| 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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| 12/01/1993 | CN2148170Y Ground delivery device for oil field well-pulling service |
| 11/30/1993 | US5265683 Floor drive drilling system |
| 11/25/1993 | WO1993023653A1 Device for loosening drilling rods |
| 11/24/1993 | CN2147342Y Sleeve life |
| 11/23/1993 | US5263748 Couplings for standard A.P.I. tubings and casings |
| 11/23/1993 | US5263624 Apparatus for longitudinally driving an elongate body |
| 11/23/1993 | US5263545 Method and apparatus for drilling holes in soil or rock |
| 11/18/1993 | EP0569685A2 Portable self-contained ground water testing assembly |
| 11/16/1993 | US5261493 Method of testing snap type pipe connectors |
| 11/16/1993 | CA2091519A1 Portable self-contained ground water testing assembly |
| 11/11/1993 | WO1993022640A1 A system for measuring the torque applied to a threaded connection between sections of oilfield pipe |
| 11/11/1993 | WO1993022535A2 Tubular handling system |
| 11/10/1993 | EP0423296B1 Device for blocking off a well in open flow |
| 11/09/1993 | US5259275 Apparatus for connecting and disconnecting threaded members |
| 10/26/1993 | US5255751 Oilfield make-up and breakout tool for top drive drilling systems |
| 10/19/1993 | US5253845 Portable well pipe and pump puller |
| 10/13/1993 | EP0565502A1 Pipe handling equipment and method for a rock drilling machine |
| 10/13/1993 | CN2143673Y Inner curved roller slope climbing fastening hydraulic pliers |
| 10/12/1993 | US5252005 Cylinder rod fire protection system |
| 10/12/1993 | US5252004 Rod accumulator riser tensioning cylinder assembly |
| 10/12/1993 | US5251709 Drilling rig |
| 10/07/1993 | DE4210872A1 Drilling rig with windlass drive - for increased vertical travel of drill table on mast |
| 10/06/1993 | EP0439600B1 Drill |
| 09/30/1993 | WO1993019280A1 Load sharing riser tensioning apparatus |
| 09/30/1993 | WO1993019279A1 Emergency catcher for a riser tensioning apparatus |
| 09/29/1993 | EP0562429A1 Earth boring apparatus |
| 09/29/1993 | EP0562147A1 Directional drilling system with eccentric mounted motor and biaxial sensor |
| 09/29/1993 | EP0561936A1 Device for handling long elements such as pipes or drilling pipes |
| 09/25/1993 | CA2091609A1 Ground-boring device |
| 09/23/1993 | DE4209012A1 Pipe puller for underground pipeline laying - has puller press with hollow ram as axial guide for puller element |
| 09/22/1993 | EP0560867A1 Tool for making holes in the ground. |
| 09/22/1993 | EP0504258A4 Power tongs with improved gripping means |
| 09/21/1993 | US5246079 High-efficiency earth boring system |
| 09/21/1993 | US5246068 Apparatus for removing a wellhead cover from a well |
| 09/21/1993 | US5245877 Tong load cell assembly |
| 09/16/1993 | WO1993018276A1 Automatic torque wrenching machine |
| 09/16/1993 | CA2131537A1 Automatic torque wrenching machine |
| 09/14/1993 | US5245265 System to control a motor for the assembly or dis-assembly of two members |
| 09/14/1993 | US5244329 Arrangement in a pipe handling system |
| 09/14/1993 | US5244046 Coiled tubing drilling and service unit and method for oil and gas wells |
| 09/14/1993 | CA1322208C Turret couplings |
| 09/08/1993 | EP0558741A1 Device associated with flexible riser. |
| 09/08/1993 | EP0558567A1 A method for aligning a feeding beam in a rock drilling equipment and a rock drilling equipment and a measuring device. |
| 08/18/1993 | CN2140426Y Semi-automatic drill stem slip |
| 08/10/1993 | US5234053 Reeled tubing counter assembly and measuring method |
| 08/10/1993 | US5233742 Method and apparatus for controlling tubular connection make-up |
| 08/05/1993 | WO1993015303A1 Apparatus for handling down-hole pipes |
| 08/03/1993 | US5232268 Method of breaking a full face of rock for constructing shafts and tunnels |
| 08/03/1993 | US5231899 Drilling rig breakout wrench system |
