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