Patents Assigned to INTERWELL TECHNOLOGY AS
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Patent number: 10753160Abstract: A well tool device may include a first subsection and a second subsection connected to each other. The first subsection comprises a first connector having an outwardly facing first connection interface and the second subsection comprises a second connector having an inwardly facing second connection interface, where the second connector is provided radially outside of the first connector. The first connection interface is facing towards the second connection interface. The first connection interface comprises a first recess provided in the first connector. The second connection interface comprises a second recess provided in the second connector. The first and second recesses together are forming a bolt compartment. The well tool device further comprises a locking bolt provided in the bolt compartment formed by the first and second recesses in order to connect the first and second subsections to each other.Type: GrantFiled: February 29, 2016Date of Patent: August 25, 2020Assignee: Interwell Technology ASInventor: Espen Hiorth
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Patent number: 10648277Abstract: A sealing device for a well plug includes a mandrel device, a sealing element, a first supporting device provided on a first side of the sealing element and a second supporting device provided on a second side of the sealing element. Each supporting device includes proximal supporting elements provided proximal to the sealing element and distal supporting elements, where first ends of the respective proximal and distal supporting elements are pivotably connected to each other. The second ends of the proximal supporting elements are pivotably connected to a connector of a proximal supporting ring. The sealing device is brought from a run state to a first set state by relative axial movement of the distal supporting rings towards each other and relative axial movement of the proximal supporting rings towards each other.Type: GrantFiled: September 7, 2016Date of Patent: May 12, 2020Assignee: Interwell Technology ASInventor: Terje Stormo
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Patent number: 10563471Abstract: A casing plug assembly and method for performing an operation in a well pipe includes a running tool for connection to a drill pipe, an equalizing module, a seal module, and an anchor module. A continuous fluid channel is formed through the casing plug assembly. The anchor module is set in the well pipe by pumping fluid through the continuous fluid channel. The anchor module is, in the set state, providing a support in the well pipe used by the running tool to operate the seal module.Type: GrantFiled: May 27, 2016Date of Patent: February 18, 2020Assignee: Interwell Technology ASInventors: Steinar Georgsen, Markus Morland, Stian Marius Hansen
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Patent number: 10370933Abstract: A well tool device includes a mandrel device, a sealing element and upper and lower supporting devices. The well tool device may be configured between a run state, in which the sealing element is radially retracted, and a set state, in which the sealing element is radially expanded. The well tool device further includes a pressure distribution device for distributing the pressure on the sealing element in the set state via the upper and lower supporting devices. The pressure distribution device includes a sleeve device provided radially outside the mandrel device and radially inside the sealing element, where the sleeve device is axially displaceable in a sleeve compartment in relation to the mandrel device and the sealing element. The sleeve device includes an upper protrusion for applying a downwardly directed axial force to the upper supporting device when the sleeve device is in its lower position.Type: GrantFiled: February 5, 2016Date of Patent: August 6, 2019Assignee: Interwell Technology ASInventor: Espen Hiorth
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Patent number: 10309185Abstract: A releasable ratchet device, including a mandrel device with a grooved area and a locking device including locking grooves configured to be engaged with the grooved area of the mandrel device. The releasable ratchet device may be configured to be in a locked state, in which axial movement between the mandrel device and the locking device is allowed in a first direction when the locking device is engaged with the mandrel device and movement between the mandrel device and the locking device is prevented in a second direction opposite of the first direction when the locking device is engaged with the mandrel device. The releasable ratchet device further includes a releasing device configured to bring the releasable ratchet device to a released state, in which axial movement between the mandrel device and the locking device is allowed in both the first direction and the second direction.Type: GrantFiled: December 4, 2015Date of Patent: June 4, 2019Assignee: Interwell Technology ASInventor: Espen Hiorth
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Publication number: 20190032424Abstract: A well tool device may include a first subsection and a second subsection connected to each other. The first subsection comprises a first connector having an outwardly facing first connection interface and the second subsection comprises a second connector having an inwardly facing second connection interface, where the second connector is provided radially outside of the first connector. The first connection interface is facing towards the second connection interface. The first connection interface comprises a first recess provided in the first connector. The second connection interface comprises a second recess provided in the second connector. The first and second recesses together are forming a bolt compartment. The well tool device further comprises a locking bolt provided in the bolt compartment formed by the first and second recesses in order to connect the first and second subsections to each other.Type: ApplicationFiled: February 29, 2016Publication date: January 31, 2019Applicant: Interwell Technology ASInventor: Espen Hiorth
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Publication number: 20180313183Abstract: A well tool device includes a housing, a frangible disc and a seat for supporting the frangible disc in relation to the housing. The housing has an inner surface defining a through bore. The frangible disc is provided in the through bore and includes a side surface. The seat includes a side surface. A sealing device is provided between the frangible disc and the seat. The sealing device provided between the side surface of the frangible disc and the side surface of the seat is made from a vulcanized rubber material.Type: ApplicationFiled: November 3, 2016Publication date: November 1, 2018Applicant: Interwell Technology ASInventor: Espen Hiorth
