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)
11/1999
11/16/1999US5984025 Drill pipe tong retaining apparatus
11/16/1999CA2211507C Drill pipe feeding device
11/16/1999CA2139183C Blasthole drill with drill-through pipe rack
11/14/1999CA2271530A1 Circulating nipple and method for setting well casing
11/11/1999WO1999048648A3 Device for surrounding a cylindrical workpiece by shape-connection
11/10/1999EP0954715A1 Sealing arrangement
11/10/1999CN2348093Y Workover tubing lead tongs
11/10/1999CN2348092Y Multi-purpose elevator
11/10/1999CN2348091Y Elevator
11/09/1999US5980157 Ground-boring machine
11/09/1999US5979022 T-bar wireline clamp
11/04/1999WO1998050667A3 Directional drilling apparatus
11/03/1999EP0953725A2 Device for storing and loading reinforced rods for the front and vault of a tunnel
11/02/1999US5978739 Disconnect information and monitoring system for dynamically positioned offshore drilling rigs
11/02/1999US5975207 Method and apparatus for handling drill pipe in a deviated well
11/02/1999US5975203 Apparatus and method utilizing a coiled tubing injector for removing or inserting jointed pipe sections
11/02/1999CA2219175C Cam fluid transfer system
11/02/1999CA2143314C Insert for use in slips
10/1999
10/28/1999WO1999054587A1 Grip valve control system for a rock drill
10/28/1999DE19814232C1 Production of ground bores and-or destruction of old pipe conduits underground
10/28/1999CA2333300A1 Grip valve control system for a rock drill
10/26/1999US5971086 Pipe gripping die
10/26/1999US5971075 Production riser equipped with a suitable stiffener and with an individual float
10/21/1999WO1999053168A1 Rotary table
10/20/1999EP0950146A1 Elevator and spider apparatus
10/19/1999US5967477 Clamps
10/19/1999US5967236 Spill control plug and method
10/14/1999WO1999040260A8 A jack-up, movable drilling platform
10/13/1999EP0948702A2 Apparatus and method for running tubulars
10/13/1999CN2343332Y Safety back-off slip device for sucker rod
10/07/1999WO1999050527A1 Riser tensioning construction
10/07/1999WO1999050136A1 Mooring construction
10/07/1999DE19814033A1 Guide assembly for a drill pipe
10/06/1999EP0947663A1 Apparatus for static earth boring
10/06/1999CN2342089Y Rotary type rope suspending device
10/06/1999CN2342088Y Internal and external slope climbing type open power clipper clamping device
10/05/1999US5960895 Apparatus for providing a thrust force to an elongate body in a borehole
10/05/1999US5960885 To run intervention equipment into a well during/after completion
09/1999
09/30/1999WO1999048794A1 Pipe running system and method
09/30/1999WO1999048648A2 Device for surrounding a cylindrical workpiece by shape-connection
09/30/1999WO1999029999A9 Handling assembly for tubulars and related method
09/30/1999DE19813698A1 Bohrgestängemagazin Bohrgestängemagazin
09/30/1999DE19813560A1 Rock drill magazine
09/30/1999DE19812958A1 Vorrichtung zum kraftschlüssigen Umschließen eines zylinderförmigen Werkstückes Means for frictionally surrounding a cylindrical workpiece
09/30/1999CA2233817A1 Trenchless replacement of smaller diameter pipe sections
09/29/1999EP0945588A2 Magazine for drilling rods
09/29/1999EP0945587A1 Riser tensioning construction
09/29/1999EP0945337A1 Mooring construction
09/29/1999CN2340891Y Clamp device for power tongs
09/29/1999CN1230240A Device for connecting casings
09/28/1999US5957431 Stack lifter for a blowout preventer
09/28/1999CA2089638C Rotary for use in a power tong
09/21/1999US5954209 Boring rod magazine
09/21/1999CA2136559C Bottom hole drilling assembly
09/16/1999DE19810707A1 Vorrichtung zur Herstellung von Bohrlöchern mit Einzel- oder Doppelgestänge A device for producing drilled holes with a single or double telescopic
09/15/1999EP0942146A2 Device for drilling boreholes with single and double drilling tubes
09/15/1999EP0941200A1 Method and apparatus for disconnecting and retrieving multiple risers attached to a floating vessel
09/14/1999US5951227 Deep water lowering apparatus
09/14/1999US5950991 Force transmitting apparatus
09/14/1999US5950741 Extended soil sampling head
09/14/1999US5950737 For a riser of an offshore well platform
09/10/1999WO1999045237A1 An arrangement for drilling slots
09/10/1999WO1999045230A1 Elevator
09/08/1999EP0939687A1 Interlocking jaw power tongs
09/08/1999CN2337309Y Safety elevator
09/07/1999US5947642 Method and apparatus for connecting an underwater flexible riser to a structure on the surface
09/02/1999WO1999043920A1 Drilling tower
09/01/1999CN2336082Y Safety device for hydraulic clamping tail line
08/1999
08/31/1999US5944099 Infuser for composite spoolable pipe
08/24/1999US5941324 Drilling apparatus
08/24/1999US5941320 Directional boring machine
08/19/1999WO1999041487A1 Downhole coiled tubing recovery apparatus
08/19/1999WO1999041486A1 Apparatus and method for handling of tubulars
08/19/1999WO1999041485A1 Apparatus for delivering a tubular to a wellbore
08/19/1999WO1999041142A1 Spar system
08/19/1999CA2325875A1 Apparatus and method for handling of tubulars
08/18/1999CN2333822Y Sucker rod make-up device
08/17/1999US5937943 Tubing insertion and withdrawal apparatus for use with a live well
08/12/1999WO1999040260A1 A jack-up, movable drilling platform
08/12/1999CA2261413A1 Tubing insertion and withdrawal apparatus for use with a live well
08/11/1999EP0934483A1 Hose supporting arrangement for actuators of rock drill apparatus
08/10/1999US5934537 Device for pushing or pulling using gripping
08/10/1999US5934387 Method for determining the position of a tool of a rock drill
08/05/1999WO1999039078A1 Closed loop control system for diamond core drilling
08/05/1999WO1999038763A1 An arrangement for a drilling/production vessel with geostationary anchoring
08/05/1999DE19803596A1 Proportional hydraulic valve controlling sliding drilling head driving horizontal boreholes
08/05/1999CA2322893A1 Closed loop control system for diamond core drilling
08/05/1999CA2318990A1 An arrangement for a drilling/production vessel with geostationary anchoring
08/04/1999EP0932745A1 Continuous circulation drilling method
08/04/1999CN2331484Y Automatic control device for hydraulic power wrench
08/03/1999US5931602 Device for oil production at great depths at sea
08/03/1999US5931442 Submersible work vessel for installing a blow out preventer
08/03/1999US5931238 Apparatus for storing and handling drill pipe
08/03/1999US5931235 Cutter head, boring jig and device and process for sea bottom boring
08/03/1999US5931231 Blast hole drill pipe gripping mechanism
08/03/1999US5931229 Through tubing gravel pack system and method of gravel packing
08/03/1999CA2097911C Power tong for releasing tight joints
07/1999
07/27/1999US5927408 Head brake release with memory and method of controlling a drill head
07/27/1999US5927405 For insertion into a well to displace well fluid
07/21/1999CN2329759Y Torque sensor for power tongs