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Patent Searching and Data


Matches 851 - 900 out of 13,420

Document Document Title
WO/2015/121273A1
A drill bit is provided, which comprises a cutter structure, at least one opening in the drill bit for removal of cuttings from the cutter structure, and at least two transport screws arranged in connection to the opening for transportin...  
WO/2015/120566A1
The invention relates to a drilling and boring system, a manipulating arm and a method for diamond drilling or a wireline comprising at least one tower, at least one rotary head and at least one rod rack (24), where each tower supports a...  
WO/2015/118348A1
The invention relates to an apparatus (10) for installing a wellbore (12) on a seabed (14). The apparatus includes a suction member (16) including a housing (17) defining a chamber (18). The housing (17) has an open end (20). The open en...  
WO/2015/119703A1
Embodiments of a geosteering system, method of operation, and associated media are disclosed. The system includes a computing system (200) at a facility (102) remote from at least one rig site (104). The computing system includes at leas...  
WO/2015/115985A1
The invention pertains to a method for controlling propulsion of a drilling rig (100), said drilling rig comprising right propulsion means (130b) and left propulsion means (130a) and mutually independent speed control and a transmission ...  
WO/2015/117151A2
The present disclosure relates to a system, apparatus and method for guiding a drill bit based on forces applied to a drill bit, and drilling methods related to same.  
WO/2015/052301A3
Provided is an apparatus for use in resonance enhanced drilling, which apparatus comprises a drilling module comprising a drill-bit, wherein the apparatus further comprises: a sensor for measuring one or more parameters relating to the i...  
WO/2015/112024A2
There are described methods for controlling the direction of a wellbore trajectory during directional sliding drilling by means of a drill string having a drill bit rotatable, by means of a mud motor, around a drill bit rotation axis at ...  
WO/2015/111713A1
 From measurement values respectively detected by a triaxial magnetic sensor (23) and an orientation detection sensor (22) integrally provided to an excavation bit (20) mounted on the front end of an excavation rod (10), a rotation ang...  
WO/2015/112119A1
An apparatus and method for creating axial movement of a drill string using a variable valve and a controller. In some embodiments, the controller is a proportional-integral-derivative controller.  
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/2015/108746A1
An underwater drilling rig assembly includes a hull anchored to a sea floor with at least one anchoring component. Also included is a rig assembly disposed on the hull. Further included is a mast unit of the rig assembly. Yet further inc...  
WO/2015/107068A1
The invention relates to a mine vehicle and a method. The mine vehicle comprises at least one scanning device for scanning surroundings of the mine vehicle and producing operational point cloud data. The mine vehicle comprises a control ...  
WO/2014/059282A3
A method for calculating orientation changes within a borehole using a gyro sensor to detect angular deflection rates in an attitude reference interval as a MWD system is moved from a first to a second location within the borehole. A com...  
WO/2015/107070A1
The invention relates to a mine control system for monitoring mine operations. The system comprises several mine vehicles provided with on-board monitoring means. Monitoring data is transmitted from the mine vehicle to a mine control sys...  
WO/2015/106799A1
The invention relates to a mine vehicle, a mine control system and a mapping method. The mine vehicle comprises at least one scanning device for scanning surroundings of the mine vehicle and producing a second point cloud data. The mine ...  
WO/2015/084318A3
A drill string stabilizer has an elongated cavity formed in an exterior surface of the body. An elongated blade is generally disposed to extend from the cavity. The blade is extended or retracted by rotating a stud threaded on opposite e...  
WO/2015/079003A3
The present invention relates to a downhole production casing string for insertion in a borehole in a reservoir, the downhole production casing string having a first end nearest a top of the borehole and a second end furthest away from t...  
WO/2015/107069A1
The invention relates to a mine vehicle and method of determining position and direction of an object of the mine vehicle. The mine vehicle comprises at least one scanning device for scanning surroundings of the mine vehicle and producin...  
WO/2015/108987A1
A method of forming a mudline cellar includes positioning a mudline cellar forming member on a seafloor surface. The mudline cellar forming member includes an outer surface and an inner surface that defines an inner cavity. The method fu...  
WO/2015/108512A1
A diverter assembly can include a diverter having a deflection surface, and an annular seal device externally disposed and longitudinally displaceable on the assembly in response to a pressure differential being applied across the device...  
WO/2015/103715A1
The invention relates to a thermal lance (1) having adequate flexibility and concentrated effective heating capacity for the fusion cutting and/or piercing of any type of material, for example, for piercing and opening tapping passages i...  
WO/2015/105428A1
It is described a rotary drilling system (10) for drilling a borehole (12) in inhomogeneous and/or hard rock formations. The system (10) comprising: a rotary drill bit (20; 50), and at least two electrodes (21, 22, 23, 51, 52, 53) arrang...  
WO/2015/030752A3
A system for establishing hydraulic communication between a relief well and a target well, wherein a relief well is drilled to include a portion of the target wellbore that is axially offset from and substantially parallel to a portion o...  
WO/2015/102612A1
A system and method for milling a casing in a wellbore wherein an upper milling portion of a milling system engages a track of a lower guide system of the milling system in order to orient the upper milling portion. The upper milling por...  
WO/2015/100484A1
