Patents by Inventor Mattias Südow
Mattias Südow has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20210270607Abstract: Roll data can be acquired from a magnetometer and an accelerometer of a towed object telemetry unit coupled to a towed object during rolls of the towed object in two or more different headings. The magnetometer can be calibrated based on the roll data. Turn data can be acquired from the magnetometer and the accelerometer during a turn of the towed object from a first heading to a second heading. The magnetometer can be further calibrated based on the turn data.Type: ApplicationFiled: May 19, 2021Publication date: September 2, 2021Applicant: PGS Geophysical ASInventor: Mattias Südow
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Patent number: 11041720Abstract: Roll data can be acquired from a magnetometer and an accelerometer of a towed object telemetry unit coupled to a towed object during rolls of the towed object in two or more different headings. The magnetometer can be calibrated based on the roll data. Turn data can be acquired from the magnetometer and the accelerometer during a turn of the towed object from a first heading to a second heading. The magnetometer can be further calibrated based on the turn data.Type: GrantFiled: December 7, 2017Date of Patent: June 22, 2021Assignee: PGS Geophysical ASInventor: Mattias Südow
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Patent number: 11029433Abstract: An apparatus can include a base assembly and a pivot assembly coupled to the base assembly. The apparatus can include a carriage coupled to the pivot assembly. The carriage can be shaped to receive a compass streamer telemetry unit (CSTU). The carriage can be configured to secure the CSTU. The pivot assembly can be rotatably coupled to the base assembly to adjust a pitch of the carriage. The carriage can be rotatably coupled to the pivot assembly to adjust roll of the carriage.Type: GrantFiled: December 8, 2017Date of Patent: June 8, 2021Assignee: PGS Geophysical ASInventors: Matthew Eric Lyssy, Mattias Südow, Toralf Lund, Andre Stenzel
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Publication number: 20200033503Abstract: Alternating current (AC) coupled accelerometer calibration can include acquiring calibrated data from a direct current (DC) coupled accelerometer of a towed object and interpolating the acquired calibrated data to a location of an AC coupled accelerometer of the towed object. AC coupled accelerometer calibration can also include estimating a calibration parameter associated with the AC coupled accelerometer based on the interpolating and correcting for a sensitivity associated with the AC coupled accelerometer using the calibration parameter.Type: ApplicationFiled: February 23, 2018Publication date: January 30, 2020Applicant: PGS Geophysical ASInventors: Stian Hegna, Mattias Südow
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Patent number: 10067251Abstract: A system can include a head connector, a stress member connector, and a tail connector. The system can include a first plurality of stress members coupled to the head connector and to the stress member connector. The first plurality of stress members can enter through a first side of the stress member connector. The system can include a second plurality of stress members coupled to the tail connector and to the stress member connector. The second plurality of stress members can exit through a second side of the stress member connector. The second plurality of stress members can be axially nonaligned with the first plurality of stress member connectors.Type: GrantFiled: May 12, 2016Date of Patent: September 4, 2018Assignee: PGS Geophysical ASInventors: Mattias Südow, Clet Landry
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Patent number: 10031249Abstract: Disclosed are methods and systems for enabling anti-twist functionality in marine geophysical streamers. An embodiment discloses a method comprising: towing a streamer behind a survey vessel in a body of water, wherein the streamer comprises rotation sensors and streamer rotation devices; receiving data from at least one rotation sensor indicative of streamer twist; and rotating a portion of the streamer with at least one streamer rotation device to reduce the streamer twist based, at least in part on the data.Type: GrantFiled: August 22, 2016Date of Patent: July 24, 2018Assignee: PGS Geophysical ASInventors: Øyvind Hillesund, Gustav Goran Mattias Südow
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Publication number: 20180172863Abstract: An apparatus can include a base assembly and a pivot assembly coupled to the base assembly. The apparatus can include a carriage coupled to the pivot assembly. The carriage can be shaped to receive a compass streamer telemetry unit (CSTU). The carriage can be configured to secure the CSTU. The pivot assembly can be rotatably coupled to the base assembly to adjust a pitch of the carriage. The carriage can be rotatably coupled to the pivot assembly to adjust roll of the carriage.Type: ApplicationFiled: December 8, 2017Publication date: June 21, 2018Applicant: PGS Geophysical ASInventors: Matthew Eric Lyssy, Mattias Südow, Toralf Lund, Andre Stenzel
