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WO/2015/142184A1 |
A collecting device (1) for loosening and collecting particulate material from a well, the collecting device (1) including : - a first end portion and a second end portion; - a feed pipe (6) in the first end portion; - a collecting conta...
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WO/2015/082926A1 |
Apparatus for a well bore tubular has a body (10) with an axial bore (106) and a cleaning device (3) on the outer surface comprising an elongate strip (38) having a head (38h) retained in a slot (37). The slot is formed on the cleaning d...
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WO/2015/030596A1 |
A petroleum well tracer release flow shunt chamber (1) in an annulus space (20) about a base pipe (10) and method of estimating one or more pressure differences or gradients, wherein the flow shunt chamber (1) extending generally axial-p...
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WO/2014/205601A9 |
Disclosed is a rotary excavating bucket drill, comprising a power means box upper platform (1), a power means box (2) and a power means box lower platform (3), wherein a telescopic lifting frame (19) is mounted on the power means box upp...
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WO/2015/020637A1 |
Methods are disclosed for providing zonal isolation of subterranian formations. One embodiment may include mixing a dry blended material with water at a central location to create a suspension, transferring the suspension to one or more ...
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WO/2015/010813A1 |
Well tool (1) comprising a plugging device (20) comprising an inner mandrel (21), an anchoring device (22) and a sealing device (23). The tool also comprises a junk catching device (30) comprising an outer housing (31), a bore (32) provi...
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WO/2014/175872A1 |
A dump bailer assembly includes a downhole power unit and a dump bailer body. A piston is disposed within the dump bailer body and is releasably coupled to a moveable shaft of the downhole power unit. An actuation assembly is disposed pr...
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WO/2014/175750A1 |
A junk catcher (2, 2') where the junk catcher (2, 2') is releasable connected to a retrievable bridge plug (4, 4'), the retrievable bridge plug (4, 4') being connectable to a setting tool (6) for the joint deployment of the bridge plug (...
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WO/2014/109643A1 |
The invention is a petroleum well drill- or coiled tubing string (1, lb) mounted fishing tool, comprising a main body (2) comprising a lower housing (2a) with a magnet (3) having at least one magnet surface (3f) facing downwards in said ...
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WO/2014/084807A1 |
A wellbore bailer includes a bailer body that includes a top end, a tubular portion, and a nose, the tubular portion adapted to at least partially enclose a wellbore fluid and the nose including an outlet; a piston arranged in the tubula...
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WO/2014/051588A1 |
A wellbore bailer has a rotary motor coupling, a cylinder having an open end, and a pump in the cylinder coupled to the rotary motor coupling and configured to pump fluid when rotated via the coupling. A closure of the bailer is changeab...
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WO/2014/042844A1 |
An apparatus for building, transporting, storing, and deploying viscous fluids, comprising: a cylinder comprising a full bore opening and a discharge outlet; a plunger assembly mounted within the cylinder; and a shredder screen mounted w...
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WO/2014/031006A1 |
A movable collecting device (1) for downhole separation and removal of particulate matter (8) from a petroleum well, the collecting device (1) having a first end portion (11) and a second end portion (12), an exterior and an interior; th...
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WO/2013/180574A1 |
A tracer device (26) for processing fluid (28) is described, the processing fluid being injected into a structure (11, 24) which encloses a borehole (21) in a bedrock (1) or a casing (23) arranged in the borehole (21), wherein a portion ...
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WO/2013/105865A1 |
A method for removal of a hydrate plug (7) in a tube (92) in connection with a petroleum well (9) is described, the method comprising: - to provide a hydrate plug remover (2), where the hydrate plug remover (2) comprises a collecting con...
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WO/2013/101695A2 |
A sampling tool to sample core samples from a wellbore is disclosed. A core sampling storage module includes a pressure housing to store a plurality of core samples, a core tube within the pressure housing, the core tube to store a plura...
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WO/2013/079572A1 |
The present invention relates to a cleaning tool for cleaning and treating an inner surface of a downhole casing. The cleaning tool comprises a tool housing, a mechanical cleaning tool section comprising mechanical cleaning elements for ...
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WO/2013/073948A1 |
The present invention relates to an apparatus (200) and a method for collecting debris (111) in a wellbore, the apparatus comprising : - a housing (201, 202, 203) for receiving debris (111), the housing (201, 202, 203) being defined by a...
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WO/2012/149345A9 |
A method transferring drill cuttings, the method comprising transferring the drill cuttings from a pressurized transference device to a pressurized container; transferring the drill cuttings from the pressurized container to a land-based...
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WO/2012/178041A2 |
A downhole assembly, including a line operatively arranged to carry a first fluid, and a trap arranged in fluid communication with the line, the trap operatively arranged to enable the first fluid to flow in a first direction, while capt...
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WO/2012/148578A2 |
A subterranean debris catcher takes in debris laden fluid at a lower end. The inlet flow is induced with an eductor whose discharge goes around the housing to the lower end inlet for the debris. The eductor suction induces flow into the ...
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WO/2012/135466A2 |
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/2012/118384A1 |
An apparatus for supplying a treatment fluid to a well portion (21) is described, wherein a container (12) is provided with a fluid chamber (124) which is in closable fluid communication with at least one first outlet (123), the fluid ch...
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WO/2012/102694A1 |
Disclosed is a downhole knock-out tool (900) for use in a tubing string (702) with a power head (704) for creating reverse flow. The tool has a cylindrical housing (910) with an inner tube (920) in the housing directing well fluids again...
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WO/2012/057634A1 |
A method of estimating influx profile (qi) for well fluids (oil, gas, or water) to petroleum well (1) with influx locations (3, 31, 32, 33) to a production flow (F), comprising: - arranging tracer sources (4, 41, 42, 43) with tracer mate...