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Publication number: 20180283116Abstract: A casing plug assembly and method for performing an operation in a well pipe includes a running tool for connection to a drill pipe, an equalizing module, a seal module, and an anchor module. A continuous fluid channel is formed through the casing plug assembly. The anchor module is set in the well pipe by pumping fluid through the continuous fluid channel. The anchor module is, in the set state, providing a support in the well pipe used by the running tool to operate the seal module.Type: ApplicationFiled: May 27, 2016Publication date: October 4, 2018Applicant: Interwell Technology ASInventors: Steinar GEORGSEN, Markus MORLAND, Stian Marius HANSEN
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Patent number: 10081995Abstract: A well tool including a plugging device having an inner mandrel, an anchoring device and a sealing device. The tool also includes a junk catching device having an outer housing, a bore provided inside the housing and a receiving device provided in an upper end of the housing. A lower end of the outer housing is connected to an upper end of the inner mandrel of the plugging device. The receiving device comprises a receiving opening providing an opening into the bore and a junk guiding device for guiding junk into the bore via the receiving opening. The well tool further includes a valve device having a run state and a set state, where the valve device forms a termination of a junk container in the set state.Type: GrantFiled: June 2, 2014Date of Patent: September 25, 2018Assignee: INTERWELL TECHNOLOGY ASInventors: Anastasia Malafey, Jan Tore Helland
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Publication number: 20180245423Abstract: A sealing device for a well plug includes a mandrel device, a sealing element, a first supporting device provided on a first side of the sealing element and a second supporting device provided on a second side of the sealing element. Each supporting device includes proximal supporting elements provided proximal to the sealing element and distal supporting elements, where first ends of the respective proximal and distal supporting elements are pivotably connected to each other. The second ends of the proximal supporting elements are pivotably connected to a connector of a proximal supporting ring. The sealing device is brought from a run state to a first set state by relative axial movement of the distal supporting rings towards each other and relative axial movement of the proximal supporting rings towards each other.Type: ApplicationFiled: September 7, 2016Publication date: August 30, 2018Applicant: Interwell Technology ASInventor: Terje Stormo
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Patent number: 9945205Abstract: A plugging device for sealing against an inner surface of a pipe includes a mandrel, a sealing device, and an actuating device. The sealing device includes a first body provided circumferentially around the mandrel, an upper supporting device provided axially above the first body, and a lower supporting device provided axially below the first body. The actuating device is connected to at least one of the supporting devices for actuating the sealing device between a retracted state and an expanded state. The sealing device includes a second, sealing body provided circumferentially around the mandrel. An inner surface of the second sealing body is engaged with an outer surface of the first body in the expanded state. The second sealing body is moved from the retracted state to the expanded state by an axial displacement of at least one of the supporting devices towards each other.Type: GrantFiled: July 26, 2013Date of Patent: April 17, 2018Assignee: Interwell Technology ASInventor: Espen Hiorth
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Publication number: 20170370175Abstract: A well tool device includes a mandrel device, a sealing element and upper and lower supporting devices. The well tool device may be configured between a run state, in which the sealing element is radially retracted, and a set state, in which the sealing element is radially expanded. The well tool device further includes a pressure distribution device for distributing the pressure on the sealing element in the set state via the upper and lower supporting devices. The pressure distribution device includes a sleeve device provided radially outside the mandrel device and radially inside the sealing element, where the sleeve device is axially displaceable in a sleeve compartment in relation to the mandrel device and the sealing element. The sleeve device includes an upper protrusion for applying a downwardly directed axial force to the upper supporting device when the sleeve device is in its lower position.Type: ApplicationFiled: February 5, 2016Publication date: December 28, 2017Applicant: Interwell Technology ASInventor: Espen Hiorth
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Publication number: 20170328168Abstract: A releasable ratchet device, including a mandrel device with a grooved area and a locking device including locking grooves configured to be engaged with the grooved area of the mandrel device. The releasable ratchet device may be configured to be in a locked state, in which axial movement between the mandrel device and the locking device is allowed in a first direction when the locking device is engaged with the mandrel device and movement between the mandrel device and the locking device is prevented in a second direction opposite of the first direction when the locking device is engaged with the mandrel device. The releasable ratchet device further includes a releasing device configured to bring the releasable ratchet device to a released state, in which axial movement between the mandrel device and the locking device is allowed in both the first direction and the second direction.Type: ApplicationFiled: December 4, 2015Publication date: November 16, 2017Applicant: Interwell Technology ASInventor: Espen Hiorth