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Publication number: 20180164097Abstract: Roll data can be acquired from a magnetometer and an accelerometer of a towed object telemetry unit coupled to a towed object during rolls of the towed object in two or more different headings. The magnetometer can be calibrated based on the roll data. Turn data can be acquired from the magnetometer and the accelerometer during a turn of the towed object from a first heading to a second heading. The magnetometer can be further calibrated based on the turn data.Type: ApplicationFiled: December 7, 2017Publication date: June 14, 2018Applicant: PGS Geophysical ASInventor: Mattias Südow
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Publication number: 20180143335Abstract: This disclosure is related to the field of streamers. In one embodiment, a streamer may include a group of particle motion sensors. In some embodiments, at least two of the particle motion sensors in the group are movable relative to one another within the streamer, and the two particle motion sensors are configured to measure motion along a particular axis. In some embodiments, the streamer may additionally include a plurality of pressure sensors.Type: ApplicationFiled: January 19, 2018Publication date: May 24, 2018Inventors: Mattias Südow, Geir Andre Motzfeldt Drange, Øyvind Hillesund
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Patent number: 9932093Abstract: Disclosed are methods and systems for controlling spread and/or depth in a geophysical survey. An embodiment discloses a submersible deflector, comprising: an upper portion comprising an upper fin section and upper foils disposed below the upper fin section, wherein at least one slot is defined between the upper foils; and a lower portion coupled to the upper portion and disposed below the upper portion, wherein the lower portion comprises a lower fin section and lower foils disposed above the lower fin section, wherein at least one slot is defined between the lower foils. Also disclosed are marine geophysical survey systems and methods of performing geophysical surveys.Type: GrantFiled: October 9, 2015Date of Patent: April 3, 2018Assignee: PGS Geophysical ASInventors: Mattias Südow, Martin Austad, Kenneth Karlsen, Bergur Vinther, Jan-Allen Muller, Claus Clausen Petersen
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Patent number: 9910063Abstract: Included are methods and systems for marine geophysical surveying. A system includes a streamer; a sensor package coupled to the streamer, wherein the sensor package comprises a primary orientation sensor and a complimentary orientation sensor, wherein the complimentary orientation sensor comprises a magnetometer, wherein the primary orientation sensor and the complimentary orientation sensor are capable of collecting data indicative of the orientation of the streamer; and geophysical sensors distributed on the streamer.Type: GrantFiled: February 9, 2016Date of Patent: March 6, 2018Assignee: PGS Geophysical ASInventors: Gustav Göran Mattias Südow, Stian Hegna
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Patent number: 9874647Abstract: This disclosure is related to the field of streamers. In one embodiment, a streamer may include a group of particle motion sensors. In some embodiments, at least two of the particle motion sensors in the group are movable relative to one another within the streamer, and the two particle motion sensors are configured to measure motion along a particular axis. In some embodiments, the streamer may additionally include a plurality of pressure sensors.Type: GrantFiled: June 27, 2014Date of Patent: January 23, 2018Assignee: PGS Geophysical ASInventors: Mattias Südow, Geir Andre Motzfeldt Drange, Øyvind Hillesund
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Patent number: 9798029Abstract: A sensor streamer stretch section. At least some of the example embodiments are methods including measuring at least one parameter related to noise while towing the sensor streamer through a body of water with a towing vessel, and adjusting at least one of a spring constant and a damping coefficient of a stretch section disposed proximate the sensor streamer such that the measured parameter is minimized.Type: GrantFiled: May 11, 2015Date of Patent: October 24, 2017Assignee: PGS Geophysical ASInventors: Andras Robert Juhasz, Gustav Göran Mattias Südow, Rune Johan Magnus Mattsson, Ulf Peter Lindqvist
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Patent number: 9778036Abstract: Electromagnetic streamer cables and methods of use. Example systems include: a first electrode, the first electrode at a first location along the streamer cable; a second electrode at a second location along the streamer cable; a first sensor module electrically coupled to the first electrode and second electrode, the first sensor module configured to measure a voltage across the first and second electrodes; a third electrode at a third location between the first and second electrodes; a fourth electrode at a fourth location along the streamer cable, the fourth location distal to the second location; and a second sensor module electrically coupled to the third electrode and fourth electrode, the second sensor module configured to measure a voltage across the third and fourth electrodes.Type: GrantFiled: May 20, 2014Date of Patent: October 3, 2017Assignee: PGS Geophysical ASInventors: Robert Juhasz, U. Peter Lindqvist, Gustav Göran Mattias Südow
