Method and apparatus for soil mechanics measurements of...

Details Method and apparatus for soil mechanics measurements of... Method and apparatus for soil mechanics measurements of...

G - Physics

01

B

349/41

G01B 17/02 (2006.01) E21B 49/10 (2006.01)

Patent

CA 1213353

ABSTRACT An apparatus includes a main housing with a permeable cylindrical sleeve in the main housing to simulate a rock formation through which a well is drilled. A com- partment is defined outside the sleeve and a solids-containing fluid is introduced into the interior of the sleeve and pressurized, so that the fluid passes through the sleeve and into the compartment, leaving a filter cake on the inside of the sleeve. A probe extends through the sleeve to simulate a drill string, and the probe can be moved toward and away from the inside surface of the sleeve. The apparatus includes a means for determining the filter cake thickness, preferably ultrasonically.

450170

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