Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1985-12-16
1989-01-24
Tarcza, Thomas H.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 68, 364421, G01V 134
Patent
active
048005398
ABSTRACT:
A computer-implemented technique for dip filtering of seismic data whereby seismic data of a selected attribute in space and time coordinates is displayed in accordance with a 3-D illumination model such that the apparent angle of illumination of the data relative to an apparent viewing position is optimally adjusted to achieve best differentiation and display presentation of seismic dipping events, fault indications, excessive multiple indications, and the like. The method requires a perceptual view of a seismic section as a 3-D surface from which a vector of images can be derived. Thereafter, vector of images surface components are derived and, in accordance with a pre-determined illumination model, i.e. composed as a function of azimuth and elevation relative to a display, the vector of images of the seismic data are transformed to produce enhancing a specific eye view/illumination alignment. Illumination model parameters may be varied in real-time to achieve an interactive filter-type presentation that enables a display with optimum data presentation.
REFERENCES:
patent: 3781785 (1973-12-01), Balch
patent: 4063216 (1977-12-01), Chapman et al.
patent: 4463372 (1984-07-01), Bennett et al.
patent: 4672546 (1987-06-01), Flinchbaugh
A. H. Balch, "Color Sonagrams: A New Dimension in Seismic Data Interpretation", Geophysics, Dec. 1971, vol. 36, No. 6, pp. 1074-1098.
R. B. Smith et al., "Computer Graphics in Geophysics", Geophysics, Oct. 1972, vol. 37, No. 5, pp. 825-838.
Corn Kruger C.
Raney Gary L.
Carlson Ronald J.
Conoco Inc.
Kowalski Frank J.
Schupbach Cortlan R.
Swann Tod R.
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