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WO/2007/024757A2 |
Disclosed is a remotely operable top drive safety valve assembly having first and second valve elements. An actuator sleeve moves longitudinally on the main body of the top drive safety valve assembly under the influence of an operating ...
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WO/2007/001732A2 |
A drilling machine includes a frame, two tracks, and a plurality of yokes interconnecting the frame and the tracks. Each yoke is pivotable with respect to the frame by the extension and retraction of a hydraulic cylinder. Each of a plura...
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WO2005121493A9 |
A top drive for wellbore operations, the top drive comprising an alternating current permanent magnet motor (30) having a bore therethrough, a planetary gear apparatus (20) coupled to the alternating current permanent magnet motor (30), ...
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WO/2006/089400A1 |
According to one aspect of the invention, there is provided a method for drilling a hole into the ground and installing a geothermal transfer loop. A drilling apparatus is positioned at a desired location. The drilling apparatus includes...
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WO/2006/089349A1 |
An apparatus for driving a' shaft (12) in an excavating device comprising a plurality of linear actuating devices (19, 20, 21) driven by fluid, a wobble plate device (14, 15, 16) coupled to a shaft and a coupling means (17, 18) coupling ...
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WO2006007240B1 |
The invention comprises retrofit kits for power impact tools. The retrofit kits adapt modular control apparatuses to power impact tools that where not originally manufactured to receive a modular control apparatuses. The retrofit kits in...
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WO/2006/078883A2 |
A double swivel for use with a top drive power unit supported for connection with a well string in a well bore to selectively impart longitudinal and/or rotational movement to the well string, a feeder for supplying a pumpable substance ...
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WO/2006/059146A1 |
An elevator for use in wellbore operations, the elevator comprising a first body member (331) having front and back ends and a second body member (332) having front and back ends, which together form a throat for receiving a pipe, a firs...
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WO/2006/043878A1 |
The invention relates to a drill bushing for engagement with a drilling steel, wherein said drill bushing (2) has contact surfaces (4) for contact with a drilling steel (1) , said contact surfaces (4) having interior, inwards curved shap...
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WO/2005/113928A2 |
A drilling system including a drill head (100) configured to couple to a drill string (20). The drill head including an offset adapter (40), a one-way clutch (115), and a drill bit (130). The drill head being configured to provide straig...
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WO/2005/110020A2 |
An apparatus and method for a modified horizontal directional drilling assembly for drilling pipe into a drilling surface. The drilling assembly comprises a power unit for supplying power to the assembly, a thrust frame adapted to be mov...
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WO/2005/085579A1 |
A boring system and method for same, relating to the boring system and method therefor, in particular to the boring system and method therefor for forming boring holes on the ground, which includes a bit unit for boring the ground, a con...
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WO/2005/047638A2 |
A blast-hole drilling rig includes a carriage, a mast disposed on the carriage, and a rotary head mounted on the mast for up-and-down movement. The rotary head includes: a housing forming an internal chamber, a hydraulically driven motor...
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WO/2005/045177A1 |
A make-up control method and system (100) for creating a threaded connection between a first tubular (106) and a second tubular (114) is provided. The system (100) includes a top drive (101) connected to the first tubular (106) and a con...
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WO2004097160B1 |
Systems and methods for drilling a borehole are provided. One system includes a continuously variable transmission. An input shaft of the continuously variable transmission is coupled to a power supply. An output shaft of the continuousl...
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WO/2005/040548A1 |
A method for controlling the ascent and descent of a tubular member (11) passing through a pipe or casing slip (12) into a well bore. A float control member is affixed beneath the top surface of the pipe or casing slip. The control membe...
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WO/2005/028808A1 |
A method and apparatus for remotely performing a pipe handling operation is provided. In one aspect, the method and apparatus includes a false rotary table (10) capable of supporting one or more tubulars (150, 250) during the pipe handli...
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WO2004079147A9 |
The present invention generally relates to a method and apparatus for drilling with a top drive system. In one aspect, the present invention provides for a top drive system having a top drive (50), top drive adapter (40), and a tubular p...
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WO/2005/021927A1 |
A drilling device with a telescopic arm (2) is described and comprises a drilling member (3) and a drive means (4) with rotor and stator portions for rotating the drilling member (3). The rotor portion of the drive means (4) is connected...
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WO/2004/079155A2 |
The present invention provides a method and apparatus for handling tubulars and drilling with tubulars such as casing into a formation. In one aspect of the invention, the apparatus comprises a circulating head and a cementing head opera...
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WO/2004/011812A2 |
An apparatus and method for controlling an actuator system having an electrical actuator in hydraulic communication with a hydraulic actuator are described. The apparatus includes a controller module in communication with a source of ele...
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WO/2004/011764A1 |
A driving device for installing a pipe or casing, without the use of hydraulic or pneumatic means, by capturing the rotational motion of the drill string. The driving device is placed at the top end of the pipe being (42) installed and t...
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WO/2003/074834A1 |
The present invention concerns a drill in which the perforation tool is directly mounted on a vibrating hammer (4) with eccentric masses (7), installed at the base of the series of telescopic rods that give the perforation motion to the ...
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WO/2003/060280A2 |
A rotary seal assembly for a rotary support table for use in drilling systems and the like to provide pressurized fluid to a rotary slip assembly disposed within the rotary support table. The rotary seal assembly (62) is designed to be c...
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WO/2003/054338A2 |
A pipe running tool (10) for use in an oil drilling system and the like comprises a lower drive shaft (14) adapted to engage a drive shaft (28) of a top drive assembly (24) for rotation therewith. The pipe running tool (10) further inclu...
