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WO/2016/109868A1 |
A multi-fluid drilling system (10) drilling is disclosed for drilling a hole or well (11). The system (10) is coupled to a dual wall drill string (12). The drill string (12) is configured to enable separate flow of a first fluid (14) and...
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WO/2016/112069A1 |
Pipes, drill strings including pipes, and methods for use on a drilling rig. The method includes obtaining pipe data for individual drill pipes of a drill string, obtaining a well trajectory for a well, obtaining one or more drilling mea...
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WO/2016/112169A1 |
A technique facilitates coupling of a shaft, e.g. a shaft used in a well application, with various driven devices without reducing the nominal diameter of the shaft. The technique utilizes a shaft comprising a main body portion having a ...
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WO/2016/109331A1 |
A centralizer assembly and method for manufacturing a centralizer assembly. The centralizer assembly includes a mandrel including a first raised region having a first diameter, and a turned-down region having a second diameter, the secon...
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WO/2016/108837A1 |
A wellbore reamer assembly positionable on a drill string in a wellbore includes a reamer body having an internal cavity and multiple radial openings, multiple cutting structures each positioned in one of the radial openings in the reame...
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WO/2016/108817A1 |
A drilling assembly includes a straight housing in which a mud motor assembly is mounted. The mud motor includes a rotor that rotates within a stator. The rotor has an axial centerline substantially parallel with the housing. A drivetrai...
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WO/2016/108815A1 |
A wellbore isolation system is disclosed. The wellbore isolation system includes a junction positioned at an intersection of a first wellbore and a second wellbore, and a deflector disposed in the junction such that a path into the first...
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WO/2016/108823A1 |
An example apparatus for controlling the direction of drilling a borehole includes an outer housing having non-uniform stiffness and an inner housing at least partially within and rotationally independent from the outer housing and havin...
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WO/2016/108824A1 |
Steering assemblies including a housing having an actuator positioned therein and operable to rotate a drive shaft. A planetary gearbox is positioned in the housing and includes a ring gear operatively coupled to the housing, a sun gear ...
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WO/2016/108913A1 |
System and methods for performing look-ahead and look-around (LALA) inversion are provided. Measurements of formation properties accumulated by a downhole LALA tool are obtained during different stages of drilling a wellbore through laye...
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WO/2016/108858A1 |
A method and system for monitoring operation of a motor may include initially determining a no load torque versus temperature characteristic of the motor over a range of operating temperatures. After a period of operation, a no load torq...
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WO/2016/109538A1 |
Embodiments of systems and methods to control directional drilling in borehole drilling for hydrocarbon wells are disclosed. An actual toolface orientation measurement value and an actual downhole torque on bit (DTOB) or actual downhole ...
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WO/2016/108822A1 |
In accordance with some embodiments of the present disclosure, systems and methods for a toolface control system is disclosed. The system includes, a rotating drill string of a drilling tool, an assembly located within the rotating drill...
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WO/2016/105279A2 |
A method of removing materials by their disintegration, especially metal tubes and non-metal materials, particularly in an area of a borehole, by thermal disintegration of materials by action of plasma created in a plasma generator, by h...
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WO/2016/106327A1 |
A positionable carriage assembly is disclosed. In one aspect, the positionable carriage assembly includes an actuation device, such as one or more linear hydraulic cylinders, that is linked to a linear drive element. The linear drive ele...
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WO/2016/102380A1 |
The invention relates to a mining vehicle and to a method for energy supply of a mining vehicle. The mining vehicle comprises at least one mining work device, at least one three phase AC electric motor for powering the at least mining wo...
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WO/2016/105392A1 |
Disclosed are compositions, methods, and systems of treating a well. A method may comprise providing a treatment fluid comprising a fluorous oil external phase, a salt-free non-chloride containing internal phase, and a fluorous-based sur...
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WO/2016/101387A1 |
Disclosed is a disturbance rock-breaking drill tool, comprising an anti-falling assembly (1), a motor assembly (2), a universal shaft assembly (3), a transmission shaft assembly (4) and a disturbance assembly (5). The anti-falling assemb...
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WO/2016/105387A1 |
A downhole steering assembly includes a steering element having an adjustable azimuthal orientation relative to a tool body. The downhole tool further includes a radio frequency identification (RFID) reader to read RFID tags arranged in ...
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WO/2016/100497A1 |
A borehole tool, having a cylindrical body, the cylindrical body having an upper shank, a lower shank, and a component tool disposed between the upper shank and the lower shank, wherein the tool is configured to have an outer surface air...
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WO/2016/099439A1 |
A wellbore sealing system is disclosed. The wellbore sealing system includes a deflection assembly positioned in a main wellbore and a junction coupled to an uphole end of the completion deflector and extending into the lateral wellbore ...
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WO/2016/097307A1 |
A sidetrack of an underground wellbore (30) is drilled by: (a) lowering a landing device (36,44) in a retracted mode into the wellbore (30); (b) expanding the landing device (36,44) against an inner surface of the wellbore (30) or wellbo...
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WO/2016/099486A1 |
The disclosed embodiments include a single-pass milling assembly for use in multilateral systems. In one embodiment, a first operational mode may be used to create a controlled window in a wellbore casing and a second operational mode ma...
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WO/2016/099271A1 |
The invention relates to a method for processing submerged material at the bottom of a body of water, like the bottom of the sea, by application of electric energy, comprising providing electrodes in a process zone proximate the material...
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WO/2016/099163A1 |
The present invention relates to an excavation apparatus using an excavator. The excavation apparatus using an excavator, according to embodiments of the present invention, which is equipped to an excavator having a pair of stopping conn...
