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Patent Searching and Data


Matches 351 - 400 out of 2,224

Document Document Title
WO/2016/154348A1
The present disclosure relates generally to a well boring apparatus, and associated components, for drilling wellbores without the necessity of traditional well drilling equipment. The well boring apparatus operates on similar principles...  
WO/2016/149795A1
A downhole motor has a bearing mandrel rotatably disposed within a housing, plus an impact adapter disposed above and connected to the bearing mandrel and rotatable therewith. The impact adapter has upwardly-projecting teeth engageable w...  
WO/2016/150113A1
A positive displacement motor drill, consisting of an anti-falling assembly (1), a motor assembly (2), a universal shaft assembly (3) and a transmission shaft assembly (4), wherein the transmission shaft assembly consists of a mandrel (4...  
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/2016/149183A1
A driveshaft assembly comprises a cylindrical upper member, with one end of the upper member being connected to the rotor and an other end of the upper member having a plurality of torque transmitting profiles. An elongated central membe...  
WO/2016/144338A1
A retention apparatus can be used for a driveshaft transmission assembly. The retention apparatus may include a catch mechanism and a resilient member. The retention apparatus may be mounted to a radial bearing assembly of a driveshaft t...  
WO/2016/139264A1
A downhole stroking tool (1) comprising a housing (2), a first chamber (3), a first tool part (4) comprising a pump unit (5) providing pressurised fluid to the chamber, a shaft (6) penetrating the chamber, and a first piston (7) dividing...  
WO/2016/137667A1
A hydraulic jetting assembly is provided herein. The jetting assembly includes a jetting hose, with a jetting nozzle at its distal end. The jetting nozzle comprises a tubular stator body having a fluid discharge slot, and a tubular rotor...  
WO/2016/130161A1
A role-based information distribution system, in some embodiments, comprises a display to provide an image containing multiple dynamic icons. It further comprises a wearable device camera to capture the image, and processing logic, coupl...  
WO/2016/126258A1
Various embodiments include methods and apparatus structured to increase efficiencies of a drilling operation. A drilling apparatus can be structured to include a hammer drill to move a hammer to impart impact force to a bit box in conju...  
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/2016/108822A1
In accordance with some embodiments of the present disclosure, systems and methods for a toolface control system is disclosed. The system includes, a rotating drill string of a drilling tool, an assembly located within the rotating drill...  
WO/2016/099547A1
A mud motor, system, and method for using same are disclosed. A mud motor can include a continuously formed power section stator housing having a first end, a second end, and an internal cavity comprising a series of stator lobes and a h...  
WO/2016/093857A1
A downhole drilling motor, system, and method for using same are disclosed. A downhole drilling motor can include a power section stator having a first end, a second end, an internal cavity passing therethrough. The downhole drilling mot...  
WO/2016/094838A1
An oscillating mud motor having a valve section and a piston section positioned within a hollow cylindrical housing wherein the valve section comprises a timing cycle valve and a spool valve which hydraulically controls rotational moveme...  
WO/2016/085484A1
Traction for a downhole tractor in a wellbore. A downhole propulsion system can provide a first traction module; a second traction module; and a controller configured to compare a first input parameter representing operation of the first...  
WO/2016/074025A1
A dual circulation fluid hammer drilling system (10) has a fluid hammer (12) which is coupled to a drill string (14). The system (10) utilises a first fluid (16) and a second fluid (18). The first fluid (16) is delivered through the dril...  
WO/2016/075456A1
A downhole motor (107) which comprises a stator housing(108), a rotor assembly (106) rotatable relative to said stator housing, and an arrangement for enabling, in use, a drill bit connected to the rotor assembly of said downhole motor t...  
WO/2016/070987A1
The invention relates to a drilling ram device for drilling into the soil, which comprises at least a housing section for an impact piston, characterized in that an annular insert is arranged in front of the impact piston in the housing ...  
WO/2016/066177A2
This technique (Dynamic Underbalanced Drilling- DUBD) is based on basic physical and fluid mechanics laws to create an underbalanced zone below and around the bit. This technique utilizes the high velocities of drilling fluid coming out ...  
WO/2016/061636A1
This invention relates to a method, system and apparatus for cladding a surface of an articles subject to corrosive, erosive or abrasive wear, such as impact or grinding tools. The method includes providing a supply of stock material and...  
WO/2016/064500A1
A method for controlling an electrical actuator is disclosed. The method may include driving an electrical actuator at a power level during each of a plurality of actuation attempts and determining whether the electrical actuator actuate...  
WO/2016/060861A1
A downhole apparatus connected to a workstring within a wellbore. The workstring is connected to a bit member. The apparatus includes a mandrel operatively connected to a downhole motor mechanism, an anvil member operatively formed on th...  
WO/2016/043707A1
A downhole oscillation tool and method for axially vibrating a drill bit. In some embodiments, modular actuation assemblies may be provided, which may be readily interchanged between a housing and a shaft to axially vibrate the shaft wit...  
WO/2016/043762A1
An example well system includes a base pipe having an interior and defining one or more flow ports, the base pipe being positionable within a wellbore adjacent a subterranean formation. A flow path for a fluid extends between the interio...  
