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WO/2012/131146 |
The main idea of the invention is to recover drilling fluid used in sample drilling at a drilling machine, when the drilling fluid exits the drill hole, and to transport it to a separate cleaning unit (501). In the cleaning unit solid ma...
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WO/2012/135803 |
A method for estimating at least one formation parameter from a directional resistivity measurement includes computing a plurality of hypothetical directional resistivity values at a corresponding plurality of formation parameter values....
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WO/2012/135497 |
A cutting element that includes a polycrystalline diamond layer having a cutting face and a diamond layer side surface, a substrate attached to the polycrystalline diamond layer, the substrate having a bottom surface and a substrate side...
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WO/2012/135587 |
Systems and methods for preventing particles from flowing into a base pipe are provided. A base pipe can have a plurality of perforations formed radially therethrough. A filtering strip can be wrapped helically around an outer surface of...
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WO/2012/135101 |
The perforating gun and methods of arming a perforating gun facilitates electrically connecting an arming device carrying the detonator to the loading tube carrying the explosive charges prior to ballistically connecting the arming devic...
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WO/2012/129662 |
An overshot (10, 100, 200) for handling equipment (12) defining a spearhead point (14). The overshot (10, 100, 200) includes: a substantially elongated overshot body (16); a pair of lifting dogs (18) pivotally mounted to the overshot bod...
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WO/2012/130943 |
The present invention relates to a downhole tool extending in a longitudinal direction, comprising a tool housing; an arm assembly movable between a retracted position and a projecting position in relation to the tool housing; an arm act...
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WO/2012/135555 |
Presented herein is a system, method, and assembly for reducing pressure fluctuations in an oilfield pumping system. The pressure fluctuation dampening assembly includes a junction, a dampening chamber, and a supply of a compressible med...
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WO/2012/134497 |
Methods for accurately assessing the condition of a petroleum reservoir and designing and implementing a plan of action to increase production and recovery of petroleum from the reservoir. Information is gathered using a unique set of me...
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WO/2012/129593 |
A double-headed rock cutter comprises two cutting heads mounted on either side of a stem, wherein each of the cutting heads has its own output shaft to drive it in rotation. The stem houses a single input shaft that, in use, receives pow...
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WO/2012/134656 |
A gas analyzer system that can detect atmospheric air gasses in drilling mud is used to calculate an actual lag time in a well. The calculated lag time and a theoretical lag time may be compared to estimate a caving percentage in an open...
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WO/2012/135101 |
The perforating gun and methods of arming a perforating gun facilitates electrically connecting an arming device carrying the detonator to the loading tube carrying the explosive charges prior to ballistically connecting the arming devic...
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WO/2012/135587 |
Systems and methods for preventing particles from flowing into a base pipe are provided. A base pipe can have a plurality of perforations formed radially therethrough. A filtering strip can be wrapped helically around an outer surface of...
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WO/2012/135606 |
Disclosed is an apparatus for estimating a property of an earth formation penetrated by a borehole. The apparatus includes a carrier configured to be conveyed through the borehole and having a first transmitter electrode configured to in...
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WO/2012/135383 |
The system includes a containment housing with an open bottom which is configured to fit over an undersea oil well pipe which is spilling oil, the housing being lockable to a platform or ring surrounding the oil well pipe or positionable...
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WO/2012/135306 |
Provided are coated oil and gas well production devices and methods of making and using such coated devices. In one form, the coated device includes one or more cylindrical bodies, hardbanding on at least a portion of the exposed outer s...
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WO/2012/135604 |
Disclosed is an apparatus for estimating a property of an earth formation penetrated by a borehole. The apparatus includes a plurality of electrodes disposed downhole and configured to inject an electrical current into the earth formatio...
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WO/2012/135803 |
A method for estimating at least one formation parameter from a directional resistivity measurement includes computing a plurality of hypothetical directional resistivity values at a corresponding plurality of formation parameter values....
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WO/2012/130937 |
The present invention relates to a downhole driving unit (11) for insertion into a well, comprising a driving unit housing (51), a hydraulic motor (23) comprising a hydraulic motor housing (93), a wheel assembly (90) comprising a station...
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WO/2012/135292 |
In aspects, the present disclosure provides a method of performing a wellbore operation, which in one embodiment includes supplying a mixture containing a fluid and shape memory particles of a first size into a selected region in the wel...
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WO/2012/135606 |
Disclosed is an apparatus for estimating a property of an earth formation penetrated by a borehole. The apparatus includes a carrier configured to be conveyed through the borehole and having a first transmitter electrode configured to in...
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WO/2012/135063 |
An assembly for replacing the top sigma sections in a tail drive of an armored face conveyor is described. The assembly joins the sigmas to the top deck in a single unit, providing more robust mounting support. The assembly may also incl...
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WO/2012/135219 |
In one embodiment, a valve comprising a valve body; an orifice disposed within the valve body; a fluid flow restraining member located at a first location of the orifice, the fluid flow restraining member pivotable between a closed posit...
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WO/2012/135607 |
Disclosed is an apparatus for estimating a property of an earth formation penetrated by a borehole containing an oil-based drilling fluid. The apparatus includes an electrode disposed at a carrier and configured to inject alternating cur...
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WO/2012/130315 |
The present invention relates to a marine riser isolation tool in particular to an autonomous marine riser isolation tool having a robotic plug installation device that is adapted for positioning a pipeline isolation plug in a vertical p...
