Patents by Inventor Rune Johan Magnus Mattsson
Rune Johan Magnus Mattsson 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: 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: 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: 9274241Abstract: Disclosed are methods and systems for suppression of noise in electromagnetic surveying that includes stacking two or more frames of electromagnetic data. An example embodiment discloses a method for suppressing swell-induced noise in an electromagnetic survey, comprising: measuring an electromagnetic field parameter at one or more positions to provide an electromagnetic signal, the electromagnetic signal comprising a swell-induced portion; and stacking two or more frames of the electromagnetic signal to provide a stacked signal in which the swell-induced portion is suppressed, wherein the swell-induced portion is out of phase between the two or more frames.Type: GrantFiled: March 14, 2013Date of Patent: March 1, 2016Assignee: PGS Geophysical ASInventors: Ulf Peter Lindqvist, Andras Robert Juhasz, Rune Johan Magnus Mattsson, Lars Erik Magnus Björnemo
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Publication number: 20150241585Abstract: A sensor streamer stretch section includes at least one spring. A means for coupling the spring at each end to at least one of a sensor streamer and a lead in cable is included. A cable is coupled at its ends to the means for coupling. The cable is capable of carrying at least one of electrical and optical signals. The cable is formed such that the cable undergoes substantially no axial strain when the shock cord is elongated. An adjustable damper is coupled between the means for coupling at each end of the stretch section.Type: ApplicationFiled: May 11, 2015Publication date: August 27, 2015Applicant: PGS GEOPHYSICAL ASInventors: Andras Robert Juhasz, Gustav Göran Mattias Südow, Rune Johan Magnus Mattsson, Ulf Peter Lindqvist
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Patent number: 9057798Abstract: A sensor streamer stretch section includes at least one spring. A means for coupling the spring at each end to at least one of a sensor streamer and a lead in cable is included. A cable is coupled at its ends to the means for coupling. The cable is capable of carrying at least one of electrical and optical signals. The cable is formed such that the cable undergoes substantially no axial strain when the shock cord is elongated. An adjustable damper is coupled between the means for coupling at each end of the stretch section.Type: GrantFiled: November 7, 2011Date of Patent: June 16, 2015Assignee: PGS Geophysical ASInventors: Andras Robert Juhasz, Gustav Göran Mattias Südow, Rune Johan Magnus Mattsson, Ulf Peter Lindqvist
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Patent number: 8896313Abstract: Disclosed is an electromagnetic receiver assembly for marine electromagnetic surveying, the electromagnetic receiver assembly comprising an elongated housing and receiver electrodes mounted at separate points along the elongated housing. An embodiment may include an electromagnetic receive assembly that includes an elongated housing, wherein the elongated housing defines an interior chamber. The electromagnetic receiver assembly may further include receiver electrodes configured to be in contact with water when in operation, wherein the receiver electrodes are mounted at separate points along the elongated housing. The electromagnetic receiver assembly may further include sensor electronics disposed in the interior chamber and electrically coupled to the receiver electrodes. The electromagnetic receiver assembly may be configured for deployment on or near a bottom of a body of water.Type: GrantFiled: March 15, 2012Date of Patent: November 25, 2014Assignee: PGS Geophyiscal ASInventors: Ulf Peter Lindqvist, Gustav Goran Mattias Sudow, Andras Robert Juhasz, Rune Johan Magnus Mattsson, Carl Joel Gustav Skogman, Lars Erik Magnus Bjornemo
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Publication number: 20140266216Abstract: Disclosed are methods and systems for suppression of noise in electromagnetic surveying that includes stacking two or more frames of electromagnetic data. An example embodiment discloses a method for suppressing swell-induced noise in an electromagnetic survey, comprising: measuring an electromagnetic field parameter at one or more positions to provide an electromagnetic signal, the electromagnetic signal comprising a swell-induced portion; and stacking two or more frames of the electromagnetic signal to provide a stacked signal in which the swell-induced portion is suppressed, wherein the swell-induced portion is out of phase between the two or more frames.Type: ApplicationFiled: March 14, 2013Publication date: September 18, 2014Inventors: Ulf Peter Lindqvist, Andras Robert Juhasz, Rune Johan Magnus Mattsson, Lars Erik Magnus Bjornemo
