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Matches 1,301 - 1,350 out of 13,867

Document Document Title
WO/2014/098776A3
Multimodal rock disintegration by non-contact thermal effect, spallation, melting, evaporation of a rock through a movable electric arc, arc thermal expansion and subsequent shock pressure wave allows in comparison with currently availab...  
WO/2014/187804A1
The invention relates to a rock drilling rig and a method of monitoring drilling. The rock drilling rig (1) is provided with a boom (4) and drilling unit (8) therein. Drilling is monitored by means of a monitoring system (11) comprising ...  
WO/2014/187473A1
The invention relates to a rock drilling rig and a method of monitoring drilling. The rock drilling rig (1) is provided with a boom (4) and drilling unit (8) therein. Drilling is monitored by means of a monitoring system (11) comprising ...  
WO/2014/186889A1
The present invention relates in one embodiment to an offshore drilling rig configured for lowering and/or raising a string of tubular equipment into a subsea bore-hole. The drilling rig may comprise: a drill deck; a first hoisting syste...  
WO/2014/187171A1
Disclosed is a method for networked reinforcement of cross boreholes of an outburst coal seam, which is particularly applicable to the reinforcement of the cross boreholes for pre-extracting coal roadway strip gas in the outburst coal se...  
WO/2014/065764A3
The nature of the invention lies in the gradual treatment of rocks vapours in a mixture of carrier and cooling gases and their gradual applying in layers which are forming a casing on walls of a borehole. It describes the adjustments and...  
WO/2014/186287A1
An apparatus for drilling a borehole into an earth formation includes: a drill bit configured to be rotated to drill into the formation; a drill tubular coupled to the drill bit and configured to rotate the drill bit; a steering device c...  
WO/2014/183929A1
Drill rod handling apparatus configured to feed rods to and from a drill string created by a drill rig. The apparatus comprises a gripper unit configured to contact and hold a rod to be transported to the drill rig and an alignment tool ...  
WO/2014/183187A1
A method of drilling multiple wellbores in close proximity to one another involves providing a primary wellbore; equipped with a fiber Bragg grating sensor (FBG) line. The FBG sensor line extends along at least a portion of the primary w...  
WO/2014/186221A1
Representative implementations of devices and techniques provide a system arranged to deploy and retrieve a device such as an electric submersible pump with respect to a well or other like formation. An injection device for coiled tubing...  
WO/2014/184439A1
The objective of the invention is a method for collecting oil in ice conditions. First a first funnel-like space (7) is made underneath the ice coat, then a second funnel-like space (7') is made above the ice coat so that a hole (8) is f...  
WO/2013/126822A3
In one embodiment, a casing bit drive assembly may be used with a casing drilling system. The casing bit drive assembly may include one or more of the following: a retrievable drilling motor; a decoupled casing sub; a releasable coupling...  
WO/2014/182175A1
A steering -joint device (13) arranged between a string section (11) and a drilling section (12) in a rock-drilling machine (1), the steering joint (13) including a universal- joint cross (131) supported in the string section (11) and th...  
WO/2014/182396A1
A method of completing a subsea borehole including connecting a first vessel to a subsea wellhead assembly via a riser. A borehole is drilled with a drill string communicated to the subsea wellhead assembly through the riser. A lower com...  
WO/2014/180502A1
The invention relates to an apparatus for assigning drill holes and to a method and a computer program product. The apparatus is arranged to determine a forthcoming position of a bottom of a new drill hole before it is drilled. The forth...  
WO/2014/182303A1
A method for steering a well comprises disposing a first orienting assembly and a second orienting assembly spaced apart along a circular inner peripheral surface of a housing. An orienting sleeve is rotatably supported between the first...  
WO/2014/178102A1
The purpose of the present invention is to allow operations that add a rod for drilling to be completed within a roughly fixed time regardless of the phase aligning ability of a worker. A rod accommodating device (16) accommodates a rod ...  
WO/2014/178712A1
The invention relates to a modular drilling rig system comprising multiple components, which system is transfigurable between a transport mode and an operational mode, and comprises: a. a drilling rig mast which is positionable in a vert...  
WO/2014/177505A1
A method for directional drilling of a borehole in a formation, the method comprising the steps of: - rotating a drill string (16) having a central fluid passage (202) for the passage of drilling fluid and a rotatable drill bit (10) conn...  
WO/2014/179730A1
A system for manipulating tubulars for subterranean operations includes a mousehole assembly having a cavity including a first mousehole, a second mousehole spaced apart from the first mousehole, a mechanism configured to change a positi...  
WO/2014/138301A3
Methods for extracting more fluids from oil and gas wells reservoirs than is currently possible using the current art of drilling and hydraulic fracturing wells may be accomplished with methods and apparatuses to directionally control th...  
WO/2014/177501A1
An insert (240,241) to convert a conventional rotary drill bit to a rotary steerable bit for a rotational directional drilling system. The insert comprises a cylindrical body adapted to be arranged within an intermediate space (32) of th...  
WO/2014/179532A1
This disclosure includes flow spool riser segment assemblies that are suitable for managed pressure drilling (MPD) and that can be lowered (e.g., when connected to other riser segment assemblies) through a rotary of a drilling rig. Some ...  
WO/2014/179587A1
A torsional isolator (200, 300, 400) designed to reduce vibrations and shock experienced by electronics used during directional drilling is disclosed. The torsional isolator allows the drillstring electronics to oscillate at a slower rot...  
WO/2014/177502A1
Directional drilling of a borehole in a formation, comprising the steps of: providing a drill string (16) having a drill bit (10) at a downhole end thereof, the drill string comprising a central fluid passage (202) extending along a long...  
