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WO/2024/087819A1 |
A hydraulic system of a hybrid power rotary drilling rig. The hydraulic system comprises an engine, a generator, an electric motor set, a main pump, an auxiliary pump, a main hydraulic system, an auxiliary hydraulic system, a main winch,...
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WO/2024/059646A1 |
A progressive cavity device includes a stator, a rotor positioned within the stator, a driveshaft, and a joint coupling the driveshaft and the rotor. The joint includes a pivotable member fixably coupled to and engaged with an end of the...
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WO/2024/052369A1 |
The present invention relates to a driving device (10) for rotating an auger (5) about a longitudinal axis for forming in-situ formed piles, the device comprising: - a housing, - a connector device, which is rotatably attached to the hou...
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WO/2024/037509A1 |
A power system of a rotary drilling rig, a control method for a rotary drilling rig, and a rotary drilling rig. The power system of a rotary drilling rig comprises an actuation portion (10), a fuel power portion (20), a battery power por...
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WO/2024/020620A1 |
Provided is a drilling arrangement (10) comprising a truck-mounted rotary table stage (12), a truck-mounted drilling mast (16) comprising a rotary head drive (18) displaceable along said mast (16) to effect drilling, a truck-mounted dril...
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WO/2023/240316A1 |
This invention relates a drill head (4) for use with a microtunneling apparatus (1) having a cutter bar (12) that is rotatable to produce swarf in a working zone. The drill head (4) includes a movable imaging device (46) that is adapted ...
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WO/2023/240317A1 |
This invention relates to a drill head (4) for use with a microtunneling apparatus (1) to produce swarf in a working zone (13) of a bore. The drill head (4) includes a cutter bar (12) having at least one spray outlet (41) which is adapte...
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WO/2023/240318A1 |
This application relates to a drill head (4) for use with microtunneling apparatus (1) having a cutter bar (12) at a distal end of a housing. The housing includes an annular body (25) which is adapted to be articulated by way of radially...
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WO/2023/240314A1 |
This invention relates to a drill head for the use with a microtunneling apparatus (1) for producing a substantially horizontal bore hole (8). The drill head (4) includes a cutter bar (12) that is rotatable within a working zone (13) of ...
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WO/2023/235939A1 |
This invention relates to a connector assembly (21) for use with a microtunneling apparatus (1) including a drill string (13) and a cutting head (6). The drill string (13) including a drive shaft (23) which is rotatable from a proximal e...
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WO/2023/225721A1 |
Provided is an automated drilling arrangement (10) comprising a platform (12), a drill pipe loading assembly (14) arranged on the platform (12) and including a cradle (16) for receiving a drill pipe section (18), and a handler assembly (...
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WO/2023/227704A1 |
A drill string drive, e.g. a top drive, configured to impart rotational power to an upper end of drill string for drilling of a wellbore. The drive comprises one or more main drive motors and a torsional vibrations reducing auxiliary hyd...
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WO/2023/212800A1 |
A rotary latch release mechanism includes axially-aligned upper and lower rotary latch components carried on and rotationally coupled to upper and lower latch assemblies, respectively. The latch release mechanism is movable from an axial...
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WO/2023/183989A1 |
This invention relates to a reamer assembly (6) for enlarging a substantially horizontal pilot hole (14) in the ground to produce a bore hole (18), including a cutter (21) which is rotatable about an axis X-X. A gear box (20) is position...
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WO/2023/183988A1 |
This invention relates to drill string (32) for use with micro tunnelling apparatus (1) having a cutter (21) at a distal end of the drill string (32) and external drive mechanism (2) at a proximal end of the drill string (32). The drill ...
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WO/2023/184838A1 |
Provided in the present application are a power head and a rotary drilling rig. The power head comprises a reduction gearbox; a power input shaft extending into the reduction gearbox; a first power output member being provided in the red...
