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) |
---|
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 |