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WO/2009/149469A1 |
A self-adjusting spinner is provided that is capable of accommodating various pipe sizes without requiring the need for an operator to climb up the support mechanism and manually change the position of the drive assembly. The self-adjust...
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WO/2009/142666A1 |
Pneumatic drifters containing a drifter cylinder with removable feet and associated methods for using the pneumatic drifters are described. The removable feet are connected to feet pad of a drifter cylinder with multiple fasteners. The m...
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WO/2009/128807A1 |
An upper stripper rubber canister apparatus has a canister body and a canister body lid. An upper end portion of the canister body includes a breech lock structure exposed within the canister body central passage. A lower end portion of ...
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WO/2009/123462A1 |
A measuring sensor unit (1) comprising a first end portion (111) arranged to be in releasable engagement with a drive shaft (151) of a top drive drilling machine (15) and also a second end portion (112) being arranged to be in releasable...
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WO/2009/098482A1 |
A hydraulic connector (10) to direct fluids between a lifting assembly (2) and a bore of a downhole tubular (4) includes an engagement assembly configured to selectively extend and retract a seal assembly (60) disposed at a distal end of...
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WO/2009/098478A2 |
A method to connect a lifting assembly to a bore of a downhole tubular includes providing a communication tool (10) to a distal end of the lifting assembly, the communication tool comprising a body assembly (15), an engagement assembly (...
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WO/2009/098474A1 |
A tool (10) to direct a fluids from a lifting assembly (12) and a bore of a downhole tubular includes an engagement assembly (20) configured to selectively extend and retract a seal assembly (60) disposed at a distal end of the tool into...
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WO/2009/098473A2 |
A hydraulic connector (10) to provide a fluid tight connection between a fluid supply and a downhole tubular includes an engagement assembly (30) configured to extend and retract a seal assembly (60) disposed at a distal end of the hydra...
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WO/2009/090421A2 |
A method for drilling an auxiliary hole, such as a conductor hole, a mousehole or a rathole, useful in wellbore drilling operations, the method comprising the steps of installing an auger drive unit (10) on a drill floor (8) of a drillin...
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WO/2009/076648A2 |
In one, embodiment, a top drive system (200) includes a quill (214); a motor (201) operable to rotate the quill; a gripper (275) operable to engage a joint of casing; a connector (300) bi-directionally rotationally coupled to the quill a...
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WO/2009/075683A1 |
An improved pneumatic tool design includes pneumatic motor chamber that houses a turbine. An air path directs compressed air into the pneumatic motor chamber. The air path includes an air inlet chamber that at least partially surrounds t...
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WO/2009/051620A1 |
A stripper rubber insert comprises a central bore and a plurality of retention member bores substantially perpendicular to the central bore. The retention member bores are angularly spaced apart around a perimeter of the stripper rubber ...
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WO/2009/029148A1 |
A well drilling head comprises a housing and a bearing assembly. The housing has a sidewall structure defining a central bore. The bearing assembly includes an outer barrel, an inner barrel, bearing units and a preload force exerting mem...
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WO/2009/029147A1 |
A top drive apparatus for a well drilling head comprises a top drive structure, a seal body and a plurality of resilient members. The top drive structure is configured for being fixedly attached to an upper end portion of a bearing assem...
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WO/2009/029149A1 |
A well drilling head comprises a housing and a bearing assembly. The housing has a sidewall structure defining a central bore. A tapered bearing assembly seating surface is provided within the central bore of the housing. The bearing ass...
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WO/2009/017290A1 |
The present invention discloses a method for constructing an arch-type utility pole underbracing using extendable excavating unit for auger crane. The present invention provides a method for constructing an arch-type utility pole underbr...
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WO/2009/001134A2 |
A bail for suspending a top drive, characterised in that the bail comprises a first upper leg portion (16) extending down from a head portion (14) and a second upper leg portion (16a) extending down from the head portion (14), a first lo...
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WO/2008/147210A2 |
A device for a top drive drilling machine, in which a drive shaft (14), which is arranged for releasable connection to a drive (12) and to a first end portion (51) of a drill pipe (5), is provided with a centre bore (141) extending there...
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WO/2008/144329A1 |
A planetary gear set centering ring for use is a planetary gear train. The planetary gear centering ring is adapted to be positioned within a gear train to center a planetary gear carrier and a set of planetary gears within a ring gear o...
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WO/2008/138226A1 |
A screw energy converter has a stator (300) and a rotor. Said stator (300) includes a housing (303) and a elastic stator core (308) made of soft and elastic material. The outer wall of the stator core (308) has a shape of cylinder that m...
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WO/2008/125942A1 |
Soil milling machine comprising a milling cutter (61) driven by a motor associated to which there is a protection casing (63). Such milling cutter has its rotation axis (62) skew with respect to the soil surface. Provided on such casing ...
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WO/2008/122086A1 |
The invention provides an extendable member for use in construction, the extendable member comprising: a first elongate member; a second elongate member, wherein the second elongate member is movably engaged with the first elongate membe...
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WO2008044158B1 |
Delayed breakers are given that break viscoelastic surfactant fluids inside the pores of formations into which the fluids have been injected. The breakers comprise proteins, proteins that contain breakers, or cells that contain breakers....
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WO/2008/117083A1 |
A method and apparatus for clamping together a rotor of a top drive (TS) and an item threaded thereto to inhibit relative rotation between the two tubulars, the method comprising the steps of clamping the rotor to the item 5 (108) with a...
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WO2008028075B1 |
In general, the invention relates to a method for managing a drilling operation in a multicomponent particulate system. The method includes obtaining a plurality of geophysical and petrophysical data associated with the multicomponent pa...
