Method and apparatus for measuring azimuth and speed of horizont

Details Method and apparatus for measuring azimuth and speed of horizont Method and apparatus for measuring azimuth and speed of horizont

1985-12-23

1988-05-10

Howell, Janice A.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250270, 250367, G01V 500

Patent

active

047437553

ABSTRACT:
The present invention is a well logging apparatus and method for measuring the azimuth and speed of horizontal flow by a borehole using a conventional well logging sonde having a neutron source for irradiating the earthen formation surrounding the borehole. A gamma ray detection assembly in the sonde includes a segmented crystal and a segmented photomultiplier tube optically coupled to said segmented crystal. An additional gamma ray detector is located within the sonde and is displaced longitudinally along the sonde's longitudinal axis from the gamma ray detection assembly.

REFERENCES:
patent: 3013156 (1961-12-01), Hearn
patent: 3539806 (1970-11-01), Humphrey
patent: 4169979 (1979-10-01), Arnold et al.
patent: 4228350 (1980-10-01), Paap et al.

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