Patents by Inventor Kenneth Karlsen
Kenneth Karlsen 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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Patent number: 10459116Abstract: Disposable antifouling covers for geophysical survey equipment. At least of example embodiments are methods including deploying marine geophysical survey equipment. The deploying may include: installing a disposable antifouling cover of plastic material on a portion of the marine geophysical survey equipment, wherein the disposable antifouling cover occludes a majority of an exterior surface of the portion of the marine geophysical survey equipment; and placing the marine geophysical survey equipment in a body of water.Type: GrantFiled: August 31, 2016Date of Patent: October 29, 2019Assignee: PGS Geophysical ASInventor: Kenneth Karlsen
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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: 9897713Abstract: A hydrodynamic foil system for a sensor streamer array includes towing equipment coupled to a survey vessel. The towing equipment includes at least one spreader cable extending substantially transversely to a direction of motion of the survey vessel. A plurality of laterally spaced apart sensor streamers is coupled at respective forward ends thereof to the towing equipment. A plurality of foils disposed on the spreader cable, the foils configured to provide hydrodynamic lift in a vertical direction as the at least one spreader cable is moved through the water. The foils are each rotatable about the spreader cable.Type: GrantFiled: June 2, 2015Date of Patent: February 20, 2018Assignee: Petroleum Geo-Services, Inc.Inventors: Erling Vågeskar, Kenneth Karlsen
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Publication number: 20160370497Abstract: Disposable antifouling covers for geophysical survey equipment. At least of example embodiments are methods including deploying marine geophysical survey equipment. The deploying may include: installing a disposable antifouling cover of plastic material on a portion of the marine geophysical survey equipment, wherein the disposable antifouling cover occludes a majority of an exterior surface of the portion of the marine geophysical survey equipment; and placing the marine geophysical survey equipment in a body of water.Type: ApplicationFiled: August 31, 2016Publication date: December 22, 2016Applicant: PGS Geophysical ASInventor: Kenneth Karlsen
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Patent number: 9465127Abstract: Disposable antifouling covers for geophysical survey equipment. At least of example embodiments are methods including deploying marine geophysical survey equipment. The deploying may include: installing a disposable antifouling cover of plastic material on a portion of the marine geophysical survey equipment, wherein the disposable antifouling cover occludes a majority of an exterior surface of the portion of the marine geophysical survey equipment; and placing the marine geophysical survey equipment in a body of water.Type: GrantFiled: September 19, 2013Date of Patent: October 11, 2016Assignee: PGS Geophysical ASInventor: Kenneth Karlsen
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Patent number: 9442210Abstract: Disclosed are methods and systems for towing multiple source cables with spreader lines coupled to the source cables using open collars. An example system for multi-cable towing may comprise a plurality of source cables coupled to a survey vessel. The example system may further comprise a plurality of energy sources, wherein each o the energy sources is coupled to a respective one of the source cables. The example system may further comprise a plurality of spreader lines extending between the source cables. The example system may further comprise a plurality of open collars coupling the spreader lines to the source cables, wherein the open collars are slidably coupled to the source cables.Type: GrantFiled: November 30, 2012Date of Patent: September 13, 2016Assignee: PGS Geophysical ASInventors: Kenneth Karlsen, Knut Johan Røssberg
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Publication number: 20160031529Abstract: 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: ApplicationFiled: October 9, 2015Publication date: February 4, 2016Applicant: PGS GEOPHYSICAL ASInventors: Mattias Südow, Martin Austad, Kenneth Karlsen, Bergur Vinther, Jan-Allen Muller, Claus Clausen Petersen
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Patent number: 9188691Abstract: 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: July 2, 2012Date of Patent: November 17, 2015Assignee: PGS Geophysical ASInventors: Mattias Südow, Martin Austad, Kenneth Karlsen, Bergur Vinther, Jan-Allan Muller, Claus Clausen Petersen
