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Electrical and Hydraulic Flow Properties of Appalachian Petroleum Reservoir Rocks.

Authors
Sawyer-WK; Pierce-CI; Lowe-RB
Source
NTIS: PB 200 701 :22 pages
Link
NIOSHTIC No.
10008755
Abstract
Resistivity, porosity, permeability, and saturation data were obtained on core samples from the Big Injun, Clinton, Gordon, Bradford Second and Third, and Venango Second oil sands and formation factor-porosity relationships were derived using the general form of Archie's equation f = ao-m, where f is the formation factor, o is the porosity, and a and m are constants that depend on characteristics of the rock. It was found that a and m varied significantly between sands, as did the exponent in the Archie relation I = sw-n, where I is the resistivity index and sw is the water saturation. The average exponent, n, determined from all data was 50 percent greater at residual oil saturation than at residual water saturation. Samples from each sand exhibited differences in directional resistivity and/or permeability. The Bradford third sand data showed correlation between resistivity and permeability anisotropy.
Publication Date
19710101
Document Type
IH; Report of Investigation;
Fiscal Year
1971
NTIS Accession No.
PB-200701
NTIS Price
A03
Identifying No.
RI 7519
NIOSH Division
MERC;
Source Name
NTIS: PB 200 701
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