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Patent number: 9733377Abstract: Depth and tilt control systems for geophysical sensor streamers and methods of use are discussed. Such systems may include a plurality of tilt sensors disposed at spaced apart locations along the geophysical sensor streamer, each tilt sensor having a first tilt sensing element arranged to measure tilt of the geophysical sensor streamer proximate the associated spaced apart location, a plurality of LFD control devices, each disposed proximate one of the tilt sensors along the geophysical sensor streamer, and a plurality of microcontrollers, each microcontroller in signal communication with at least one of the LFD control devices and its associated tilt sensor, wherein each microcontroller is capable of utilizing the tilt measured by the associated tilt sensor to selectively operate the associated LFD control device to cause the geophysical sensor streamer to align with a selected depth profile.Type: GrantFiled: January 27, 2015Date of Patent: August 15, 2017Assignee: PGS Geophysical, A.S.Inventors: Gustav Göran Mattias Südow, Ulf Peter Lindqvist, Andras Robert Juhasz
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Patent number: 9663192Abstract: A method for towing marine geophysical sensor streamers in a body of water includes moving a towing vessel at a selected speed along the surface of the body of water. At least one geophysical sensor streamer is towed by the vessel at a selected depth in the water. A velocity of the streamer in the water is measured at at least one position along the streamer. The selected speed of the towing vessel is adjusted if the measured velocity is outside of a selected range.Type: GrantFiled: January 19, 2012Date of Patent: May 30, 2017Assignee: PGS Geophysical ASInventors: Gustav Göran Mattias Südow, Ulf Peter Lindqvist, Andras Robert Juhasz, Rune Johan Magnus Mattsson
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Patent number: 9632197Abstract: A method and apparatus for generating an electromagnetic (EM) field from a sub-sea source is disclosed. In one embodiment, a sub-sea source includes a step-down transformer coupled to receive a sinusoidal source wave via a tow cable, and is further coupled to output a sinusoidal wave to a silicon-controlled rectifier (SCR) circuit. A control circuit coupled to the SCR circuit is configured to selectively activate various ones of the SCRs therein in order to control a portion of the sinusoidal wave that is rectified. The output current provided by the SCR is determined by the portion of the sinusoidal wave that is rectified thereby. The output current is provided to electrodes coupled to the sub-sea source, and the output current is passed therebetween. The strength of the EM field is based on the output current.Type: GrantFiled: March 6, 2013Date of Patent: April 25, 2017Assignee: PGS Geophysical ASInventors: Philip Heelan, Oliver Peppe, Mattias Südow
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Patent number: 9568493Abstract: Disclosed are methods and systems for calibration of an accelerometer used in a geophysical sensor while deployed in the water. An embodiment may include towing a streamer behind a survey vessel in a body of water, wherein the streamer comprises an accelerometer; causing at least a portion of the streamer to twist; receiving data from the accelerometer at a selected plurality of times during the twist; and based at least in part on the data, determining at least one calibration parameter of the accelerometer.Type: GrantFiled: May 30, 2014Date of Patent: February 14, 2017Assignee: PGS Geophysical ASInventor: Gustav Goran Mattias Südow
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Publication number: 20170010376Abstract: Disclosed are methods and systems for enabling anti-twist functionality in marine geophysical streamers. An embodiment discloses a method comprising: towing a streamer behind a survey vessel in a body of water, wherein the streamer comprises rotation sensors and streamer rotation devices; receiving data from at least one rotation sensor indicative of streamer twist; and rotating a portion of the streamer with at least one streamer rotation device to reduce the streamer twist based, at least in part on the data.Type: ApplicationFiled: August 22, 2016Publication date: January 12, 2017Applicant: PGS Geophysical ASInventors: Øyvind Hillesund, Gustav Goran Mattias Südow
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Publication number: 20160377750Abstract: A system can include a head connector, a stress member connector, and a tail connector. The system can include a first plurality of stress members coupled to the head connector and to the stress member connector. The first plurality of stress members can enter through a first side of the stress member connector. The system can include a second plurality of stress members coupled to the tail connector and to the stress member connector. The second plurality of stress members can exit through a second side of the stress member connector. The second plurality of stress members can be axially nonaligned with the first plurality of stress member connectors.Type: ApplicationFiled: May 12, 2016Publication date: December 29, 2016Applicant: PGS Geophysical ASInventors: Mattias Südow, Clet Landry