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Publication number: 20150268366Abstract: A hydrodynamic foil system for a sensor streamer array includes towing equipment coupled to a survey vessel. The towing equipment includes at least one spreader cable extending substantially transversely to a direction of motion of the survey vessel. A plurality of laterally spaced apart sensor streamers is coupled at respective forward ends thereof to the towing equipment. A plurality of foils disposed on the spreader cable, the foils configured to provide hydrodynamic lift in a vertical direction as the at least one spreader cable is moved through the water. The foils are each rotatable about the spreader cable.Type: ApplicationFiled: June 2, 2015Publication date: September 24, 2015Inventors: Erling Vågeskar, Kenneth Karlsen
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Patent number: 9075165Abstract: A hydrodynamic foil system for a sensor streamer array includes at least two tow ropes each coupled at one end to a survey vessel and at the other end to a paravane. the paravanes configured to provide lateral outward force as the vessel and paravanes are moved through a body of water. A spreader cable is coupled to each of the paravanes. A plurality of laterally spaced apart sensor streamers coupled at forward ends thereof to the spreader cable. A plurality of foils is disposed on the spreader cables. The foils configured to provide hydrodynamic lift in a vertical direction as the spreader cables are moved through the water.Type: GrantFiled: November 3, 2009Date of Patent: July 7, 2015Assignee: PGS Geophysical ASInventors: Erling Vageskar, Kenneth Karlsen
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Patent number: 8976623Abstract: Disclosed are methods and systems for controlling spread and/or depth in a geophysical survey. An embodiment discloses a method for geophysical surveying, comprising: towing two streamers laterally spaced apart through a body of water at a depth of at least about 25 meters, each of the streamers comprising geophysical sensors disposed thereon at spaced apart locations; maintaining lateral separation of at least about 150 meters between the two streamers using at least two submersible deflectors, the two submersible deflectors being individually coupled to one of the two streamers; and detecting signals using the two geophysical sensors while the two streamers are towed at the depth of at least about 25 meters.Type: GrantFiled: July 5, 2011Date of Patent: March 10, 2015Assignee: POS Geophysical ASInventors: Mattias Südow, Martin Austad, Kenneth Karlsen
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Patent number: 8960117Abstract: Techniques are disclosed relating to using a remote operated vehicle (ROV) to facilitate cleaning of a submerged geophysical equipment (e.g., a streamer) being towed behind a tow vessel. The ROV may, in one embodiment, attach a streamer cleaning unit (SCU) to the streamer, where the SCU is configured to clean the streamer. In another embodiment, the ROV may facilitate cleaning by cleaning the streamer itself using a cleaning attachment coupled to the ROV.Type: GrantFiled: September 7, 2012Date of Patent: February 24, 2015Assignee: PGS Geophysical ASInventors: Einar Nielsen, Kenneth Karlsen, Rune Tønnessen, Erling Vageskar, Jan Terje Rodseth, Arnt M. Bjorno
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Publication number: 20140334258Abstract: Disposable antifouling covers for geophysical survey equipment. At least of example embodiments are methods including deploying marine geophysical survey equipment. The deploying may include: installing a disposable antifouling cover of plastic material on a portion of the marine geophysical survey equipment, wherein the disposable antifouling cover occludes a majority of an exterior surface of the portion of the marine geophysical survey equipment; and placing the marine geophysical survey equipment in a body of water.Type: ApplicationFiled: September 19, 2013Publication date: November 13, 2014Applicant: PGS Geophysical ASInventor: Kenneth Karlsen
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Patent number: 8875722Abstract: A streamer cleaning device includes a plurality of cleaning modules affixed to a main frame in angularly spaced apart orientation. At least one cleaning module includes a drive wheel rotationally coupled to a cleaning element. At least one cleaning module includes a guide mounted thereon. The guide is configured to deflect devices mounted on the streamer out of a path traversed by the cleaning modules. At least one of the cleaning modules comprises a device for conversion of motion of water past the at least one cleaning module into rotational energy to drive the drive wheel thereon.Type: GrantFiled: March 2, 2011Date of Patent: November 4, 2014Assignee: PGS Geophysical ASInventors: Kenneth Karlsen, Erling Vaageskar, Jon Tore Saetre, Anders Brevik, Peter Magnus Skarbø, Øyvind Overskeid
