Method and apparatus for measuring borehole fluid density, forma

Details Method and apparatus for measuring borehole fluid density, forma Method and apparatus for measuring borehole fluid density, forma

1991-01-18

1993-04-20

Fields, Carolyn E.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250269, 250266, G01V 512

Patent

active

052045293

ABSTRACT:
The present invention is a formation compensated fluid density meter which includes a well logging sonde that is inserted into a borehole traversing an earthen formation. The sonde includes within it a source which emits gamma rays into the borehole fluid and formation partially collimated and detector assemblies which detect returning gamma rays and provide count signals corresponding to a count of the detected gamma rays. A cable connected to the detector assembly conveys the count signals to the surface where surface electronics includes apparatus which processes the count signals to provide a signal corresponding to the density of the fluid in the borehole.

REFERENCES:
patent: 3662172 (1972-05-01), Youmans
patent: 3976879 (1976-08-01), Turcotte
patent: 4661700 (1987-04-01), Holenka
patent: 4939362 (1990-07-01), Supernaw et al.
patent: 4958073 (1990-09-01), Becker et al.

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