Method and apparatus for measuring horizontal fluid flow in down

Details Method and apparatus for measuring horizontal fluid flow in down Method and apparatus for measuring horizontal fluid flow in down

1990-09-10

1991-12-31

Fields, Carolyn E.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250269, 250259, G01V 500

Patent

active

050774719

ABSTRACT:
Formation fluid flows in earth formations (37) opposite a perforated (40) wellbore (15) zone are measured and monitored by injecting radioactive tracers (50) into the perforations (40), blocking the perforations to retain the tracers (50) in the formation (37), monitoring the apparent decay rates (58) of the injected tracers (50), and then determining the rate at which the tracers are being carrier away by fluid movements in the formation (37). From this the flow rate (60) of the fluids in the earth formations (37) adjacent the borehole interval is inferred.

REFERENCES:
patent: 4051368 (1977-09-01), Arnold et al.
patent: 4085798 (1978-04-01), Schweitzer
patent: 4151413 (1979-04-01), Arnold
patent: 4233508 (1980-11-01), Arnold

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