Method for bulking full a retort
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United States of America Patent
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-
May 22, 1984
Grant Date -
N/A
app pub date -
Jun 1, 1982
filing date -
Jun 1, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for forming an in situ oil shale retort in a subterranean formation containing oil shale is provided. The in situ oil shale retort has top, bottom, and generally vertically extending side boundaries of unfragmented formation and contains a body of expanded oil shale formation that completely fills the retort to its top boundary. The retort is bulked full by explosively expanding a layer above a fragmented permeable mass of formation particles forming part of the body of expanded formation in the retort. The layer is expanded with an available void fraction of no more than about ten percent.
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