Horizon velocity analysis

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367 52, G01V 136, G01V 134

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active

048498874

ABSTRACT:
Traveltime and reflector position for horizons of interest are used to generate a lateral coherency display representative of a subterranean horizon. According to a particular aspect, the display can include assigning maximum coherency values of each subsurface reflector, a single display value selected to contrast with display values assigned to lesser values of coherency for each subsurface reflector. According to other aspects, the invention is employed in connection with normal moveout correction and statics correction of seismic data.

REFERENCES:
patent: 4577298 (1986-03-01), Hinkley
patent: 4594691 (1986-06-01), Kimball et al.
patent: 4646239 (1987-02-01), Bodine et al.
patent: 4665510 (1987-05-01), Foster et al.
patent: 4698793 (1987-10-01), Wu
patent: 4713775 (1987-12-01), Scott et al.
Toldi, J., "Velocity Analysis Without Picking", Stanford Exploration Project Report #41, 1984, 77-90.
Al-Chalabi, M., "Velocity Determination from Seismic Reflection Data", Developments in Geophysical Exploration Methods--1, A. A. Fitch, ed., Chapter 1, 1979.

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