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WO/2012/135555 |
Presented herein is a system, method, and assembly for reducing pressure fluctuations in an oilfield pumping system. The pressure fluctuation dampening assembly includes a junction, a dampening chamber, and a supply of a compressible med...
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WO/2012/130944 |
The present invention relates to a downhole tool, comprising a hydraulic assembly, an arm assembly, the arm assembly comprising a wheel, a hydraulic motor for rotating the wheel, thereby driving the downhole tool in a forward direction, ...
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WO/2012/135219 |
In one embodiment, a valve comprising a valve body; an orifice disposed within the valve body; a fluid flow restraining member located at a first location of the orifice, the fluid flow restraining member pivotable between a closed posit...
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WO/2012/135292 |
In aspects, the present disclosure provides a method of performing a wellbore operation, which in one embodiment includes supplying a mixture containing a fluid and shape memory particles of a first size into a selected region in the wel...
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WO/2012/135466 |
The method comprises deploying through a well a substantially longitudinal body comprising at least in part a degradable material able to release a chemical; positioning the longitudinal body at a downhole location from the well; and all...
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WO/2012/130144 |
A hydraulically-controlled multi-switch valve comprises an upper central pipe (1) and a lower central pipe (2) which are coaxially connected together. A piston sliding sleeve (3) is matchingly sleeved on the outside of the pipes, and a l...
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WO/2012/130946 |
The present invention relates to a downhole driving unit (11) for insertion into a well, comprising a driving unit housing (51), a hydraulic motor comprising a hydraulic motor housing (93), the hydraulic motor comprising a cam ring (24),...
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WO/2012/135756 |
Microbial biomass from oleaginous microbes provides a cost-efficient, biodegradable additive for use in well-related fluids. The biomass is useful as a fluid loss control agent, viscosity modifier, emulsifier, lubricant, or density modif...
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WO/2012/135847 |
The use of coal fields as subsurface bioreactors for producing sustainable methane gas from terrestrial sources of biomass (52) is described. Microbial presence is determined for a target coal formation, and tracers are injected to deter...
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WO/2012/130942 |
The present invention relates to a downhole tool extending in a longitudinal direction, comprising a tool housing; an arm assembly movable between a retracted position and a projecting position in relation to the tool housing; an arm act...
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WO/2012/131601 |
A wireless modem for communication in a network of wireless modems via a communication channel includes a transceiver assembly, transceiver electronics and a power supply. The transceiver electronics include transmitter electronics, rece...
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WO/2012/134705 |
A liner assembly includes a drill string to drill a borehole in a formation. The liner assembly further includes a liner assembly releasably coupled to the drill string to move with the drill string in the borehole while the drill string...
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WO/2012/134327 |
The invention relates to the oil and gas extracting industry and can be used for the extraction of product, in particular oil, from a well, in the event of complications associated with an increased gas factor - a high content of casing-...
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WO/2012/130870 |
A pick assembly (100) comprising a pick tool (200), a pick holder (300) and a rotatable drive means (400); in which the pick holder is attached to the rotatable drive means and the pick tool comprises a base (220) and a strike element (2...
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WO/2012/135756 |
Microbial biomass from oleaginous microbes provides a cost-efficient, biodegradable additive for use in well-related fluids. The biomass is useful as a fluid loss control agent, viscosity modifier, emulsifier, lubricant, or density modif...
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WO/2012/135607 |
Disclosed is an apparatus for estimating a property of an earth formation penetrated by a borehole containing an oil-based drilling fluid. The apparatus includes an electrode disposed at a carrier and configured to inject alternating cur...
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WO/2012/130940 |
The present invention relates to a downhole tool comprising a tool housing for accommodating components of the downhole tool, the tool housing comprising; a first tool housing part having a first end face and a second end face, and an ac...
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WO/2012/134639 |
A submersible pumping system for use downhole, wherein the system includes a pump, a pump motor, a seal section, a shaft coupling the pump motor to the pump, and bearing assemblies for radially retaining the shaft in place that are offse...
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WO/2012/130939 |
The present invention relates to a downhole tool extending in a longitudinal direction, comprising a tool housing; an arm assembly pivotally mounted about a pivot point fixed in relation to the tool housing and movable between a retracte...
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WO/2012/135419 |
Disintegrative particles are designed to be blended with and pumped with typical proppant materials, e.g. sand, ceramics, bauxite, etc, into the fractures of a subterranean formation. With time and/or change in wellbore or environmental ...
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WO/2012/134514 |
According to an embodiment, a method of controlling a blowout comprises: releasing at least a first tubing string into a portion of a well system, wherein the step of releasing comprises activating a release table; and causing or allowin...
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WO/2012/134908 |
A system can include multiple explosive assemblies, each assembly comprising an outer housing, an explosive component rotatable relative to the housing, and a selective firing module which causes detonation of the component in response t...
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WO/2012/135063 |
An assembly for replacing the top sigma sections in a tail drive of an armored face conveyor is described. The assembly joins the sigmas to the top deck in a single unit, providing more robust mounting support. The assembly may also incl...
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WO/2012/129685 |
High permeability channels or wormholes found in hydrocarbon reservoirs having hydrocarbon-bearing formations can be remediated by heating the formation with dry, hot flue gases, injecting produced water into the formation through an inj...
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WO/2012/135476 |
The current application discloses a method of treating a portion of a subterranean formation comprises providing a treatment fluid comprising a carrier fluid, a non-hydrolyzed polyacrylamide or a nonhydrolyzed non ionic copolymer of acry...
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