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Patent number: 9784060Abstract: A junk catching device (1) for catching junk traveling into a well. The device comprises an outer housing (10) comprising an upper end (10a) and a lower end (10b), a bore (11) provided inside the housing (10), a receiving device (20) provided in the upper end (10a) of the housing (10). The receiving device (20) comprises a receiving opening (21) providing an opening into the bore (11) and a junk guiding device (22) for guiding junk into the bore (11) via the receiving opening (21). The junk guiding device (22) is configured to be provided in a run state, in which the outer diameter of a guiding section (22A) of the junk guiding device (22) is less than or equal to the outer diameter of the housing (10), and in a set state, in which the outer diameter of the guiding section (22A) of the junk guiding device (22) is larger than the outer diameter of the housing (10).Type: GrantFiled: October 29, 2013Date of Patent: October 10, 2017Assignee: Interwell Technology ASInventors: Espen Hiorth, Christian Malvik
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Patent number: 9695668Abstract: The present invention relates to a millable plugging device for use in a well pipe. The device includes an inner mandrel and an outer housing provided radially outside at least parts of the inner mandrel. A sealing assembly is provided radially outside the inner mandrel, where the sealing assembly is configured to be brought from a run state to a set state by a relative axial displacement between the inner mandrel and the outer housing. The millable plugging device has a first center axis and the second mandrel section has a second center axis which is displaced parallel in relation to the first center axis. Rotation of the inner mandrel in the set state is bringing a third mandrel section of the mandrel to a locked state, in which further rotation of the inner mandrel is prevented.Type: GrantFiled: November 4, 2013Date of Patent: July 4, 2017Assignee: Interwell Technology ASInventor: Espen Hiorth
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Patent number: 9562413Abstract: The present invention relates to a plugging device (1) comprising a housing (10), a packer device (2), a first supporting assembly (3) supporting a first side (2a) of the packer device (2) in the expanded state and a second supporting assembly (4) supporting a second side (2b) of the packer device (2) in the expanded state. The packer device (2) is provided circumferentially around the housing (10); where the packer device (2) is configured to be provided in a retracted state and an expanded state, where the radial radius (R2) of the packer body (20) in the expanded state is larger than the radial radius (R1) of the packer body (20) in the retracted state. The packer device (2) comprises a packer body (20) and a supporting device (30) for supporting the packer body (20) in the expanded state.Type: GrantFiled: May 31, 2012Date of Patent: February 7, 2017Assignee: Interwell Technology ASInventor: Espen Hiorth
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Patent number: 9464498Abstract: The invention relates to an extrusion preventing supporting device (30) comprising interconnected chain elements (40; 50, 55). Outwardly curved ends (42; 57, 58) of the chain elements (40; 50, 55) are adapted to be received by inwardly curved ends (43; 52, 53) of adjacent chain elements (40; 50, 55). Each chain element comprises a through connection bore (44; 54, 59). The extrusion preventing supporting device (30) further comprises one continuous connection wire 70 provided through the respective connection bores (44; 54, 59).Type: GrantFiled: May 31, 2012Date of Patent: October 11, 2016Assignee: Interwell Technology ASInventor: Espen Hiorth
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Patent number: 9297253Abstract: A well pipe for inductive connection to a well tool includes a tubular pipe string and an inductive pipe element. The pipe string includes an inner pipe wall defining a longitudinal opening, where a compartment is provided radially in a radial groove of the inner pipe wall and the inductive pipe element is provided in the compartment. The well tool includes a tool body and an inductive tool element provided in a groove provided radially on the outside of the tool body. The inductive tool element is connected to the tool body by a connection device, where the inductive tool element is movable between a run state and a set state, where the inductive tool element is provided in the groove in the run state and where the inductive tool element is radially protruding from the groove in the set state.Type: GrantFiled: June 19, 2012Date of Patent: March 29, 2016Assignee: Interwell Technology ASInventors: Espen Hiorth, Bjørnar Svenning
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Patent number: 9291028Abstract: The present invention relates to a plugging device (1), comprising a packer device (4) for pressure tight sealing of a pipe. The packer device (4) comprises a cone device (10) comprising a first cone (12) and a second cone (14), each having their base faced towards each other and each comprising a tapering surface (12a, 14a). A first packer supporting device (20) is provided on a first side of the cone device (10), a second packer supporting device (22) is provided on a second side of the cone device (10) and a packer body (50) provided is between the first packer supporting device (20) and the second packer supporting device (22). The first and second packer supporting devices (20, 22) comprise supporting arms (24) having a first end (24a) movably connected to the plugging device (1) and a second end (24b) connected to either a front supporting element (30) or a rear supporting element (40).Type: GrantFiled: November 21, 2011Date of Patent: March 22, 2016Assignee: Interwell Technology ASInventors: Espen Hiorth, Steinar Georgsen, Christian Malvik
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Publication number: 20150376978Abstract: The present invention relates to a millable plugging device for use in a well pipe. The device includes an inner mandrel and an outer housing provided radially outside at least parts of the inner mandrel. A sealing assembly is provided radially outside the inner mandrel, where the sealing assembly is configured to be brought from a run state to a set state by a relative axial displacement between the inner mandrel and the outer housing. The millable plugging device has a first center axis and the second mandrel section has a second center axis which is displaced parallel in relation to the first center axis. Rotation of the inner mandrel in the set state is bringing a third mandrel section of the mandrel to a locked state, in which further rotation of the inner mandrel is prevented.Type: ApplicationFiled: November 4, 2013Publication date: December 31, 2015Applicant: Interwell Technology ASInventor: Espen Hiorth