Patents Assigned to Petroleum Technology Company
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Patent number: 9500062Abstract: A valve (1) having at least one flange portion (2, 3) for securing to a wellhead Christmas tree (5) for shutting off a pipe outlet (50) from the wellhead Christmas tree (5). At least one of the flange portions (2) includes integrated devices (6a, 6b, 6, 14, 15) for operation of a second unit (10) mounted outside the valve (1).Type: GrantFiled: February 14, 2011Date of Patent: November 22, 2016Assignee: PETROLEUM TECHNOLOGY COMPANY ASInventors: Magnar Tveiten, Erling Kleppa, Øyvind Stokka
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Patent number: 9394754Abstract: The present invention relates to a kick over tool (5) for manipulating and installing devices into and removing devices from a side pocket mandrel (2), where the kick over tool is designed to enable multiple operations in the same run. The kick over tool comprises a tubular carrier housing (6) adapted for passage through a full opening bore of a production string, at least a first and second setting device (8,9) that is arranged in said carrier housing, the first and second setting device being pivotally connected to a first and second articulated linkage mechanism (12,13) comprising a coupling device for the well bore device.Type: GrantFiled: December 7, 2010Date of Patent: July 19, 2016Assignee: PETROLEUM TECHNOLOGY COMPANY ASInventors: Erling Kleppa, Ståle Pettersen
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Patent number: 9382777Abstract: A tool for installation of units in connection with oil wells, comprising a housing (1) with an attachment device (12) for attachment to a well installation, a telescopic device (30, 31, 32) for extension of the tool, a torsional force transmission device (13) for rotation of an internal movable element (2) of the tool. The internal movable element (2) comprises a pressure face (21), which in an operative condition is exposed to a well pressure and a counter-pressure face (22), with a sealing arrangement (26) between the housing (1) and the internal movable element (2) provided between these pressure faces (21, 22) and devices (23) which are arranged in such a manner that a pressure can be applied to the counter-pressure face.Type: GrantFiled: January 26, 2011Date of Patent: July 5, 2016Assignee: Petroleum Technology Company ASInventors: Stâle Pettersen, Erling Kleppa, Trond Kvasnes
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Patent number: 9371713Abstract: The present invention relates to an apparatus for monitoring physical parameters in an oil and/or gas well, the apparatus being connectable to a wellhead of the oil and/or gas well. The apparatus comprises a flange assembly configured with a through bore and an end termination, in which through bore a sensor and associated electronics are arranged. The sensor, including a first electronic circuitry, is connected to a second electronic circuitry via transmission devices that are passed through a pressure-tight element arranged in the through bore. The invention also relates to a wellhead for use with an oil and/or gas well with a plurality of casings defining a plurality of annili. The wellhead is configured with a plurality of through-holes, each leading into a respective annulus of the well, and each through-hole is connected to an apparatus as mentioned above.Type: GrantFiled: May 16, 2012Date of Patent: June 21, 2016Assignee: PETROLEUM TECHNOLOGY COMPANY ASInventor: Erling Kleppa
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Patent number: 9217322Abstract: A method for installing an apparatus for monitoring physical parameters in an annulus of an oil and/or gas well having a well head. The apparatus comprises a sensor plug including a sensor and a flange assembly arranged with a bore holding a signal processing unit for communication with the sensor. The method comprises installing the sensor plug in a passage in the well head, connecting a cable connector to the sensor plug, positioning the bore of the flange assembly essentially coinciding with the passage of the well head. The invention also comprises a method for retrieving an apparatus for monitoring physical parameters in an annulus of an oil and/or gas well having a well head.Type: GrantFiled: May 16, 2012Date of Patent: December 22, 2015Assignee: Petroleum Technology Company ASInventor: Erling Kleppa
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Patent number: 9140096Abstract: The present invention relates to a valve system for use in a wellbore, the system comprising a side pocket mandrel and one or more well tools, where the side pocket mandrel (6) comprises an elongated body section (7) provided with connection means (8) at its ends, the elongated body section (7) being provided with a substantially fully open main bore (9) for alignment with the well tubing (3) and an offset side pocket bore (10).Type: GrantFiled: February 16, 2011Date of Patent: September 22, 2015Assignee: Petroleum Technology Company ASInventors: Magnar Tveiten, Erling Kleppa, Øyvind Stokka, Ole Sevheim
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Publication number: 20140216715Abstract: The present invention relates to an apparatus comprising a flange assembly configured with a through bore and an end termination, where a sensor and associated electronics are arranged in the through bore, and wherein the sensor, via transmission devices passed through a ceramic element, is connected to the associated electronics.Type: ApplicationFiled: May 16, 2012Publication date: August 7, 2014Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventor: Erling Kleppa
