Patents by Inventor Øyvind Hillesund
Øyvind Hillesund 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: 9423519Abstract: In the field of marine geophysical surveying, systems and methods for controlling the spatial distribution or orientation of a geophysical sensor streamer or an array of geophysical sensor streamers towed behind a survey vessel are provided. Various techniques for changing the spatial distribution or orientation of such geophysical sensor streamers in response to changing conditions are provided. For example, crosscurrent conditions may be determined based on configuration data received from positioning devices along the length of a streamer, and a new desired orientation for the streamer may be determined based on the crosscurrent conditions. The new desired orientation may include a new desired feather angle for the streamer.Type: GrantFiled: March 14, 2013Date of Patent: August 23, 2016Assignee: PGS Geophysical ASInventors: Øyvind Hillesund, Torbjørn Ursin, Toralf Lund
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Patent number: 9377545Abstract: An apparatus is disclosed that includes a solid-core streamer with particle motion sensors disposed within the solid core. Some embodiments may additionally include one or more pressure sensors that are disposed outside of the solid core. In some embodiments, the apparatus may also include one or more electromagnetic sensors. Also disclosed are various methods of operating an apparatus that includes a streamer with particle motion sensors disposed within the solid core of the streamer.Type: GrantFiled: February 21, 2014Date of Patent: June 28, 2016Assignee: PGS Geophysical ASInventors: Mattias Südow, Jon Magnus Sorli, Øyvind Hillesund
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Patent number: 9207340Abstract: A seismic streamer includes at least one elongated strength member. The seismic streamer further includes a substantially rigid sensor holder coupled to the strength member and fixed in position relative to the strength member. The streamer includes at least one particle motion sensor coupled to the sensor holder and fixed in position relative to the sensor holder.Type: GrantFiled: December 26, 2008Date of Patent: December 8, 2015Assignee: PGS Geophysical ASInventors: Andre Stenzel, Øyvind Hillesund, Nils Lunde, Stian Hegna
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Publication number: 20150138919Abstract: A method for towing a streamer array includes moving a vessel along a body of water. Streamers are towed by vessel. A relative position is determined at selected points along each streamer with respect to the vessel. At least one of the streamers is deflected at at least one longitudinal position along the streamer in response to the determined positions to maintain the streamers in a selected geometry. The selected geometry is related to one of survey vessel heading, energy source trajectory, previously plotted sensor trajectory and a lateral separation related to distance from the towing vessel.Type: ApplicationFiled: January 26, 2015Publication date: May 21, 2015Inventors: Øyvind Hillesund, Nils Lunde
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Publication number: 20150121124Abstract: Streamer redundancy. At least some illustrative embodiments are methods including: in a streamer towed by a survey vessel, sensing a first interconnection of a daisy chain the first interconnection between a first networked unit and a second networked unit, wherein the first networked unit and the second networked unit comprise a portion of a plurality of networked units; and determining that a fault condition exists on the first interconnection in response to the sensing; disabling the first interconnection responsive to the fault condition; enabling a second interconnection responsive to the fault condition, wherein the second interconnection couples the first networked unit and a third networked unit of the plurality of networked units and wherein the second interconnection does not couple to the second networked unit; and reporting information indicative of the fault condition to the survey vessel via the second networked unit.Type: ApplicationFiled: February 10, 2014Publication date: April 30, 2015Applicant: PGS Geophysical ASInventors: Øyvind Hillesund, Geir Andre Motzfeldt Drange
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Publication number: 20150085609Abstract: In a first embodiment the invention comprises a method for gathering geophysical data, including towing geophysical data gathering equipment behind a survey vessel in a body of water, said equipment including an array of sensor streamers extending behind said vessel, and determining a geodetic location of a streamer steering reference point at a forward end of the sensor streamers and a reference direction. At least one sensor streamer included in said array of sensor streamers is laterally deflected in response to the determined geodetic location of said streamer steering reference point and the determined reference direction.Type: ApplicationFiled: July 28, 2014Publication date: March 26, 2015Inventors: Øyvind Hillesund, Stian Hegna
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Patent number: 8976622Abstract: A method for towing a streamer array includes moving a vessel along a body of water. Streamers are towed by vessel. A relative position is determined at selected points along each streamer with respect to the vessel. At least one of the streamers is deflected at least one longitudinal position along the streamer in response to the determined positions to maintain the streamers in a selected geometry. The selected geometry is related to one of survey vessel heading, energy source trajectory, previously plotted sensor trajectory and a lateral separation related to distance from the towing vessel.Type: GrantFiled: March 24, 2009Date of Patent: March 10, 2015Assignee: PGS Geophysical ASInventors: Øyvind Hillesund, Nils Lunde
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Publication number: 20150063063Abstract: 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: June 27, 2014Publication date: March 5, 2015Inventors: Mattias Südow, Geir Andre Motzfeldt Drange, Øyvind Hillesund
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Publication number: 20150016217Abstract: 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: December 31, 2013Publication date: January 15, 2015Applicant: PGS Geophysical ASInventors: Øyvind Hillesund, Gustav Goran Mattias Südow
