA2055031C Method and apparatus for controlling the transfer of tubular members into a shelter |
| 01/10/1996 | CN2217100Y Device for automatically adjusting rod stroke |
| 01/09/1996 | US5482406 Variable spring rate compression element and riser tensioner system using the same |
| 01/04/1996 | WO1996000359A1 Device for laying flexible conduits from a floating support |
| 01/03/1996 | CN2216586Y Upper, lower drill floor for drill |
| 01/02/1996 | US5480266 Tensioned riser compliant tower |
| 01/02/1996 | US5479990 Rising centralizing spider |
| 12/19/1995 | US5476148 Tool for maintaining wellbore penetration |
| 12/13/1995 | EP0578654B1 Tong |
| 12/13/1995 | EP0558741B1 Device associated with flexible riser |
| 12/12/1995 | CA2019635C Overcenter valve control system and method for drilling |
| 12/12/1995 | CA2018826C Detachable torque transmitting tool joint |
| 12/06/1995 | EP0685631A1 Holding device for supporting drilling rods |
| 12/06/1995 | EP0685630A2 Mounting apparatus for dual drill pipe |
| 11/29/1995 | CN2213836Y Callipers device for mouse hole |
| 11/21/1995 | US5468121 Apparatus and method for positioning drill pipe in a mousehole |
| 11/21/1995 | US5467833 System for lifting tubulars and equipment below the main deck of platforms |
| 11/15/1995 | EP0578657B1 Power tong for releasing tight joints |
| 11/15/1995 | CN2212654Y Bidirectional half-arc oil pipeline slipway clamp |
| 11/14/1995 | US5465793 Spoolable flexible hydraulic controlled annular control valve |
| 11/09/1995 | DE4415945A1 Hydraulic-pneumatic installation for vehicle or machinery |
| 11/08/1995 | CN2212071Y Anti-slip safety crane clip pin |
| 11/08/1995 | CN2212070Y Safety pin of crane clip |
| 11/08/1995 | CN2212069Y Self holding hydraulic clamp support rack of working machine |
| 11/08/1995 | CN1111317A Coiled well screen |
| 10/26/1995 | WO1995028549A1 Arrangement in a hydraulically operated rock drilling equipment |
| 10/26/1995 | WO1995028316A1 A device for oil production at great depths at sea |
| 10/26/1995 | CA2187630A1 Arrangement in a hydraulically operated rock drilling equipment |
| 10/18/1995 | CN2210246Y Hydraulic apparatus for lifting well tube |
| 10/17/1995 | US5458454 Tubular handling method |
| 10/17/1995 | US5458207 Method and an equipment for adjusting rock drilling |
| 10/10/1995 | US5456325 Method and apparatus for driving a probe into the earth |
| 10/03/1995 | US5454419 Method for lining a casing |
| 09/27/1995 | EP0674095A2 Well screen with coiled element |
| 09/27/1995 | EP0674094A1 Running downhole tools with coiled tubing |
| 09/26/1995 | US5452923 Coiled tubing connector |
| 09/26/1995 | CA2073203C Power tong for making up or breaking out threaded joints of pipe |
| 09/21/1995 | WO1995025216A1 Manipulator-arm for auxiliary-tool for the joining of drillpipe |
| 09/20/1995 | CN2208094Y Fast smooth rod clamp |
| 09/19/1995 | US5451129 Pipe transfer system |
| 09/19/1995 | US5451084 Insert for use in slips |
| 09/06/1995 | EP0548303B1 Method for continuing a measuring operation after recovering a measuring instrument stuck in a well |
| 09/05/1995 | US5447392 Backspan stress joint |
| 08/31/1995 | WO1995023276A1 Arrangement and method for controlling boom actuating cylinders in rock drilling equipment |
| 08/31/1995 | CA2183970A1 Arrangement and method for controlling boom actuating cylinders in rock drilling equipment |
| 08/30/1995 | EP0455685B1 System to control a motor for the assembly or dis-assembly of two members |
| 08/17/1995 | DE4412776C1 Supporting unit to grip and feed the drill string of a boring tool |
| 08/08/1995 | US5439321 Interruptive mobile production system |
| 08/08/1995 | US5439066 Method and system for downhole redirection of a borehole |
| 08/03/1995 | WO1995020471A1 Power tong wrench |
| 08/02/1995 | CN2204331Y Multi-clip clamping device |
| 08/01/1995 | US5437527 Arrangement in a pipe handling system |
| 07/25/1995 | US5435395 Method for running downhole tools and devices with coiled tubing |
| 07/25/1995 | US5435213 Ring gear camming member |
| 07/19/1995 | EP0487614B1 Friction grip for tubular goods |
| 07/18/1995 | US5433423 Elastomeric strut for an elastomeric riser tensioner |
| 07/18/1995 | US5433128 Sucker rod coupling tool and method |