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Publication number: 20130241559Abstract: Disclosed is an electromagnetic receiver assembly for marine electromagnetic surveying, the electromagnetic receiver assembly comprising an elongated housing and receiver electrodes mounted at separate points along the elongated housing. An embodiment may include an electromagnetic receive assembly that includes an elongated housing, wherein the elongated housing defines an interior chamber. The electromagnetic receiver assembly may further include receiver electrodes configured to be in contact with water when in operation, wherein the receiver electrodes are mounted at separate points along the elongated housing. The electromagnetic receiver assembly may further include sensor electronics disposed in the interior chamber and electrically coupled to the receiver electrodes. The electromagnetic receiver assembly may be configured for deployment on or near a bottom of a body of water.Type: ApplicationFiled: March 15, 2012Publication date: September 19, 2013Applicant: PGS GEOPHYSICAL ASInventors: Ulf Peter Lindqvist, Gustav Goran Mattias Sudow, Andras Robert Juhasz, Rune Johan Magnus Mattsson, Carl Joel Gustav Skogman, Lars Erik Magnus Bjornemo
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Patent number: 8472281Abstract: 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 exceeds a selected threshold.Type: GrantFiled: March 30, 2010Date of Patent: June 25, 2013Assignee: PGS Geophysical ASInventors: Gustav Göran Mattias Südow, Ulf Peter Lindqvist, Andras Robert Juhasz, Rune Johan Magnus Mattsson
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Publication number: 20130114374Abstract: A sensor streamer stretch section includes at least one spring. A means for coupling the spring at each end to at least one of a sensor streamer and a lead in cable is included. A cable is coupled at its ends to the means for coupling. The cable is capable of carrying at least one of electrical and optical signals. The cable is formed such that the cable undergoes substantially no axial strain when the shock cord is elongated. An adjustable damper is coupled between the means for coupling at each end of the stretch section.Type: ApplicationFiled: November 7, 2011Publication date: May 9, 2013Applicant: PGS Geophysical ASInventors: Andras Robert Juhasz, Gustav Göran Mattias Südow, Rune Johan Magnus Mattsson, Ulf Peter Lindqvist
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Publication number: 20120182017Abstract: A method for modeling conductivity distribution in a formation below a body of water includes measuring electromagnetic response of the formation with an electromagnetic survey system; measuring at least one of water conductivity, water dielectric constant, and water temperature with respect to depth in the water; generating an initial model of conductivity distribution of the formation; discretizing the measurements of at least one of water conductivity, water dielectric constant, and water temperature with respect to depth into at least one layer; generating a forward model of a response of the electromagnetic survey system to the initial model and the discretized measurements; comparing the forward model to the measured electromagnetic response to determine differences; adjusting the initial model to reduce the differences; and repeating generating a forward model, comparing the forward model to the measured electromagnetic response, and adjusting the initial model until the differences fall below a selectType: ApplicationFiled: January 14, 2011Publication date: July 19, 2012Inventors: Rune Johan Magnus Mattsson, Gustav Göran Mattias Südow
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Publication number: 20120113746Abstract: 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: ApplicationFiled: January 19, 2012Publication date: May 10, 2012Inventors: Gustav Göran Mattias Südow, Ulf Peter Lindqvist, Andras Robert Juhasz, Rune Johan Magnus Mattsson
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Publication number: 20110291658Abstract: A method for electromagnetic surveying below the bottom of a body of water includes deploying a plurality of nodal recording devices in a selected pattern on the water bottom. An electromagnetic transmitter is towed in the water. At least one electromagnetic sensor streamer is concurrently towed in the water. The electromagnetic transmitter is actuated at selected times and signals detected by sensors in the nodal recording devices and in the at least one streamer are recorded.Type: ApplicationFiled: May 25, 2010Publication date: December 1, 2011Inventors: Carl Joel Gustav Skogman, Gustav Göran Mattias Südow, Ulf Peter Lindqvist, Andras Robert Juhasz, Rune Johan Magnus Mattsson, Lena Kristina Frenje Lund
