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Patent Searching and Data


Matches 1 - 50 out of 1,265

Document Document Title
WO/2019/069054A1
Method and apparatus for removing a section of well tubing. The well tubing (24) is milled in an upward direction on a hydraulic tensioning device (14) which maintains a constant load on the section mill so that long sections of tubing c...  
WO/2019/069055A1
Apparatus (10) and method for removing a section of well tubing. A work string including a hydraulic tensioning device (14) and a section mill (12) are run in a rigless arrangement to provide continuous upward milling of the tubing (24) ...  
WO/2019/063972A1
A method of controlling a well in a geological structure, the well comprising: a first casing string (12a), and a second casing string (12b) at least partially inside the first casing string thus defining a first inter-casing annulus the...  
WO/2019/060684A1
A mechanical service tool that may include one or more anchors, a cutter, a communication and control system, and one or more sensors, as well as methods for operating the mechanical service tool, are provided. The one or more anchors ma...  
WO/2019/055482A1
A tubular string is cut using a severing system deployed from the rig floor inserted through the BOP into the tubular string and landed in a fit-for-purpose wellhead. The cutting operation forms an excess tubular string and a remaining t...  
WO/2019/050770A1
An anchor for securing a well tool can include a longitudinally extending central axis, an outwardly extendable grip member, and a mechanical linkage including multiple pivotably connected links. The links pivot relative to each other in...  
WO/2019/025761A3
A tool for milling a window in a casing (3) of a borehole, the tool comprising: a main body having a longitudinal axis wherein, when the tool is run into a borehole, the longitudinal axis is substantially parallel with the longitudinal a...  
WO/2019/042699A1
The present invention provides a milling tool (1) for a wellbore, comprising a milling section (2) and a metal cuttings removal section (3), the milling section (2) comprises radially arranged milling elements (4); and the metal cuttings...  
WO/2019/038535A1
A section mill (10) and method of removing a section of tubular (150) from a well. The section mill includes elongate blades (14) which have a cutting structure (66) extending along at least a portion of a length from a first edge (62) a...  
WO/2019/034848A1
A valve seat (42a) for a valve (24) is disclosed, the valve seat facilitating cutting of a. body (82) located within the seat. The valve seat comprises a sealing surface (76) for sealing with a valve member (44) and a generally annular c...  
WO/2019/032598A1
A casing patch system comprising a base tubular with two anchor/seals coupled to the base tubular and an expansion tool comprising two expansion devices positioned such that upon expansion of the first anchor/seal, the second expansion d...  
WO/2019/028230A1
A perforating short gun for use in a horizontal well casing. The gun includes a gun carrier and a charge holder to carry shaped charges. The charge holder is inserted into the gun carrier and a selected length of the gun carrier includes...  
WO/2019/025761A2
A tool for milling a window in the casing of a borehole, the tool comprising: a main body having a longitudinal axis wherein, when the tool is run into a borehole, the longitudinal axis is substantially parallel with the longitudinal axi...  
WO/2019/016523A1
A cutting tool, comprising: an elongate main body having an inlet end and an outlet end, a fluid flow path being defined between the inlet and the outlet ends; a piston mounted within the main body and longitudinally movable with respect...  
WO/2019/013650A1
An apparatus (50) and a method for at least partially cracking a frangible material (E) in a portion (B) between a first tubular (5) and a second tubular (4) comprises one or more impact devices (54) arranged and configured to impart one...  
WO/2019/013645A1
A tool for use in a borehole to perform a milling, under reaming, or other cutting operation. The tool comprises a tool body configured for rotation about its longitudinal axis, within the borehole, and a set of cutters, the set comprisi...  
WO/2018/229020A1
The present invention relates to a downhole patch setting tool (1) for expanding a patch over a distance of more than 10 metres in a well (50), the downhole patch setting tool having a top (51) and comprising a tool body (2) having a bor...  
WO/2018/231701A1
A wellbore tool (100) includes a rotatable elongate pipe (102) that includes a first elongate portion (120) extending along a longitudinal axis (122) of the elongate pipe. A first bending portion(104) with a first end attaches to a downh...  
WO/2018/229097A1
Pipe cutting tool (1) comprising a stationary knife (12) fixed in a first plane to a frame (11), and a translatable knife (14) which can be slidably moved along knife translation paths (1 13) arranged in a second plane of said frame (11)...  
WO/2018/226319A1
A roller-mill bit for use in a wellbore includes: a body having a coupling formed at an upper end thereof and a plurality of lower legs; a plurality of roller disks, each roller disk secured to a bearing shaft of a respective leg for rot...  
WO/2018/222319A1
An electromechanical rotary pipe mill or hone including a body, a motor with a mill or hone disposed thereon in radially adjustable position with respect to the body, a clamping device extendable from the body and configured for anchorin...  
WO/2018/217096A1
An assembly for performing a survey of tubing which is stuck in a borehole is described, together with a related method and a device for use in the assembly. In various embodiments, the assembly has a tractor for advancing the assembly a...  
WO/2018/215074A1
The abrasive suspension eroding system disclosed herein has an eroding unit (11), which can be lowered into an existing drilled hole (1), in order to generate a high-pressure erosion jet for the abrasive suspension eroding of material (6...  
WO/2018/203062A1
A method and apparatus for single-trip casing cutting and pulling for well abandonment and slot recovery. Perforations (28) are made in the casing (12) at a maximum depth using a punch tool (18) and fluid circulated through the perforati...  
WO/2018/203063A1
