| Document |
Document Title |
|
WO/2010/143975A1 |
Device for sealing a leakage in a well tube (11), comprising a sealing ring (14) and elements (22 - 25) for forcing the sealing ring into sealing engagement with the wall (20) of the tube (11). A power device (35; 38) being operatively c...
|
|
WO/2010/141401A1 |
A downhole tool assembly for use in a wellbore includes a tubular body carrying an explosive which is selectively detonated to create a dynamic underbalance or overbalance effect in the wellbore. The tubular body has opposite ends provid...
|
|
WO/2010/135490A2 |
A cutting assembly for external conduits on a tubing string features a breakaway in the string that can be severed with a tensile force. Preferably each external conduit is run through a cutter housing. Upon severing of the string and ap...
|
|
WO/2010/135245A2 |
A debris removal tool uses a screen to separate the debris coming into the tool from the moving fluid. The fluid that gets through the screen then operates a flow sensing device that is preferably a turbine whose speed of rotation or oth...
|
|
WO/2010/135114A2 |
An apparatus for sealing tubing to a device, the apparatus including: a first seal configured to seal the tubing to the device, the first seal having a device side in contact with the device and an interior side opposite the device side;...
|
|
WO/2010/131064A1 |
Drilling is the process of producing holes by using specific type of cutting tool. In the present work, the holes can be drilled on the surface of the casing pipe (or) PVS pipe to develop extra water In the existing bυre well without re...
|
|
WO/2010/132672A2 |
A tubular cutter that cuts with extendable and rotating blades has its depth of cut limited upon getting through the tubular to be cut. In a preferred embodiment, the tubular has a loosely mounted member exterior thereto to be engaged by...
|
|
WO/2010/132807A2 |
A mill is configured to have large debris passages disposed among a series of radially extending blades. The mill center is adapted to accept a retention nut that supports a tool that secures the downhole tool being milled out, such as a...
|
|
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...
|
|
WO/2010/120180A1 |
There is described a device for machining apparatus (2) arranged for machining of a portion of a casing (12) positioned in a wellbore (1), wherein a return fluid conduit (23) extends from the machining apparatus (2) in a direction toward...
|
|
WO/2010/120677A2 |
Methods and apparatus for radially expanding and plastically deforming an expandable tubular member using an expansion device for radially expanding and plastically deforming the expandable tubular member, an actuator coupled to the expa...
|
|
WO/2010/105258A1 |
A temporary casing is disclosed. The casing includes a primary portion capable of being driven into the ground and comprising a hollow portion wherein soil may be removed from within the primary casing portion, a detachable portion, also...
|
|
WO/2010/102015A1 |
An affixation and release arrangement includes a first component having a fluid pressure chamber; a piston mounted in the first component and exposed to the fluid pressure chamber; a second component affixed to the first component throug...
|
|
WO/2010/090891A1 |
Apparatus and method for drilling drainholes into a subterranean formation around a well are provided. A tool body on tubing directs a mechanical cutter or jet bit to the casing. A hole is cut in casing and a rotary detent mechanism may ...
|
|
WO/2010/086634A2 |
An apparatus for setting an anchor in a borehole and milling a window in a side surface of the borehole in a single trip, comprising: a drill string; a mechanically-settable anchor initially forming part of the drill string; a plug membe...
|
|
WO/2010/066276A1 |
A wellbore machining device is proposed for machining a tubular component (1) of a wellbore. The device comprises a control unit (3) at the surface level of the wellbore and a down-hole tool unit (5) connected to the control unit (3) thr...
|
|
WO/2010/065994A1 |
A well casing severing apparatus and method provides a cutting tool (7) in a tool holder (9) arranged to rotate and radially advance (pneumatically or hydraulically driven) to cut through the side wall of the tubing (8). The cutting tool...
|
|
WO/2010/057932A1 |
The present invention provides a practical method capable of substantially removing downhole equipment by dissolving it with a chemical. The method comprises introducing an equipment dissolution mixture comprising one or more chemicals a...
|
|
WO/2010/043850A1 |
A powered cutting tool (1) is provided primarily but not exclusively for use underwater, for example in submarine conditions by attachment of the tool to a manipulator arm of a remotely operated vehicle. The tool (1) comprises a bifurcat...
|
|
WO/2010/042298A1 |
A subsea hydraulic control system that is a subsystem for providing a hydraulic pilot signal to an actuation subsystem. The present invention comprises a hydraulic control system and method for rapidly actuating subsea equipment in deep ...
|
|
WO/2010/039694A2 |
Apparatus and methods for forming and sealing a hole in the sidewall of a borehole are provided. The method may include conveying a carrier into the borehole, forming the hole in the sidewall using a bit, and sealing at least a portion o...
|
|
WO/2010/035042A2 |
A method of testing the through cut of a pipeline comprising at least the steps of: (a) transmitting an electromagnetic signal through the pipeline; (b) monitoring any reflected signal (s); and (c) interpreting the or each reflected sign...
|
|
WO/2010/026215A2 |
Reducing the diameter of a well bore has many advantages. To achieve this a subsurface well bore is provided comprising one or more expandable sleeve components, preferably expandable liners, each expandable sleeve component being fully ...
|
|
WO/2010/019252A1 |
A downhole tool having a body or structural component comprises a material that is at least partially consumed when exposed to heat and a source of oxygen. The material may comprise a metal, such as magnesium, which is converted to magne...
|
|
WO/2010/019675A2 |
An intervention system and method for control of seabed equipment, including a control umbilical connected to a support vessel or rig via a surface winch; a tether connected to underwater seabed equipment; and an umbilical management sys...
