# US 10,371,843 B2 · Detecting structural and stratigraphic information from seismic data > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,371,843 B2 - Document ID: US10371843B2 - Status: Granted - Kind: B2 - Application number: 15/638,341 - Filed: 2017-06-29 - Published: 2017-12-21 - Granted: 2019-08-06 - Earliest claimed: 2011-03-25 - Assignees: Fairfield Industries Incorporated - Applicants: Fairfield Industries Incorporated - Inventors: Adam Gersztenkorn - Web page: https://patentgrep.com/patent/US10371843B2 ## CPC - G01V 1/307: {for determining seismic attributes, e.g. amplitude, instantaneous phase or frequency, reflection strength or polarity} - G01V 1/28: Processing seismic data, e.g. for interpretation or for event detection (G01V1/48 takes precedence) - G01V 1/364: {Seismic filtering (G01V1/37 takes precedence)} - G01V 2210/20: Trace signal pre-filtering to select, remove or transform specific events or signal components, i.e. trace-in/trace-out - G01V 2210/23: Wavelet filtering - G01V 2210/48: Other transforms - G01V 2210/63: Seismic attributes, e.g. amplitude, polarity, instant phase - G01V 2210/64: Geostructures, e.g. in 3D data cubes - G01V 2210/74: Visualisation of seismic data - G01V: GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B29/02) ## Abstract The present disclosure relates to a method of processing seismic signals comprising: receiving a set of seismic signals, applying a wavelet transformation to the set of signals and generating transformed signals across a plurality of scales. Then for each scale determining coherence information indicative of the transformed signals and generating a comparison matrix comparing the transformed signals, then outputting seismic attribute information based on combined coherence information. ## Claims ### Claim 1 A system to detect hydrocarbon deposits, comprising: at least one memory that stores seismic signal traces obtained from a seismic survey of a land surface or a seabed; one or more processors in communication with the at least one memory, the one or more processors to: receive, from the at least one memory, the seismic signal traces; transform, via a wavelet transformation, the seismic signal traces to transformed signals at each of a plurality of scales; determine scale dependent coherence information comprising a scale dependent covariance matrix indicative of a coherence of the transformed signals at a respective scale of the plurality of scales for each of the plurality of scales of the transformed signals; generate combined information from the scale dependent coherence information for each of the plurality of scales of the transformed signals; identify seismic attribute information based on at least one of an amplitude or a phase of the combined information; generate one or more images from the seismic attribution information that indicate stratigraphic information and a presence of a hydrocarbon deposit corresponding to the land surface or the seabed; and provide, for display on a display unit in communication with the one or more processors, the one or more images to cause the display unit to display the one or more images. ### Claim 2 (depends on 1) The system of claim 1, comprising the one or more processors to: create a seismic map with the one or more images. ### Claim 3 (depends on 1) The system of claim 1, comprising the one or more processors to: create a topographical image with the one or more images that indicates the stratigraphic information and a presence of a hydrocarbon deposit. ### Claim 4 (depends on 1) The system of claim 1, comprising the one or more processors to: generate, for each of the plurality of scales, a comparison matrix that compares the transformed signals; and determine the seismic attribute information based on the comparison matrix. ### Claim 5 (depends on 1) The system of claim 1, comprising the one or more processors to: generate, for each of the plurality of scales, a comparison matrix that compares a pair of the transformed signals; determine direction dependent comparison information based on the comparison matrix; and determine the seismic attribute information based on at least one of an amplitude or a phase of the direction dependent comparison information. ### Claim 6 (depends on 1) The system of claim 1, comprising the one or more processors to: determine direction dependent comparison information; and output, for display on the display unit, the seismic attribute information based on the direction dependent comparison information. ### Claim 7 (depends on 1) The system of claim 1, comprising the one or more processors to: generate the combined information by application of a filter to the scale dependent coherence information. ### Claim 8 (depends on 1) The system of claim 1, comprising the one or more processors to: use a grid to identify the seismic attribute information. ### Claim 9 (depends on 1) The system of claim 1, comprising the one or more processors to: use a directed graph to identify the seismic attribute information. ### Claim 10 A method of detecting hydrocarbon deposits, comprising: receiving, by a computer comprising one or more processors, from memory, seismic signal traces obtained from a seismic survey of a land surface or a seabed; transforming, by the computer, via a wavelet transformation, the seismic signal traces to transformed signals at each of a plurality of scales; determining, by the computer, scale dependent coherence information for each of the plurality of scales of the transformed signals; generating, by the computer, combined information from the scale dependent coherence information for each of the plurality of scales of the transformed signals; identifying, by the computer, seismic attribute information based on at least one of an amplitude or a phase of the combined information; generating, by the computer for each of the plurality of scales, a comparison matrix that compares the transformed signals; determining, by the computer, the seismic attribute information based on the comparison matrix; generating, by the computer, one or more images from the seismic attribution information that indicate stratigraphic information corresponding to the land surface or the seabed; and providing, for output by a printer in communication with the computer, the one or more images to cause the printer to print the one or more images. ### Claim 11 (depends on 10) The method of claim 10, comprising: determining, for each of the plurality of scales, the scale dependent coherence information comprising a scale dependent covariance matrix indicative of a coherence of the transformed signals at a respective scale of the plurality of scales. ### Claim 12 (depends on 10) The method of claim 10, comprising: creating a seismic map with the one or more images. ### Claim 13 (depends on 10) The method of claim 10, comprising: creating a topographical image with the one or more images that indicates the stratigraphic information and a presence of a hydrocarbon deposit. ### Claim 14 (depends on 10) The method of claim 10, comprising: generating, for each of the plurality of scales, the comparison matrix that compares a pair of the transformed signals; determining direction dependent comparison information based on the comparison matrix; and determining the seismic attribute information based on at least one of an amplitude or a phase of the direction dependent comparison information. ### Claim 15 (depends on 10) The method of claim 10, comprising: determining direction dependent comparison information; and providing, to the printer for printing, the one or more images comprising the seismic attribute information based on the direction dependent comparison information. ### Claim 16 (depends on 10) The method of claim 10, comprising: generating the combined information by application of a filter to the scale dependent coherence information. ### Claim 17 (depends on 10) The method of claim 10, comprising: using a grid to identify the seismic attribute information. ### Claim 18 A system to detect hydrocarbon deposits, comprising: at least one memory that stores seismic signal traces obtained from a seismic survey of a land surface or a seabed; one or more processors in communication with the at least one memory, the one or more processors to: receive, from the at least one memory, the seismic signal traces; transform, via a wavelet transformation, the seismic signal traces to transformed signals at each of a plurality of scales; determine scale dependent coherence information for each of the plurality of scales of the transformed signals; generate combined information from the scale dependent coherence information for each of the plurality of scales of the transformed signals; identify seismic attribute information based on at least one of an amplitude or a phase of the combined information; generate one or more images from the seismic attribution information that indicate stratigraphic information and a presence of a hydrocarbon deposit corresponding to the land surface or the seabed; determine direction dependent comparison information; output, for display on the display unit, the seismic attribute information based on the direction dependent comparison information; and provide, for display on a display unit in communication with the one or more processors, the one or more images to cause the display unit to display the one or more images. ### Claim 19 (depends on 18) The system of claim 18, comprising the one or more processors to: generate, for each of the plurality of scales, a comparison matrix; and determine the seismic attribute information based on the comparison matrix. ### Claim 20 (depends on 18) The system of claim 18, comprising the one or more processors to: generate, for each of the plurality of scales, a comparison matrix; determine direction dependent comparison information based on the comparison matrix; and determine the seismic attribute information based on the direction dependent comparison information.