High resolution downhole-crosshole seismic reflection profiling

Details High resolution downhole-crosshole seismic reflection profiling High resolution downhole-crosshole seismic reflection profiling

1979-06-13

1981-11-03

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 75, 367 25, 181106, 181113, G01V 120, G01V 140

Patent

active

042989671

ABSTRACT:
A method of seismic surveying which provides a horizontal profile of reflector surfaces located between two spaced apart drillholes which profile appears similar to that of a marine type seismic reflection profile. The method comprising raising and lowering a seismic source and receiver in adjacent drillholes to provide a profile of reflectors which are located between the drillholes.

REFERENCES:
patent: 3208549 (1965-09-01), Alexander et al.
patent: 4214226 (1980-07-01), Narasimhan et al.
Fowler, Cross Hole Acoustic Sensing System; pp. 1-28, Conf. on Site Exp. in Rock . . . , Ensco, Inc.
Karus et al., "Detailed Investigations of Geological Structures by Swell Surveys", 1975, pp. 247-257, 9th World Petroleum Congress, vol. 3.
McCann et al., "Inter Borehole Acoustic . . . ", 6/73,pp. 50-55, 35th Meeting of BAEG, Brighton, Eng.
Bois et al., "Well-to-Well Seismic Measurements", 6/72, pp. 471-480, Geophysics, vol. 37, #3, G-222.

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