|
|
WO/2009/152532A1 |
A methodology and apparatus for cutting shape(s) or profile(s) through well tubular(s), or for completely circumferentially severing through multiple tubulars, including all tubing, pipe, casing, liners, cement, other material encountere...
|
|
WO/2009/137537A2 |
Embodiments of the present invention generally relate to signal operated tools for milling, drilling, and/or fishing operations. In one embodiment, a mud motor for use in a wellbore includes: a stator; a rotor, the stator and rotor opera...
|
|
WO/2009/134143A2 |
A top mill for positioning in a borehole and removing an upper portion of a tubular element, such as a casing, situated in the borehole is comprising a tool shaft (1), a stabiizer provided with a plurality of stabilizer ribs (2), and a p...
|
|
WO/2009/085615A9 |
Methods of generating radial survey images of a borehole and methods of orienting downhole operational tools are disclosed. The disclosed techniques are used to generate a radial survey of the borehole in the form of one or more rose-plo...
|
|
WO/2009/129116A2 |
A combination whipstock and seal bore diverter system includes a whipstock; and a diverter configured to receive and support the whipstock in a selected orientation, the system being installable in a single run in a borehole.
|
|
WO/2009/122203A1 |
A string of concentric casings (111) to (114) are located in the seabed (102). An abrasive cutting medium 103 is ejected at high pressure from a nozzle (101) at the end of a pipe (104) to cut through the casings (111) to (114) such that ...
|
|
WO/2009/122202A1 |
To form an abrasive cutting fluid, two sizesof abrasive grit are mixed together with a high concentration of flocculent and water to form a thick slurry which is fed by a pump (3) into a pressure vessel (4). Water from feed point (7) pas...
|
|
WO/2009/099945A2 |
A particle impact drilling system and method are described. In several exemplary embodiments, the system and method may be a part of, and/or used with, an apparatus or system, methods, to excavate a subterranean formation. The system can...
|
|
WO/2009/094393A1 |
A method for perforating a subterranean formation includes positioning a shaped charge and a reactant composite material in a carrier; positioning the carrier in the wellbore; detonating the shaped charge; and disintegrating the reactant...
|
|
WO/2009/073360A2 |
Fracturing tools for fracturing multiple zones of a wellbore are disclosed. In certain embodiments, the fracturing tools comprise two or more crossover subs coupled together and having a crossover sub window alignment assembly operativel...
|
|
WO/2009/073585A2 |
A bottom hole assembly (12) for use in cutting a window in a wellbore casing wall. An exemplary bottom hole assembly is described which includes a shaft that carries a window mill (24). A pair of bearing mills (26,28) is carried by the s...
|
|
WO/2009/065578A1 |
A method of providing a flow conduit in a pressurised well, comprising: - providing a supply of material for forming the conduit outside the well; - introducing the material into the well through a pressure control system; and - forming ...
|
|
WO/2009/058706A2 |
A riserless mud recovery system including a mud return line secured by an anchor is disclosed. Some system embodiments for drilling a well bore in an offshore location having a water surface and a subsea formation include an offshore str...
|
|
WO/2009/055380A2 |
An apparatus and method for improving control over the milling force applied to a milling bit that is turned through a rotary drive to form a hole in a wellbore casing. A bit-weighting sub is applied between the tubing used to lower the ...
|
|
WO/2009/029400A1 |
A wellhead removal tool features a rotary cutter run by a Moyno type progressive cavity pump that is powered by fluid pumped through it. The stator of the motor has a gripping device with a series of collets or slip inserts that have gri...
|
|
WO/2009/028953A1 |
A method and device for removing the upper portion of a well (20) arranged in the ground, the upper portion of the well (20) including at least a portion of a casing (24) extending from the surface down into the ground (28), and, before ...
|
|
WO/2009/021037A2 |
What is provided is a method and apparatus wherein a swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in ...
|
|
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. ...
|
|
WO/2009/007379A2 |
According to the method, a cylindrical tube (1) is inserted into the well or the pipe (C) that is to be lined, after which part of the tube is radially expanded using an inflatable bladder (2) so that the wall of the tube is pressed agai...
|
|
WO/2008/154486A2 |
Methods for deploying a subsea blowout preventer stack system comprising a lower marine riser package, a blowout preventer stack with a first ram blowout preventer, and an additional blowout preventer package releasably coupled to the bl...
|
|
WO/2008/151314A2 |
A seal (10) comprising a tube (12), itself at least partially comprising a shape memory material around which is disposed a swellable material in the form of an element (14). Such a swellable material increases the chances that a seal or...
|
|
WO2008118716B1 |
Disclosed herein is a downhole cutting tool. The downhole cutting tool including, a cutting member mounted on a rotatable shaft, a shaft-deflecting device in operable communication with the shaft, and a motor in operable communication wi...
|
|
WO/2008/135747A2 |
Apparatus for cutting through a pipe wall under water, as in decommissioning an offshore structure, has a body (16) which can be lowered down the pipe (10) and then locked in position, and a cutting head (20) at the bottom of the body wi...
|
|
WO/2008/131771A2 |
The present invention relates to a cladding method for sealing a leak (2) in a casing (3), a pipeline, a borehole, or a well downhole using a liner (1) having a tube (4) with a first diameter, a plurality of circumferential grooves (5), ...
|
|
WO/2008/124636A1 |
A method of removing a restriction in a tubular located in a well includes providing a drilling assembly with a drill bit and a reamer, the reamer having a cutting structure for removing the restriction; drilling through a lower portion ...
|
