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Matches 1 - 50 out of 1,588

Document Document Title
WO/2018/131689A1
The present invention increases a hammer output by setting piston stroke to short stroke while maintaining hammering energy without changing a hydraulic circuit arrangement. This hydraulic hammering device is provided with: a piston fron...  
WO/2018/129278A1
A pile driving adapter (10, 10a) includes an upper attachment portion (20, 20a) for selectively attaching the adapter (10, 10a) to a drill head (12) and a lower housing portion (22) including at least a first outer wall (50). The pile dr...  
WO/2018/106256A1
A drilling system includes a top drive having a motor with a rotating shaft and an adjustable torque. The drilling system also includes a connector that couples the rotating shaft to a drillstring. The drillstring system also includes a ...  
WO/2018/078054A1
Monitoring device (10) and connected monitoring method, of an operating area (12) of an operating machine (1 1) provided with a work member (14) and support and movement means (15) of the work member (14), said monitoring device comprisi...  
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/2018/026849A1
Apparatus and method for drilling a wellbore using non-synchronous oscillators. An apparatus for drilling a wellbore includes a tubing string and a bottom hole assembly coupled to the tubing string. The bottom hole assembly includes a fi...  
WO/2018/021931A1
The invention relates to the mining and construction industries and is designed to increase reliability, reduce vibrational loads and improve serviceability. The indicated technical result is a hydrohammer, which comprises a body with a ...  
WO/2018/021930A1
The invention relates to the mining and construction industries and is designed to increase the operating efficiency of a hydrohammer and simplify the design thereof. The indicated technical result is a hydrohammer, which comprises a pre...  
WO/2018/009093A1
The invention relates to the mining and construction industry and is directed at increasing the production efficiency and utilizational efficiency of a hydraulic hammer. The indicated technical result consists in a hydraulic hammer, comp...  
WO/2017/223562A1
A pneumatic drilling device comprising: an impact manifold or cylinder in fluid communication with a rotary air manifold or gear box; and a single air inlet. The single air inlet may be in fluid communication with the impact manifold or ...  
WO/2017/197442A1
A fluid pulse apparatus for down hole drilling having a turbine assembly actuated by a flow of drilling fluid. The apparatus has a narrowed fluid flow section that cooperates with a piston that moves between an open a fluid flow restrict...  
WO/2017/192625A1
A valve assembly includes a valve body having a fluid inlet and a fluid outlet. An operator cavity is within the valve body, and the valve body includes a valve operator socket surface. A valve operator is slidably coupled with the valve...  
WO/2017/174486A1
The invention relates to a counter hold system (4) for a drilling system, comprising an axially and/or radially flexible, preferably tubular, bellows (401) with two annular openings, and a cylinder body (403) which is axially movable in ...  
WO/2017/110793A1
Provided is a hydraulic hammering device that is capable of sufficiently transmitting hammering force to bedrock while further strengthening the cushioning action and suppressing equipment damage. The present hydraulic hammering device i...  
WO/2017/083940A1
A drill motor assembly including a drill shaft and at least two sub-motor assemblies operatively engaged with the drill shaft to cause the drill shaft to rotate.  
WO/2017/056026A1
A percussion device that includes: - an input side; - an output side; - at least one drive transmitter; - a drive transmitter pathway; - a percussion impactor; and - a percussion anvil; where: the drive transmitter pathway is a circumfer...  
WO/2017/041118A2
A vibration generator (9) for a drilling installation comprises a housing (16), at least one rotation body (17), a suspension (24) by means of which the rotation body is suspended rotatably within the housing, the mass centre of the rota...  
WO/2017/023784A1
This disclosure describes methods and systems for remote control of stroke length and frequency of percussion apparatus, such as a rock hammer drill. At a high level, the hammer drill is allowed to stay at a default low stroke length and...  
WO/2017/013597A1
The invention relates to a pneumatic down-the-hole drill hammer (1) comprising a back- head (2) supporting a check valve (12) and having an integral chamber divider (13) and skirt (14) with a control rod (22) fixedly supported centrally ...  
WO/2017/008522A1
A novel petroleum exploration apparatus based on the Internet of Things, comprising a drilling mechanism and a control system, the drilling mechanism comprising a drilling assembly and an auxiliary assembly, the drilling assembly compris...  
WO2017010400A1
The present invention increases a hammer output by setting a piston stroke to a short stroke while maintaining hammering energy. This hydraulic hammering device is provided with: a cylinder (100); a piston (200) slidingly fitted in the c...  
WO/2017/000015A1
Because of variations in the ground and in the posts it is sometimes necessary to reduce the blow energy of the hammer. The present invention provides a device for use with a hydraulic hammer of the type that uses a back head gas chamber...  
WO/2016/192107A1
A method for varying a weight on a drill bit in a wellbore. The method includes running a downhole tool into the wellbore on a drill string. The downhole tool includes a motor and a drill bit. The drill bit is rotated with the motor to d...  
WO/2016/178069A1
The invention is a safety system for the operating members (M1), rotating or movable in general, of drilling machines (M) or processing machines in general, comprising: transponders (T1, T2, T3,..., Tn, Tx1, Tx2,..., To) suited to transm...  
WO/2016/154703A1
Embodiments disclosed herein relate to tools capable of amplifying or dampening axial forces produced by downhole equipment. More specifically, apparatus and methodologies provide a tool for imparting amplified axial loads (e.g. a hammer...  
WO/2016/148575A1
A percussive hammering assembly comprises a tool assembly (24, 25). The tool assembly (24, 25) is arranged to be oscillated in a direction (P) within a casing. An impact piston (27) is arranged slideably in a housing (28), together with ...  
