Separate surface, common depth point stack

Details Separate surface, common depth point stack Separate surface, common depth point stack

1973-06-22

1976-02-24

Wilbur, Maynard R.

Communications: electrical

Selective

Having electron beam device

340 155MC, 340 155TD, G01V 136

Patent

active

039407349

ABSTRACT:
Near surface anomalies in common depth point seismic surveying are identified by divergence between two records which are obtained by (1) wherein generating a set of common depth point traces with full or partial fold coverage by combining traces containing energy reflected from common depth points and detected in all or a first fraction of the surface detector spread; and (2) generating a further set of common depth point traces with partial fold coverage by combining traces containing energy reflected from the same common depth points but detected in a second fraction of the surface detector spread. The first and second fractions will not be common. Similarly, this technique is used in verifying the accuracy of static corrections applied in seismic processing since erroneous corrections give rise to anomalies which can be identified.

REFERENCES:
patent: 3353152 (1967-11-01), Kerns
patent: 3747056 (1973-07-01), Treybig et al.
patent: 3794827 (1974-02-01), Widess
Mayne, "Practicle Considerations in the Use of CRP Techniques," 4/67, pp. 225-229, Geophysics, Vol. 32, No. 2.
Brewer, "How Horizontal Stacking has Affected the Oil Industry," 10/67, pp. 137-149, World Oil.

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