Well plug quality testing

Details Well plug quality testing Well plug quality testing

1985-01-16

1986-08-26

Leppink, James A.

Wells

Processes

With indicating, testing, measuring or locating

166285, 173151, E21B 4700

Patent

active

046076948

ABSTRACT:
A method is described for testing the quality of cement slurry installed in a borehole to form a plug. The density of the cement, when relatively pure, is compared with the density after the slurry has been placed in situ and has been exposed to potential contamination. The presence of a contaminant is detected by a departure in the measured density from the value for when the cement is relatively pure.

REFERENCES:
patent: 2451472 (1948-10-01), Coggeshall
patent: 3911740 (1975-10-01), Calhoun
patent: 4043394 (1977-08-01), Campell
patent: 4120166 (1978-10-01), Brooks, Jr.

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