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Patent Searching and Data


Matches 1 - 50 out of 13,032

Document Document Title
WO/2018/106254A1
A disclosed drilling method includes: obtaining a formation model representing formation properties to be encountered by a drilling assembly being steered towards a target; identifying at least one path-dependent drilling dynamics model ...  
WO/2018/106287A1
A system and method for drilling a borehole (180) using a drilling rig (110) having a rotary drill bit (140) includes monitoring one or more drilling parameters; determining whether the one or more monitored drilling parameters are withi...  
WO/2018/104546A1
An unmanned wellhead platform (1) (UWP) comprising a jacket (10) designed and adapted to be supported on the seabed and projecting above the sea level is shown. The unmanned wellhead platform (1) includes a topside installed on top of th...  
WO/2018/103919A1
The invention relates to a drilling tool and a method for producing a bore in the ground, in which method ground material is carried away by a removal device on the underside of a main body of the drilling tool, flushing air is supplied ...  
WO/2018/106347A1
A coupling system includes a lower marine riser package having a connector at a bottom end and at least one blowout preventer pressure control element coupled to a wellhead and having a connector at an upper end. Explosively frangible fa...  
WO/2018/106835A1
A skid-mounted chemical and hydrate remediation system including a subsea separator is described for use in the event of a hydrate plug with chemical injection. This system comprises a manifold which communicates between a subsea pipelin...  
WO/2018/106255A1
A disclosed drilling system includes a drill string assembly having subsystem inputs that control ROP and other performance parameters; and a processing system that provides automated uncertainty mitigation of a model for controlling the...  
WO/2018/104547A1
The invention proposes a method and devices that can be used in the method for trenchless laying of a cable (1) in the ground (13), in which method vertical multifunction bores (3) are created along a drilling line (4) in the ground (13)...  
WO/2018/101960A1
It may be required at a well site to create a lateral wellbore from a primary wellbore. A dissolvable whipstock assembly may be positioned within a primary wellbore to deflect a mill or drill bit to create a secondary wellbore. The disso...  
WO/2018/096160A1
A method for processing a plurality of surface-wells arranged in a well cluster on an offshore wellhead platform is provided. Each surface-well comprises a conductor having an upper part, the upper part of two or more of the conductors b...  
WO/2018/095321A1
An automatic positioning device and method for a big arm of an umbrella driller. The device comprises a rotating arm (1) connected to a standing column (20), a supporting oil cylinder (2), a big arm (3), a verticality adjustment oil cyli...  
WO/2018/091903A2
A rotary drive apparatus (24) for a downhole tool (22), the rotary drive apparatus (24) comprising a drive stage (36a) comprising a rotor (40a) and a stator (42a) and a connecting stage (38a) for connecting to the drive stage (36a). The ...  
WO/2018/093359A1
A steering assembly includes an outer housing and a drive shaft extended longitudinally within the outer housing and defining a plurality of pockets. A plurality of torque transfer features transfer torsional loads from the outer housing...  
WO/2018/093259A1
The invention relates to a mobile land rig for drilling and/or servicing a well comprising a road vehicle having an elongated chassis supporting a derrick unit, the derrick unit comprising an erectable derrick mast, a drill floor mount f...  
WO/2018/090962A1
Disclosed are a wire rope coring drilling rig and a new green construction method capable of replacing trench and shallow-shaft explorations, the wire rope coring drilling rig comprising: a base (1), a principal machine (2), a drilling t...  
WO/2018/090689A1
Disclosed is a multifunctional anchor cable drilling machine, comprising a chassis (3), a main boom (1), which is capable of pitching and telescoping, being provided on the chassis (3), a drilling machine (101) being provided on the dist...  
WO/2018/093344A1
Systems and methods for avoiding discrete 3D geological bodies that are hazards to drilling operations by identifying each 3D geological body near a well-path, defining the extents of each 3D geological body relative to the well-path, an...  
WO/2018/085393A1
A bottomhole assembly may include a downhole motor and bearing assembly. The downhole motor may include a rotor and stator. The bearing assembly may include a bearing mandrel. The bearing mandrel may be coupled to the rotor by a transmis...  
WO/2018/085850A1
A side saddle slingshot drilling rig includes a right substructure and a left substructure, the substructures positioned generally parallel and spaced apart from each other. The right substructure includes a right lower box and a first s...  
WO/2018/084838A1
A rotary steerable tool for directional drilling includes a tool body with a flowbore, a plurality of extendable members, each independently movable between an extended position and a retracted position, and a plurality of actuation devi...  
WO/2018/085042A1
A Rotary Steerable System (RSS) includes a flexible collar coupled therein that reduces the stiffness of the RSS and permits a tighter turning radius to be achieved. The positioning of the flexible collar between the steering section and...  
WO/2018/082201A1
Disclosed is a quick pressure relief gas discharge method for exposing an extra thick and soft projecting coal seam in a vertical shaft, comprising the following steps: designing drainage drill holes in several circles along a shaft exca...  
WO/2018/080715A1
A milling and scraping tool for preparing a borehole to be plugged includes a tool body including a first end, a second end, and an intermediate portion extending therebetween and a milling system arranged between the first end and the s...  
WO/2018/078575A1
Equipment for horizontal directional drilling (HDD), comprising a drilling head (10) which in turn comprises a drill body (11), at least one rotating (20) and/or hammering (21) perforating member mounted on said drill body (11) and perfo...  
WO/2018/078591A1
A method of drilling vertical and horizontal pathways to mine for solid natural resources involves a drill bit, at least one reamer, a first plugging material, and a second plugging material; drilling a testing wellbore to a specific ver...  
