Remote seismic sensing

Details Remote seismic sensing Remote seismic sensing

1990-01-12

1991-12-03

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

356349, 356 285, G01V 124, G01B 902, G01P 336

Patent

active

050704834

ABSTRACT:
Methods and apparatus are provided for sensing motions of the earth caused by seismic waves from the doppler shift of reflected electromagnetic waves. The apparatus is based on a heterodyne continuous wave laser system.

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patent: 4284350 (1981-08-01), Coon et al.
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patent: 4583095 (1986-04-01), Peterson
patent: 4818100 (1989-04-01), Breen
patent: 4834111 (1989-05-01), Khanna et al.
patent: 4843597 (1989-06-01), Gjessing et al.
"Exploratory Research by General Research of Interest to EP Sectors", Biweekly Newspaper, The Royal Shell Exploration & Production Lab., vol. 32, No. 17, Oct. 12, 1984, (translation attached hereto).

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