| 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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| 09/16/1992 | CN2116077U Light barrel-type pumping rod elevator |
| 09/16/1992 | CN2116076U Safety cat head drop-hanger for driller |
| 09/15/1992 | USRE34063 Monitoring torque in tubular goods |
| 09/15/1992 | US5147148 Heave-restrained platform and drilling system |
| 09/15/1992 | US5146989 Apparatus for recovering a wellhead |
| 09/15/1992 | CA1307519C Apparatus and method for installing a conduit with an arcuate bore |
| 09/09/1992 | CN1064337A Method of installing well conductors |
| 09/08/1992 | US5144868 For rotating a pipe |
| 09/01/1992 | US5143153 Rotary oil well pump and sucker rod lift |
| 08/26/1992 | EP0499737A1 Installation of conductors for offshore well platforms |
| 08/20/1992 | WO1992014029A1 Apparatus for carrying out subsea wireline operations |
| 08/20/1992 | WO1992014028A2 An improved crown block/traveling block system for a well drilling derrick |
| 08/18/1992 | US5139097 Rock drilling apparatus |
| 08/13/1992 | DE4103196A1 Thrust bore earth drilling machine - has hammer action applied to boring tool |
| 08/12/1992 | CN1017819B Feeding device for rock drilling machine |
| 08/06/1992 | WO1992012923A1 Apparatus for lifting heavy equipment |
| 08/04/1992 | US5135327 Sluice method to take TLP to heave-restrained mode |
| 07/29/1992 | CN2111358U Electric (pneumatic) lift sub for oil well construction |
| 07/29/1992 | CN1063138A Oil pipe carrier |
| 07/29/1992 | CN1063082A Method and system for conducting offshore well operations |
| 07/28/1992 | US5133405 Coil tubing injector unit |
| 07/22/1992 | CN2110707U Multipurpose gripping device for repairing well |
| 07/22/1992 | CN2110706U Semi-automatic locking pin type hook |
| 07/22/1992 | CN1017538B Apparatus for clamping drill rods |
| 07/21/1992 | US5131475 System for controlling drilling force of a telescoping rock drill |
| 07/14/1992 | US5129764 Device to feed reinforcement rods |
| 07/14/1992 | CA1305127C Line reeving system for earth drilling machine |
| 07/09/1992 | WO1992011439A1 Device for handling long elements such as pipes or drilling pipes |
| 07/07/1992 | US5127790 Pipe and casing handling method |
| 07/07/1992 | CA1304588C Method of installing a template on the seafloor |
| 07/01/1992 | CN2108791U Inner clip elevator for drill set |
| 06/30/1992 | US5125148 Drill string torque coupling and method for making up and breaking out drill string connections |
| 06/30/1992 | CA1304285C Deployment/retrieval method and apparatus for well tools used with coiled tubing |
| 06/25/1992 | WO1992010637A2 Tool for making holes in the ground |
| 06/23/1992 | US5123484 Pipe handling clamp |
| 06/17/1992 | EP0329678B1 Method and device for replacing damaged pipes buried in the ground |
| 06/17/1992 | DE4104896C1 Rod holder used for drill shaft - includes angle iron frame in which two grooved pulleys are mounted on parallel axes |
| 06/17/1992 | CN2107520U Suspension cable device for sucker |
| 06/16/1992 | US5122023 Fully articulating ramp extension for pipe handling apparatus |
| 06/16/1992 | US5121802 Method and arrangement for controlling a rock drilling apparatus |
| 06/16/1992 | US5121797 Methods and apparatus for shutting in a burning oil well |
| 06/16/1992 | US5121793 Capping equipment for blowout well |
| 06/16/1992 | CA1303602C Method and an apparatus for pushing pipes along a pipe line |
| 06/11/1992 | WO1992009787A1 A method for aligning a feeding beam in a rock drilling equipment and a rock drilling equipment and a measuring device |
| 06/10/1992 | EP0489188A1 Unit for making-up and breaking out annular blow out preventers of threaded type |
| 06/09/1992 | US5119890 Vibration dampened table bushing assembly for rotary drilling machines |
| 06/05/1992 | CA2056483A1 Rod handler apparatus |
| 06/02/1992 | CA1302391C Compact casing tongs for use on top head drive earth drilling machine |
| 06/02/1992 | CA1302390C Oil well rig with pipe handling apparatus |
| 05/29/1992 | WO1992008873A1 A cartridge for drill rods |
| 05/26/1992 | US5116164 Device to load reinforcement rods |
| 05/26/1992 | US5116095 Apparatus for lifting heavy equipment |
