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Permeability Changes and Compaction of Broken Oil Shale During Retorting.

Authors
Burwell-EL; Tihen-SS; Sohns-HW
Source
NTIS: PB 228 685 :16 pages
Link
NIOSHTIC No.
10009228
Abstract
The Bureau of Mines conducted laboratory experiments to determine the change during retorting in the apparent permeability and the degree of compaction of beds of broken oil shale. Grades of oil shale studied ranged from 20.6 to 46.7 Gallons of oil per ton (gpt), and the simulated overburden pressures applied to the shale were from 300 to 900 psi. Linear regression analysis of the data produced equations describing the response of the oil shale. Oil shales of approximately 20 gpt experience only minor apparent permeability reductions under test conditions, but richer shales (30 to 50 gpt) lose essentially all permeability. The permeability reductions were accompanied by corresponding decreases in bed height that ranged up to 37 percent of the original bed height. Work done in cooperation with the University of Wyoming.
Publication Date
19740101
Document Type
IH; Report of Investigations
Fiscal Year
1974
NTIS Accession No.
PB-228685
NTIS Price
A03
Identifying No.
RI 7860
NIOSH Division
LERC;
Source Name
NTIS: PB 228 685
State
WY;
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