Patents Assigned to Spectraseis AG
-
Patent number: 8451685Abstract: A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A reverse-time data process is applied to the synchronized array measurements to obtain a plurality of dynamic particle parameters associated with subsurface locations. These dynamic particle parameters are stored in a form for display. Maximum values of the dynamic particle parameters may be interpreted as reservoir locations. The dynamic particle parameters may be particle displacement values, particle velocity values, particle acceleration values or particle pressure values. The sensors may be three-component sensors. Zero-phase frequency filtering of different ranges of interest may be applied. The data may be resampled to facilitate efficient data processing.Type: GrantFiled: September 25, 2011Date of Patent: May 28, 2013Assignee: Spectraseis AGInventors: Erik Saenger, Brian Steiner, Stefan Schmalholz
-
Patent number: 8358561Abstract: A method of locating subsurface hydrocarbon reservoirs includes acquiring seismic data, extracting seismic data attributes from the seismic data, calculating exemplar data group probability density function values using distribution values associated with the seismic attributes and applying Bayesian inversion to determine the likelihood of subsurface hydrocarbons.Type: GrantFiled: April 13, 2010Date of Patent: January 22, 2013Assignee: Spectraseis AGInventors: Michael Carl Kelly, Nima Riahi, Martine Ruiz, Weiwei
-
Patent number: 8233350Abstract: A method and system of detecting and mapping a subsurface hydrocarbon reservoir includes acquiring seismic data having a plurality of components, applying a data transform to the seismic data to obtain seismic data spectral component maxima and maxima profiles, and recording the maxima or maxima profile in a form for display.Type: GrantFiled: August 29, 2008Date of Patent: July 31, 2012Assignee: Spectraseis AGInventors: Marc-André Lambert, Erik Hans Saenger, Stefan Schmalholz
-
Patent number: 8219320Abstract: A method and system for processing three component seismic data includes determining a covariance data matrix from three component seismic data for each of a plurality of time periods to obtain eigenvectors and eigenvalues. One or more seismic attributes are calculated from the eigenvectors and eigenvalues for each of a plurality of time periods. A stability measure is determined from the calculated seismic attribute for each of the plurality of time periods and stored for display.Type: GrantFiled: April 7, 2008Date of Patent: July 10, 2012Assignee: Spectraseis AGInventor: Erik Hans Saenger
-
Patent number: 8179740Abstract: A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A reverse-time data process is applied to the synchronized array measurements to obtain a plurality of dynamic particle parameters associated with subsurface locations. These dynamic particle parameters are stored in a form for display. Maximum values of the dynamic particle parameters may be interpreted as reservoir locations. The dynamic particle parameters may be particle displacement values, particle velocity values, particle acceleration values or particle pressure values. The sensors may be three-component sensors. Zero-phase frequency filtering of different ranges of interest may be applied. The data may be resampled to facilitate efficient data processing.Type: GrantFiled: September 25, 2011Date of Patent: May 15, 2012Assignee: Spectraseis AGInventors: Erik Saenger, Brian Steiner, Stefan Schmalholz
-
Publication number: 20120022791Abstract: A method and system of detecting and mapping a subsurface hydrocarbon reservoir includes determining ratio data for a plurality of orthogonal spectral components of naturally occurring low frequency background seismic data. The ratio data may be compared, plotted, contoured and displayed as a subsurface hydrocarbon reservoir map or a hydrocarbon potential map. The ratio data may represent a vertical spectral component of the seismic data over a horizontal spectral component of the seismic data. The subsurface hydrocarbon reservoir map may include contouring the ratio data over a geographical area associated with the seismic data.Type: ApplicationFiled: September 25, 2011Publication date: January 26, 2012Applicant: Spectraseis AGInventors: Yuri Podladchikov, Marc-André Lambert, Rodolphe Dewarrat, Stefan Schmalholz
-
Publication number: 20120014216Abstract: A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A reverse-time data process is applied to the synchronized array measurements to obtain a plurality of dynamic particle parameters associated with subsurface locations. These dynamic particle parameters are stored in a form for display. Maximum values of the dynamic particle parameters may be interpreted as reservoir locations. The dynamic particle parameters may be particle displacement values, particle velocity values, particle acceleration values or particle pressure values. The sensors may be three-component sensors. Zero-phase frequency filtering of different ranges of interest may be applied. The data may be resampled to facilitate efficient data processing.Type: ApplicationFiled: September 25, 2011Publication date: January 19, 2012Applicant: Spectraseis AGInventors: Erik Saenger, Brian Steiner, Stefan Schmalholz
-
