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Patent Searching and Data


Matches 1 - 50 out of 2,276

Document Document Title
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...  
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...  
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...  
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); ...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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/2018/099518A1
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 ...  
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...  
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/2018/085917A1
A torque transfer control tool has a rotary-stroking piston that is axially movable within a fluid chamber in response to rotation of mandrel having an upper end co-rotatably coupled to a first torsional drive system component and a lowe...  
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/2018/072019A1
Sealing/locking rod safety clamp systems and components are provided. In some embodiments, the systems can comprise a locking rod clamp, a lockable drive motor shaft, and locking shaft rams. Methods of use of sealing/locking rod safety c...  
WO/2018/058214A1
The present invention relates to a method and a system used in petroleum well construction operations for the purpose of measuring the execution performance of the various operations involved in the construction of a well and providing, ...  
WO/2018/050452A1
A rotary electrohydraulic actuator includes a direct drive hydraulic motor having an output shaft through opening that is concentric with a rotational axis of a rotor of the hydraulic motor. The actuator includes a power plant mounted on...  
WO/2018/049199A1
A drill string comprises a mechanical drill bit and a ram accelerator with a launch tube proximate to the mechanical drill bit. A projectile accelerated by the ram accelerator exits the mechanical drill bit through an orifice and impacts...  
WO/2018/022200A1
A select fire system and method for controlling operations in a gun string assembly comprising perforating guns and switch subs mechanically connected in the gun string assembly is disclosed. Each of the switch subs further comprises a s...  
WO/2018/008842A1
The present invention relates to top-sheaves for preventing a leader of a drilling machine from being bent, wherein the principle of the lever is applied to the top-sheaves of a leader so as to effectively distribute a load transmitted t...  
WO/2018/007236A1
A foundation drilling machine (100) comprises: a base (1) revolvingly mounted on an undercarriage (2), a rotation system (7) that allows the base to rotate with respect to the undercarriage, a tool (50) intended to work the ground, an ar...  
WO/2017/217848A1
A method for drilling a wellbore wherein use is made of a top drive device comprising: -multiple electric top drive motors each having a rotor, -a transmission to which said rotors of said multiple top drive motors are operatively connec...  
WO/2017/217839A1
A wellbore drilling installation and method for drilling a wellbore or other wellbore related activities. The installation comprises a drilling tower, drill floor with well center, and a slip device system comprising a first slip device ...  
WO/2016/197255A9
Apparatus for use in subsurface drilling permits coupling and uncoupling of drill string sections while continuously moving the drill string. Tripping times can be reduced while maintaining low speeds of the drill string. In one embodime...  
WO/2017/204664A1
The invention can be used in underground mining, being mounted on a device commonly known as a rock drilling jumbo. The system of the invention is used for systems for drilling long radial holes. In ore extraction in underground mining, ...  
WO/2017/188876A1
A retainer means for the connection between a drill bit and a chuck fastening of a rotating tool, in particular for a rock drill arrangement, whereby the chuck fastening comprises first retainer means, and the drill bit comprises a drill...  
WO/2017/091495A3
A system (10) for drilling a subterranean borehole (20). In an embodiment, the system includes a mast (12), and a pipe rotator (50) coupled to the mast. The pipe rotator includes a stem (52) that is configured to be coupled to an end of ...  
WO/2017/147563A1
Apparatus for splitting rock, the apparatus comprising: a housing; a drill assembly mounted to the housing and configured to move longitudinally relative to the housing, the drill assembly comprising a shaft having a proximal end and a d...  
WO/2017/127924A1
A rotor carries a gripping mechanism operable to grip an elongated object such as a drill string section. The rotor is driven by one or more drive mechanisms comprising a flexible element such as a chain. The flexible element allows some...  
WO/2017/132105A1
A top drive unit including a top drive housing, a drive stem disposed in the top drive housing, a carrier configured to axially move the drive stem relative to the top drive housing, and a drive mechanism for rotating the drive stem.  
WO/2017/127604A1
A method and apparatus for suppling non-hydraulic power to a tool unit during well operation. A top drive (4) supplies power to a power consumer of the tool unit (200) with a non-hydraulic power supply: a mechanical power coupling from t...  
WO/2017/127749A1
A drill rig system for drilling a wellbore in the earth, the drill rig system comprising: a drill rig comprising: a substructure supporting a rig floor and a mast extending vertically above the rig floor; a top drive supported by a line ...  

Matches 1 - 50 out of 2,276