Method for determining fluid saturation in a subsurface formatio

Details Method for determining fluid saturation in a subsurface formatio Method for determining fluid saturation in a subsurface formatio

1981-08-21

1983-08-09

Birmiel, Howard A.

Measuring and testing

Borehole or drilling

Downhole test

73382R, 73155, G01V 140, E21B 4900

Patent

active

043971814

ABSTRACT:
A subsurface formation surrounding a borehole is flushed with at least one fluid having a density difference from that of the water content of the formation. Borehole gravity logs are recorded. Porosity is also recorded. From the density, gravity and porosity indications, water and oil saturation of the formation is determined.

REFERENCES:
patent: 4052893 (1977-10-01), Murphy et al.

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