Effect of temperature on drainage capillary pressure in rocks using a modified centrifuge
Conference
·
· Soc. Pet. Eng. AIME, Pap.; (United States)
OSTI ID:6497997
A commercially available centrifuge was modified to measure drainage capillary pressures of various core samples at temperatures up to 400/sup 0/F. The modifications provided good control over the following core parameters that needed to be accurately measured: maximum capillary pressure, average wetting phase saturation, and temperature. The results of this study showed that for the McKittrick crude oil-brine system, the irreducible brine saturation increased with increases in temperature with all lithologies confirming the results of the previous investigators. However, for the nitrogen-brine system, irreducible brine saturation was found to decrease with increase in temperature for all lithologies studied (clean sandstones, shaly sandstones, and limestone. The implications of these results as applied to formation evaluation and reservoir engineering are discussed. 31 refs.
- Research Organization:
- Univ of Tulsa, OK
- OSTI ID:
- 6497997
- Report Number(s):
- CONF-811023-
- Conference Information:
- Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States)
- Country of Publication:
- United States
- Language:
- English
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