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WO/2003/025444A2 |
A load compensator (304) is disclosed for use in connection with a pipe running tool (10). The load compensator (304) includes an outer housing (308) connected to the portion of the pipe running tool (10) that holds the pipe segment. A p...
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WO/2003/018951A2 |
A drilling system and a method of using a drilling system (10) that has a first rotatable tubular connector (15), a second non- rotatable tubular connector (16) and a washpipe assembly (34) having at least one dynamic seal (49) and defin...
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WO/2002/014648A1 |
Method and apparatus for drilling, completion well workovers and well control, combining an integrated lifting unit and a coiled tubing unit, the method and apparatus permit running jointed pipe and coil tubing in combination, and standi...
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WO/2001/086107A1 |
The invention relates to a rock drilling machine comprising a rotating device (1), a percussion device (2) and a shank (17) where a tool (18) is to be fastened. According to the inventive idea, lubricant used for lubricating the shank is...
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WO/2001/079652A1 |
A torque head (100) for gripping tubular members has a housing, grip mechanism secured within the housing (102) for selectively gripping a tubular member, the grip mechanism including at least one jaw (141, 142, 143) selectively movable ...
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WO/2001/071154A1 |
An apparatus for handling tubular goods which includes an elongate body having a coupling end adapted for mating engagement with a tubular good. The coupling end includes a structural member (4), a flexible cylindrical (3) cage and a pre...
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WO/2001/069034A2 |
A system (10) for continuously circulating fluid to and through a tubular string either of coiled tubing or made up of a plurality of tubulars connected end-to-end while an upper tubular (32) is added to or removed from a top tubular (26...
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WO/2001/033043A1 |
Method and device for controlling a rock drilling machine (51) comprising an impact device (5) for exerting a drilling tool (52) to impacts, a rotation motor (7) for rotating the drilling tool (52) and a feed motor (6) for feeding the dr...
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WO/2001/025652A2 |
The application refers to equipment for soil engineering, to a system that makes easy the procedures of soil drilling by helical tools, increasing the performance of the machines, speeding up its operation and improving its performance, ...
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WO/2001/021929A1 |
A method for displacing a tube (1) in a borehole (2) in the ground (3) is disclosed. The tube is simultaneously displaced along and about its axis, such that it is axially introduced into or retracted from the borehole. According to the ...
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WO/2001/002691A1 |
The invention relates to a rock drill comprising a mounting frame to which a hammering apparatus and a rotating apparatus is arranged. The mounting frame is made manoeuvrable with respect to a feeding beam by means of slide blocks fasten...
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WO/2000/055470A1 |
A mobile drilling rig for drilling holes into the earth is disclosed. The mast (41) is hinged so that it can be moved from a transporting position to a drilling position. The drill drive (42) may be shifted to a position in which tools m...
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WO/2000/052297A2 |
A pipe running tool for use in an oil drilling system and the like comprises a lower drive shaft adapted to engage a drive shaft (28) of a top drive assembly for rotation therewith. The pipe running tool further includes a lower pipe eng...
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WO/2000/052298A1 |
A power tong set (9), with lead and back-up tongs (9a, b), is mounted on the slip bowl (7) of the traveling jack head (6) of a snubbing unit (2) and rotates with the slip bowl (7). Service lines (or umbelicals) for the tong set are not c...
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WO/2000/022278A1 |
In drilling wells tubular members are added to or removed from the drill string whilst the circulation of mud continues and there is a blind preventer (6) positioned between lower slips and grips (8) engaging a downhole drill string and ...
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WO/1999/053168A1 |
A rotary table for a drill string, including a stationary frame having a rotating part arranged therein, and hydraulic equipment such as hydraulic slips (wedge-shaped holding collars) and a hydraulic clamp on the rotating part, and also ...
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WO/1998/057033A1 |
A method of controlling rock drilling performed by a rock drill provided with a pressure-driven hammer and a rotation motor. In the method, the speed of rotation of the drill rod is defined on the basis of the value of the control signal...
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WO/1998/016716A1 |
A method for drilling wells in which the tubular (5) can be added or removed from the drill string (17) whilst the drill is rotating with the mud and drilling fluids being circulated continuously and kept separated from the environment t...
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WO/1998/000624A1 |
The invention relates to a process for drilling of bores in the ground, removing the drilled material by reverse circulation. A boring tool (100, 200, 300) with a boring head (10; 110; 210) equipped on the lower surface with cutting memb...
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WO/1997/034070A1 |
A device for drilling a bore hole in the ground comprises a rotary drive head and a hollow connecting rod (105) with which the rotary drive head engages and which can be lowered through the rotary drive head into the bore hole. The lower...
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WO/1996/030624A1 |
Apparatus and methods are disclosed for accessing a drill pipe bore through a drill pipe top drive unit (56). The top drive (56) is carried by a traveling block (58) so it may be used for simultaneous application of rotational and longit...
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WO/1996/028630A1 |
The hydraulic tubing machine can be used and is suitable as an attachment for prior art mobile rotary boring installations to take boring tubes in full rotation down to greater boring depths or through harder ground strata without the ne...
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WO/1996/018798A1 |
A method to drill a hole in the soil by a bit assembly and a bit assembly comprising a ring-shaped bit (2) to drill the outer circle of the hole and to which a protection tube system (4), mounted in the hole while drilling, is coupled, a...
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WO/1996/008631A1 |
A portable top drive drilling unit that is a self-contained assembly of components adapted for quick installation in a drilling rig and which requires a minimum of modification to the rig structure.
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WO/1996/006714A1 |
A stand (10) for a stone-working machine, especially a core boring machine, has a support rod (12) and a slide (20) adjustable for height thereon with a tool holder (25) to which can be secured a drive unit (19) and a tool (18) rotatably...
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