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WO/2008/108779A2 |
A mining machine that includes a rotor assembly disposed on a mobile frame. A cutter drum assembly includes an intermediate drum section and a pair of end drum sections. The end drum sections are drivingly connected by the intermediate d...
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WO/2008/107717A1 |
A top drive apparatus for wellbore operations, the top drive apparatus comprising a rotor (270) and a stator (260) and seal assembly (250) for sealing therebetween characterised in that said sealing assembly (294) 5 comprises a platform ...
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WO/2008/102175A1 |
A method and apparatus for tra nsf erring fluid from a rotor (140) of a top drive apparatus to a non-rotating conduit, (101, 102) such as a gooseneck, the rotor (140) rotating at a working speed, characterised in that a seal (109) is arr...
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WO/2008/102166A1 |
A system for controlling power load on a rig engine of a wellbore rig, the system comprising: a controller for controlling said rig engine; and a sensor for sensing an exhaust temperature of said rig engine, the sensor in communic ation ...
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WO2007092375B1 |
A power tool including a motor, an output member and a transmission disposed between the motor and the output member. The transmission includes a ring gear with opposite axial end faces. The power tool also includes a clutch for limiting...
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WO/2008/094944A1 |
The invention relates to a method of performing a drilling operation for an oilfield, which has a subterranean formation with geological structures and reservoirs. The method includes collecting oilfield data, at least a portion of the o...
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WO/2008/086693A1 |
A piling machine with high-pressure jet spiral bit and its piling method. It includes a moving system (3), an underpan (2), a pile frame (1), a power system (4), a drill pipe (5), a drill bit (8) and a high-pressure concrete casting syst...
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WO/2008/073612A2 |
Techniques relating to an oilfield application for performing at least one oilfield operation are provided. The oilfield application is provided with a plurality of oilfield application modules, an application shell for defining an oilfi...
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WO2007081797B1 |
The present invention provides for a rotary fluid-sealing structure (10) for a harsh environment which reduces the PV pressure (x velocity) that a sealing system may be 5 exposed through the use of a rotary speed reducing planetary gear ...
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WO/2008/050150A1 |
A top drive apparatus for drilling a bore hole, the top drive apparatus comprising a main body (17), a motor apparatus (14), a main shaft (110) and a member (24,26) depending from the main shaft (110) characterised in that said main shaf...
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WO/2008/048163A1 |
A method for handling a blow-out-preventer (356) on a drilling platform (300) and a drilling platform having a lower pontoon structure (310a, 310b, 310c, 310d); a plurality of columns (320a, 320b, 320c, 320d) extending upwards from the l...
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WO/2008/033411A1 |
A fault tolerant pin for pinning one component to another. The pin is formed of first (12) and second (14) portions assembled end-to-end to each other to form an elongated member, or safety pin. First (16) and second (18) bores extend pa...
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WO/2008/026974A1 |
The present invention is related to a drilling-machine for making holes in building structures or the like, said drilling machine comprising a frame (2) having a column (3) which is adjustable in different directions in respect to a subs...
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WO2007120059B1 |
Cutting drilling or grinding apparatus (1) has a body (3) rotatable about a first axis of rotation (4) and a cutting member (5) to cut, grind or abrade a material to be removed by the apparatus. The cutting member (5) is rotatably mounte...
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WO/2007/144953A1 |
A device and a method for digging long cave and pit in which a rod having a digging bit can be completely prevented from being damaged due to the collapse of a rock core and the normal operations of the rod and the digging bit can be sec...
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WO/2007/129120A1 |
A method of oscillating a drill string (135) , which method comprises the steps of : (a) rotating said drill string (135) in a first direction until a first limit is reached; and (b) rotating said drill string (135) in a second direction...
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WO/2007/125358A1 |
A top drive apparatus for wellbore operations, the top drive apparatus comprising a main body (24a), a motor apparatus, a rotatable member (18) and a gear system driven by the motor apparatus for rotating the rotatable member, a sealing ...
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WO/2007/125357A1 |
A top drive apparatus for wellbore operations, the top drive apparatus comprising a main body (130), a main shaft (160) having a flow bore (163) therethrough for the passage of drilling fluid, a quill (190) surrounding at least part of t...
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WO/2007/093787A1 |
The invention relates to a rig assembly for use in the oil and gas exploration and production industry. In an embodiment of the invention, a rig assembly (12) for a drill ship (10) is disclosed. The rig assembly (12) comprises a rig floo...
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WO/2007/068103A1 |
According to one aspect of the invention there is provided a vibratory apparatus. The vibratory apparatus is comprised of a housing, an eccentric mass, a crankshift, a first member, a second member and an operating mechanism for rotating...
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WO/2007/064232A1 |
A well drilling apparatus (10) (top drive) designed to be suspended from a travelling block (6) in a drawworks and laterally supported by a dolly (9) running together with the well drilling apparatus along tracks or rails fixed to a derr...
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WO/2007/064231A1 |
A well drilling apparatus (10') (top drive) designed to be suspended from a travelling block (6') in a drawworks and laterally supported by a dolly (9') running together with the well drilling apparatus along tracks or rails fixed to a d...
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WO/2007/044714A1 |
A down hole tool including a compression surface, a compression surface axis, and at least one extendable support member configured to attach the compression surface to a well drilling tool assembly, wherein the extendable support member...
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WO/2007/028238A1 |
A method for fracturing a solid material is disclosed. The method comprises boring at least one bore hole in the solid material, the bore hole having a bottom and an open top. Reactive materials capable of an exothermic reaction to produ...
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WO/2007/024128A1 |
A downhole tubular gripping and suspending apparatus adapted for gripping a downhole tubular and suspending said downhole tubular from said apparatus. The apparatus has a housing (2) and a bottom opening (6) for introducing said top end ...
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