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Publication number: 20140254314Abstract: An apparatus is disclosed that includes a solid-core streamer with particle motion sensors disposed within the solid core. Some embodiments may additionally include one or more pressure sensors that are disposed outside of the solid core. In some embodiments, the apparatus may also include one or more electromagnetic sensors. Also disclosed are various methods of operating an apparatus that includes a streamer with particle motion sensors disposed within the solid core of the streamer.Type: ApplicationFiled: February 21, 2014Publication date: September 11, 2014Applicant: PGS Geophysical ASInventors: Mattias Südow, Jon Magnus Sorli, Øyvind Hillesund
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Patent number: 8792297Abstract: In a first embodiment the invention comprises a method for gathering geophysical data, including towing geophysical data gathering equipment behind a survey vessel in a body of water, said equipment including an array of sensor streamers extending behind said vessel, and determining a geodetic location of a streamer steering reference point at a forward end of the sensor streamers and a reference direction. At least one sensor streamer included in said array of sensor streamers is laterally deflected in response to the determined geodetic location of said streamer steering reference point and the determined reference direction.Type: GrantFiled: July 2, 2010Date of Patent: July 29, 2014Assignee: PGS Geophysical ASInventors: Øyvind Hillesund, Stian Hegna
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Patent number: 8737164Abstract: A method for towing a streamer array includes moving a vessel along a body of water. Streamers are towed by vessel. A relative position is determined at selected points along each streamer with respect to the vessel. At least one of the streamers is deflected at least one longitudinal position along the streamer in response to the determined positions to maintain the streamers in a selected geometry. The selected geometry is related to one of survey vessel heading, energy source trajectory, previously plotted sensor trajectory and a lateral separation related to distance from the towing vessel.Type: GrantFiled: March 24, 2009Date of Patent: May 27, 2014Assignee: PGS Geophysical ASInventors: Øyvind Hillesund, Nils Lunde
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Patent number: 8553490Abstract: A marine seismic streamer includes at least one particle motion sensor array. The array includes a plurality of particle motion sensors disposed at spaced apart locations along the streamer. Outputs of the particle motion sensors are functionally coupled to form an array. A number of the particle motion sensors and a spacing between adjacent particle motion sensors are selected to attenuate noise in a selected mode of propagation and within a selected wavenumber range. The streamer includes means for weighting a signal output of each particle motion sensor in the at least one array. A signal weight applied to each sensor by the means for weighting is selected to optimize attenuation of the noise.Type: GrantFiled: November 9, 2007Date of Patent: October 8, 2013Assignee: PGS Geophysical ASInventors: Øyvind Hillesund, Hocine Tabti
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Publication number: 20120081995Abstract: A method for marine geophysical surveying according to one aspect of the invention includes towing at least one geophysical sensor streamer in a body of water. The streamer includes a plurality of spaced apart electromagnetic field receivers disposed at spaced apart locations along the streamer. The streamer also includes a plurality of seismic sensors disposed at spaced apart locations. The seismic sensors each include at least one pressure responsive receiver and at least one particle motion responsive receiver. At selected times, a seismic energy source is actuated in the water. Particle motion and pressure seismic signals, and electromagnetic field signals are detected at the respective receivers.Type: ApplicationFiled: December 12, 2011Publication date: April 5, 2012Inventors: Øyvind HILLESUND, Nils Lunde
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Patent number: 8098542Abstract: A method for marine geophysical surveying according to one aspect of the invention includes towing at least one geophysical sensor streamer in a body of water. The streamer includes a plurality of spaced apart electromagnetic field receivers disposed at spaced apart locations along the streamer. The streamer also includes a plurality of seismic sensors disposed at spaced apart locations. The seismic sensors each include at least one pressure responsive receiver and at least one particle motion responsive receiver. At selected times, a seismic energy source is actuated in the water. Particle motion and pressure seismic signals, and electromagnetic field signals are detected at the respective receivers.Type: GrantFiled: January 5, 2009Date of Patent: January 17, 2012Assignee: PGS Geophysical ASInventors: Øyvind Hillesund, Nils Lunde
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Publication number: 20120002502Abstract: In a first embodiment the invention comprises a method for gathering geophysical data, including towing geophysical data gathering equipment behind a survey vessel in a body of water, said equipment including an array of sensor streamers extending behind said vessel, and determining a geodetic location of a streamer steering reference point at a forward end of the sensor streamers and a reference direction. At least one sensor streamer included in said array of sensor streamers is laterally deflected in response to the determined geodetic location of said streamer steering reference point and the determined reference direction.Type: ApplicationFiled: July 2, 2010Publication date: January 5, 2012Inventors: Øyvind Hillesund, Stian Hegna
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Patent number: 7881159Abstract: A seismic streamer includes at least one array of sensors each disposed in a sensor holder at longitudinally spaced apart locations. A longitudinal orientation of at least one sensor or at least one sensor holder is different from that of the other sensors along the length of the array.Type: GrantFiled: December 18, 2006Date of Patent: February 1, 2011Assignee: PGS Geophysical ASInventors: Stian Hegna, Øyvind Hillesund