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A technical and economic study of candidate underground mining systems for deep, thick oil shale deposits, phase 1 report.

Authors
Hoskins WN; Wright FD; Tobie RL; Bills JB; Upadhyay RP
Source
Denver, CO: U.S. Department of the Interior, Bureau of Mines, OFR 23-76, 1975 Jul; :1-331
NIOSHTIC No.
10001896
Abstract
The contractor investigated and evaluated all potentially feasible methods for large-scale mining of the thick oil shale deposits in the deeper central part of the Piceance Creek Basin of northwestern Colorado. Technical and economic data were obtained, preliminary layouts and designs were prepared, and pertinent operating features and cost data were analyzed and evaluated. The relative merits of each mining method were defined and the following candidates were selected as most promising for detailed design and analysis under Phase II of the contract: (1) chamber and pillar mining with spent shale backfill. (2) Sublevel stoping wiht spent shale backfill. (3) Sub-level stoping with full subsidence. (4) Block caving mining using load-haul-dumps.
Keywords
Oil shale; Underground mining; Mining engineering; Room and pillar mining; Stope mining; Caving mining; Subsidence; Environmental impacts; Cost analysis; Fixed investment; Operating costs; Depreciation; Technology assessment; Geology; Hydrology; Piceance Creek Basin
Publication Date
19750701
Document Type
CP; Final Contract Report
Fiscal Year
1975
NTIS Accession No.
PB-249884
NTIS Price
A16
Identifying No.
OFR 23-76; Contract-S0241074
NIOSH Division
DRC
Source Name
Denver, CO: U.S. Department of the Interior, Bureau of Mines, OFR 23-76
State
CO
Performing Organization
Cameron Engineers, Inc., Denver, Colorado
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