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WO/2011/149197 |
The present invention relates to a hammer coupled to the bottom end of a connecting rod assembled to an excavator, and particularly, to a variably expandable hammer comprising: a hammer main body (100) including a rod connecting adapter ...
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WO/2011/149779 |
A system and method for optimizing sweep efficiency of an enhanced oil recovery process in a subterranean reservoir is disclosed. The system and method include computing a displacement coefficient representative of heterogeneity of an un...
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WO/2011/149633 |
The present invention is directed to a method and system for treating a well having a wellbore extending from a ground surface or subsea surface downhole to an oil producing formation. Oil producing formations are capable of generating f...
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WO/2011/150213 |
Embodiments disclosed herein relate to a method and a system to deploy a downhole pump within a well. The system includes the downhole pump disposed in a well, the downhole pump having a motor, and a cable having at least one strength me...
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WO/2011/150060 |
Compositions and methods for oil recovery using a surfactant-less alkaline-polymer system in hard water or hard brine is described in the instant invention. The formulation further includes a chelating agent, an alkaline agent (which can...
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WO/2011/149192 |
The present invention relates to a muck car on which a tube gasket using pneumatic pressure is installed, and particularly, to an excavated-soil transport muck car used to transport soil excavated at an excavation site to an excavated-so...
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WO/2011/147021 |
Expandable polymer bladder apparatus embodiments with flow control mechanism for initially reducing and regaining control of the flow and subsequently in stopping or regulating and controlling the flow of fluids from a ruptured pipeline ...
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WO/2011/149806 |
A method for removing a fluid influx from a subsea wellbore drilled using a pump to return fluid from the wellbore to the surface. The method includes detecting the influx when a rate of the return pump increases. Flow from the wellbore ...
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WO/2011/148192 |
The invention relates to techniques for severing a tubular. A blowout preventer is provided with a housing having a bore therethrough for receiving the tubular, an actuator positionable in the housing, and a plurality of cutting tools po...
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WO/2011/146988 |
A down hole surveying tool (10) for directional surveying of boreholes. The tool (10) comprises a body (11) which accommodates a sensor device (17). The sensor device (17) is supported in a rotary mount (31) for rotation about an indexin...
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WO/2011/149420 |
The invention concerns a rock bolt intended to be inserted and fixed in a drill hole (2) by being embedded in grout (4), and comprising an anchor rod (5) formed as an extended cylindrical solid part of ribbed steel type with radially pro...
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WO/2011/146983 |
A tool for use in initiating a hydraulic fracture in a bore hole comprises an elongate cylindrical bore hole packer structure (11) having an inner longitudinal passage 5 (12), a mid-portion (13) provided with ports (14) extending outward...
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WO/2011/148285 |
A system and method for efficiently and effectively removing water from mine areas is presented. In one embodiment, one or more directionally drilled dewatering wells are drilled into the geologic formation such that at least a portion o...
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WO/2011/148053 |
The invention relates to method for positioning a rock drilling rig and to a rock drilling rig. The rock drilling rig (1) is moved using combustion-engine-free drive equipment (16) with an electric drive motor (M). The torque is transmit...
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WO/2011/148051 |
The invention relates to a rock drilling rig and a method for downhill driving of a rock drilling rig. The rock drilling rig (1 ) comprises electric drive equipment (16), the drive motor (M) of which serves as a primary brake in long-ter...
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WO/2011/149742 |
A method for drilling a wellbore proximate a salt structure includes measuring formation resistivity azimuthally. A map of spatial distribution of resistivity is determined from the azimuthal resistivity measurements. A distance from the...
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WO/2011/148191 |
A method for severing a tubular of a wellbore is provided. The method involves positioning a blowout preventer about a tubular, the blowout preventer having a plurality of rams slidably positionable therein and a plurality of blades carr...
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WO/2011/149406 |
The invention relates to a rock drilling machine comprising a front part (1a), a removable cartridge (5) arranged in the front part (1a), a shank adapter (3) and a stop ring (4) for the shank adapter (3). According to the invention, the ...
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WO/2011/150251 |
Autonomous units and methods for downhole, multi-zone perforation and fracture stimulation for hydrocarbon production. The autonomous unit may be a perforating gun assembly, a bridge plug assembly, or fracturing plug assembly. The autono...
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WO/2011/150363 |
Methods and apparatus for installing deepwater completions and performing well intervention from a "non-dedicated" vessel that can perform other duties while not running completions or performing interventions. The system for installing ...
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WO/2011/147189 |
A kind of thread connection structure for a steel tube is provided. Said structure includes a steel tube factory end (1), a steel tube scene end (2) and a connecting hoop (3). The ends of the steel tube factory end (1) and the steel tube...
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WO/2011/150060 |
Compositions and methods for oil recovery using a surfactant-less alkaline-polymer system in hard water or hard brine is described in the instant invention. The formulation further includes a chelating agent, an alkaline agent (which can...
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WO/2011/150213 |
Embodiments disclosed herein relate to a method and a system to deploy a downhole pump within a well. The system includes the downhole pump disposed in a well, the downhole pump having a motor, and a cable having at least one strength me...
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WO/2011/150378 |
The present invention is directed to methods and apparatus to construct subsea wells with redundant parallel fluid flow control systems to allow new methods to stop subsea blow outs. More specifically, this invention provides methods and...
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WO/2011/150223 |
Method and apparatus are provided for cementing wells and preventing fluid entry into the wellbore before the cement cures and increasing radial stress in the cured cement. Impacts or vibrations are applied to the casing during the time ...
