Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-refraction type
Patent
1981-02-26
1983-08-02
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-refraction type
367 58, 367 75, 364421, G01V 120, G01V 132, G01V 134
Patent
active
043970052
ABSTRACT:
The present invention provides for the accurate mapping of shallow crustal earth formations by means for refractive seismic waves to identify structure as well as elastic parameters of the strata undergoing survey to indicate deposits or ore, marker rock, economic minerals and the like. In one aspect of the present invention, a "roll-along" technique is used in the field, such technique being both practical and economical. In accordance with another aspect of the invention, there is a provision for (i) accurate separation and determination of seismic shear and compressional responses using two-dimensional hodographs; (ii) stacking displays that allow for accurate identification of shape of the surveyed strata; and (iii) final depth displays of the refracting bed segments associated with seismic shear and compressional wave velocities as well as Poisson's ratio to indicate presence of ore, marker rocks, economic minerals and the like.
REFERENCES:
patent: 2267858 (1941-12-01), Dix
patent: 2596463 (1952-05-01), Barthelmes
patent: 2658578 (1953-11-01), Oliphant
patent: 3302164 (1967-01-01), Waters et al.
Foster James I.
Gassaway Gary S.
Richgels Henry J.
Chevron Research Company
Keeling Edward J.
Messner H. D.
Moskowitz Nelson
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