Method for making measurements of the chemical swelling effect o

Details Method for making measurements of the chemical swelling effect o Method for making measurements of the chemical swelling effect o

1981-01-08

1982-11-23

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4900

Patent

active

043599010

ABSTRACT:
The drilling or treating of subterranean shale-containing earth formations is improved by adjusting the composition of the fluid used to reduce the positive shale swelling strain it causes when a shale sample is first equilibrated with fluid under conditions simulating those in the earth formation and the equilibrating fluid is replaced by the fluid being tested without otherwise significantly altering the conditions of the equilibration.

REFERENCES:
patent: 3018660 (1962-01-01), Schmid
patent: 3646997 (1972-03-01), Chenevert

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