Enhancing coherency analysis for fault detection and mapping using 3D diffraction imaging

J. Vermeulen; B. Gurevich; M. Urosevic; E. Landa

Enhancing coherency analysis for fault detection and mapping using 3D diffraction imaging

J. Vermeulen^*, B. Gurevich, M. Urosevic, E. Landa

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Automatic detection of geological discontinuities such as small throw faults, and pinch-outs is an important problem in the interpretation of 3D seismic data. This is commonly done using coherency analysis. However coherency may be affected by noise, which may create false anomalies. We propose a new interpretation workflow for the detection and mapping of faults, which enhances the coherency-type analysis with identification and detection of diffractions produced by the discontinuities. The algorithm utilizes migrated and unmigrated stacked seismic volumes and the cube of stacking (NMO) velocities. Tests on a simple 2.5 D model show that the method is capable in detecting and mapping of faults below seismic resolution.

Original language	English
Title of host publication	Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006
Publisher	Society of Exploration Geophysicists
Pages	1108-1112
Number of pages	5
ISBN (Print)	9781604236972
State	Published - 2018
Externally published	Yes
Event	Society of Exploration Geophysicists International Exposition and 76tth Annual Meeting 2006, SEG 2006 - New Orleans, United States Duration: 1 Oct 2006 → 6 Oct 2006

Publication series

Name	Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006

Conference

Conference	Society of Exploration Geophysicists International Exposition and 76tth Annual Meeting 2006, SEG 2006
Country/Territory	United States
City	New Orleans
Period	1/10/06 → 6/10/06

Cite this

Vermeulen, J., Gurevich, B., Urosevic, M., & Landa, E. (2018). Enhancing coherency analysis for fault detection and mapping using 3D diffraction imaging. In Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006 (pp. 1108-1112). (Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006). Society of Exploration Geophysicists.

Vermeulen, J. ; Gurevich, B. ; Urosevic, M. et al. / Enhancing coherency analysis for fault detection and mapping using 3D diffraction imaging. Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006. Society of Exploration Geophysicists, 2018. pp. 1108-1112 (Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006).

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title = "Enhancing coherency analysis for fault detection and mapping using 3D diffraction imaging",

abstract = "Automatic detection of geological discontinuities such as small throw faults, and pinch-outs is an important problem in the interpretation of 3D seismic data. This is commonly done using coherency analysis. However coherency may be affected by noise, which may create false anomalies. We propose a new interpretation workflow for the detection and mapping of faults, which enhances the coherency-type analysis with identification and detection of diffractions produced by the discontinuities. The algorithm utilizes migrated and unmigrated stacked seismic volumes and the cube of stacking (NMO) velocities. Tests on a simple 2.5 D model show that the method is capable in detecting and mapping of faults below seismic resolution.",

author = "J. Vermeulen and B. Gurevich and M. Urosevic and E. Landa",

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language = "אנגלית",

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series = "Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006",

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Vermeulen, J, Gurevich, B, Urosevic, M & Landa, E 2018, Enhancing coherency analysis for fault detection and mapping using 3D diffraction imaging. in Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006. Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006, Society of Exploration Geophysicists, pp. 1108-1112, Society of Exploration Geophysicists International Exposition and 76tth Annual Meeting 2006, SEG 2006, New Orleans, United States, 1/10/06.

Enhancing coherency analysis for fault detection and mapping using 3D diffraction imaging. / Vermeulen, J.; Gurevich, B.; Urosevic, M. et al.
Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006. Society of Exploration Geophysicists, 2018. p. 1108-1112 (Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - Automatic detection of geological discontinuities such as small throw faults, and pinch-outs is an important problem in the interpretation of 3D seismic data. This is commonly done using coherency analysis. However coherency may be affected by noise, which may create false anomalies. We propose a new interpretation workflow for the detection and mapping of faults, which enhances the coherency-type analysis with identification and detection of diffractions produced by the discontinuities. The algorithm utilizes migrated and unmigrated stacked seismic volumes and the cube of stacking (NMO) velocities. Tests on a simple 2.5 D model show that the method is capable in detecting and mapping of faults below seismic resolution.

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Vermeulen J, Gurevich B, Urosevic M, Landa E. Enhancing coherency analysis for fault detection and mapping using 3D diffraction imaging. In Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006. Society of Exploration Geophysicists. 2018. p. 1108-1112. (Society of Exploration Geophysicists - SEG International Exposition and 76tth Annual Meeting 2006, SEG 2006).

Enhancing coherency analysis for fault detection and mapping using 3D diffraction imaging

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