Patents by Inventor Bent Andreas Kjellesvig
Bent Andreas Kjellesvig 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).
-
Publication number: 20230333272Abstract: Various implementations directed to quality control and preconditioning of seismic data are provided. In one implementation, a method may include receiving particle motion data from particle motion sensors disposed on seismic streamers. The method may also include performing quality control (QC) processing on the particle motion data. The method may further include performing preconditioning processing on the QC-processed particle motion data. The method may additionally include attenuating noise in the preconditioning-processed particle motion data.Type: ApplicationFiled: June 26, 2023Publication date: October 19, 2023Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Patent number: 11733417Abstract: Various implementations directed to quality control and preconditioning of seismic data are provided. In one implementation, a method may include receiving particle motion data from particle motion sensors disposed on seismic streamers. The method may also include performing quality control (QC) processing on the particle motion data. The method may further include performing preconditioning processing on the QC-processed particle motion data. The method may additionally include attenuating noise in the preconditioning-processed particle motion data.Type: GrantFiled: January 27, 2020Date of Patent: August 22, 2023Assignee: WESTERNGECO L.L.C.Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Publication number: 20220091294Abstract: An invention that relates to streamers is described. These streamers contain one or more streamer sections. These sections can have sensors, channels, and/or analogue arrays of sensors are disposed along its length. At least one of these streamer sections has a variable density of sensors, channels, and/or analogue arrays along the length.Type: ApplicationFiled: January 14, 2020Publication date: March 24, 2022Inventors: Ali Özbek, Nicolas GOUJON, Susanne RENTSCH, Bent Andreas KJELLESVIG, Halvor Sehested GRØNAAS, Ahmet Kemal OZDEMIR, Leendert COMBEE
-
Publication number: 20200158901Abstract: Various implementations directed to quality control and preconditioning of seismic data are provided. In one implementation, a method may include receiving particle motion data from particle motion sensors disposed on seismic streamers. The method may also include performing quality control (QC) processing on the particle motion data. The method may further include performing preconditioning processing on the QC-processed particle motion data. The method may additionally include attenuating noise in the preconditioning-processed particle motion data.Type: ApplicationFiled: January 27, 2020Publication date: May 21, 2020Inventors: Ahmet KEMAL Ozdemir, Bent Andreas Kjellesvig
-
Patent number: 10578759Abstract: Various implementations directed to quality control and preconditioning of seismic data are provided. In one implementation, a method may include receiving particle motion data from particle motion sensors disposed on seismic streamers. The method may also include performing quality control (QC) processing on the particle motion data. The method may further include performing preconditioning processing on the QC-processed particle motion data. The method may additionally include attenuating noise in the preconditioning-processed particle motion data.Type: GrantFiled: February 10, 2015Date of Patent: March 3, 2020Assignee: WESTERNGECO L.L.C.Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Patent number: 10509139Abstract: A technique includes using a filter having filtering parameters based at least in part on a dispersion curve of at least one vibration mode of a streamer to filter a measurement acquired by at least one sensor of the streamer and using results of the filtering to suppress vibration noise present in the measurement.Type: GrantFiled: March 19, 2013Date of Patent: December 17, 2019Assignee: WESTERNGECO L.L.C.Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Patent number: 10353098Abstract: A technique includes spatially filtering a signal that is derived from a seismic acquisition. The filtering is associated with a filter length, and the filtering includes varying the filter length with frequency. The filtering may be used in connection with adaptive noise attenuation, which is applied to decomposed subbands. Furthermore, the filtering may be applied during the reconstruction of the signal from the subbands.Type: GrantFiled: June 19, 2014Date of Patent: July 16, 2019Assignee: WESTERNGECO L.L.C.Inventors: James Edward Martin, Ahmet Kemal Özdemir, Bent Andreas Kjellesvig, Ali Ozbek
-
Publication number: 20180136348Abstract: A seismic streamer in accordance to aspects of the disclosure includes an outer skin formed in a longitudinally extending tubular shape, an inner surface of the outer skin defining an internal volume, a strength member that extends through the internal volume in a direction parallel to that of the longitudinally extending tubular shape, a filler material disposed in the internal volume and a sensor housing located in the internal volume and internally disposing a seismic sensor.Type: ApplicationFiled: June 8, 2016Publication date: May 17, 2018Inventors: Fabien Guizelin, Susanne Rentsch-Smith, Bent Andreas Kjellesvig
-
Publication number: 20160356906Abstract: Various implementations directed to quality control and preconditioning of seismic data are provided. In one implementation, a method may include receiving particle motion data from particle motion sensors disposed on seismic streamers. The method may also include performing quality control (QC) processing on the particle motion data. The method may further include performing preconditioning processing on the QC-processed particle motion data. The method may additionally include attenuating noise in the preconditioning-processed particle motion data.Type: ApplicationFiled: February 10, 2015Publication date: December 8, 2016Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Patent number: 9128206Abstract: A technique includes decomposing a signal that is derived from a seismic acquisition into a plurality of signals such that each signal is associated with a different frequency band. For each signal of the plurality of signals, the technique includes performing the following: decomposing the signal into subbands in successive stages, where the subbands are associated with at least different frequency ranges of the signal; selectively applying adaptive noise attenuation in between the successive stages such that the stages decompose noise-attenuated subbands; and reconstructing the signal from the subbands resulting from the decomposition. The technique includes combining the reconstructed signals.Type: GrantFiled: December 23, 2010Date of Patent: September 8, 2015Assignee: WESTERNGECO L.L.C.Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Publication number: 20140369164Abstract: A technique includes spatially filtering a signal that is derived from a seismic acquisition. The filtering is associated with a filter length, and the filtering includes varying the filter length with frequency. The filtering may be used in connection with adaptive noise attenuation, which is applied to decomposed subbands. Furthermore, the filtering may be applied during the reconstruction of the signal from the subbands.Type: ApplicationFiled: June 19, 2014Publication date: December 18, 2014Inventors: JAMES EDWARD MARTIN, AHMET KEMAL ÖZDEMIR, BENT ANDREAS KJELLESVIG, ALI OZBEK
