Simultaneous measurement of capillary pressure and resistivity using the centrifuge

被引:0
|
作者
Raghuraman, B [1 ]
Ramakrishnan, TS [1 ]
机构
[1] Schlumberger Doll Res Ctr, Ridgefield, CT 06877 USA
关键词
resistivity; capillary pressure; centrifuge;
D O I
10.1006/jcis.1997.5378
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
In this Note we describe a centrifuge apparatus for simultaneously measuring resistivities and capillary pressures of a partially saturated rock. Simultaneous measurement overcomes errors due to sample handling and hysteresis. Our apparatus has a four-terminal electrode design that uses the centrifugal force to maintain good contact with the rock. We report data for an Indiana limestone sample up to 10,000 rpm, corresponding to a capillary pressure of 720 kPa. (C) 1998 Academic Press.
引用
收藏
页码:188 / 191
页数:4
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