Method of characterizing the flowpath for fluid injected into a

Details Method of characterizing the flowpath for fluid injected into a Method of characterizing the flowpath for fluid injected into a

1991-05-02

1992-03-17

Suchfield, George A.

Wells

Processes

With indicating, testing, measuring or locating

73155, 166252, E21B 4710, E21B 4900

Patent

active

050959824

ABSTRACT:
The flowpath for fluid injected into a hydrocarbon-containing subterranean formation for displacing hydrocarbons through the formation is determined by injecting a fluid into the formation through a wellbore, producing fluids from the formation through the wellbore, and measuring the percentage of injected fluid in produced fluids. A percentage of at least about 90% of injected fluid in produced fluids during production of about the first one-third of the total volume of injected fluid indicates that the primary flowpath is rock matrix.

REFERENCES:
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patent: 4862962 (1989-09-01), Prouvost et al.
Najurieta, H. L.; Robles, O. O.; and Edwards, D. P.; SPE 15636; "Interference Well Testing to Predict Early Water Breakthrough in Naturally fractured Reservoirs" (1986) pp. 1-14.

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