A method and apparatus for single-trip casing cutting and pulling for well abandonment and slot recovery. Perforations (28) are made in the casing (12) at a maximum depth using a punch tool (18) and a pulsed fluid circulated through the ...  
WO/2018/200341A1
A method and sealant to seal microcracks as small as 30 μm by causing methyl methacrylate combined with one or more nanoparticles to flow into the microcrack to be sealed.  
WO/2018/191668A1
A method and apparatus for crimping a charge tube adapted to carry shaped charges to an end fitting for loading shaped charges into a perforating gun.  
WO/2018/191320A1
Drill bits comprise a body having an uphole end and a downhole end. The uphole end is adapted for connection to a tool assembly for rotating the drill bit. The tool assembly has an axis of rotation. The downhole end has one or more cutti...  
WO/2018/182899A1
A milling apparatus for cutting a tubular in a wellbore includes a cutting element on a tool body configured to cut the tubular in a wellbore when the cutting element is activated when the tool is moving upward inside the tubular. The cu...  
WO/2018/174718A1
A method is described for making an opening (100) through a casing pipe (12) in a well (10) in which equipment is tipped to cut out the opening and cut out pieces from the pipe wall are captured, and also that a drill wedge is fitted in ...  
WO/2018/169847A1
A method for creating access to annular spacing during P&A operations is described. Specifically, helical coils are cut into one or more casings before the plugging material is set. The plugging material is able to exit the helical coils...  
WO/2018/169633A1
A method of controllably disintegrating a downhole article comprises disposing the downhole article in a downhole environment, the downhole article containing a matrix material; a first chemical; and a second chemical physically isolated...  
WO/2018/165069A1
A method and apparatus for cutting and pulling a casing string from a well. A downhole casing pulling tool includes a tubular housing having a bore therethrough, a packer assembly configured to isolate an annulus between a casing and the...  
WO/2018/160319A1
A method of controllably disintegrating a downhole article comprises disposing a first article in a downhole environment, the first article being the downhole article to be disintegrated; disposing a second article in the downhole enviro...  
WO/2018/157144A1
Apparatus and methods for penetrating a downhole target within a wellbore include providing a body with a longitudinal axis, a first end, and a second end into a wellbore, the body having a nozzle at the first end. The nozzle is adapted ...  
WO/2018/142122A1
Method and apparatus for single-trip cementing and casing cutting for well abandonment and slot recovery. A casing cutter is described which has a central through bore including a wall to isolate the cutting assembly from cement being pa...  
WO/2018/144985A1
A tethering system includes an adapter configured to couple to an upper end of a subsea anchor, a tensioning system, and a flexible tension member having one end coupled to the tensioning system and the other end coupled to the adapter. ...  
WO/2018/142123A1
Method and apparatus for single-trip cementing and casing cutting for well abandonment and slot recovery. Using a tool string including a casing cutter and a stinger, where the casing cutter has a central through bore including a wall to...  
WO/2018/140871A1
A one trip bottom hole assembly allows setting and testing a plug and release from the plug. Cement can be pumped onto the plug, after the BHA is raised, to an extent to meet local regulatory requirements. The cutter spear combination ca...  
WO/2018/138479A1
Embodiments comprise a method of removing material at a well, involving progressively jetting heat along a helical path to heat a target material for removal. Embodiments of the method comprise material removal from a downhole well eleme...  
WO/2018/132353A1
An apparatus for use in a well includes a tubular mandrel (115) configured to connect to a downhole assembly. An outer hub is configured to attach to a wellhead (10) and has a bore therethrough. An inner housing (130) is disposed on the ...  
WO/2018/122548A1
A method to test or monitor the integrity of a cement barrier, comprising providing an assembly therebelow including: a perforating device;a control mechanism to control the perforating device, a pressure sensor, a wireless communication...  
WO/2018/115892A1
A tool for fracturing at least one tubular is described. The tool comprises a plurality of parallel columns of explosives and a detonation system configured to detonate the columns of explosives. The columns are arranged such that upon d...  
WO/2018/106347A1
A coupling system includes a lower marine riser package having a connector at a bottom end and at least one blowout preventer pressure control element coupled to a wellhead and having a connector at an upper end. Explosively frangible fa...  
WO/2018/101960A1
It may be required at a well site to create a lateral wellbore from a primary wellbore. A dissolvable whipstock assembly may be positioned within a primary wellbore to deflect a mill or drill bit to create a secondary wellbore. The disso...  
WO/2018/096312A1
A gate valve apparatus comprises a housing defining a flow path, a first valve seat located within the housing around a periphery of the flow path and comprising a first peripheral seal surface, and a gate valve member which is moveable ...  
WO/2018/089589A1
A method includes cutting a production tubing disposed in a wellbore to form a lower production tubing section and an upper production tubing section, displacing the upper production tubing section away from the lower production tubing s...  
WO/2018/085575A1
A bottom hole assembly (BHA) contains a motor and a section mill for milling in an uphole direction after blade extension with circulating fluid through the BHA. Below the section mill is sensing equipment to detect location of a bridge ...  
WO/2018/083473A1
Method and apparatus for removing a downhole casing from a well on a single trip. A downhole tool assembly is arranged on a work string having a downhole pull tool, a spear tool, motor unit and cutting device. The downhole pull tool is s...  
WO/2018/080715A1
A milling and scraping tool for preparing a borehole to be plugged includes a tool body including a first end, a second end, and an intermediate portion extending therebetween and a milling system arranged between the first end and the s...  

Matches 1 - 50 out of 1,265