Robert John Albers

US Patent:

51288982, Jul 7, 1992

Filed:

Oct 2, 1990

Appl. No.:

7/591582

Inventors:

Britt Hill - Spring TX
Hanna Khalil - Cypress TX
Robert Albers - Houston TX

Assignee:

Halliburton Geophysical Services, Inc. - Duncan OK

International Classification:

G01V 140
E21B 47022

US Classification:

367 13

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.