WO/2014/055276A3
A top drive guide system comprising first and second rail sections axially aligned to form a top drive guide rail. A locking member is coupled to the first rail section and is movable between a locked position and an unlocked position. A...  
WO/2014/179727A1
A system for manipulating tubulars for subterranean operations includes a remote-controlled tubular lift system (RCTLS) having an engagement head configured to engage a proximal end region of a tubular and change the position of the tubu...  
WO/2013/170075A3
A system and method are provided for producing controlled vibrations within a borehole. In one example, the system includes an encoder plate, an anvil plate, and a movement mechanism configured to enable rotational and translational move...  
WO/2014/062664A3
A dual gradient drilling system 10 comprises a primary riser 18 that is coupled to a drilling rig 12 and a subsea wellhead 22 and an auxiliary riser 28 that is coupled to the drilling rig 12 and to the primary riser 18 by a fluid conduit...  
WO/2014/041036A3
Provided is an apparatus for use in directional drilling, which apparatus comprises: (a) a drill bit; (b) at least one steering actuator capable of exerting a longitudinal force on the drill bit, so as to change the direction of drilling...  
WO/2013/121304A3
This invention relates to a down-the-hole hammer drill assembly, and has particular application to a reverse-circulation (RC) down-hole face sampling hammer drill assembly. More particularly, the hammer comprises a bit (20) having an elo...  
WO/2014/171021A1
A ground taking device (10) comprises: a ground penetrating unit (1) in which rotatable agitating blades (13) are respectively attached to both side parts of a penetrating rod (11), and a penetrating protrusion part (12) integrated with ...  
WO/2014/170535A1
Method for performing outside injection for into rock drilled drill piles in which case a drill pile pipe (4) is drilled into the ground by using a pilot bit (1) and a ring bit (2), which is attached to it so that it can be detached, so ...  
WO/2014/048627A3
In order to avoid disadvantages of known approaches while maintaining monitored and controlled laying of a pipeline (3) in a borehole (1) and in particular to provide a method and a device for laying a pipeline (3) in a borehole (1), in ...  
WO/2014/033462A3
A downhole tool (10) comprising rotatable inner and outer sleeves (62, 63). The sleeves (62, 63) comprise coupling portions for transmitting a torque between the sleeves (62, 63). The tool is reconfigurable between a first configuration ...  
WO/2014/163587A1
This invention relates to a drilling rig or a drill ship having a first activity centre with a main well, a second activity centre with an auxiliary well and a third activity centre with offline casing and drill pipe stand-building capab...  
WO/2014/158026A1
A drilling equipment device (2') for use when reaming a pilot hole (13) in a rock formation (1), in which a drilling unit (2) comprises a rotatable drill-bit structure (15) fitted with roller cutters (12) which are arranged to break up t...  
WO/2014/159103A1
A system for the detection, containment and removal of hydrocarbon leaks in a subsea environment.  
WO/2014/159096A1
A steerable drill bit may be used to drill a lateral borehole from a primary wellbore. The steerable drill bit may be part of a bottomhole assembly that also includes a directional control system. A deflection member, such as a whipstock...  
WO/2014/159910A1
A method (100) for accessing a hydrocarbon reservoir in a subterranean formation from a subterranean tunnel system (10) includes drilling a first bore (13a) between an upper tunnel (60) and a lower tunnel (70). In addition, the method in...  
WO/2014/160567A1
A downhole closed loop method for controlling a drilling toolface includes measuring first and second attitudes of the subterranean borehole at corresponding first and second upper and lower survey stations. The first and second attitude...  
WO/2014/159925A1
A rig (100) for drilling a borehole (30) from an underground tunnel (12) includes a base assembly (120), a drilling assembly (140) mounted to the base assembly, an upper frame assembly (160) mounted to the drilling assembly above the bas...  
WO/2014/159890A1
A system (10) for recovering hydrocarbons from a subterranean formation (5) includes an upper tunnel (30) extending through the formation. In addition, the system includes a lower tunnel (40) extending through the formation below a porti...  
WO/2014/158706A1
Various embodiments include apparatus and methods that use hand mobile communications device with respect to a drilling operation at a drilling site. Data with respect to one or more sensors downhole at a drilling site can be wirelessly ...  
WO/2014/152699A1
An underreamer for increasing a diameter of a wellbore. The underreamer may include a body having an axial bore extending at least partially therethrough. An electromagnetic activation system may be disposed at least partially within the...  
WO/2014/149114A2
There are provided high power laser and laser mechanical earth removing equipment, and operations using laser cutting tools having stand off distances. These equipment provide high power laser beams, greater than 1 kW to cut and volumetr...  
WO/2013/154617A3
Modular stress joints usable to compensate for forces applied to a subsea riser or other structure include a base member and one or more additional members. Members having desired lengths can be selected such that the sum of the length o...  
WO/2014/149173A1
One or more ram accelerator devices may be used to form one or more holes in geologic or other material. These holes may be used for drilling, tunnel boring, excavation, and so forth. The ram accelerator devices propel projectiles which ...  
WO/2014/140661A1
The assembly comprise a bent sub (1411), and optionally a swivel (1480). The bend angle a of the bent sub in relation to the central axis of the assembly can be adjusted by rotating lower bend member (1431) relative to upper bend member ...  
WO/2014/142011A1
An inner bit (3) is provided with: a supply hole which is open at the front end of the inner bit (3); and a discharge groove (14) which is formed in the outer peripheral surface of the inner bit (3) and which extends in the axial directi...  

Matches 1,301 - 1,350 out of 13,867