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WO/2021/092544A1 |
Methods, systems, and apparatus for imparting and limiting hypocycloidal, lateral, and torsional forces onto drill bits are provided, including hypocycloidal bearings for limiting hypocycloidal motion, lateral impulse mechanisms for impa...
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WO/2021/068557A1 |
Provided is a rotary drilling rig power head, provided with a drive module, a drill rod (10), a protective tube driver (15), an input member, a first output member, and a second output member; the drive module transmits power separately ...
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WO/2021/048023A1 |
Method, device and system for managing a mining facility (150 A-N) including a plurality of systems is disclosed. The method comprises generating, on a simulation unit (102, 330), system models (210, 220, 230, 240) for one or more system...
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WO/2021/037361A1 |
An arrangement (14) for a drilling system (10), such as an offshore drilling rig (12), the arrangement (14) comprising a suspension structure (48) for suspending a string (16, 78, 80) of tubulars (42), the suspension structure (48) compr...
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WO/2021/041280A1 |
A cellar 12 around a wellbore 15 is formed or deepened with an excavating system 10 that is capable of being assembled around an existing wellbore 15. The system 10 includes an excavating unit 18 having an annular body 21 with a cutting ...
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WO/2021/037339A1 |
A hydraulic system, mining machine and method of controlling a hydraulic actuator. The hydraulic system (HS) is provided with a control valve (23) for controlling movement direction and speed of a hydraulic actuator (HA) connected to the...
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WO/2020/225368A1 |
The invention relates to an onshore drilling rig (10) comprising a drill mast (12), a top drive (14) which can be moved in the drill mast (12) along the vertical axis of the drill mast (12), and a cage bearing (18) on an upper end (16) o...
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WO/2020/221926A1 |
A top drive system for wellbore related activities involving a drilling tubulars string. The system comprises a frame structure and a top drive device with one or more top drive motors, a transmission housing, a floating quill system wit...
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WO/2020/184283A1 |
A steel pipe pile (10) that is provided with a steel pipe body (11), and plate-shaped drilling bits (12) attached to an end surface of the steel pipe body (11) at an angle with respect to a tangent to the circumferential direction of the...
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WO/2020/184282A1 |
A steel pipe pile (10) that is provided with a steel pipe body (11), and plate-shaped drilling bits (12) attached to an end surface (11E) of the steel pipe body (11) at an angle (θ) with respect to a tangent to the circumferential direc...
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WO/2020/180687A1 |
A method comprises rotating a drill bit of a drilling system at at least 1000 rpm. The drill system can comprise a drill feed, a drill head comprising a motor and coupled to the drill feed, a drill string, comprising at least one drill r...
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WO/2020/156652A1 |
The present disclosure relates to a mining machine (100) adapted for extraction of material from a deposit and a method for controlling operation of such a mining machine. According to an embodiment, the mining machine comprises a data h...
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WO/2020/118784A1 |
A rotary self-drilling device for an extraterrestrial celestial body, wherein one end of a pressure sensor installation cylinder (10) is connected to a rear cover (7), a reed fixing lower cover (6) is installed on the rear cover (7), one...
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WO/2020/102310A1 |
A rotary steerable drilling assembly for directional drilling includes a driveshaft rotatably disposed in a driveshaft housing, a bend adjustment assembly coupled to the driveshaft housing, a bearing mandrel coupled to the bend adjustmen...
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WO/2020/088052A1 |
An electromagnetic drive motor (11), comprising a motor stator and a motor rotor (5). A housing (8) of the motor rotor (5) is sleeved on a stator iron core (1) of the motor stator where a stator winding (2) is wrapped. A through hole (10...
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WO/2020/081002A1 |
The present invention relates to a mining machine configured for electrical insulation status monitoring, a corresponding method performed in the mining machine and a computer program product. The mining machine comprises at least one po...
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WO/2020/072276A1 |
Disclosed are methods for transmitting data to a downhole tool. The methods include the option of confirming receipt and implementation of the transmitted data by the downhole tool. The disclosed methods utilize changes in RPM of the too...
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WO/2020/018121A1 |
Techniques are disclosed which acts to maintain a drillstring in dynamic friction during geo-steering operations when the drillstring is not rotating. Embodiments of the invention include a drilling system having a drillstring coupled to...
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WO/2019/210328A1 |
A downhole motor for directional drilling includes a driveshaft assembly including a driveshaft housing and a driveshaft rotatably disposed within the driveshaft housing, a bearing assembly including a bearing housing and a bearing mandr...
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WO/2019/210329A1 |
A downhole motor includes a driveshaft assembly including a driveshaft housing and a driveshaft rotatably disposed within the driveshaft housing, and a bearing assembly including a bearing housing and a bearing mandrel rotatably disposed...
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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/2019/164490A1 |
The disclosure generally relates to transmission of torque from a housing to a drive shaft. More specifically, the disclosure relates to configuration of contact surfaces between a housing and shaft to increase transmission of torque. To...
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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/2019/142091A1 |
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/2019/135682A1 |
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/2019/084530A1 |
Systems and methods for supplementing power to a drilling operation's generator and motor systems are disclosed. A power unit is connected to a power grid between generators and motors for a drilling operation. The power unit saps and st...
