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WO/2019/190484A1 |
The disclosed embodiments include systems and methods to improve downhole drilling. A representative system may include a geostationary portion (e.g. a valve assembly) and a turbine coupled to the geostationary portion to cause counter-r...
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WO/2019/190982A1 |
Examples of techniques for model-based parameter and state estimation for directional drilling in a wellbore operation are provided. In one example implementation according to aspects of the present disclosure, a computer-implemented met...
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WO/2019/184861A1 |
An adjustable roof bolter for high slope anchoring, comprising a traveling track (1), an inclination angle sensor (2), a visual sensor (3), an adjustment oil cylinder (4), a sliding guide rail (5), a lifting lug (6), an operating platfor...
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WO/2019/180598A1 |
Drilling machine (1) comprising: a supporting structure (3); a drilling string (12); a drilling head (11); a flexible tensile element (17); a moving device (21), mechanically connected to the supporting structure (3) and mechanically ass...
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WO/2019/175765A1 |
The drilling machine (1) comprises: - a machine body (2); - a drilling head (3) associated in a movable manner with the machine body (2) which is adapted to excavate in a ground (4) along a direction of drilling (A) provided with a subst...
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WO/2019/174691A1 |
A robotic apparatus (1) for performing drill floor operations comprises a support arrangement (2) and at least one manipulator arm (6). The at least one manipulator arm (6) is configured to carry an end effector (11) configured to manipu...
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WO/2019/178240A1 |
An automation system for a drilling rig includes a processor and a computer memory in communication with the processor and storing computer executable instructions, that when implemented by the processor cause the processor to perform fu...
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WO/2019/172779A1 |
In an example of a method of performing work in a well, a vessel is provided, a wellbore assembly such as a tool string is suspended on a first flexible elongate member from the vessel, and the wellbore assembly is used to perform work i...
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WO/2019/173840A1 |
An integrated well construction system (IWCS) operable for constructing a well via integrated control of integrated control devices (901, 911, 921, 931, 941, 951, 961, 971) that collectively control integrated subsystems of the IWCS. The...
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WO/2019/173841A1 |
An integrated well construction system (IWCS, 100) operable for constructing a well via integrated control of integrated control devices that collectively control integrated subsystems of the IWCS. The IWCS includes an IWCS communication...
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WO/2019/169734A1 |
Disclosed is an integrated apparatus and a method for long-distance downhole drilling and fracturing. The apparatus comprises a drill bit (06), a fracturing rod (05), a protective rod (04), a hole sealing rod (03), a high-pressure sealin...
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WO/2019/173842A1 |
An integrated well construction system (IWCS) operable for constructing a well via integrated control of integrated control devices that collectively control integrated subsystems of the IWCS. The IWCS includes an IWCS communication netw...
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WO/2019/164889A1 |
A casing section mill has a main body with cut-outs to accommodate casing section mill blades mounted thereon, and stabilizer inserts mounted in the cut-outs below the blades. The stabilizer inserts yield an outer diameter substantially ...
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WO/2019/165188A1 |
Systems and methods for penetrating a subterranean formation with a downhole laser assembly (22) include a laser generation unit (24) located within a subterranean well. The downhole laser assembly further includes a vortex tube (30). Th...
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WO/2019/164440A1 |
The present disclosure relates to a vehicular work machine (1 0) comprising a first electric motor arrangement (31 ) comprising one or more electric motors (21, 21 '), and a second electric motor arrangement (32) comprising one or more e...
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WO/2019/164647A1 |
A rotary steerable tool may include a tool body with an upper end and a lower end. Additionally, the tool body may include at least one steering assembly extending from the tool body and includes at least one steering actuator configured...
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WO/2019/160757A1 |
Systems and methods for installing pipe underground are disclosed. The system includes a pneumatic rammer configured to provide a percussive force to a section of pipe. The system also includes a main jacking frame coupled to the pneumat...
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WO/2019/160420A1 |
A semi-submersible drilling vessel has a deckbox structure, one or more pontoons, and multiple support columns extending upward from the one or more pontoons and supporting thereon the deckbox structure. An annular riser joints storage c...
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WO/2019/160562A1 |
A rotary steerable tool for directional drilling includes a tool body including a flowbore for flowing pressurized fluid therethrough and a plurality of extendable members movably coupled to the tool body for selectively engaging a boreh...
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WO/2019/160559A1 |
A rotary steerable tool for directional drilling includes a tool body including an outer surface and a flowbore therethrough, a pad movably coupled to the tool body and alternately movable between an extended position and a retracted pos...
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WO/2019/148812A1 |
Provided are a jetting, expansion and extrusion combined pile, a construction method thereof and a spiral jetting, expansion and extrusion drilling rig used in the method. A pile of the combined pile comprises a pile body (101), an expan...
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WO/2019/144663A1 |
A drilling and dust removal integrated device of a mining drill carriage, comprising: a drill pipe (2); a drill carriage motor (1) rotated to drive the drill pipe to drill; a dust hood (10) provided corresponding to the drill pipe; a cyc...
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WO/2019/145122A1 |
An apparatus for drilling a well which includes a drill bit (2) arranged at the end of a length of drill tubing (4), a motor (3) to rotate the drill bit and steering means to steer the drill bit, and including torque measuring means (5) ...
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WO/2019/144507A1 |
Disclosed is a mechanical downhole tool for vertical well drilling using a screw cam, consisting of a motor assembly, a universal shaft assembly and a straightening assembly. The front end of the motor assembly is connected to the univer...
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WO/2019/147820A1 |
A reaming tool for use in a wellbore has an elongated tubular body with an outer surface. There are at least first and second reamer sections formed on the tubular body, with the first and second reamer sections (i) being positioned circ...
