| 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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| 03/18/1993 | WO1993005265A1 Automatic sequencing system for earth drilling machine |
| 03/16/1993 | US5193626 Drilling device |
| 03/10/1993 | EP0393060B1 A gripping and rotating tong device |
| 03/09/1993 | US5191939 Casing circulator and method |
| 03/03/1993 | CN2127740Y Polish rod slip for beam-pumping units |
| 03/02/1993 | US5190411 Tension leg well jacket |
| 03/02/1993 | US5190107 Heave compensated support system for positioning subsea work packages |
| 02/25/1993 | DE4127876A1 Drilling holes for explosive charges - involves drill rod mounted on slide which does not project beyond supporting frame |
| 02/23/1993 | US5188174 Apparatus for inserting and withdrawing coil tubing into a well |
| 02/18/1993 | WO1992019837A3 Earth borer |
| 02/18/1993 | DE4127311A1 Hydraulic press station for driving tubular casings to tap water supplies - is located in shaft and comprises press ring and draw bars together with thrust plates |
| 02/17/1993 | EP0527460A2 Method and device for drilling holes in soil or rock, particularly for the insertion of injection anchors |
| 02/16/1993 | US5186436 Electric fence pole installation apparatus |
| 02/16/1993 | US5186266 Multi-walled drill string for exploration-sampling drilling systems |
| 02/16/1993 | US5186253 Portable groundwater sampling device |
| 02/10/1993 | EP0526743A1 Apparatus for inserting wick drains into the earth |
| 02/09/1993 | CA1313523C Feed beam arrangement for a rockdrill |
| 02/04/1993 | WO1993002272A1 Lifting device for down hole tubulars |
| 02/03/1993 | EP0525247A1 Apparatus for gripping a down hole tubular for rotation |
| 02/02/1993 | US5183366 Rod handler apparatus |
| 02/02/1993 | US5183122 Derrick assembly capable of conveying pipe sections between a drill string and a rack for said pipe sections |
| 02/01/1993 | CA2075028A1 Rotary oil well pump and sucker rod lift |
| 01/27/1993 | EP0524648A2 Coiled tubing injector |
| 01/19/1993 | US5180014 System for deploying submersible pump using reeled tubing |
| 01/19/1993 | CA1312855C Gooseneck assembly for rock drill and method for inserting friction rock stabilizer |
| 01/13/1993 | CA2073617A1 Carousel well rig |
| 01/07/1993 | EP0521157A1 Propelling system in small diameter pipe propeller |
| 01/05/1993 | US5176364 Direct drive hydraulic wireline winch assembly |
| 01/05/1993 | US5176207 Underground instrumentation emplacement system |
| 12/30/1992 | EP0520198A1 Round threadform for marine riser top joint |
| 12/30/1992 | EP0315636B1 Method and system for attaching and removing equipment from a wellhead |
| 12/30/1992 | CN1067475A Crawling device |
| 12/29/1992 | US5174389 Carousel well rig |
| 12/29/1992 | US5174175 Actuator for rotatable clamping apparatus |
| 12/22/1992 | US5172776 Diamond drill chuck jaw carrier and assembly |
| 12/22/1992 | US5172765 Method using spoolable composite tubular member with energy conductors |
| 12/22/1992 | US5172613 Power tongs with improved gripping means |
| 12/16/1992 | EP0518114A1 Device for releasably connecting a drill pipe to a rotary drive |
| 12/12/1992 | WO1992022728A1 Method for continuing a measuring operation after recovering a measuring instrument stuck in a well |
| 12/12/1992 | CA2089144A1 Process for continuing a measuring operation after recovering a measuring instrument stuck in a well |
| 12/10/1992 | WO1992021853A1 Hole indexing device for rock drilling |
| 12/10/1992 | WO1992010637A3 Tool for making holes in the ground |
| 12/10/1992 | DE4113847C1 Coupling releasably joining top end of string section with rotary drive pipe hole - uses coupling lever on axis at right angles to radial plane running through lever and rotation axis of drive pipe |
| 12/08/1992 | US5169265 Passive fire protection system for marine risers |
| 12/08/1992 | US5169264 Propulsion process of buried pipe |
| 12/08/1992 | US5168944 Telescopically extensible drill |
| 12/08/1992 | US5168937 Drill feed control utilizing a variable overcenter valve |
| 12/02/1992 | EP0515508A1 Pipe alignment device |
| 12/02/1992 | CN2123603U Deep-pumping moving door type light rod safety slip |