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WO/2011/140622A1 |
The present invention relates to a device for collecting oil/mineral oil leaking from the seabed. More specifically, the device according to the present invention consists in a flexible funnel for guiding and collecting oil/mineral oil l...
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WO/2011/132040A2 |
Monitoring of a wellbore which penetrates a reservoir is carried out by providing tracer material at one or more subterranean locations within or proximate the wellbore, so that tracer may enter the flow and be present in flow from the w...
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WO/2011/071593A1 |
The invention relates to dispensing slow release chemicals for inhibiting the formation of scale, corrosion or other precipitates in hydrocarbon wells. The chemical is provided into a dispenser positioned for at least nearly continuous e...
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WO/2011/020917A1 |
The present invention relates to a downhole tool head (1) for mounting onto a downhole tool (10) for drilling in a formation downhole or for releasing precipitated solids (2), such as ice, scales or the like, in a cavity fluid in a pipel...
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WO/2011/005988A1 |
A downhole screen assembly for dispensing a tracer material and methods for using the same are provided. The downhole screen assembly can include a body having a screen disposed thereabout. The downhole screen assembly can also include c...
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WO/2011/001198A1 |
Arrangement for the lifting of hydrocarbons in oil field wells, comprising a lifting assembly formed by a fluid collecting hose and a fluid suction tube within the well casing. The suction tube extends along the collecting hose, which ha...
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WO/2010/129888A2 |
An eductor sub is used as a portion of a downhole debris removal apparatus. It features an eductor outlet port that is selectively closed for run in to allow flow pumped through a tubing string to all go to the lower end of the debris re...
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WO/2009/153560A2 |
An apparatus for creating a force downhole is described. The apparatus comprises a tubular body defining a chamber, a plug, the plug being moveable between a first position at a first chamber location to a second position at a second cha...
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WO/2009/109599A1 |
Method and apparatus for downhole injecting one or more treatment fluids, and especially for providing one or more seals in an annular space between a well tubular and the surrounding formation or between pipes of a wellbore system, said...
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WO/2009/065535A1 |
An apparatus for removing debris from a well comprising: a tool body having a head, the head having a conduit opening and comprising protrusions extending from the outer surface of the head for moving debris; a chamber in the tool body t...
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WO/2009/046307A2 |
A modular wellbore treatment system (12a) having a reservoir for holding wellbore/reservoir (16) treatment material, a pump (20a) for pressurizing and delivering the wellbore/reservoir treatment fluid, and a sealing section (24a) for cre...
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WO/2009/020730A1 |
A jet bushing (40) for a wellbore cleanup tool (68) features a jet looking uphole to reduce turbulence at the outlet ports (42, 44, 46) that look downhole to accommodate the recirculation flow around the tool that captures the cuttings. ...
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WO2008016868A9 |
A downhole abrading tool (20) has a body (21) with a first end(22) for connection with a rotating component (15) of a drill string(16) and a cutting end (23) for rotation in unison with the body. The downhole abrading tool also includes ...
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WO/2008/107798A2 |
A lowermost casing segment (8) in a tubular casing string, capped with a cast iron end cap (9), has an ignitable thermite mixture (13) within the interior of such casing segment which, when ignited, superheats the end cap and the casing ...
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WO/2008/104177A1 |
Drilling tool (1) for drilling a well downhole where fluid is surrounding the tool and where the tool has a housing (15) and is connected to an electrical conducting means, such as a wireline. The drilling tool has a drilling head (2) an...
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WO/2008/069815A1 |
Foundry media having a low surface porosity and methods for producing the media are disclosed. One method includes minimizing a moisture content of the media prior to sintering the media, which minimized moisture content minimized the su...
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WO/2008/024547A2 |
An apparatus incorporating a chemical seal and method for removing fluids from a well is disclosed. The chemical seal is created by a foaming agent which, when in the presence of gas and fluids present in the well, and when agitated by t...
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WO/2008/021826A2 |
Apparatus if provided for use in wells, particularly wells that have high-pressure and high-temperature conditions in the well. The shells of completion equipment that is required to withstand the rigorous conditions in such wells are in...
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WO/2008/017019A2 |
A wellbore cleanup tool collects debris when moved in one direction downhole. A flow diverter is extended for such flow diversion when debris is collected. When running the tool in the opposite direction in the wellbore, the flow diverte...
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WO/2007/140313A2 |
A flow sensor is incorporated into a junk basket to sense a flow stoppage due to a plugged screen or plugged cuttings ports in a mill. The sensor triggers a signal to the surface to warn personnel that a problem exists before the equipme...
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WO/2007/098285A2 |
A marginal oil extraction system having an upper extraction unit, an extraction container, and a lower valve assembly. The marginal oil extraction system uses at least some of these components to cheaply extract oil from a stripper oil w...
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WO/2006/123109A1 |
A device (12) is disclosed which is for use in retrieving debris from a well. In one embodiment, the device includes an elongate body (20); a main bore (22) extending part way along a length of the body, along which fluid flows into the ...
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WO/2006/120581A2 |
This invention is a digger for piles. It lodges a hydraulic device (3), whose function is the opening and closing of some tablespoons or clams (2), which work to dig the land and collects the muddy contents that store inside the chassis ...
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WO/2006/079659A1 |
A method is provided of installing an expandable tubular element in a wellbore. The method comprises lowering the tubular element into the wellbore whereby an annular space is formed between the tubular element and the wellbore wall, loc...
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WO/2006/076330A1 |
A boot basket for retrieving debris from a well bore, and a method for retrieving debris from said well bore. The boot basket (303) includes a mandrel (301) having an internal wall and an external wall. The mandrel is connectable to a wo...
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