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WO/2011/149904 |
An auto-fill type float collar assembly (100) has at least one curved composite flapper-style valve assembly (40). Each valve assembly includes a flapper (140) that has a substantially 90 range of motion, and is closed via a torsion spri...
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WO/2011/148288 |
A technique enables extending the useful life of tubing deployed in a wellbore. The technique involves routing a damaged or distorted tubing through a straightening device. The tubing straightening device bends and counter bends the tubi...
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WO/2011/146987 |
A down hole surveying tool (10) for directional surveying of boreholes. The tool (10) comprises a body (11) which accommodates a sensor device (17). The sensor device (17) is supported in a rotary mount (31) for rotation about an indexin...
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WO/2011/148190 |
Techniques for severing a tubular of a wellbore penetrating a subterranean formation are provided. A blade is extendable by a ram of a blowout preventer positionable about the tubular. The blade includes a blade body having a front face ...
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WO/2011/146990 |
A down hole surveying tool (10) for directional surveying of boreholes. The tool (10) comprises a body (11) which accommodates a composite sensor device (17). The sensor device (17) is supported for rotation about an indexing axis (4) in...
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WO/2011/148184 |
A method of installing a well intervention component (54) for well intervention, comprising lowering the component towards an intervention riser or a surface flow head (200), and connecting the component to the intervention riser or surf...
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WO/2011/148192 |
The invention relates to techniques for severing a tubular. A blowout preventer is provided with a housing (12) having a bore (32) therethrough for receiving the tubular, an actuator (152) positionable in the housing, and a plurality of ...
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WO/2011/149633 |
The present invention is directed to a method and system for treating a well having a wellbore extending from a ground surface or subsea surface downhole to an oil producing formation. Oil producing formations are capable of generating f...
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WO/2011/150363 |
Methods and apparatus for installing deepwater completions and performing well intervention from a "non-dedicated" vessel that can perform other duties while not running completions or performing interventions. The system for installing ...
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WO/2011/149479 |
This invention relates to drilling a well, particularly an oil or gas well, to permit longer periods of drilling and longer lengths of casing or liner to be installed at one time. The present invention includes a combination of a smear t...
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WO/2011/146955 |
In a drill bit (1), in particular a percussion drill bit or rotary percussion drill bit, the face (3) of which has detachment tools (5) or drill pins made of hard material for detaching and/or comminuting material to be removed, the deta...
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WO/2011/148191 |
A method for severing a tubular of a wellbore is provided. The method involves positioning a blowout preventer (108) about a tubular (118), the blowout preventer having a plurality of rams (24) slidably positionable therein and a plurali...
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WO/2011/148285 |
A system and method for efficiently and effectively removing water from mine areas is presented. In one embodiment, one or more directionally drilled dewatering wells are drilled into the geologic formation such that at least a portion o...
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WO/2011/146923 |
A method for determining flow distribution in a formation having a wellbore formed therein includes the steps of positioning a sensor within the wellbore, wherein the sensor generates a feedback signal representing at least one of a temp...
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WO/2011/146760 |
Methods of forming at least a portion of an earth-boring tool include providing at least one insert in a mold cavity, providing particulate matter in the mold cavity, melting a metal and the hard material to form a molten composition, an...
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WO/2011/144807 |
This invention relates to a drilling device for earth drilling, which comprises a casing part (2) to be placed in a hole to be drilled and a drilling unit (3) in connection with the above during a drilling situation, whereby at a drillin...
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WO/2011/146760 |
Methods of forming at least a portion of an earth-boring tool include providing at least one insert in a mold cavity, providing particulate matter in the mold cavity, melting a metal and the hard material to form a molten composition, an...
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WO/2011/146185 |
In hydrocarbon recovery applications, viscoelastic surfactant (VES) gelled fluids may be preheated to a temperature that will increase viscosity of the VES gelled fluid. The preheated VES gelled fluid retains at least a portion of its pr...
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WO/2011/145965 |
A proppant pack may be formed in a fracture that extends from a wellbore formed in a subterranean formation is accompl ished through di fferent methods. The methods involve prov iding mu ltiple spaced apart proppant slugs with in a hydra...
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WO/2011/146249 |
Example downhole marking apparatus and methods to use the same are disclosed. A disclosed example apparatus includes a coring tool assembly for use in extracting a core sample from a subterranean formation adjacent a borehole; a sample c...
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WO/2011/143746 |
A mud pump is provided that includes a pump shaft having substantially circular eccentric lobes. Each lobe is rotatably mounted in a connecting rod that, in turn, moves a slide in a horizontal and linearly manner. A piston rod is operati...
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WO/2011/143781 |
A pipe sealing apparatus comprises at least one pinching mechanism for reducing the diameter of the pipe at a discrete location in order to reduce to stop flow of fluid there- through. Clamping flow diverting apparatuses are also provide...
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WO/2011/143776 |
A vertical separator has a bowl which is supported for rotation about a vertical axis and from beneath, providing an unobstructed inlet to the bowl. Conveyor flighting, located concentrically for independent co-rotation within the bowl, ...
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WO/2011/145396 |
Provided is a tunneling machine which is used to lay a propulsion pipe underground. This tunneling machine is such that a front body comprises a speed reducer with a motor integrated together, and that the main body comprises a direction...
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WO/2011/146827 |
A method of recovering petroleum from dormant oil wells or increasing the production of oil wells is disclosed. An alkali or alkali earth carbonate is introduced into a water layer associated with a subterranean petroleum reservoir and/o...
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