Publication number: 20120014215Abstract: A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A reverse-time data process is applied to the synchronized array measurements to obtain a plurality of dynamic particle parameters associated with subsurface locations. These dynamic particle parameters are stored in a form for display. Maximum values of the dynamic particle parameters may be interpreted as reservoir locations. The dynamic particle parameters may be particle displacement values, particle velocity values, particle acceleration values or particle pressure values. The sensors may be three-component sensors. Zero-phase frequency filtering of different ranges of interest may be applied. The data may be resampled to facilitate efficient data processing.Type: ApplicationFiled: September 25, 2011Publication date: January 19, 2012Applicant: Spectraseis AGInventors: Erik Saenger, Brian Steiner, Stefan Schmalholz
-
Publication number: 20110292764Abstract: A method of locating subsurface hydrocarbon reservoirs includes acquiring seismic data, extracting seismic data attributes from the seismic data, calculating exemplar data group probability density function values using distribution values associated with the seismic attributes and applying Bayesian inversion to determine the likelihood of subsurface hydrocarbons.Type: ApplicationFiled: April 13, 2010Publication date: December 1, 2011Applicant: Spectraseis AGInventors: Michael Carl Kelly, Nima Riahi, Martine Ruiz, Weiwei
-
Patent number: 8068384Abstract: A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A reverse-time data process is applied to the synchronized array measurements to obtain a plurality of dynamic particle parameters associated with subsurface locations. These dynamic particle parameters are stored in a form for display. Maximum values of the dynamic particle parameters may be interpreted as reservoir locations. The dynamic particle parameters may be particle displacement values, particle velocity values, particle acceleration values or particle pressure values. The sensors may be three-component sensors. Zero-phase frequency filtering of different ranges of interest may be applied. The data may be resampled to facilitate efficient data processing.Type: GrantFiled: March 9, 2010Date of Patent: November 29, 2011Assignee: Spectraseis AGInventors: Erik Saenger, Brian Steiner, Stefan Schmalholz
-
Publication number: 20100157732Abstract: A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A reverse-time data process is applied to the synchronized array measurements to obtain a plurality of dynamic particle parameters associated with subsurface locations. These dynamic particle parameters are stored in a form for display. Maximum values of the dynamic particle parameters may be interpreted as reservoir locations. The dynamic particle parameters may be particle displacement values, particle velocity values, particle acceleration values or particle pressure values. The sensors may be three-component sensors. Zero-phase frequency filtering of different ranges of interest may be applied. The data may be resampled to facilitate efficient data processing.Type: ApplicationFiled: March 9, 2010Publication date: June 24, 2010Applicant: Spectraseis AGInventors: Erik Saenger, Brian Steiner, Stefan Schmalholz
-
Publication number: 20100161234Abstract: A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A reverse-time data process is applied to the synchronized array measurements to obtain a plurality of dynamic particle parameters associated with subsurface locations. These dynamic particle parameters are stored in a form for display. Maximum values of the dynamic particle parameters may be interpreted as reservoir locations. The dynamic particle parameters may be particle displacement values, particle velocity values, particle acceleration values or particle pressure values. The sensors may be three-component sensors. Zero-phase frequency filtering of different ranges of interest may be applied. The data may be resampled to facilitate efficient data processing.Type: ApplicationFiled: March 9, 2010Publication date: June 24, 2010Applicant: Spectraseis AGInventors: Erik Saenger, Brian Steiner, Stefan Schmalholz
-
Publication number: 20100161233Abstract: A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A reverse-time data process is applied to the synchronized array measurements to obtain a plurality of dynamic particle parameters associated with subsurface locations. These dynamic particle parameters are stored in a form for display. Maximum values of the dynamic particle parameters may be interpreted as reservoir locations. The dynamic particle parameters may be particle displacement values, particle velocity values, particle acceleration values or particle pressure values. The sensors may be three-component sensors. Zero-phase frequency filtering of different ranges of interest may be applied. The data may be resampled to facilitate efficient data processing.Type: ApplicationFiled: March 7, 2010Publication date: June 24, 2010Applicant: Spectraseis AGInventors: Erik Saenger, Brian Stainer, Stefan Schmalholz
-