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Publication number: 20140216757Abstract: The invention concerns a method for installing an apparatus for monitoring physical parameters in an annulus of an oil and/or gas well having a well head. The apparatus comprises a sensor plug including a sensor and a flange assembly arranged with a bore holding a signal processing unit for communication with the sensor. The method comprises the following steps; installing the sensor plug including the sensor in a passage in the well head, which passage communicates with an annulus of the well, connecting a cable connector to the sensor plug, which cable connector is attached to an end of a cable, connecting the sensor of the sensor plug to the signal processing unit in the bore of the flange assembly, positioning the bore of the flange assembly essentially coinciding with the passage of the well head thereby inserting the cable connector into the bore and attaching the flange assembly to the well head thereby.Type: ApplicationFiled: May 16, 2012Publication date: August 7, 2014Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventor: Erling Kleppa
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Publication number: 20140130893Abstract: A shear valve (1) for use in a downhole tool between the annulus and tubing in a well comprises an outer housing (11) and an internal body (13) movable in a longitudinal direction within the housing when the valve is activated, and at least one obstruction device (16, 10) which can be arranged to obstruct the internal body from moving. The obstruction device is capable of being deactivated by pressure from the tubing side of the valve.Type: ApplicationFiled: March 15, 2012Publication date: May 15, 2014Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventors: Kristian Harestad, Helge Skorve, Magnar Tveiten
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Patent number: 8701779Abstract: The invention relates to a valve device that is used in oil and gas wells. The valve device has an external housing (1), where at least one inlet (4) in the housing (1) is connected to an outlet (5) through a longitudinal bore in the housing longitudinal direction. Between the valve device's inlet and outlet there is mounted a valve seat (2) in the bore, where a valve body (3) shuts off the connection between the inlet and outlet. The valve body's position is controlled by a support (20), connected with a pressure-sensitive bellows device (6) comprising an upper and a lower bellows element (7, 71). When the lower bellows element is compressed in the valve device's axial direction, the compression will cause the two bellows elements'impact elements to be moved relative each other in order to lift the valve body out of abutment with the valve seat.Type: GrantFiled: March 13, 2009Date of Patent: April 22, 2014Assignee: Petroleum Technology Company ASInventors: Erling Kleppa, Øyvind Stokka, Ole Sevheim
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Patent number: 8684073Abstract: Present invention regards a device for injection and stimulation of fluids in a wellbore, where the device is typically is installed in Christmas trees, wellheads or subsea. The device comprises two separable sections, where the section that is mounted/arranged within the Christmas tree or wellhead, will remain in a closed position even if the other section due to external forces is broken off or in other ways is damaged.Type: GrantFiled: February 10, 2009Date of Patent: April 1, 2014Assignee: Petroleum Technology Company ASInventors: Ole Sevheim, Øyvind Stokka, Erling Kleppa, Magnar Tveiten
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Patent number: 8640776Abstract: The present invention regards a device designed for injection of fluids in a well bore, typically an offshore well bore for petroleum production and gas injection/gas lift system for fluid injection. The device comprises a outer hollow housing (1) with an internal body (2) moveable within the outer housing (1) with an internal bore (3) which in a first closed position is closed with a metal to metal seal system between the outer housing (1) and the internal body (2), which internal body (2) is operated by pressure differential across the internal body (2), where the internal body (2) is designed with slots (4) forming outlets of the internal bore (3) which in an open position of the device is positioned outside of the outer housing (1).Type: GrantFiled: May 25, 2012Date of Patent: February 4, 2014Assignee: Petroleum Technology Company ASInventors: Magnar Tveiten, Øyvind Stokka, Erling Kleppa, Tom Norland
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Publication number: 20130291961Abstract: The present invention relates to a valve (1) comprising at least one flange portion (2, 3) for securing to a wellhead Christmas tree (5) for shutting off a pipe outlet (50) from the wellhead Christmas tree (5). According to the invention at least one of the flange portions (2) comprises integrated devices (6a, 6b, 6, 14, 15) for operation of a second unit (10) mounted outside the valve (1).Type: ApplicationFiled: February 14, 2011Publication date: November 7, 2013Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventors: Magnar Tveiten, Erling Kleppa, Øyvind Stokka
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Publication number: 20130206424Abstract: A valve device for use in a side pocket and/or sub in a well, having a housing (1) with a first port (2) and a second port (3), a first valve body (11) movably mounted internally in the housing(1), a second valve body (20) mounted internally in the housing (1) and movable relative to both the housing (1) and the first valve body (11), where a first locking device (A) is configured between the first valve body (11) and the second valve body (20) in order to lock the movement of the first valve body (11) relative to the second valve body (20) in one direction and in such a manner that when the first locking device (A) is activated, the first valve body (11) is held in an open position as long as the second valve body (20) is in an open position.Type: ApplicationFiled: February 15, 2011Publication date: August 15, 2013Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventors: Erling Kleppa, Ståle Pettersen, Ole Sevheim, Øyvind Stokka