| 05/26/1992 | US5115861 Tubing guide |
| 05/20/1992 | EP0486324A2 Gripper blocks for reeled tubing injectors |
| 05/20/1992 | EP0245370B1 Powered pipe wrench |
| 05/19/1992 | US5113936 Wellhead seal probe |
| 05/19/1992 | CA1300986C Catamaran-type semisubmersible drilling vessel for offshore drilling |
| 05/12/1992 | US5111801 Apparatus for forming slit in rock and concrete surface |
| 05/05/1992 | US5109934 Mobile drilling rig for closely spaced well centers |
| 05/05/1992 | CA1300284C Methods and apparatus for safely handling radioactive sources in measuring-while-drilling tools |
| 04/29/1992 | CN2103001U Two-use tube screw machine |
| 04/29/1992 | CN2103000U Power change, recovery steel cable device for petroleum wellsite |
| 04/28/1992 | US5107940 Top drive torque restraint system |
| 04/28/1992 | US5107933 Hydraulic drilling outfit |
| 04/28/1992 | US5107705 Video system and method for determining and monitoring the depth of a bottomhole assembly within a wellbore |
| 04/24/1992 | CA2054039A1 Well pipe hoist and hoisting method |
| 04/21/1992 | US5105878 Electrical system including a connector, cable and cartridge for slant hole drilling |
| 04/21/1992 | US5105687 Built-in rack apparatus |
| 04/21/1992 | CA1299166C Internal wrench for a top head drive assembly |
| 04/20/1992 | WO1992007162A1 Motorized swivel provided with a dynamometric measurement unit |
| 04/20/1992 | WO1992006822A1 Improved torque transfer apparatus |
| 04/16/1992 | WO1992006279A1 Method and equipment for aligning the feeding beam of a rock drilling equipment |
| 04/16/1992 | WO1992006276A1 Method of drilling holes in rock |
| 04/13/1992 | WO1992007164A1 Apparatus and method for making and breaking joints in drill pipe strings |
| 04/09/1992 | DE4031688A1 Mobile drill for hollow auger drilling - consists of drill rig mounted on back of commercial vehicle and has swinging mast |
| 04/09/1992 | DE4031687A1 Small drill incorporated in vertical frame - is mounted on two-wheel chassis and has hollow auger operated by system of steel cables and windlasses |
| 04/08/1992 | EP0479583A2 Method for non-abrasively running of tubing |
| 04/07/1992 | US5101905 Riser tensioner system for use on offshore platforms |
| 04/02/1992 | WO1992005533A1 Identifying metal articles |
| 04/01/1992 | EP0477728A1 Drill rod magazine for drilling machine |
| 04/01/1992 | CN2100478U Spider for reconditioning wells |
| 03/31/1992 | US5099725 Torque transfer apparatus |
| 03/24/1992 | US5098163 Controlled fracture method and apparatus for breaking hard compact rock and concrete materials |
| 03/24/1992 | US5097901 Apparatus for removing fluids from a well |
| 03/24/1992 | CA1297867C Arrangement for supporting of a shank of a drilling machine |
| 03/18/1992 | CN2099187U Semi-flexible powered splitting pliers |
| 03/11/1992 | EP0474481A2 Device for applying torque to a tubular member |
| 03/10/1992 | US5094340 Gripper blocks for reeled tubing injectors |
| 03/10/1992 | US5094302 Drilling rig |
| 03/03/1992 | US5092399 Apparatus for stabbing and threading a drill pipe safety valve |
| 02/26/1992 | EP0280705B1 Process and device for producing drilling holes from an angled position in relation to the drilling axes |
| 02/25/1992 | US5090486 Multi-purpose earth drill |
| 02/20/1992 | WO1992002709A1 Controlled fracture method and apparatus for breaking hard compact rock and concrete materials |
| 02/19/1992 | CN2096630U Winch device of test well vehicle |
| 02/18/1992 | US5090039 Inspecting coiled tubing for well operations |
| 02/18/1992 | US5088559 Method and apparatus for running wireline and reeled tubing into a wellbore and stuffing box used in connection therewith |
| 02/13/1992 | DE4025243A1 Drill rod assembly for exploratory and other drilling - has hollow drill rods having continuous outer spirals, clear internal passages, polygonal ends and spring-loaded locking pins |
| 01/30/1992 | DE4015300C1 Drill stem clamping system - incorporates hydraulic actuator and flange seated in roller bearing |
| 01/28/1992 | US5083356 Collar load support tubing running procedure |
| 01/21/1992 | US5081888 Apparatus for connecting and disconnecting threaded members |