Publication number: 20100153015Abstract: A method and system of detecting and mapping a subsurface hydrocarbon reservoir includes determining ratio data for a plurality of orthogonal spectral components of naturally occurring low frequency background seismic data. The ratio data may be compared, plotted, contoured and displayed as a subsurface hydrocarbon reservoir map or a hydrocarbon potential map. The ratio data may represent a vertical spectral component of the seismic data over a horizontal spectral component of the seismic data. The subsurface hydrocarbon reservoir map may include contouring the ratio data over a geographical area associated with the seismic data.Type: ApplicationFiled: February 23, 2010Publication date: June 17, 2010Applicant: Spectraseis AGInventors: Yuri Podladchikov, Marc-André Lambert, Rodolphe Dewarrat, Stefan Schmalholz
-
Patent number: 7729862Abstract: A method of locating subsurface hydrocarbon reservoirs includes acquiring seismic data, dividing the seismic data into time windows, applying a data transform to the seismic data having a plurality of components to obtain a smoothed frequency spectrum, selecting one or more local maxima and minima, determining a frequency product as a function of the maxima and minima in a form for display. Lower and higher ratio thresholds may be selected to further discriminate frequency product selection for display. A display or map of frequency products over a survey area may indicate the presence of subsurface fluid reservoirs.Type: GrantFiled: May 22, 2007Date of Patent: June 1, 2010Assignee: Spectraseis AGInventor: Rodolphe Dewarrat
-
Patent number: 7725265Abstract: A method and system of processing seismic data includes acquiring three-component seismic data and combining horizontal components of the three-component seismic data to obtain a merged horizontal component. Frequency spectra are determined for the acquired three-component seismic data. A ratio of a vertical component of the seismic data to the merged horizontal component is determined. A V/H integration-measure is obtained from the integration of the area bounded by a selected minimum-amplitude value and the amplitude values greater than the selected minimum-amplitude value and the V/H integration-measure is stored in a form for display.Type: GrantFiled: March 31, 2009Date of Patent: May 25, 2010Assignee: Spectraseis AGInventor: Erik Hans Saenger
-
Patent number: 7676326Abstract: A method and system of detecting and mapping a subsurface hydrocarbon reservoir includes determining ratio data for a plurality of orthogonal spectral components of naturally occurring low frequency background seismic data. The ratio data may be compared, plotted, contoured and displayed as a subsurface hydrocarbon reservoir map or a hydrocarbon potential map. The ratio data may represent a vertical spectral component of the seismic data over a horizontal spectral component of the seismic data. The subsurface hydrocarbon reservoir map may include contouring the ratio data over a geographical area associated with the seismic data.Type: GrantFiled: June 2, 2007Date of Patent: March 9, 2010Assignee: Spectraseis AGInventors: Yuri Podladchikov, Marc-André Lambert, Rodolphe Dewarrat, Stefan Schmalholz
-
Patent number: 7675815Abstract: A method and system for processing synchronous array seismic data includes acquiring synchronous passive seismic data from a plurality of sensors to obtain synchronized array measurements. A reverse-time data process is applied to the synchronized array measurements to obtain a plurality of dynamic particle parameters associated with subsurface locations. These dynamic particle parameters are stored in a form for display. Maximum values of the dynamic particle parameters may be interpreted as reservoir locations. The dynamic particle parameters may be particle displacement values, particle velocity values, particle acceleration values or particle pressure values. The sensors may be three-component sensors. Zero-phase frequency filtering of different ranges of interest may be applied. The data may be resampled to facilitate efficient data processing.Type: GrantFiled: January 22, 2008Date of Patent: March 9, 2010Assignee: Spectraseis AGInventors: Erik Saenger, Brian Steiner, Stefan Schmalholz
-
Patent number: 7590491Abstract: A method and system of processing seismic data includes acquiring seismic data, determining a frequency spectrum for the seismic data and determining an amplitude value associated with a local minimum frequency from the frequency spectrum to obtain an IZ minimum-amplitude value and a minimum frequency range limit. A maximum frequency range limit is determined and an integration measure is determined from an integration of the area bounded by the IZ minimum-amplitude value and the amplitude values between the minimum frequency range limit and the maximum frequency range limit. The integration-measure is stored for display.Type: GrantFiled: July 2, 2007Date of Patent: September 15, 2009Assignee: Spectraseis AGInventor: Erik Hans Saenger
-
Publication number: 20090175126Abstract: A method and system of detecting and mapping a subsurface hydrocarbon reservoir includes acquiring seismic data having a plurality of components, applying a data transform to the seismic data to obtain seismic data spectral component maxima and maxima profiles, and recording the maxima or maxima profile in a form for display.Type: ApplicationFiled: August 29, 2008Publication date: July 9, 2009Applicant: Spectraseis AGInventors: Marc-Andre Lambert, Erik Hans Saenger, Stefan Schmalholz