Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1985-05-02
1987-09-15
Tarcza, Thomas H.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 49, 367 43, 364421, G01V 100, G06F 1558
Patent
active
046944389
ABSTRACT:
A method for preparing a display of seismic data obtained from multiple-point coverage of a subterranean earth formation using an array of seismic sources and acoustic receivers. A set of seismic traces is obtained in such a manner that each trace is associated with a source-receiver pair separated by a particular offset distance, and all the traces are associated with a common subsurface reflection point. Each of the traces is filtered through a bank of band-pass filters to produce a set of filtered traces, each having a different frequency content, for each offset value. The filtered traces associated with a particular offset value are displayed in order of progressively changing frequency content, and the filtered traces associated with a particular frequency band are displayed in order of progressively changing offset value. The seismic traces are preferably processed prior to the band-pass filtering step to reduce source-generated noise, to compensate for non-geologic factors such as geometric divergence and source strength variation, and to flatten hyperbolic (or pseudo-hyperbolic) primary reflections. In one preferred embodiment, groups of filtered traces having offset values in a selected range and representing the output of one of the band-pass filters are stacked together, and the stacked traces are displayed in order to progressively changing frequency content or progressively changing ranges of offset values.
REFERENCES:
patent: 2279191 (1942-04-01), Adler
patent: 2622691 (1952-12-01), Ording
patent: 3243821 (1966-03-01), Bogs et al.
patent: 3292143 (1966-12-01), Russell
patent: 3381266 (1968-04-01), Harris
patent: 4312050 (1982-01-01), Lucas
patent: 4316267 (1982-02-01), Ostrander
patent: 4316268 (1982-02-01), Ostrander
N. A. Haskell, "The Dispersion of Surface Waves on Multilayered Media," Bulletin of the Seismological Society of America, 1953, vol. 43, No. 1, pp. 17-34.
N. A. Haskell, "Crystal Reflection of Plane P and SV Waves," Journal of Geophysical Research, Nov. 1962, vol. 67, No. 12, pp. 4571-4767.
Equitz Alfred A.
Exxon Production Research Company
Swann Tod
Tarcza Thomas H.
LandOfFree
Time-offset-frequency-amplitude panels for seismic identificatio does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Time-offset-frequency-amplitude panels for seismic identificatio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Time-offset-frequency-amplitude panels for seismic identificatio will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1390042