Process for measuring the formation water pressure within an oil

Details Process for measuring the formation water pressure within an oil Process for measuring the formation water pressure within an oil

1980-04-04

1981-08-11

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4900

Patent

active

042827507

ABSTRACT:
A pressure substantially equalling the formation water pressure within an oil-productive portion of a subterranean reservoir can be directly measured by displacing a limited portion of water into a continuous water phase extending through a material having an oil entry pressure high enough to effectively prevent oil entry while maintaining a permeability to water, and fluid communication with the reservoir, allowing imbibition to reduce the pressure within the water phase, and subsequently measuring that pressure.

REFERENCES:
patent: 3702564 (1972-11-01), Chenevert
patent: 3934468 (1976-01-01), Brieger

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