Method of and apparatus for locating disturbances in a mineral s

Details Method of and apparatus for locating disturbances in a mineral s Method of and apparatus for locating disturbances in a mineral s

1979-10-19

1982-09-21

Birmiel, Howard A.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

367 48, 367 49, 367 73, G01V 100

Patent

active

043510353

ABSTRACT:
Faults in an underground coal seam are located by firing a shot at one point in the seam and detecting the seismic reflections in an array of geophones. Signals from the geophones are recompressed and analyzed according to an exponential formula to give a holograph of the seam and to predict the fault pattern.

REFERENCES:
patent: 3691517 (1972-09-01), Riggs
patent: 3858167 (1974-12-01), Stas
patent: 4209853 (1980-06-01), Hyatt
patent: 4214226 (1980-07-01), Narashimhan et al.

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