Determination of residual oil in a subterranean formation

Details Determination of residual oil in a subterranean formation Determination of residual oil in a subterranean formation

1976-05-10

1978-01-31

Borchelt, Archie R.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250259, G01V 500

Patent

active

040717569

ABSTRACT:
A method for obtaining logging data for use in the determination of the amount of residual oil in a subterranean oil bearing formation, the method comprising the steps of logging the formation, injecting into the formation an aqueous solution of a water soluble radioactive tracer compound, logging the formation, injecting into the formation a second aqueous solution of a radioactive tracer compound which is soluble in both water and oil, and thereafter logging the formation.

REFERENCES:
patent: 2385378 (1945-09-01), Piety
patent: 3129331 (1964-04-01), Bourne, Jr. et al.
patent: 3562523 (1971-02-01), Richardson et al.
patent: 3628011 (1971-12-01), Wyman
patent: 3631245 (1971-12-01), Jorden, Jr. et al.
patent: 3894584 (1975-07-01), Fertl

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