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Pressure Dependent Electrical Resistivity Anisotropy in Carbonate Reservoir RocksNormal access

Authors: L. J. North, A. I. Best and J. Sothcott
Event name: 74th EAGE Conference and Exhibition incorporating EUROPEC 2012
Session: Rock Physics - Lab Rocks Properties
Publication date: 04 June 2012
DOI: 10.3997/2214-4609.20148441
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 586.71Kb )
Price: € 20

Summary:
We present laboratory measurements of electrical resistivity anisotropy from a suite of 37 carbonate samples. These laboratory results show the occurrence of resistivity anisotropy in lithologies ranging from biomicritic limestone to hydrothermal dolomite. Our results also suggest that the anisotropy we observe on the centimetric scale of our samples is an intrinsic property of the rock resulting from fabric scale heterogeneity as apposed to micro-fracturing.


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