WO/2016/120087A1
An elongate drilling guide rod (100) for percussive drilling comprising a deviation resistant section (107) extending axially along at least part of a main length section (106) of the rod. The deviation resistant section comprises a circ...  
WO/2016/115076A1
A valve assembly for managing a flow of fluids in hydrocarbon development and production operations includes a valve body having an internal body cavity and a body bore intersecting the body cavity. A valve plug is located within the bod...  
WO/2016/109868A1
A multi-fluid drilling system (10) drilling is disclosed for drilling a hole or well (11). The system (10) is coupled to a dual wall drill string (12). The drill string (12) is configured to enable separate flow of a first fluid (14) and...  
WO/2016/079013A1
A drill string rod (100) and a drill string assembly that includes a drill rod (100) and a drill bit (112) in which the rod comprises a threaded male end (103) and a female end (102). An axially extending shoulder (110) is provided at th...  
WO/2016/041049A1
Embodiments disclosed herein relate to downhole tools capable of creating a vibration, and more particularly to methods and apparatus for creating tunable pressure pulses for imparting vibration to a downhole drill string.  
WO/2016/005178A3
A drilling apparatus for drilling a lateral bore to main bore (1), comprises a casing (4) in the main bore, having at least one window (35), at least one lateral tube (6), including a bit (15) or other soil penetrator, the lateral tube w...  
WO/2015/188155A1
A friction reduction apparatus (FRA) positioned onto a pipe string comprises a tubular housing, upper and lower mandrels having variously configured fluid flow passages and ports, a valve and a shifter. Fluid travelling through the appar...  
WO/2015/188155A8
A friction reduction apparatus (FRA) positioned onto a pipe string comprises a tubular housing, upper and lower mandrels having variously configured fluid flow passages and ports, a valve and a shifter. Fluid travelling through the appar...  
WO/2015/161341A1
There is provided a mast for a rig, comprising a main boom having a lower end adapted for pivotal connection to a mast support of the rig; and a mast stop extending from the main boom. In use, the mast pivots between a stowed condition a...  
WO/2015/142259A1
Distribution valve (7) for controlling hydraulic flows to different consumers, wherein the distribution valve includes a to and fro movable valve body (8). The valve body (8) includes a central bore hole (38, 39) extending in axial direc...  
WO/2015/109364A1
A fluid pulse apparatus for down hole drilling having a turbine assembly actuated by a flow of drilling fluid. The apparatus has a narrowed fluid flow section that cooperates with a piston that moves between an open a fluid flow restrict...  
WO/2015/092875A1
This impact-driven tool is provided with a cylinder and a piston which is inserted in the cylinder in a slidable manner and which has a large-diameter section. The cylinder is provided with: one end chamber which is a space defined by th...  
WO/2015/080439A1
The present invention relates to a hydraulic hammer, and more specifically, to a low-noise hydraulic hammer, wherein an impact bar that is accommodated inside of a piston is inclined so as not to contact the inside of the piston thereby ...  
WO/2015/071381A3
The present invention relates to a filter drill rod for a hydraulic down-the-hole hammer. The drill rod comprises a first fluid flow channel through the drill rod; and a second fluid flow channel through the drill rod. The drill rod also...  
WO/2015/073653A1
An apparatus, system, and method of fabricating a percussion tool that includes a flow tube. The flow tube includes upper and lower portions, inner and outer walls, and at least one opening formed in the outer wall. The upper portion ext...  
WO/2015/072955A1
A hydraulic percussion device intended for the impact-fracturing of rock and synthetic materials. The present invention contains a housing, in which are installed centering bushings, sealing bushings, a sleeve and a piston-striker, formi...  
WO/2015/073656A1
A system and method of fabricating a percussion tool that includes a choke valve that is replaceable and/or maintainable without disassembly of the percussion tool. The flow tube includes inner and outer walls and at least one opening fo...  
WO/2015/046833A1
The present invention relates to a backhead of a hydraulic breaker, which allows an existing backhead to be separated from a conventional hydraulic breaker case and the backhead to be fastened thereto, thereby having compatibility, and w...  
WO/2015/039162A1
A percussion device including an impact piston (66), a fluid system (70) for driving the impact piston, a seal 98b", a lubrication path (300), and a member (92, 93, 94). The member is mounted to slide through the seal, and has at least o...  
WO/2015/039861A1
A rock drilling shank adaptor comprising an elongate body having an internal flushing bore and an entry hole through the sidewall of the adaptor in fluid communication with the internal bore. The flushing hole is optimised to reduce the ...  
WO/2015/032661A1
Percussion drilling apparatus to affect at least one characteristic of a shock wave produced in a drill string. The apparatus comprises an elongate energy transmission adaptor 100 having a shock wave modification sleeve 101 configured wi...  
WO/2015/010977A1
An oil and gas recovery article comprising at least one part made of a poly(arylether sulfone) polymeric material comprising at least one poly(arylether sulfone) polymer, wherein said (t-PAES) polymer comprising more than 50 % moles of r...  
WO/2015/003215A1
The present invention is directed to a dynamic seal tube for use in pressurized fluid-driven down hole hammer drills. The dynamic seal tube is a tube that slides within the bore of the piston and the anvil portion of the drill bit and co...  
WO/2014/206471A1
A method for controlling a percussive drilling process on a work machine, the method comprising: obtaining, from at least one sensor, measurement data regarding at least one hole being percussive drilled; generating a reference pattern o...  

Matches 1 - 50 out of 1,588