Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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)
12/1998
12/30/1998WO1998059149A1 A method and a device for use in coiled tubing operations
12/30/1998EP0887510A1 Safety switch system for slip-type elevators
12/30/1998EP0886795A1 Device for underground reconnaissance
12/30/1998CA2294634A1 A method and a device for use in coiled tubing operations
12/29/1998US5853118 Gripper block for coiled tubing injectors
12/23/1998WO1998058152A1 Method and apparatus for drilling subsea wells
12/23/1998EP0886034A2 Drilling device
12/23/1998EP0886033A2 Apparatus for handling drill rods
12/22/1998US5850877 For compensating for the weight
12/22/1998US5850874 Drilling system with electrically controlled tubing injection system
12/22/1998US5850766 For effecting relative rotation between two threaded pipes
12/17/1998WO1998057034A1 Method of controlling rock drilling
12/17/1998WO1998057028A1 Casing annulus remediation system
12/17/1998WO1998057027A1 Extension drilling system
12/17/1998WO1998056652A1 Semi-submersible, mobile drilling vessel with storage shaft for tubular drilling equipment
12/17/1998CA2240770A1 Boring apparatus
12/16/1998EP0807203B1 Continuous control system for a mining or tunnelling machine
12/15/1998US5848647 Pipe gripping apparatus
12/15/1998US5848642 Device for coil tubing operations
12/15/1998US5848641 Well pump puller
12/10/1998WO1998055728A1 Apparatus for moving drill rods
12/09/1998CN2299934Y Changeable crescent well-repairing oil pipe elevator
12/08/1998US5846028 Controlled pressure multi-cylinder riser tensioner and method
12/08/1998US5845708 For injecting/withdrawing casing, pipe or tubing into/from a well
12/08/1998US5845549 Used to grip/rotate pipes in subterranean drilling/production operations
12/02/1998EP0881352A2 Drill pipe handling
12/02/1998EP0880636A1 Support of a combined feed-out/feed-in device for a coilable tubing
12/02/1998CN2299148Y Power-driving big tongs
12/01/1998US5844133 Drilling control apparatus of rock drill
12/01/1998US5842530 For the drilling and servicing of bore holes in the earth
12/01/1998US5842390 Dual string backup tong
11/1998
11/26/1998WO1998052720A1 Low friction power tong jaw assembly
11/26/1998DE19721635A1 Hydraulic lifting unit raising large diameter casing tubes from shaft
11/24/1998US5839514 Method and apparatus for injection of tubing into wells
11/24/1998US5839330 Mechanism for connecting and disconnecting tubulars
11/18/1998EP0877851A1 Arrangement for fastening a piston-cylinder arrangement and method for replacing sealings therein
11/17/1998US5838246 Safety apparatus for oil drilling derrick
11/17/1998US5836402 Auger-holder
11/17/1998US5836385 Apparatus for deploying wireline
11/17/1998CA2029896C Blowout preventer for wild well
11/12/1998WO1998050670A1 Method for drilling in the earth, and vessel to be used for this method
11/12/1998WO1998050667A2 Directional drilling apparatus
11/11/1998CN2296929Y Hydraulic oil pipe slip tongs
11/11/1998CN2296928Y Automatic safety operator for oil field well-repairing hydraulic tongs
11/05/1998WO1998049050A1 Riser mounting arrangement for a mooring system
11/05/1998DE19824945A1 Snare unit i.e. rope clamp for catching and supporting drill-string used in earth drilling operations
11/05/1998CA2287160A1 Riser mounting arrangement for a mooring system
11/04/1998EP0874946A1 Arrangement for leading flexible elements to a rock drill, and a hose reel structure
11/04/1998CN2296398Y Rod elevator
11/03/1998CA2139774C Ring gear camming member
11/03/1998CA2135400C Apparatus for connecting and disconnecting threaded members
11/01/1998CA2204214A1 Rotary gear assembly for power tongs
10/1998
10/29/1998WO1998048142A1 Tower
10/28/1998EP0874129A2 Apparatus for gripping a down hole tubular
10/27/1998US5826654 Measuring recording and retrieving data on coiled tubing system
10/20/1998US5823837 For a floating vessel for receiving hydrocarbon product
10/20/1998US5823267 Universal pipe and tubing injection apparatus and method
10/20/1998US5823258 Centralizer apparatus
10/20/1998US5823131 Method and apparatus for disconnecting and retrieving multiple risers attached to a floating vessel
10/20/1998US5823074 Open head foster-style back-up tong
10/20/1998CA2115810C Pipe transfer system
10/15/1998WO1998045569A1 Holder for holding a collapsed tubular
10/15/1998CA2286188A1 Holder for holding a collapsed tubular
10/14/1998CN2294328Y Pin-hook like elevator used for flange disc like drilling means
10/13/1998US5819605 Low friction power tong jaw assembly
10/13/1998US5819604 Interlocking jaw power tongs
10/08/1998WO1998029638A3 Deepwater riser system
10/07/1998EP0868593A1 Apparatus and method for raising and lowering a piston in a piston-cylinder arrangement in a derrick
10/07/1998EP0868592A1 Arrangement in connection with a yoke in a hoisting system for a derrick
10/06/1998US5816565 For lifting a heavy object
10/06/1998US5816479 Method for joining driven pipe
10/06/1998CA2113161C Lifting device for down hole tubulars
10/01/1998WO1998026151A3 Method and device for driving bore holes, specially exploring and extraction drillings in the sea bottom
09/1998
09/30/1998CN2292897Y Hydraulic square gripping device
09/30/1998CN2292896Y Torque monitor for power tongs
09/30/1998CN1194679A Multi-activity offshore exploration and/or development drilling method and apparatus
09/22/1998US5810101 Horizontal drilling machine
09/22/1998US5809916 Inserting device for coiled tubing
09/21/1998CA2203593A1 Coiled tubing handling apparatus
09/17/1998WO1998035127A3 Jaw unit for use in a power tong
09/16/1998EP0864031A1 Tubing injection system for oilfield operations
09/16/1998EP0864030A1 Stretch compensation in a hoisting system for a derrick
09/15/1998US5806616 Arrangement in a rock drilling equipment
09/15/1998US5806589 Apparatus for stabbing and threading a drill pipe safety valve
09/11/1998CA2199653A1 Sucker rod cradle apparatus
09/09/1998EP0862509A1 Improved back-up power tongs
09/08/1998US5803189 Directional boring machine
09/08/1998US5803168 Tubing injector apparatus with tubing guide strips
09/01/1998US5799738 Doweling hole drilling machine
09/01/1998US5799731 Tubing guide with optimized profile and offset
08/1998
08/27/1998WO1998037304A1 Power tong
08/27/1998WO1998036873A1 Jaw assembly
08/27/1998CA2578726A1 Bottom hole assembly and methods of use
08/26/1998EP0860582A1 Method and apparatus for drilling with dual tube drillstring
08/26/1998EP0860581A1 Drilling machine
08/26/1998EP0860580A1 Apparatus for handling drill rods
08/26/1998EP0692064B1 Rod cartridge for a rock drilling equipment
08/25/1998CA2140203C Pipe alignment apparatus for use on wellhead derrick
08/20/1998WO1998036153A1 Support of a number of parallel pipelines/hoses/cables etc. between a surface vessel and a point on the seabed
08/19/1998EP0858547A1 Method and apparatus for injection of tubing into wells
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