Neutron method for determining residual oil-phase fluid concentr

Details Neutron method for determining residual oil-phase fluid concentr Neutron method for determining residual oil-phase fluid concentr

1973-12-17

1976-08-10

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

250269, G01V 500

Patent

active

RE0289256

ABSTRACT:
A method for determining the concentration of oil-phase fluid in an earth formation containing indigenous oil-phase fluid and aqueous liquid. A zone in the formation is irradiated with neutrons when the zone is filled with indigenous oil-phase and aqueous liquid. The thermal neutron capture rate response of the zone is measured with respect to the first irradiation. Substantially all indigenous oil-phase is removed from the zone and the zone is filled with only an aqueous liquid substantially equivalent in compositions to the indigeneous aqueous liquid. The zone is irradiated with neutrons a second time and the thermal neutron capture rate response of the zone is measured with respect to the second irradiation.

REFERENCES:
patent: 2443680 (1948-06-01), Herzog
patent: 3102956 (1963-09-01), Armistead
patent: 3757575 (1973-09-01), Murphy et al.

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