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Publication number: 20130133896Abstract: The present invention regards a device designed for injection of fluids in a well bore, typically an offshore well bore for petroleum production and gas injection/gas lift system for fluid injection. The device comprises a outer hollow housing (1) with an internal body (2) moveable within the outer housing (1) with an internal bore(3) which in a first closed position is closed with a metal to metal seal system between the outer housing (1) and the internal body (2), which internal body (2) is operated by pressure differential across the internal body (2), where the internal body (2) is designed with slots (4) forming outlets of the internal bore (3) which in an open position of the device is positioned outside of the outer housing (1).Type: ApplicationFiled: May 25, 2012Publication date: May 30, 2013Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventors: Magnar Tveiten, Øyvind Stokka, Erling Kleppe, Tom Norland
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Publication number: 20130027215Abstract: The present invention relates to an apparatus for monitoring physical parameters in an oil and/or gas well, the apparatus being connectable to a wellhead of the oil and/or gas well. The apparatus comprises a flange assembly configured with a through bore and an end termination, in which through bore a sensor and associated electronics are arranged. The sensor, including a first electronic circuitry, is connected to a second electronic circuitry via transmission devices that are passed through a pressure-tight element arranged in the through bore. The invention also relates to a wellhead for use with an oil and/or gas well with a plurality of casings defining a plurality of annili. The wellhead is configured with a plurality of through-holes, each leading into a respective annulus of the well, and each through-hole is connected to an apparatus as mentioned above.Type: ApplicationFiled: January 26, 2011Publication date: January 31, 2013Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventor: Erling Kleppa
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Publication number: 20130025845Abstract: The present invention relates to a kick over tool (5) for manipulating and installing devices into and removing devices from a side pocket mandrel (2), where the kick over tool is designed to enable multiple operations in the same run. The kick over tool comprises a tubular carrier housing (6) adapted for passage through a full opening bore of a production string, at least a first and second setting device (8,9) that is arranged in said carrier housing, the first and second setting device being pivotally connected to a first and second articulated linkage mechanism (12,13) comprising a coupling device for the well bore device.Type: ApplicationFiled: December 7, 2010Publication date: January 31, 2013Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventors: Erling Kleppa, Ståle Pettersen
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Publication number: 20120305235Abstract: The present invention relates to a tool for installation of units in connection with oil wells, comprising a housing (1) with an attachment device (12) for attachment to a well installation, a telescopic device (30, 31, 32) for extension of the tool, a torsional force transmission device (13) for rotation of an internal movable element (2) of the tool. According to the invention the internal movable element (2) comprises a pressure face (21), which in an operative condition is exposed to a well pressure and a counter-pressure face (22), with a sealing arrangement (26) between the housing (1) and the internal movable element (2) provided between these pressure faces (21, 22) and devices (23) which are arranged in such a manner that a pressure can be applied to the counter-pressure face.Type: ApplicationFiled: January 26, 2011Publication date: December 6, 2012Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventors: Stâle Pettersen, Erling Kleppa, Trond Kvasnes
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Publication number: 20120305256Abstract: The present invention relates to a valve system for use in a wellbore, the system comprising a side pocket mandrel and one or more well tools, where the side pocket mandrel (6) comprises an elongated body section (7) provided with connection means (8) at its ends, the elongated body section (7) being provided with a substantially fully open main bore (9) for alignment with the well tubing (3) and an offset side pocket bore (10).Type: ApplicationFiled: February 16, 2011Publication date: December 6, 2012Applicant: PETROLEUM TECHNOLOGY COMPANY ASInventors: Magnar Tveiten, Erling Kleppa, Øyvind Stokka, Ole Sevheim
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Patent number: 8291981Abstract: The present invention regards a device designed for injection of fluids in a well bore, typically an offshore well bore for petroleum production and gas injection/gas lift system for fluid injection. The device comprises a outer hollow housing with an internal body moveable within the outer housing which in a first closed position is closed with a metal to metal seal system between the outer housing and the internal body, which internal body is operated by pressure differential across the internal body. The internal movable body is connected to the outer hollow housing by means of a retainer key. The retainer key comprises a shear arrangement and is arranged to keep the valve in a fixed closed position, where fluid pressure is to overcome the pretension of the retainer key in order to open the device. When the device is shear opened, it can be kept in this open position as the retainer key is locked to the outer hollow housing.Type: GrantFiled: September 9, 2008Date of Patent: October 23, 2012Assignee: Petroleum Technology Company ASInventors: Magnar Tveiten, Øyvind Stokka, Erling Kleppa, Tom Norland, Ole Sevheim