| 12/02/1992 | CN2123602U Clamping apparatus for changing beam-pumping unit portal disc radical |
| 12/02/1992 | CN1019325B Hydraulic oil well repairing machine with energy storage |
| 12/01/1992 | USH1116 Method for introducing reeled tubing into oil and gas wells |
| 12/01/1992 | US5167288 Rod driving tool |
| 12/01/1992 | US5167173 For rotational tubular members |
| 11/24/1992 | CA1310629C Arrangement for guiding drill rods in an extension rod drilling equipment |
| 11/19/1992 | DE4127472C1 Rock drill head used in deep mining - is used with mechanism to handle drive rods and join them together |
| 11/18/1992 | CN2122228U Hydraulic-driven pincers with external hyperboloid clamping mechanism |
| 11/17/1992 | US5163513 Circle threadform for marine riser top joint |
| 11/17/1992 | US5163212 Safety tool for handling of unitized jaw assembly in power sucker rod tongs |
| 11/12/1992 | WO1992019837A2 Earth borer |
| 11/11/1992 | CN1019038B Method of and arrangement for drilling hole in rock |
| 11/10/1992 | US5161439 Pivoting jaw assembly |
| 11/10/1992 | US5161438 For releasing joints |
| 11/04/1992 | CN2120876U Deep-drawer light rod safety tile |
| 11/03/1992 | US5160219 Variable spring rate riser tensioner system |
| 11/03/1992 | US5159860 Rotary for a power tong |
| 11/03/1992 | US5159832 Indicating device |
| 10/29/1992 | WO1992018741A1 Wire line splitting and reassembling method and apparatus |
| 10/29/1992 | DE4113422A1 Erdbohrgeraet Earth drilling |
| 10/28/1992 | CN2120176U Automatic threading-and-thread-off device for hydraulic kelly |
| 10/27/1992 | US5158397 Passive fire protective systems for articulating joints and flexible connections |
| 10/27/1992 | US5158138 Apparatus for shutting in a burning oil well |
| 10/26/1992 | WO1992019841A1 A method and an equipment for adjusting rock drilling |
| 10/26/1992 | CA2109070A1 A method and an equipment for adjusting rock drilling |
| 10/23/1992 | CA2066967A1 Diamond chuck jaw and carrier assembly |
| 10/21/1992 | EP0340280A4 Self-propelled subsoil penetrating tool system |
| 10/21/1992 | CN2119495U Ball type lifting ring of sucker rod |
| 10/15/1992 | WO1992017680A1 New and improved pipe handling clamp |
| 10/15/1992 | DE4112116A1 Coring drill sand with compressed air feed - has transparent cylinder scaled on outside and seal allowing limited movement |
| 10/13/1992 | WO1992018744A1 Rotary for use in a power tong |
| 10/13/1992 | WO1992018743A1 Power tong for releasing tight joints |
| 10/13/1992 | WO1992018742A1 Tong |
| 10/13/1992 | US5153975 Apparatus for effecting bedding-in by screwing and unscrewing of screwthreaded joints for the assembly of tubes |
| 10/07/1992 | EP0507280A1 Apparatus for inserting and withdrawing coil tubing into a well |
| 10/07/1992 | EP0506919A1 Motorized swivel provided with a dynamometric measurement unit. |
| 10/07/1992 | CN2118147U Oil pipe hanging apparatus for borehole of operated well |
| 10/07/1992 | CN2118146U Lifting apparatus for casing in derrick |
| 10/01/1992 | WO1992016713A1 Load cell assembly and tong assembly including said load cell assembly |
| 09/30/1992 | CN2117457U Pneumatic (hydraulic) slip for drilling |
| 09/30/1992 | CN2117456U Electronic bump protecting unit of travelling crane |
| 09/29/1992 | US5150987 Method for installing riser/tendon for heave-restrained platform |
| 09/29/1992 | US5150642 Device for applying torque to a tubular member |
| 09/29/1992 | US5150638 Power tong for making up or breaking out threaded joints of pipe |
| 09/23/1992 | EP0504258A1 Power tongs with improved gripping means |
| 09/23/1992 | CN1018371B Power tongs with openable jaws |
| 09/22/1992 | US5148880 Apparatus for drilling a horizontal controlled borehole in the earth |
| 09/22/1992 | US5148874 High-pressure pipe string for continuous fusion drilling of deep wells, process and device for assembling, propelling and dismantling it |
| 09/22/1992 | US5148871 Tension adapter assembly for completion riser |
| 09/17/1992 | WO1992014028A3 An improved crown block/traveling block system for a well drilling derrick |
| 09/16/1992 | CN2116078U Non-nick pumping rod clamps |