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Patent Searching and Data


Matches 1,251 - 1,300 out of 13,867

Document Document Title
WO/2015/023567A1
A technique facilitates deflecting a tubing string into a desired branch of a surrounding tubular structure. A deflector assembly is provided with a deflector tube, an orienting member, and a latching feature, such as latch dogs which ar...  
WO/2014/205601A9
Disclosed is a rotary excavating bucket drill, comprising a power means box upper platform (1), a power means box (2) and a power means box lower platform (3), wherein a telescopic lifting frame (19) is mounted on the power means box upp...  
WO/2015/023563A1
A technique facilitates selectively disengaging a running string from a lateral tube assembly. The running string comprises a running sub which is engageable with the lateral tube assembly. The running string further comprises a window f...  
WO/2015/018969A1
Method for controlling the direction of a drilling device which drills a hole into a ground wherein a hammering and rotatable bit (3) is used as the drilling bit and the device comprises coupled with the bit (3) a hammering device (2) be...  
WO/2015/018147A1
A drilling system, comprising a ground control system (101), a coiled tubing (9) and a lower drilling tool (102), wherein a photoelectric composite cable (10) is arranged in the coiled tubing, and the photoelectric composite cable compri...  
WO/2015/020693A1
An off-axis "cam" drilling tool is provided. The off-axis "cam" drilling tool includes an outer tubing having a throughbore therein, an inner tubing having a throughbore therein, the inner tubing being configured to be inserted within th...  
WO/2015/016849A1
A platform system for working on top of, or transgressing over laid down pipe or other tubular stock to provide workers a safe means of accessing pipe without working under or between the pipe, or having to walk on pipe which can roll or...  
WO/2015/013562A1
A system for monitoring an open hole section of a marine well for shallow-water flow during marine drilling operations. The system for monitoring uses time periods and intervals while mud pumps are turned off. The system uses a video fee...  
WO/2015/012843A1
Disclosed is a multi-deflector assembly for guiding a bullnose assembly into a selected borehole within a wellbore. One deflector assembly includes an upper deflector arranged within a main bore of a wellbore and defining first and secon...  
WO/2015/012848A1
Disclosed are methods of deflecting expandable bullnose assemblies. One method includes introducing a bullnose assembly into a main bore of a wellbore, the bullnose assembly including a body and a bullnose tip arranged at a distal end of...  
WO/2015/012825A1
A measurement device and method for determining the density and viscosity of a fluid in a downhole environment from vibration frequencies of a sample cavity.  
WO/2015/012845A1
Disclosed are embodiments of expandable bullnose assemblies for use in a well system. One well system includes a deflector arranged within a main bore of a wellbore and defining a first channel that exhibits a predetermined diameter and ...  
WO/2015/012976A1
In one aspect an apparatus for performing a downhole operation is disclosed that in one non-limiting embodiment may include a downhole tool that contains a hydraulically-operated motor and a flow control device that in one position allow...  
WO/2015/012844A1
A wellbore system is disclosed that includes an upper deflector arranged within a main bore and defining first and second channels that extend longitudinally therethrough, a lower deflector arranged within the main bore and spaced from t...  
WO/2015/012847A1
A wellbore system is disclosed that includes an upper deflector arranged within a main bore of a wellbore and defining first and second channels, a lower deflector arranged within the main bore and spaced from the upper deflector by a pr...  
WO/2015/011336A1
The invention relates to a method in putting together of a down-the-hole drilling apparatus and a down-the-hole drilling apparatus, which apparatus has a drilling device (1) that consists of a casing part (2) and a drilling unit (3) exis...  
WO/2014/029985A3
This invention relates to an articulating component (16) of a downhole assembly, and to a downhole steering assembly. There is provided an articulating component (16) having a first end (40) and a second end (42), the articulating compon...  
WO/2015/009213A1
Method for boring holes and installing collection pipe included in geothermal heating systems. The required equipment and the required material is moved to where the holes for geothermal heating are to be drilled. Initially a required nu...  
WO/2015/010034A1
According to one aspect of the disclosure, an intercept well for penetrating an existing tubular is drilled. A casing entry tool is provided in the intercept well and operated to form at least one aperture in the wall of the existing cas...  
WO/2015/003267A1
A mud motor has integrated rotatable reamer elements. The reamer elements may be located directly radially outwardly of a rotor of the mud motor on an outer surface of the mud motor. The reamer elements may be applied to provide one or m...  
WO/2014/126889A3
It is desirable to secure a lower end of a down hole assembly in the event of a down hole failure, such as a fractured drive shaft, enabling recovery of the bottom hole assembly and drill bit. To secure the lower end of the down hole ass...  
WO/2015/006101A1
An invert emulsion drilling fluid, and a method of drilling with such fluid, having substantially flat or relatively controlled rheology, as demonstrated by the drilling fluid exhibiting little change in its yield point and gel strength ...  
WO/2014/133439A3
The invention relates to a method pertaining to a drilling arrangement (7) comprising a drive member support device (49) for fixing a drive member (13) arranged at the drilling arrangement (7), wherein the drive member (13) operates in a...  
WO/2015/003266A1
Apparatus for directional drilling allows an uphole section of drill string to be rotated while maintaining a desired orientation of a bent section of the drill string. In some embodiments, clutches above and below the bent section are s...  
WO/2013/158695A3
Disclosed herein is a telescoping substructure (100) of a drilling rig (300) that includes first and second telescoping substructure boxes (110, 120). The first and second telescoping substructure boxes (110, 120) each include, among oth...  
