Method and apparatus for detecting orientation of downhole geoph

Details Method and apparatus for detecting orientation of downhole geoph Method and apparatus for detecting orientation of downhole geoph

1990-10-02

1992-07-07

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

367 25, 367911, 181104, 33309, G01V 140, E21B 47022

Patent

active

051288982

ABSTRACT:
A method and apparatus for detecting the orientation of downhole geophones are provided. A gamma ray source is secured to a casing enclosing a geophone such that the location of the gamma ray source with respect to the orientation of a geophone is known. The geophone is secured to tubing such that the orientation of the geophone with respect to the tubing is known. The tubing, with attached geophone, is secured downhole. A gamma ray logging tool is run the length of the tubing. The orientation of the downhole geophone is determined from the gamma ray log.

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