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WO/2023/183991A1 |
This invention relates to a drill string (32) for use with micro tunnelling apparatus (1) having a cutter (21) at a distal end of the drill string (32) and external drive mechanism (2) at a proximal end of the drill string (32). The dril...
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WO/2023/172417A1 |
A tubular running tool equipped with a mandrel having an elongated body with a longitudinal axis and configured for suspension above a wellbore. A plurality of slips are disposed on the mandrel. Each slip is configured to receive and ret...
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WO/2023/137833A1 |
The present application relates to the technical field of construction apparatuses, and provides a pressurizing device and a rotary drilling rig. The pressurizing device comprises: a first hydraulic cylinder, having a fixed end configure...
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WO/2023/081865A1 |
The present invention comprises a flexible coupling device, system and method for transferring high torque loads and complex rotary motion between components or devices. Specifically, high torque loads and complex rotary motions are tran...
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WO/2023/081283A1 |
A system includes a top drive including a handling ring assembly including a main body, a main shaft that traverses the main body of the handling ring assembly, an internal blowout preventer (IBOP) valve, wherein the main shaft engages t...
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WO/2023/046963A1 |
A mobile land rig is adapted to perform drilling and/or wellbore related activities. The mobile land rig comprises a drilling tower, a loader and a top drive system comprising a pivotal top drive unit. The top drive system is provided wi...
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WO/2023/031092A1 |
The present invention relates to a hydraulic workover unit (2) configured for performing well operations, comprising a supporting structure (18) configured to be arranged above a well head (6); a tubular handling mechanism connected to t...
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WO/2023/005210A1 |
Disclosed are a power head and a rotary drilling rig. The power head comprises: a mounting box (2), which is internally provided with a mounting cavity, wherein an opening is also provided on the mounting box, and the opening penetrates ...
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WO/2023/282894A1 |
The disclosure provides a solution for monitoring stick-slip vibrations without using any surface torque measurements. Instead, the disclosure provides a method to monitor stick-slip vibrations based on rotational speed. A stick-slip mon...
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WO/2023/278346A1 |
Disclosed are small model pit launch horizontal direction drills suitable for drilling a substantially horizontal bore hole and laying pipe underground from within a surface dug pit. The devices comprise a stationary frame and a carriage...
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WO/2022/242277A1 |
A gas-lift reverse circulation drilling device, comprising an inclined hole seat (10) and a power device (20). The power device is pivotably disposed on the inclined hole seat. The inclined hole seat comprises a lower seat (11), an upper...
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WO/2022/221934A1 |
A stall control system for a raise boring machine is provided. In one implementation, the stall control system includes one or more hydraulic control valves connected to thrust cylinders of the raise boring machine to vent pressurize oil...
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WO/2022/205263A1 |
A low-power microwave coring machine applicable to lunar rock, and a usage method therefor. The low-power microwave coring machine comprises an apparatus platform, wherein a supporting frame front plate and a supporting frame rear plate ...
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WO/2022/192424A1 |
A system and apparatuses for breaking down and collecting asteroids. The asteroid miner apparatus comprises a body, an aperture, a plurality of holes, a plurality of speakers, a drill, an attachment piece, a fan, a baggage, and a set of ...
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WO/2022/187309A1 |
A rotary steerable system including a steering section having not more than one piston or not more than two pistons in a transverse cross-sectional plane of the steering section. The steering section includes two distribution flow passag...
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WO/2022/187335A1 |
A rotary steerable system including a steering section having at least one piston, at least one distribution flow passage extending from a valve to one of the pistons, and two main flow passages bypassing the pistons. At least a portion ...
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WO/2022/162108A1 |
A method (1000) for controlling movement of a movable element of a mining machine is provided. The method comprises providing (1010) a relation between control values for a hydraulic valve arranged to affect a movement of the movable ele...