WO/2016/043709A1
A downhole oscillation tool and method for axially vibrating a drill bit. In some embodiments, modular actuation assemblies may be provided, which may be readily interchanged between a housing and a shaft to axially vibrate the shaft wit...  
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/2016/029728A1
A self-driven casing pipe lowering device, comprising, sequentially connected from top to bottom, a turbine assembly (1), a drive shaft (4) driven to rotate by the turbine assembly, a drill bit (5) driven by the drive shaft and installed...  
WO/2016/032954A1
An apparatus for forming a wellbore in a subterranean formation includes a drill bit, a connector connected to the drill bit and configured to transmit torque and thrust to the drill bit, and a drilling motor energized by a pressurized f...  
WO/2016/028160A1
A wireline- or umbilical-operated drilling unit (2) especially for forming a second borehole (12) sidetracked from an established first borehole (11) in an underground structure (1) and for reaming an established first or second borehole...  
WO/2016/026990A1
Drilling device that is characterized in that it comprises a cylindrical rod (1), the lower end (1a) of which is connected to the rotating motor of the machine and the upper end (1b) of which is connected to a guide tube; and a casing (2...  
WO/2016/015093A1
A down the hole hammer (10) incorporates: an inner tube assembly (100); a fluid flow control system (200); a bit retaining system (400); a porting sleeve (600); and a piston (700). Each of the: inner tube assembly (100); fluid flow contr...  
WO/2016/010436A1
The invention is a petroleum well downhole mechanical services platform tool on a conveyor line (10) - said conveyor line (10) comprising a power and signal line (12, 13, 11) for communicating with a surface system (160), and - said powe...  
WO/2016/011120A1
A driveshaft assembly (100) includes a driveshaft (120) with a shaft axis (125), a first end (120a), and a radially outer surface. The first end includes a plurality of recesses (124) extending radially inward from the radially outer sur...  
WO/2016/003351A1
The present invention concerns a down-the-hole drill that is driven via a drill string by a flow of fluid. It comprises a housing with an impact mechanism, a drill bit that is mounted such that it can be axially displaced in a driver chu...  
WO/2016/003350A1
The present invention concerns a down-the-hole drill that is driven via a drill string by a flow of fluid, comprising a housing with an impact hammer, the impact hammer being arranged with a drill bit mounted in a driver chuck, a hammer ...  
WO/2015/199730A1
A fiber optic sensor is disposed in the elastomer of the stator of the mud motor in order to sense elastomer strain while drilling. The frequencies of micro stalls and stick slips are measured from the fiber optic sensor data by classifi...  
WO/2015/192224A1
A measurement-while-drilling system is integrated into a mud motor. The measurement- while-drilling system includes sensors which may include inclination and tool face sensors, for example, located near to the drill bit. Data from the ne...  
WO/2015/187776A1
An apparatus for maneuvering a tool string within a borehole of a subterranean well includes a magnetic tractor casing with a central bore. A tractor body is located within the central bore of the magnetic tractor casing. A plurality of ...  
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/2015/176121A1
A retaining system (100) for a DTH hammer drill bit (25) having an outer surface with a plurality of stops (31) at an up-hole end (29) of the drill bit (25) the stops projecting radially outward from the outer surface and spaced by respe...  
WO/2015/167796A1
Repeated percussive forces may be provided using various devices, systems, assemblies, and methods. Example rotary percussive devices may be used in a downhole environment, including within a drilling system that includes a percussive ha...  
WO/2015/160534A1
Bearing assemblies, apparatuses, and motor assemblies using the same are disclosed. In an embodiment, a bearing assembly includes a plurality of superhard bearing elements (108) distributed circumferentially about an axis. Each of the su...  
WO/2015/139015A1
Disclosed is a method to enhance the reach of coiled tubing in the lateral section of a wellbore. The application of this method may enhance the use of coiled tubing in drilling very deep flowing wells. Similarly, the method may be appli...  
WO/2015/137931A1
Techniques for controlling a bottom hole assembly (BHA) include determining a first candidate BHA control signal; generating an input to a BHA control, the input comprising a perturbation signal superimposed on the first candidate BHA co...  
WO/2015/134001A1
System and method for supplying downhole power using a high-impedance alternator. The system includes a high-impedance alternator coupled with a rectifier at its output terminals, and a current fed power converter coupled with the rectif...  
WO/2015/134015A1
Compression set downhole clutch (100) can include an upper body (201), a lower body (202), and a hydraulic member (205). The upper body (201) can include at least one engagement surface (204). The lower body (202) can include at least on...  
WO/2015/134481A1
An apparatus energized by a flowing fluid includes at least one turbine blade having a trailing edge angle and an elastic deformation member connected to the at least one turbine blade. The deformation of the elastic deformation member c...  
WO/2015/122918A1
Drilling shaft deflection device (750) for establishing a deflection angle and azimuthal toolface direction of a drill bit (22) in a rotary steerable subterranean drill (20). The drilling shaft deflection device (750) includes a drilling...  
WO/2015/115904A1
The invention is a downhole petroleum well tractor having a main body (0) connectable to an electrical conductor logging cable (5) from a surface high voltage DC power supply (50), characterized by said main body (0) comprising a common ...  

Matches 351 - 400 out of 2,224