-
Publication number: 20140288841Abstract: A technique includes using a filter having filtering parameters based at least in part on a dispersion curve of at least one vibration mode of a streamer to filter a measurement acquired by at least one sensor of the streamer and using results of the filtering to suppress vibration noise present in the measurement.Type: ApplicationFiled: March 19, 2013Publication date: September 25, 2014Applicant: WESTERNGECO L.L.C.Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Patent number: 8773949Abstract: A technique includes spatially filtering a signal that is derived from a seismic acquisition. The filtering is associated with a filter length, and the filtering includes varying the filter length with frequency. The filtering may be used in connection with adaptive noise attenuation, which is applied to decomposed subbands. Furthermore, the filtering may be applied during the reconstruction of the signal from the subbands.Type: GrantFiled: November 3, 2009Date of Patent: July 8, 2014Assignee: WesternGeco L.L.C.Inventors: James Edward Martin, Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig, Ali Ozbek
-
Patent number: 8693282Abstract: A technique includes receiving seismic data acquired by seismic sensors; and processing the seismic data on a machine to deghost the data. The processing includes deghosting the seismic data using a first deghosting technique that relies on a ghost model; deghosting the seismic data using a second deghosting technique that is independent from any modeling of the ghost; and selectively combining the results of the deghosting using the first and second deghosting techniques.Type: GrantFiled: November 24, 2010Date of Patent: April 8, 2014Assignee: WesternGeco L.L.C.Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig, Philippe Bernard Albert Caprioli, Philip A. F. Christie, Julian Edward (Ed) Kragh
-
Patent number: 8639442Abstract: A method for processing seismic data. The method may include (1) receiving seismic data acquired by an ith seismic sensor of a plurality of seismic sensors and (2) determining an ith value to represent an ith power spectral density curve that corresponds to the seismic data. The method may then repeat steps (1)-(2) for each seismic sensor. The method may then include generating an expected value curve based on the ith value for each power spectral density curve. The method may then compare each ith value to the expected value curve and identify invalid seismic sensors based on the comparison. After identifying the invalid seismic sensors, the method may process the seismic data without seismic data acquired by the invalid seismic sensors to determine one or more locations of hydrocarbon deposits in subterranean geological formations.Type: GrantFiled: June 24, 2011Date of Patent: January 28, 2014Assignee: WesternGeco L.L.C.Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Publication number: 20120163122Abstract: A technique includes decomposing a signal that is derived from a seismic acquisition into a plurality of signals such that each signal is associated with a different frequency band. For each signal of the plurality of signals, the technique includes performing the following: decomposing the signal into subbands in successive stages, where the subbands are associated with at least different frequency ranges of the signal; selectively applying adaptive noise attenuation in between the successive stages such that the stages decompose noise-attenuated subbands; and reconstructing the signal from the subbands resulting from the decomposition. The technique includes combining the reconstructed signals.Type: ApplicationFiled: December 23, 2010Publication date: June 28, 2012Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Publication number: 20120130643Abstract: A method for processing seismic data. The method may include (1) receiving seismic data acquired by an ith seismic sensor of a plurality of seismic sensors and (2) determining an ith value to represent an ith power spectral density curve that corresponds to the seismic data. The method may then repeat steps (1)-(2) for each seismic sensor. The method may then include generating an expected value curve based on the ith value for each power spectral density curve. The method may then compare each ith value to the expected value curve and identify invalid seismic sensors based on the comparison. After identifying the invalid seismic sensors, the method may process the seismic data without seismic data acquired by the invalid seismic sensors to determine one or more locations of hydrocarbon deposits in subterranean geological formations.Type: ApplicationFiled: June 24, 2011Publication date: May 24, 2012Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Patent number: 8136383Abstract: To calibrate an accelerometer, a seismic cable that carries the accelerometer is rotated. Data measured by the accelerometer as the seismic cable is rotated is received, and at least one calibration parameter according to the received data is computed. The at least one calibration parameter is for use in calibrating the accelerometer.Type: GrantFiled: August 17, 2008Date of Patent: March 20, 2012Assignee: WesternGeco L.L.C.Inventors: Nicolas Goujon, Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig
-
Publication number: 20110292762Abstract: A technique includes receiving seismic data acquired by seismic sensors; and processing the seismic data on a machine to deghost the data. The processing includes deghosting the seismic data using a first deghosting technique that relies on a ghost model; deghosting the seismic data using a second deghosting technique that is independent from any modeling of the ghost; and selectively combining the results of the deghosting using the first and second deghosting techniques.Type: ApplicationFiled: November 24, 2010Publication date: December 1, 2011Inventors: Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig, Philippe Bernard Albert Caprioli, Philip A. F. Christie, Julian Edward (Ed) Kragh
-
Publication number: 20110103182Abstract: A technique includes spatially filtering a signal that is derived from a seismic acquisition. The filtering is associated with a filter length, and the filtering includes varying the filter length with frequency. The filtering may be used in connection with adaptive noise attenuation, which is applied to decomposed subbands. Furthermore, the filtering may be applied during the reconstruction of the signal from the subbands.Type: ApplicationFiled: November 3, 2009Publication date: May 5, 2011Inventors: James Edward Martin, Ahmet Kamal Ozdemir, Bent Andreas Kjellesvig, Ali Ozbek