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Publication number: 20140153361Abstract: Disclosed are methods and systems for towing multiple source cables with spreader lines coupled to the source cables using open collars. An example system for multi-cable towing may comprise a plurality of source cables coupled to a survey vessel. The example system may further comprise a plurality of energy sources, wherein each o the energy sources is coupled to a respective one of the source cables. The example system may further comprise a plurality of spreader lines extending between the source cables. The example system may further comprise a plurality of open collars coupling the spreader lines to the source cables, wherein the open collars are slidably coupled to the source cables.Type: ApplicationFiled: November 30, 2012Publication date: June 5, 2014Applicant: PGS Geophysical ASInventors: Kenneth Karlsen, Knut Johan Røssberg
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Publication number: 20140069313Abstract: Techniques are disclosed relating to using a remote operated vehicle (ROV) to facilitate cleaning of a submerged geophysical equipment (e.g., a streamer) being towed behind a tow vessel. The ROV may, in one embodiment, attach a streamer cleaning unit (SCU) to the streamer, where the SCU is configured to clean the streamer. In another embodiment, the ROV may facilitate cleaning by cleaning the streamer itself using a cleaning attachment coupled to the ROV.Type: ApplicationFiled: September 7, 2012Publication date: March 13, 2014Inventors: Einar Nielsen, Kenneth Karlsen, Rune Tonnessen, Erling Vageskar, Jan Terje Rodseth, Arnt M. Bjorno
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Patent number: 8575938Abstract: A marine electromagnetic receiver cable includes a plurality of signal processing modules disposed at spaced apart locations along the receiver cable. A power supply line is connected to each of the signal processing modules and to an electric current source. A current regulation device is connected in the power supply line proximate each signal processing module. The current regulation devices are connected such that an amount of current flowing through the power supply line is substantially constant. At least one electromagnetic receiver is functionally coupled to an input of each signal processing module.Type: GrantFiled: April 20, 2010Date of Patent: November 5, 2013Assignee: PGS Geophysical ASInventors: Kenneth Karlsen, Ulf Peter Lindqvist
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Publication number: 20130010571Abstract: 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: ApplicationFiled: July 2, 2012Publication date: January 10, 2013Applicant: PGS GEOPHYSICAL ASInventors: Mattias Südow, Martin Austad, Kenneth Karlsen, Bergur Vinther, Jan-Allan Muller, Claus Clausen Petersen
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Publication number: 20130010570Abstract: Disclosed are methods and systems for controlling spread and/or depth in a geophysical survey. An embodiment discloses a method for geophysical surveying, comprising: towing two streamers laterally spaced apart through a body of water at a depth of at least about 25 meters, each of the streamers comprising geophysical sensors disposed thereon at spaced apart locations; maintaining lateral separation of at least about 150 meters between the two streamers using at least two submersible deflectors, the two submersible deflectors being individually coupled to one of the two streamers; and detecting signals using the two geophysical sensors while the two streamers are towed at the depth of at least about 25 meters.Type: ApplicationFiled: July 5, 2011Publication date: January 10, 2013Applicant: PGS GEOPHYSICAL ASInventors: Mattias Südow, Martin Austad, Kenneth Karlsen
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Publication number: 20120222709Abstract: A streamer cleaning device includes a plurality of cleaning modules affixed to a main frame in angularly spaced apart orientation. At least one cleaning module includes a drive wheel rotationally coupled to a cleaning element. At least one cleaning module includes a guide mounted thereon. The guide is configured to deflect devices mounted on the streamer out of a path traversed by the cleaning modules. At least one of the cleaning modules comprises a device for conversion of motion of water past the at least one cleaning module into rotational energy to drive the drive wheel thereon.Type: ApplicationFiled: March 2, 2011Publication date: September 6, 2012Inventors: Kenneth Karlsen, Erling Vaageskar, Jon Tore Saetre, Anders Brevik, Peter Magnus Skarbe, Øyvind Overskeid