Metod of geophysical exploration

Details Metod of geophysical exploration Metod of geophysical exploration

1990-10-24

1992-08-04

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 38, 367 49, G01V 128

Patent

active

051365529

ABSTRACT:
A method of geophysical exploration is provided for identifying and evaluating stratigraphic prospects associated with step-like changes in elastic impedance from gradational changes in elastic impedance. In particular, the seismic data are bandpass filtered with a plurality of filters each having a different pass band. Measures of the amplitude are obtained for selected reflection events in the seismic data as a function of their associated pass band frequency content. The changes in amplitude as a function of changes in frequency content of the reflection event can thus be employed to identify and evaluate subtle stratigraphic prospects in the seismic data.

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