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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...
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WO/2015/161209A1 |
Automated control of a drillstring in a borehole, which is not in continuous rotation, the drillstring comprising an angled component (a bent sub or the like) and a downhole means of rotating the bit, such as a motor or turbine, which ro...
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WO/2015/160417A1 |
A riserless subsea drilling system includes a tubular drilling string including a drilling bit; a rotating control device including a seal sealed to the drilling string; and a drilling fluid circuit that circulates drilling fluid from a ...
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WO/2015/160554A1 |
Backward whirling reduction is provided. In one possible implementation a system for reducing backward whirling includes a drill, a bottom hole assembly associated with the drill, and at least one backward whirling disruptor associated w...
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WO/2015/157812A1 |
A method of forming a multi purpose drilling for degassing a coal seam that is to be mined, the method including the steps of drilling a primary borehole from a surface into a zone above the coal seam, such that at least a portion 5 of t...
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WO/2015/157318A1 |
The present disclosure is directed to an apparatus for use with a vibratory tool in a bottom hole assembly to enhance the vibration of the bottom hole assembly. The apparatus includes at least one spring mechanism and a fluid passageway ...
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WO/2015/150291A1 |
A system for cleaning of a drill bit, comprises a vibration generator arranged to generate vibrations in the ultrasonic frequency range in at least parts of the drill bit, and a power source connected to the vibration generator.
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WO/2015/148287A1 |
A technique facilitates the dependable, long-lasting use of a downhole component coupled into a drill string. In some applications, the downhole component comprises a stabilizer having a plurality of blades extending outwardly from a bod...
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WO/2015/145293A1 |
Method of assembly of a string (S) of drilling elements for deepwater drilling. Each drilling element comprises an axial through hole (21), through which drilling mud (M) can at least flow, and two connection portions (23) for connecting...
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WO/2015/148524A1 |
A rotary table has a non-circular drive recess in the central opening which carries an assembly of mounting structures and slip carriers that when joined together fit in the non- circular drive recess. The plurality of slip carriers are ...
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WO/2015/147628A1 |
Disclosed is a directional drilling machine (10) comprising : a machine body (12) having a forward end (13); a directional drilling device (18) mounted on the body (12) and operable to extend a drill rod (38) away from the forward end (1...
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WO/2015/148170A1 |
A towable separator unit (15) for oil wells (11) has a walled enclosure with tanks therein. The tanks, which are an oil-water tank (27), a water tank (29) and an oil tank (31), are separated from one another by interior side walls (39, 4...
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WO/2015/139099A1 |
The invention relates to an adapted drilling equipment platform with a movable mechanism for a hoisting and lowering transport system, and to a system for lifting and lowering the platform over the well head, wherein a mechanism has a ba...
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WO/2015/141944A1 |
The present invention relates to an excavating screw for excavating locations where foundation piles or electric poles and earth wires are to be constructed when constructing foundation piles or the mechanical construction of electrical ...
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WO/2015/126315A9 |
A rock drilling machine (2) which is adapted to intermittently produce shock wave pulses for transfer over a drill string (3) to a rock disintegrating drill bit (6). The rock drilling machine includes: a force setting unit (8) which is a...
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WO/2015/139107A1 |
An apparatus including a housing, a shaft rotatably extending through the housing, and a bearing assembly for supporting the shaft within the housing, wherein the bearing assembly includes a focal bearing assembly for accommodating tilti...
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WO/2015/137934A1 |
A disclosed directional drilling sub includes a housing, a coupling mechanism arranged within the housing, a tilt drive shaft extending within the housing and having a first end coupled to the coupling mechanism and a second end coupled ...
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WO/2015/137947A1 |
A reaming tool includes a tubular body having an axial cavity and a plurality of housings. Each of the housings has an opening through a periphery of the tubular body. A cutter element is positioned in each of the housings, and the cutte...
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WO/2015/138256A1 |
A wellhead hanger assembly is provided. In one embodiment, a system includes a wellhead hanger (22, 32, 44), such as a casing hanger. This system also includes a spacer ring (60) positioned along a neck (50) of the wellhead hanger betwee...
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WO/2015/134689A1 |
An apparatus and method for drilling an underground borehole is presented, wherein pressurized air may be used to discharge out of the borehole cuttings created by a cutter head. A casing may be secured to the cutter head such that the c...
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WO/2015/132204A1 |
A drilling machine (100) comprises: a drilling tool (U), a rotary (R), a main engine (E) that actuates a high-pressure pump (P1), a hydraulic motor (M), with variable cylinder capacity, actuated by the high-pressure pump (P1) and connect...
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WO/2015/126399A1 |
According to aspects of the present disclosure, systems and methods for a closed-loop speed/position control mechanism. An example system may include a housing and a planetary gearbox disposed within the housing, wherein a ring gear of t...
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WO/2015/123140A1 |
A downhole self-isolating wellbore drilling system to pulverize formation cuttings which includes a cutting grinder tool (102) and an isolation tool (110). The cutting grinder tool (102) can be attached to a drill string (104) uphole rel...
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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...
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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...
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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...
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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...
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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 ...
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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.
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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 ...
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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 angle ...
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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.
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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