Geophone implanting and positioning apparatus

Acoustics – Geophysical or subsurface exploration – Seismic wave detection

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Details

367178, 367188, 33351, 33354, 33 73, G01V 116

Patent

active

048383791

ABSTRACT:
An apparatus for implanting and positioning a geophone assembly into the earth is disclosed. The geophone implanting apparatus includes a receptacle for receiving and retaining a geophone assembly. A magnetic compass and a cylindrical bubble level are mounted concentrically approximately one meter from the receptacle so that the ferromagnetic properties of the geophone do not induce errors in the azimuth measurement. A pair of radially disposed handles are utilized to rotationally manipulate the geophone into a proper orientation during implantation. After the geophone assembly has been implanted and leveled a release mechanism is utilized to release the geophone from the receptacle by deforming a spring grip mechanism which is utilized to retain the geophone. In the depicted embodiment, a geophone assembly having a radially non-symmetric case is utilized in conjunction with a matching receptacle so that a unique orientation of the geophone may be accomplished.

REFERENCES:
patent: 2857679 (1958-10-01), Bleu
patent: 4300220 (1981-11-01), Goff et al.
Litton Resources Systems Brochure, Geophone Cases, Litton Resources Systems, Tex., U.S.A., 1984, pp. 1-4.
Mark Products Brochure, TDC-II, Land Case, Mark Products U.S., Inc., Ltd., Houston, Tex., U.S.A., 10/85, pp. 1-2.
Coffeen, J. A., Seismic Exploration Fundamentals, The Use of Seismic Techniques in Finding Oil, Petroleum Publishing Co., Tulsa, Okla., 5/80, pp. 54-56.
OYO Brochure, "Case Planting Tool", 10/87.

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