WO/2018/081210A1
The present invention provides for casing drilling with a removable MWD tool comprising a float shoe for removably positioning the bottom of a MWD tool at and or near the drill bit inside the casing, a stabilizer attached to the top of t...  
WO/2018/075737A1
In general, a conductor removal system (1) comprises a conductor sectioning tower which can be used to automate lifting and landing of various conductor sections. In most embodiments, the conductor sectioning tower can selectively and co...  
WO/2018/075110A1
A rotary valve can include a housing, a manifold with multiple flow paths can be fixedly mounted to the housing. A rotary actuator with a first surface can be rotatably mounted within the housing, and a valve seat with a second surface c...  
WO/2018/074735A1
Disclosed are a method for automatically replacing a casing and a drill pipe, and a drilling machine comprising the same. The drilling machine comprises: a frame unit having at least two elongated frames which are slidably coupled to eac...  
WO/2018/075760A1
A method for determining a total vertical depth (TVD) for a well plan involves measuring differences between a projected BHA position at a depth of a survey station and a calculated BHA position based upon a minimum curvature method at t...  
WO/2018/075596A1
A hydraulic circuit (38, 54) may be used for controlling a plurality of hydraulic implements (36, 50, 52). The hydraulic circuit (38, 54) may include a first directional valve (66), a second directional valve (64), and a relief valve. A ...  
WO/2018/075991A1
A bearing housing for a bottomhole assembly of a downhole tool includes an upper bearing housing, lower bearing housing, and a driveshaft. The upper bearing housing and lower bearing housing include a bore defining a bore longitudinal ax...  
WO/2018/071020A1
A downhole drilling system is disclosed. The downhole drilling system may include a pulse-generating circuit electrically coupled to a power source to provide power at a frequency, the pulse-generating circuit comprising an input stage t...  
WO/2018/064746A1
A drill rig with a steering system may include a substructure having a wheelhouse, a drill floor arranged atop the substructure, a mast extending upwardly and above the drill floor, and a steering system arranged within the wheelhouse. T...  
WO/2018/067273A1
The rotary steerable drilling tool and system described herein combines both point- the-bit and push-the-bit techniques to actively change the direction of the borehole trajectory. In this system, the deflection of the drill bit is limit...  
WO/2018/067255A1
A downhole assembly comprises a disintegrable article comprising a metal, a metal alloy, a metal composite, or a combination comprising at least one of the foregoing; the disintegrable article being corrodible in a downhole fluid; a curr...  
WO/2018/063542A1
A fully rotating bias unit for directional drilling rotates at bit speed while providing proportional control of directional response and steering force. The unit also provides added reliability by having increased redundancy (multiple i...  
WO/2018/063543A1
Angular position readings are obtained during rotation of an apparatus in a borehole, and angular rate readings are obtained over time of the rotation. The angular rate readings are adjusted based at least on the angular position reading...  
WO/2018/063147A1
A whipstock assembly includes a whipstock providing a ramped surface, and a mill releasably coupled to the whipstock with a shear bolt and providing a mill profile. A tension arm is pivotably coupled to the whipstock and movable between ...  
WO/2018/063175A1
Provided are systems for connecting a control line to an intelligent tool positioned below a lateral borehole junction in accordance with the disclosure and the illustrated FIGURES. An example system comprises a lateral deflector. The la...  
WO/2018/057696A1
An apparatus for drilling directional wellbores is disclosed that in one non-limiting embodiment incudes a drive for rotating a drill bit, a deflection device that enables a lower section of a drilling assembly to tilt about a member of ...  
WO/2018/057697A1
An apparatus for drilling a directional wellbore is disclosed that in one non-limiting embodiment includes a drive for rotating a drill bit, a deflection device that enables a lower section of the drilling assembly to tilt about a member...  
WO/2018/057698A1
An apparatus for drilling a directional wellbore is disclosed that in one non-limiting embodiment includes a drive for rotating a drill bit, a deflection device that enables a lower section a drilling assembly to tilt within a selected p...  
WO/2018/055549A1
A shaft enlargement arrangement for a boring system is provided, the shaft enlargement arrangement comprising a hollow column proximate a lower end of the boring system. A reamer section comprising a downwardly tapering first cutter head...  
WO/2018/057841A1
A rock excavating device includes a shaft and a cutting element. The shaft includes a first portion and a second portion connected to an end of the first portion. The first portion is rotatable about a first axis. The second portion exte...  
WO/2018/057074A1
A tubular handling system and method, of which the tubular handling system includes a power tong configured to engage and rotate an add-on tubular by applying a torque thereto, the power tong defining a central opening configured to rece...  
WO/2018/052429A1
An assembly for installation into a wellbore that includes a main wellbore and a lateral wellbore branching off the main wellbore is described. The assembly includes a tubular positionable in the main wellbore, where the tubular includes...  
WO/2018/052442A1
A casing exit joint with guiding profiles and methods for use are provided. In one embodiment, a casing exit joint comprises: a substantially tubular casing joint comprising an inner surface and an outer surface, wherein at least a circu...  
WO/2018/052439A1
A plug deflector includes a body having a first end and a second end opposite the first end, a tool receptacle provided at the first end and defining an internal bore having a first coupling mechanism defined on the internal bore, at lea...  
WO/2018/053471A1
A system for performing exothermic operations or oxygen delivery uses a rod and handle configuration to create a flowpath of oxygen. The rod includes cables having stainless steel fibers that burn using the oxygen within a hollow center ...  

Matches 1 - 50 out of 13,032