Well pressure testing method

Measuring and testing – Borehole or drilling – Downhole test

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E21B 4706

Patent

active

042677262

ABSTRACT:
A method for testing producing oil and gas wells is disclosed for determining a representation of pressure at different selected levels of an interval having one or more production zones by combining pressure and pressure gradient measurements. Another aspect of the invention enables the determination of production level performance by combining flow measurements and pressure gradient measurements to create pressure versus flow curves for each production level of an interval.

REFERENCES:
patent: Re21383 (1940-03-01), Walker
patent: 2348192 (1944-05-01), Chambers
patent: 3184965 (1965-05-01), Noik
patent: 3283570 (1966-11-01), Hodges
patent: 3321965 (1967-05-01), Johnson et al.
patent: 3905226 (1975-09-01), Nicolas
patent: 3909603 (1975-09-01), Nicolas

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