| 07/31/1993 | CA2059215A1 Hydraulic rod pusher-puller apparatus |
| 07/29/1993 | CA2060123A1 Device for handling down-hole pipes |
| 07/21/1993 | EP0551351A1 Method and equipment for aligning the feeding beam of a rock drilling equipment. |
| 07/21/1993 | EP0551299A1 Method of drilling holes in rock. |
| 07/20/1993 | US5228525 Adaptor for earth boring machine |
| 07/20/1993 | US5228517 Method and apparatus for collecting percolating fluids and apparatus for the installation thereof |
| 07/20/1993 | CA1320577C Method, system & device for determining quality of assembly of tool parts |
| 07/13/1993 | US5226488 Truck mounted boring system |
| 07/08/1993 | WO1993013292A1 Method and device for reestablishment of circulation in an operating well |
| 06/30/1993 | EP0548900A2 Hydraulic drilling machine of telescopic tower type with a rod stowing and handling system |
| 06/29/1993 | CA1319543C Torque hold system and method |
| 06/22/1993 | US5221099 Device for conducting forces into movable objects |
| 06/16/1993 | CN1073144A Elevator for oil extracting ship |
| 06/15/1993 | US5219265 Grapple assembly |
| 06/09/1993 | EP0544852A1 New and improved pipe handling clamp |
| 06/09/1993 | DE4140214A1 Rock boring injection drill anchor rod - is guided by stabilising head with inbuilt threaded nut fixed to rock face |
| 06/08/1993 | CA1318931C Gripping and rotating tong device |
| 06/01/1993 | US5215153 Apparatus for use in driving or withdrawing such earth entering elements as drills and casings |
| 06/01/1993 | US5215151 Method and apparatus for drilling bore holes under pressure |
| 05/25/1993 | US5213449 Apparatus for inserting wick drains into the earth |
| 05/25/1993 | US5213169 Exploration-sampling drilling system |
| 05/25/1993 | US5212885 High gas sealibility makeup for API buttress connections |
| 05/19/1993 | CN2133665Y Double-insurance safety lock structure for drilling hook |
| 05/19/1993 | CA2080989A1 Hole digger |
| 05/18/1993 | US5211681 System for making up or breaking out threaded joints of pipe |
| 05/18/1993 | US5211251 Apparatus and method for moving track guided equipment to and from a track |
| 05/18/1993 | US5211248 Portable soil sampling device and method |
| 05/18/1993 | US5211203 Portable self-contained ground water testing assembly |
| 05/18/1993 | CA2042082C Wellhead seal probe |
| 05/18/1993 | CA1317874C Submerged actuator |
| 05/13/1993 | WO1993009331A1 Oilfield make-up and breakout tool for top drive drilling systems |
| 05/13/1993 | WO1993009330A1 Drill pipe handling |
| 05/12/1993 | CN2132826Y Manually-operated tubing slip for wellhead |
| 05/12/1993 | CN2132825Y Automatic pneumatic pipe elevator |
| 05/11/1993 | US5209302 Semi-active heave compensation system for marine vessels |
| 05/11/1993 | US5209136 For use in a borehole |
| 05/11/1993 | CA1317604C Device for evacuating excavated material for making deep tranches |
| 05/04/1993 | US5207534 Method for conducting offshore well operations |
| 05/04/1993 | US5207128 Tong with floating jaws |
| 04/27/1993 | US5205671 Trenchless pipeline replacement |
| 04/20/1993 | US5203408 Tool saver |
| 04/15/1993 | WO1993007048A1 Device associated with flexible riser |
| 04/13/1993 | US5202680 System for drill string tallying, tracking and service factor measurement |
| 04/06/1993 | US5199821 Method for conducting offshore well operations |
| 04/06/1993 | US5199510 Raise boring head and stem assembly method |
| 04/06/1993 | US5199507 Portable drilling system |
| 04/01/1993 | WO1993006331A1 Well drilling pressure control method and apparatus |
| 03/31/1993 | EP0533716A1 Apparatus for feeding a drilling machine in extension rod drilling. |
| 03/31/1993 | EP0533714A1 Apparatus for storing drill rods. |
| 03/30/1993 | US5197713 Pipe pushing apparatus |
| 03/23/1993 | US5195848 Method and system for developing offshore hydrocarbon reserves |