In recent years, considerable effort has been directed toward accurate logging interpretation of shaly sands. The purpose of this study was to determine the effect of temperature on the formation resistivity factor and relate this to previous shaly sand studies. The problem was investigated by laboratory measurements on core samples at temperatures ranging from 72ø F to 368ø F and with brine resistivities from 5 ohm-cm to 20 ohm-cm. Experimental results indicated that temperature does affect the formation resistivity factor. An increase in temperature of 296ø F caused increases in the formation factor from 55 to 106 percent. However, the cation exchange capacity associated with the clay was not changed. The change in formation resistivity factor with temperature may possibly be a function of pore constriction.
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The Effect Of Temperature On The Formation Resistivity Factor Of Porous Media
Geryl Owen Brannan;
Geryl Owen Brannan
Texas A&M University
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W.D. Von Gonten
W.D. Von Gonten
Texas A&M University
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Paper presented at the SPWLA 14th Annual Logging Symposium, Lafayette, Louisiana, May 1973.
Paper Number:
SPWLA-1973-U
Published:
May 06 1973
Citation
Brannan, Geryl Owen, and W.D. Von Gonten. "The Effect Of Temperature On The Formation Resistivity Factor Of Porous Media." Paper presented at the SPWLA 14th Annual Logging Symposium, Lafayette, Louisiana, May 1973.
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