Method of measuring horizontal flow speed of fluids in earth for

Details Method of measuring horizontal flow speed of fluids in earth for Method of measuring horizontal flow speed of fluids in earth for

1976-06-21

1977-09-27

Willis, Davis L.

Radiant energy

Coded record and readers; invisible radiant energy type

G01V 500

Patent

active

040513688

ABSTRACT:
The horizontal flow rate of fluid in permeable earth formations is measured by the in situ creation of a radioactive tracer isotope having a predetermined decay life time and decay mode. Measurements at different time intervals following the creation of the tracer isotope of the decay radiation may then be interpreted in terms of the horizontal movement of fluids past a well borehole. Tracer isotopes to be created are selectively provided for measuring both relatively fast and relatively slow expected values of horizontal flow speed.

REFERENCES:
patent: 3304424 (1967-02-01), Mills, Jr.
patent: 3603795 (1971-09-01), Allauo
patent: 3851171 (1974-11-01), Saniford et al.

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