A method and apparatus for directional drilling using mechanical wave detectors and a drill string having a drill bit at a drill bit end of the drill string. During an underground drilling operation in an underground formation, a mechani...  
WO/2015/103511A1
A hydraulic tool includes a stator and a rotor rotatably disposed within the stator. At least one of at least an inner portion of the stator and at least an outer portion of the rotor includes an insert comprising a hard material. A meth...  
WO/2015/102600A1
A wellbore assembly is provided that can include a first motor housing assembly member and a second motor housing assembly member that can bend relative to the first motor housing assembly at a bend location. The assembly can also includ...  
WO/2015/103340A1
A well intervention semisubmersible vessel and method including a drilling rig further including a non-elevated derrick floor and a handling tower having a single point land out without riser tensioners. The vessel may also include a flu...  
WO/2015/103213A1
A drill bit for forming a hole in a formation. The drill bit has a shank and an annular crown that cooperate to define an interior space that receives water or other drilling fluid. The annular crown defines inner channels spaced circumf...  
WO/2015/102599A1
A wellbore assembly is provided that can include a first motor housing assembly member and a second motor housing assembly member that can bend relative to the first motor housing assembly at a bend location. The assembly can also includ...  
WO/2015/102596A1
An example downhole apparatus includes a drive shaft with a longitudinal axis, a spherical portion that extends radially from the longitudinal axis, and first and second interfacial surfaces proximate the spherical portion. An outer hous...  
WO/2015/102584A1
A directional drilling steering system is configured to direct a tubular sleeve arranged at the bottom of a drill string adjacent the drill bit at a selected tilt angle with respect to the longitudinal axis of the uphole drill string and...  
WO/2015/099903A1
An underreamer for increasing the diameter of a bore. The underreamer includes a substantially cylindrical body. A mandrel may extend axially through the body. One or more cutter blocks are movably coupled to the body. A ratio of a heigh...  
WO/2015/099800A1
A method of amplifying a data-encoded acoustic signal in an oil or gas well system comprising: performing at least a first transmission of the data-encoded acoustic signal from a transmitter towards a receiver, wherein at least some of t...  
WO/2015/099655A1
A method of operating a drill string comprises independently modifying a rotary speed of a downhole portion of the drill string relative to other downhole portions of the drill string, each of the portions comprising a plurality of drill...  
WO/2015/099652A1
A downhole tool having a mechanically adjustable bend angle from the surface and method for actuation of the tool. The tool includes a knuckled joint between upper and lower housing assemblies and tapered setting ring upon which the lowe...  
WO/2015/096894A1
The invention relates to a boring and laying device for trenchless pipe laying, comprising a boring head for loosening the rock, said boring head having a connection for a pilot bore linkage; a pump for suctioning and discharging debris ...  
WO/2014/110523A3
A method of controlling fluid flow between two tubulars (110, 120) includes disposing a sealing member (130) in an annular area between two tubulars; moving the sealing member to a lower position where it is not in contact with one of th...  
WO/2015/094194A1
An optical waveguide pumping method can include pumping a liquid fluid through a conduit, thereby pumping an optical waveguide into the conduit, and operating a fluid recovery device, so that fluid pressure in the conduit is less than a ...  
WO/2015/089937A1
A well-drilling thruster. Same comprises, arranged at the rear extremity part, an electro-hydraulic composite pipe (11), an actuator used for driving the well-drilling thruster forward, and, sequentially fitted and connected, a drive mot...  
WO/2015/052075A4
A driving apparatus (2) for driving pipes (4) into the sea bed is disclosed. The driving apparatus has support arms (20) supporting a drill tower (16) for driving pipes into the sea bed, and a body (6) for supporting a plurality of pipes...  
WO/2015/094202A1
A wellbore ranging system and method utilized between first and second wellbores includes an electromagnetic field sensing instrument disposed in the second wellbore, a conductive casing in the first wellbore, an electric current source ...  
WO/2015/090362A1
The invention relates to an arrangement and method of utilizing rock drilling information in a mine. Drill holes are drilled to a surrounding rock material (20) by means of a first mining vehicle (1). During drilling measuring data is pr...  
WO/2015/089620A1
In an apparatus having a housing, a housing bore, and a shaft rotatably extending through the housing bore, a rotary seal assembly which includes a seal carrier retainer connected with the housing and defining a cavity surrounding the sh...  
WO/2015/088964A1
A method for defining a permissible borehole curvature includes determining curvature characteristics of at least one of a borehole and a downhole assembly in the borehole and calculating an envelope of permissible borehole curvatures fr...  
WO/2015/056218A3
A process for constructing a well (1) for exploiting an oil or gas reservoir, comprising the following operations: (A) drilling a formation submerged by a water head, at least 3, 600 meters deep or more, reaching the formation from the s...  
WO/2015/088469A1
Disclosed are expandable bullnose assemblies. One bullnose assembly includes a body and a bullnose tip arranged at a distal end of the body, a compression ring arranged about an exterior of the body and configured to axially translate wi...  
WO/2015/085359A1
A drill rig is provided, The drill rig includes a frame and a pair of cylinder rods provided laterally spaced relative to each other. The pair of cylinder rods is configured to extend and retract relative to the frame along an axial dire...  
WO/2015/088633A1
This application is directed to a pressure balanced mud motor. The mud motor includes a power section to rotate a passageway housing and propel fluid through a passageway disposed in the passageway housing. The mud motor also includes a ...  

Matches 851 - 900 out of 13,420