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WO/2022/087707A1 |
An axial linkage acting between the main body and the gripping assembly of a tool for gripping tubular workpieces includes a drive cam body that coaxially engages an intermediate cam body via a drive thread, with the intermediate cam bod...
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WO/2022/057437A1 |
A stirring pile construction apparatus provided with a stirring cage (6). The construction apparatus comprises a pile frame (1), a drill rod (2) is provided on the pile frame (1), the hollowed-out stirring cage (6) is sleeved on the lowe...
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WO/2022/054937A1 |
The purpose of the present invention is to provide a ground drilling device that can be maintained in a shorter time by reducing the abrasion of the rotary blade, extending the life of each component, and lowering the exchange frequency....
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WO/2022/041549A1 |
A rotary drilling rig integrated with winch pressurization and cylinder pressurization, and a transportation method therefor. The rotary drilling rig comprises a mast (102) and a power head (16) movably disposed on the mast (102); the ro...
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WO/2022/038470A1 |
A connector assembly for a drilling apparatus for connecting a drill motor to a drill pipe, comprises a top drive unit connectable to the drill motor and a lower floating connector unit connectable to a drill pipe. The top drive unit inc...
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WO/2022/033533A1 |
An efficient operation drilling rig, mainly comprising: a base (1); a derrick (2), an iron roughneck (5), a drill floor manipulator (6) and a pipe transfer device (7) mounted on the base; a top drive (8), a multifunctional manipulator (9...
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WO/2022/026559A1 |
A drilling assembly and method of drilling a wellbore is disclosed. The drilling assembly includes a steering device having a tilt device and an actuation device. A first section and a second section of the drilling assembly are coupled ...
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WO/2021/243537A1 |
Disclosed in the present invention is an adjustment structure for use in an agricultural machinery water well drilling rig, comprising a base, two fixed blocks being arranged symmetrically inside the base, two moving plates being arrange...
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WO/2021/231294A1 |
Apparatus and operational methods thereof, including a top drive, a rotation sensor, and a processing device. The top drive connects with an upper end of a drill string. The rotation sensor facilitates rotational distance measurements in...
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WO/2021/213798A1 |
The invention relates to a device (1) for transferring data and/or power from a rotating part, for example from a pipe handler (10), to a rotationally fixed part, for example to a top drive (3), of a derrick or of a handling winch, compr...
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WO/2021/151189A1 |
A drilling apparatus connectable with a drill pipe and connectable with a drilling assembly comprising a drilling assembly housing, for use in drilling a borehole, including a rotation restraining device actuatable between a retracted po...
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WO/2021/138162A1 |
A method and system of adjusting near-bit weight on a drill bit in a drill string having a bottom hole assembly located at an end of a drill pipe, an anti-stall device near the bottom hole assembly, surface sensing and control equipment ...
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WO/2021/128072A1 |
Provided are a sampling drilling implement used for seabed exploration, and a method for use; in view of the problems of poor stability of existing sampling drilling implements for seabed exploration, which cannot guarantee accuracy of s...
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WO/2021/120722A1 |
A drilling tool, comprising an outer cylinder (1); a power rotary shaft (13), provided in an inner cavity of the outer cylinder (1), the power rotary shaft (13) being able to be driven to rotate around the axis thereof; an impact generat...
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WO/2021/120720A1 |
A well drilling tool and a method for determining a parameter thereof. The well drilling tool (1) comprises an upstream drilling tool (10), a downstream drilling bit, and an impactor (30); the impactor (30) is connected between the upstr...
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WO/2021/118416A1 |
A drilling rig training simulator comprises a trainee's station having: panels simulating an activation panel of an engine and manometers of a drilling rig; taps simulating feed and discharge control of drilling fluid; and also levers an...
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WO/2021/105812A1 |
A tubular running tool equipped with a mandrel having an elongated body and configured for suspension above a wellbore. A plurality of slips are disposed on the mandrel. Each slip is configured to receive and hold a swappable insert via ...
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