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WO/2016/099473A1 |
A directional drilling system comprises a driveshaft to couple to a drill string or a drill bit and an apparatus. The apparatus comprises an eccentric coupler disposed at the driveshaft and a coil coupled at one end to the eccentric coup...
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WO/2016/093857A1 |
A downhole drilling motor, system, and method for using same are disclosed. A downhole drilling motor can include a power section stator having a first end, a second end, an internal cavity passing therethrough. The downhole drilling mot...
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WO/2016/094838A1 |
An oscillating mud motor having a valve section and a piston section positioned within a hollow cylindrical housing wherein the valve section comprises a timing cycle valve and a spool valve which hydraulically controls rotational moveme...
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WO/2016/094256A1 |
A steerable drilling system in accordance to an embodiment includes a bias unit integrated with the drill bit to form a steering head and an electronic control system located remote from the steering head and electrically connected to a ...
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WO/2016/092382A1 |
The invention is a handling vehicle (1) for transporting and handling, in general, drilling rods/pipes (A, B) and/or tools and/or reinforcement pipes, particularly suited to serve one or more drilling machines (M), comprising at least on...
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WO/2016/090419A1 |
A flying lead orientation tool for a Remotely Operated Vehicle includes a mounting portion and a tool holding member. The tool holding member is arranged to rotate relative to the mounting portion, with rotation being effected by a four ...
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WO/2016/094255A1 |
A downhole closed loop method for controlling a curvature of a subterranean wellbore while drilling includes drilling the subterranean wellbore using a drilling tool. A set point curvature is received at a downhole controller. Sequential...
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WO/2016/089478A1 |
Methods and apparatus for running a tubular into a wellbore. The method includes attaching a first member of a lifting coupling to a first tubular, and attaching a second member of the lifting coupling to a second tubular. The second tub...
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WO/2016/090229A1 |
A laser-jet apparatus for creating a penetration through a stress region adjacent to a wellbore includes an outer tool housing, the outer tool housing having a housing central bore. A laser assembly includes a lens case with an outer dia...
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WO/2016/090209A2 |
The invention discloses a set of valves that impart hydraulic pressure pulses at specific frequencies that provide oscillatory movement of a shuttle valve within a of a downhole tool operations. These vibrations can lead to pulses for ve...
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WO/2016/085465A1 |
Systems and methods are disclosed for a well tool. The well tool system includes a receiving tool including two ends positioned in a wellbore tubular in a predetermined orientation. The receiving tool is configured to transition from an ...
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WO/2016/083582A1 |
The present invention relates to a downhole swivel sub (100) for insertion in a string, the downhole swivel sub comprising : • - a first body (101) comprising a first end (103) and a second end (104); • - a second tubular body (102) ...
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WO/2016/081155A1 |
A method for drilling a lateral wellbore includes drilling a first wellbore from a first surface location to a first end location at a selected lateral distance from the first surface location. A second wellbore is drilled starting at th...
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WO/2016/080978A1 |
A method for causing a desired drilling direction of a steerable subterranean drill in consideration of a contemporaneously detected formation tendency force acting on a drill bit of the steerable subterranean drill. The method includes ...
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WO/2016/077914A1 |
ABSTRACT Described herein is a walker for moving a structure over the ground. The structure to be moved may be an oil and gas rig for instance. The walker includes a pontoon for engaging the ground, a jack with rollers disposed on the po...
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WO/2016/078627A1 |
A production enhancement system using a robot drill for drilling multi-branched fishbone and radial microholes in shale gas reservoirs, comprising a system for a robot drill drawing coiled tubing and drilling multi-branch fishbone horizo...
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WO/2016/076826A1 |
In accordance with some embodiments of the present disclosure, systems and methods for an advanced toolface control system for a rotary steerable drilling tool is disclosed. The method includes determining a desired toolface of a drillin...
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WO/2016/074025A1 |
A dual circulation fluid hammer drilling system (10) has a fluid hammer (12) which is coupled to a drill string (14). The system (10) utilises a first fluid (16) and a second fluid (18). The first fluid (16) is delivered through the dril...
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WO/2016/076867A1 |
An example whipstock assembly includes a whipstock providing a ramped surface and a longitudinal groove defined in the ramped surface. A lead mill is coupled to the whipstock with a shear fastener that provides resilience against prematu...
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WO/2016/073236A1 |
A method and system for directional drilling while conveying a liner, with latching parking capabilities for multiple trips, is disclosed. As the wellbore is drilled, each casing and liner is installed having upper and lower interior lat...
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WO/2015/179504A9 |
A wireline system for use during drilling operations. The wireline system has a wireline assembly and a roller assembly. Both the wireline assembly and the roller assembly are positioned within a front portion of a drill rig. Described h...
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WO/2016/069596A1 |
A device in accordance to an embodiment includes a tubular casing joint constructed of a first material with a portion of the first material removed to form a window and an eutectic material closing the window. In accordance with an embo...
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WO/2016/065402A1 |
A drilling machinery orientation apparatus, comprising an orientation device permanently affixed to, and integral with a structure of, a drilling machine at a point of integration. The orientation device comprises orientation means capab...
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WO/2016/068701A1 |
The invention relates to an assembly of casing tubes for use during a process of horizontal directional drilling. The invention also relates to a casing tube for use in such an assembly. The invention further relates to a method for coup...
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WO/2016/069305A1 |
A non-explosive downhole tool for creating openings in tubulars and or earthen formations includes a carrier holding a non-explosive material, such as thermate, a head connected with the carrier and having a port to eject a product of th...
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