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Publication number: 20110242940Abstract: 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 exceeds a selected threshold.Type: ApplicationFiled: March 30, 2010Publication date: October 6, 2011Inventors: Gustav Göran Mattias Südow, Ulf Peter Lindqvist, Andras Robert Juhasz, Rune Johan Magnus Mattsson
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Publication number: 20110205839Abstract: A method for operating a geophysical sensor streamer in body of water includes operating a remotely operated vehicle coupled to a forward end of the streamer to tow the streamer in the water. Signals generate by sensors on the streamer are communicated substantially in real time to a recording unit on a survey vessel using at least one of electrical and optical cables in an umbilical cable connecting the remotely operable vehicle to the survey vessel.Type: ApplicationFiled: February 24, 2010Publication date: August 25, 2011Inventors: Gustav Göran Mattias Südow, Ulf Peter Lindqvist, Andras Robert Juhasz, Rune Johan Magnus Mattsson, Stig Rune Lennart Tenghamn
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Patent number: 7834632Abstract: A receiver streamer system for marine electromagnetic surveying includes a first streamer, and a second streamer disposed substantially parallel to and spaced apart from the first streamer. A first pair of electrodes is associated with the first streamer and a second pair of electrodes is associated with the second streamer. Each of the first and second pairs of electrodes is functionally associated with a voltage measuring circuit configured to measure voltage along an inline direction. At least one electrode on each of the first and second streamers is configured and associated with a voltage measuring circuit to make voltage measurements in a cross-line direction.Type: GrantFiled: December 3, 2007Date of Patent: November 16, 2010Assignee: PGS Geophysical ASInventors: Stig Rune Lennart Tenghamn, Eivind Fromyr, Marit Ronaess, Rune Johan Magnus Mattsson, Ulf Peter Lindqvist, Lena Kristina Frenje Lund, Anders Göran Mattsson, Toril Margrethe Bruun Vaage
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Patent number: 7737698Abstract: A detector for a marine electromagnetic survey system includes a housing arranged to minimize turbulence when the housing is towed through a body of water, and to minimize motion of the housing in any direction other than the tow direction. The housing includes at least one of an electric field and a magnetic field sensing element associated therewith.Type: GrantFiled: September 13, 2006Date of Patent: June 15, 2010Assignee: PGS Geophysical ASInventors: Stig Rune Lennart Tenghamn, Rune Johan Magnus Mattsson, Peter Gunnar Krylstedt, Mattias Fredrik Karlsson, Ulf Peter Lindqvist, Per Anders Davidsson
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Publication number: 20090140741Abstract: A receiver streamer system for marine electromagnetic surveying includes a first streamer, and a second streamer disposed substantially parallel to and spaced apart from the first streamer. A first pair of electrodes is associated with the first streamer and a second pair of electrodes is associated with the second streamer. Each of the first and second pairs of electrodes is functionally associated with a voltage measuring circuit configured to measure voltage along an inline direction. At least one electrode on each of the first and second streamers is configured and associated with a voltage measuring circuit to make voltage measurements in a cross-line direction.Type: ApplicationFiled: December 3, 2007Publication date: June 4, 2009Inventors: Stig Rune Lennart Tenghamn, Eivind Fromyr, Marit Ronaess, Rune Johan Magnus Mattsson, Ulf Peter Lindqvist, Lena Kristina Frenje Lund, Anders Goran Mattsson, Toril Margrethe Bruun Vaage
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Publication number: 20070229083Abstract: A detector for a marine electromagnetic survey system includes a housing arranged to minimize turbulence when the housing is towed through a body of water, and to minimize motion of the housing in any direction other than the tow direction. The housing includes at least one of an electric field and a magnetic field sensing element associated therewith.Type: ApplicationFiled: September 13, 2006Publication date: October 4, 2007Inventors: Stig Rune Lennart Tenghamn, Rune Johan Magnus Mattsson, Peter Gunnar Krylstedt, Mattias Fredrik Karlsson, Ulf Peter Lindqvist, Per Anders Davidsson