Analysis of seismic data using horizontal cross‐sections

Bone, Marion R.; Giles, Ben F.; Tegland, Edward R.

doi:10.1190/1.1441540

GEOPHYSICS

1983

DOI: 10.1190/1.1441540

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Analysis of seismic data using horizontal cross‐sections

Marion R. Bone

Ben F. Giles

Edward R. Tegland³

Abstract: Three‐dimensional data provide the interpreter with a new dimension for interpretation: horizontal cross‐sections. This article suggests formats for the display of the data and techniques for deriving contour maps of horizons, strike directions, dip angles, thicknesses of formations, and fault blocks.

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Structural interpretation from horizontal seismic sections

Brown¹

1983

GEOPHYSICS

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The interpreter of a 3-D survey must utilize a data volume. Horizontal slices through a data volume, called Seiscrop™ sections, have unique properties and structural interpretation from them is fast, convenient, and effective. An event on a Seiscrop section displays local strike, a property which permits direct contouring of a structural surface without any timing and posting. The width of an event on a Seiscrop section is a composition of the frequency of the data and the structural dip. Event terminations indicate faults or other discontinuities when they are transverse to structural strike. Faults parallel to structural strike are much less evident on a single Seiscrop section but become apparent with the relative movement of events from section to section. In practical mapping, the interpreter normally contours one fault block before proceeding to the next with the correlation between them being established from the vertical sections. With dual polarity variable area displays, the interpreter can perceive five amplitude levels and normally picks the edge of a trough. With color amplitude Seiscrop sections, it is possible to pick on the crest of any event. With color phase sections, the interpreter can pick at any arbitrary but consistent point on the seismic waveform. The horizontal perspective often permits the interpreter to recognize subtle structural features which might have gone unnoticed if studying the prospect from vertical sections alone.

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Structural interpretation from horizontal seismic sections

Brown¹

1983

GEOPHYSICS

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The Best Papers in GEOPHYSICS (by the numbers)

Clark¹

2010

GEOPHYSICS

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Cretaceous to Holocene structural and stratigraphic development in south Lake Maracaibo, Venezuela, inferred from well and three-dimensional seismic data

Castillo

Mann

2006

Bulletin

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Analysis of seismic data using horizontal cross‐sections

Cited by 3 publications

References 0 publications

Structural interpretation from horizontal seismic sections

Structural interpretation from horizontal seismic sections

The Best Papers in GEOPHYSICS (by the numbers)

Cretaceous to Holocene structural and stratigraphic development in south Lake Maracaibo, Venezuela, inferred from well and three-dimensional seismic data

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