WO/2014/137543A3
A downhole motor for directional drilling includes a driveshaft assembly including a driveshaft housing and a driveshaft rotatably disposed within the driveshaft housing. In addition, the downhole motor includes a bearing assembly includ...  
WO/2014/207695A1
A method for changing a set point of a system where period of a dominant resonance of the system is determined, a change profile for the set point change is processed; a time period for the set point change based on the period of the dom...  
WO/2014/205601A1
Disclosed is a rotary excavating bucket drill, comprising a power means box upper platform (1), a power means box (2) and a power means box lower platform (3), wherein a telescopic lifting frame (19) is mounted on the power means box upp...  
WO/2014/209126A1
A method and device for making lateral openings (11) out of a wellbore (1) in a ground formation (2) where at least one laterally directed drill string (28) is movable in the axial direction inside a motherbore tubular (4), and where the...  
WO/2014/206471A1
A method for controlling a percussive drilling process on a work machine, the method comprising: obtaining, from at least one sensor, measurement data regarding at least one hole being percussive drilled; generating a reference pattern o...  
WO/2014/110441A3
In one embodiment, the first casing string is releasably coupled to a second casing string using a latch assembly. The second casing string is released from the conductor after the first casing string is properly positioned in the wellbo...  
WO/2014/110444A3
A jetting tool includes a tubular housing having: couplings formed at each longitudinal end thereof, and one or more ports formed through a wall thereof and in fluid communication with an upper portion of a bore of the housing. The jetti...  
WO/2014/107232A3
A steerable drilling apparatus includes a control system (50) inside a cylindrical housing (10) connected to a drill bit having radially- extendable pistons (40). A fluid-metering assembly directs a piston- actuating fluid into fluid cha...  
WO/2014/205018A1
A downhole tool includes a body having a bore extending at least partially therethrough. A component is disposed within the bore and arranged and designed to move axially from a first position to a second position within the bore. An axi...  
WO/2014/200416A1
The invention concerns an arrangement for the angular setting of a drill string (1) in a borehole, comprising a first tubular member (10) provided with a bottom motor (5) and drill bit (2), a second tubular member (11) attached at the dr...  
WO/2014/200906A1
A downhole tool for increasing a diameter of a wellbore disposed within a subterranean formation. The downhole tool includes an underreamer having a plurality of cutter blocks moveably coupled thereto that move radially-outward from a re...  
WO/2014/197767A1
Systems, assemblies, and methods are described which relate to drilling a lateral borehole from a primary wellbore. A primary wellbore may have a casing therein. A window may be milled in the casing using a casing bit. The casing bit may...  
WO/2014/197560A1
A subsea accumulator comprising: an outer wall; a top surface; a bottom surface; and a piston disposed within the subsea accumulator, wherein a first chamber is defined by the top surface, the outer wall, and a top portion of the piston;...  
WO/2014/196958A1
The present disclosure describes a dynamic geo-stationary actuation technique that may be incorporated into a rotary steerable system 200. An example method described herein may include receiving a first angular orientation of a rotating...  
WO/2014/194912A1
An agitator tool (1) for introducing forward and backward axial movement in a downhole tool of a drill string, where the agitator tool comprises a first axially moveable element (5) coupled to a second laterally moveable element (9) arra...  
WO/2007/126833A9
A system for reverse circulation in a wellbore include equipment for supplying drilling fluid into the wellbore bit via at least an annulus of the wellbore and returning the drilling fluid to a surface location via at least a bore of a w...  
WO/2014/194418A1
The embodiments described herein generally relate to a method for detecting gamma radiation downhole using a downhole probe assembly. The method includes rotating the downhole probe assembly and measuring gamma radiation passing through ...  
WO/2014/195760A2
The present invention relates to apparatus and methods for remotely adjusting the drill bit hydraulic horse power per square inch (HSI). Varying the nozzle geometry remotely without the need to pull the drill string outside the hole has ...  
WO/2014/110351A3
Various break-resistant anode assemblies and method of installing the same in the ground are disclosed. Each anode assembly (20) basically comprises an anode (22), at least one pulling cable (24), and a protective nose cone (26). The nos...  
WO/2014/193616A2
A system for jetting a borehole in a seafloor (24), the system including a tubular (16), and a jetting tool (20) inserted into the tubular (16) and having an end from which fluid is selectively discharged to excavate the borehole. An ele...  
WO/2014/193607A1
A downhole drilling apparatus includes a drill bit, a steering tool, and an anti-oscillation sleeve deployed about a downhole end of the steering tool. The anti-oscillation sleeve is undergauge and is deployed axially between a first tou...  
WO/2014/144887A3
A high power laser system for providing laser beams in various laser beam patterns along a laser beam path that is positioned to provide for the in situ laser processing of materials in tubulars, such as pipes in a hydrocarbon producing ...  
WO/2014/194210A1
The present disclosure provides systems and methods for tracking system parameters in each of two or more circulatory systems, such as in a dual gradient drilling system. The systems and methods may include defining each of multiple circ...  
WO/2014/194018A1
A wired pipe system includes a wired pipe segment having a first end and a second end, a first coupler in the first end and a second coupler in the second end and a transmission line disposed in the wired pipe segment between the first a...  
WO/2014/189491A1
In at least some embodiments, a high-voltage drilling system includes a power supply to output high-voltage power to an electrical conductor, a bit that extends a borehole based on the high- voltage power, and a hybrid drillstring that t...  

Matches 1,251 - 1,300 out of 13,867