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WO/2019/145602A1 |
An arrangement and a method for installing a casing in a borehole. The arrangement (100) comprises a casing (1), a boring pipe (2) which is adapted within the casing (1), the boring pipe (2) comprising flow channels for compressed air (3...
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WO/2019/142024A1 |
While drilling directional and horizontal oil and gas wells, there are two methods for orienting the well in the predefined trajectory and, finally, hitting underground targets: The first is to use down-hole motors along with adjustable ...
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WO/2019/142091A1 |
Assembly for driving excavating equipment (10, 12) for an excavating machine (100), the assembly comprising: a drive assembly (110, 900), adapted to slide along a mast (5) of a machine (100), for driving the drilling equipment (10, 12); ...
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WO/2019/143402A1 |
A method of safe pressurized mud cap drilling includes determining a set point for a surface backpressure choke manifold, injecting sacrificial fluids into a drillstring disposed in a wellbore, injecting weighted mud into an annulus, and...
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WO/2019/140884A1 |
A traffic engineering construction slope protection device, comprising a workbench (1), a hole drilling device (2), and a water quantity adjustment device (3); a drill hole (10) is opened on the workbench, the periphery of the drill hole...
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WO/2019/140336A1 |
A ported casing collar. The ported casing collar comprises a tubular body defining an outer sleeve. At least first and second portals are placed along the outer sleeve. The casing collar also comprises an inner sleeve. The inner sleeve d...
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WO/2019/136521A1 |
The present invention relates to a multipurpose drill system, the multipurpose drill system comprising: a drilling rig adapted to drive a drilling assembly; and two or more power sources, wherein at least one of the two or more power sou...
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WO/2019/136524A1 |
A reamer (1) for underground passageways, comprising: a support housing (3) and a plurality of radially extending cutting wings (11); a plurality of ring segments (13), wherein each ring segment (13) includes an arcuate ring portion (15)...
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WO/2019/134432A1 |
A hydraulic cutting drill bit with self-carried abrasive material, comprising a drill bit and cutting heads (20) installed around a drill bit top portion. The drill bit is composed of a drill bit outer wall (1) and a drill bit chamber bo...
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WO/2019/134976A1 |
A drilling conductor (32) supported within a suction anchor (28) is installed by lowering the suction anchor through the top (18) of a frame (12) of a subsea processing unit (10). The base (14) of the frame defines a landing area for the...
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WO/2019/135682A1 |
A tunnel-boring machine (3) comprising a frame (6), a rotating boring head (4) with rolling disc cutters (5) supported at a front end of a first frame portion (6a), a second, polygonal frame portion (6b) extending rearwards from the firs...
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WO/2019/134956A1 |
This boring assembly (10) extends along a main axis (A – A') and comprises: • - a boring head (18) comprising: • + at least one first nozzle (20); • + at least one second nozzle (22), the or each second nozzle being different fro...
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WO/2019/133003A1 |
A drilling system for drilling a wellbore that includes a drill string rotatable in a first direction. The system also includes a bottom hole assembly (BHA) that includes: a drill bit, a housing with a bore, a first fluid-driven motor in...
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WO/2019/133033A1 |
A drill string steering system includes a flow manifold and a rotary valve. An actuation flow channel and a backflow channel are rotatable with respect to piston flow channels of the flow manifold. The actuation flow channel is rotatable...
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WO/2019/130015A1 |
A whipstock having a longitudinal axis, a first end and a second end, and a tapering deflection section extending at least part of the way between the first end and the second end, wherein: the deflection section has a rear face; the def...
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WO/2019/133035A1 |
A rotary steerable tool for steering a drill string can include a tool collar, a plurality of pad pushers, and a plurality of fasteners. The pad pushers can each be positionable within a respective cavity of the tool collar. Each pad pus...
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WO/2019/133036A1 |
A rotary steerable tool for steering a drill string may include a tool collar extending along a longitudinal axis of the tool, a pad pusher, a pad retention housing, and a piston liner. The pad pusher may be rotatable about a pivot axis ...
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WO/2019/132929A1 |
The disclosed embodiments include systems and methods to improve downhole drilling. In one embodiment, a method to improve downhole drilling includes receiving a well plan, where the well plan is indicative of a well path to form a boreh...
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WO/2019/132691A1 |
The invention relates to the field of drilling. A drilling assembly comprises a drill bit, and a positive displacement motor having a bending unit for deviation by a tilt angle f, and further comprises a rotation module and a hinge modul...
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WO/2019/133034A1 |
A steering head for steering a drill string may include a pad pusher including a steering pad and a piston. The steering pad may have a pivot axis, and be rotatable about the pivot axis between retracted and extended positions. The pad p...
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WO/2019/133032A1 |
A drill string steering system includes a motor and a rotary valve body disposed in a tool body. The motor includes a motor shaft coupled to the motor and extending within a central bore of the tool body. The motor shaft has a downhole e...
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WO/2019/125641A1 |
A pipe handling system for a platform based drill (16) includes a drilling platform (18) with a frame structure (20) having a first end (32), a second end (34) opposite the first end, and first and second opposite sides (33, 35). A mast ...
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WO/2019/125643A1 |
A platform based drill includes a drilling platform (18) including a frame structure (20) with first and second opposite ends (32, 34), and first and second opposite sides (33, 35). A mast (30) supported on a pivotal connection (46) to t...
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WO/2019/125533A1 |
A system, drilling assembly, and method to control adjustable pads for use in downhole directional drilling. The drilling assembly comprises a bent housing comprising an upper section, a lower section, a bend between the upper and lower ...
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WO/2019/121401A1 |
The invention relates to a feed beam, rock drilling unit and to a method. The feed beam (5) comprises a metallic base profile component (11) and one or more composite stiffening elements (19).
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