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WO/2019/067787A1 |
An auger rig for use for a portable ice auger is disclosed. The rig includes a support structure and an auger carriage movable between a raised position and a lowered position via a drive mechanism for drilling an ice hole. In illustrate...
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WO/2019/050824A1 |
Methods and apparatus for controlling drill string rotation. The apparatus may be a control system for controlling a driver operable to rotate a drill string to form a wellbore extending into a subterranean formation. The control system ...
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WO/2019/046675A1 |
Embodiments disclosed herein describe a rotating flow coupler that is configured to couple multiple sections of a casing for a horizontal well, wherein the rotating flow coupler is configured to rotate relative to the casing allowing an ...
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WO/2019/033039A1 |
An automated slide drilling system (ASDS) may be used with a drilling rig system to control slide drilling. The ASDS may autonomously control slide drilling without user input during the slide drilling. The ASDS may further support a tra...
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WO/2019/004837A1 |
There is described a drilling system (1) for drilling a well, the drilling system (1) having a well centre (8) through which a drill string (2) may be run into and pulled out of the well, said drilling system (1) comprising : - a coilabl...
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WO/2018/233218A1 |
Disclosed is a portable drilling machine and a power head water seal structure thereof, belonging to the technical field of drilling machines. The power head water seal structure comprises a power head spindle (2) and an inner water seal...
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WO/2018/231068A1 |
A safety device (20) for attaching to a pipe string (10) comprising a plurality of connected pipe sections (12). The device is configured, comprises a support structure (22) and a clamping arrangement (24) comprising a first engagement m...
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WO/2018/217678A1 |
A system for monitoring a drilling rig condition, the system comprising: a travelling block suspended via a drilling line from a crown block at the top of a mast of the drilling rig; a frame to which the drilling tools and/or a pipe stri...
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WO/2018/213941A1 |
A full-casing drilling tool (3), comprising an elevator (1) of which one end is connected to a drilling rig steel wire rope, and the other end is connected to a supporting rod (2). The other end of the supporting rod (2) is fixed to a pr...
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WO/2018/204902A1 |
A method and autodriller for drilling a wellbore with a drill rig by rotating a drillstring and a drill bit with a drill rig drive system; applying an initial weight of the drillstring on the drill rig WOB; measuring drill rig properties...
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WO/2018/198017A1 |
A backhead assembly system for a Down The Hole (DTH) hammer operated by a supply of compressed fluid, that comprises mainly a backhead, said backhead having a central hole capable of transporting the pressurized air to the hammer and an ...
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WO/2018/182899A1 |
A milling apparatus for cutting a tubular in a wellbore includes a cutting element on a tool body configured to cut the tubular in a wellbore when the cutting element is activated when the tool is moving upward inside the tubular. The cu...
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WO/2018/171346A1 |
A digging apparatus (10, 300) is disclosed. The digging apparatus(10,300) includes a handle assembly (14, 14a, 314), a motor (32), a main switch (22, 322) electrically connected with the motor(32). The main switch(22,322) is movable betw...
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WO/2018/169741A1 |
Earth-boring tools may include a body, blades extending outward from the body, and cutting elements secured to the blades. An entirety of a first blade may exhibit a first, constant or continuously variable radius of curvature different ...
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WO/2018/143817A1 |
It is discussed a method for drilling a well through a formation from a drilling installation, for the recovery of fluids, where a drill pipe (30) made up of a number of drill pipe sections is lead down into the formation and is supplied...
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WO/2018/137046A1 |
Tubing string rotators, safety rod clamps, combination tubing string rotators and safety rod claims, and rotating split tubing hangers are provided. The tubing string rotator can rotate a tubing string suspended in a hydrocarbon well fro...
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WO/2018/132862A1 |
A mobile, coiled tubing drilling apparatus with a rotary drill head, the apparatus including a non-rotating mast on a mobile platform, the mast having mounted thereon an injector below a coiled tubing reel, the injector defining an opera...
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WO/2018/112678A1 |
Disclosed is a pile casting torque multiplier (1), wherein an upper connecting plate (2) is connected to a power head box (21); the upper connecting board (2) is connected to a planetary gear shaft connecting ring (3); a planetary gear s...
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WO/2018/118523A1 |
A rotary table drive with a top plate and a bottom plate cooperating to define a bore and an adjacent sealed gear housing. A bushing adapter passes through the bore and is configured to receive a bushing to mate with a segment of polygon...
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WO/2018/118209A1 |
A system (100) for supplying power for drilling operations has a main powerhouse (102) and a drill floor powerhouse (104) in which the drill floor powerhouse is movable in relation to the main powerhouse. The main powerhouse (102) has a ...
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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 ...
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WO/2018/099518A1 |
The invention relates to a top drive axial bearing (200) for a drilling system, comprising a first bearing ring (232), a second bearing ring (234) and a plurality of rolling bodies (236) arranged between the first bearing ring (232) and ...
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WO/2018/099519A1 |
The invention relates to a top drive axial bearing (600) for a drilling system, comprising a first bearing ring (632), in particular a shaft disk, a second bearing ring (634), in particular a housing disk, and a plurality of rolling elem...
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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...
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