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Title: Determining the locus of a processing zone in an in situ oil shale retort through a well in the formation adjacent the retort

Patent ·
OSTI ID:6683885

The locus of a processing zone advancing through a fragmented permeable mass of formation particles in an in situ oil shale retort in a subterranean formation containing oil shale is determined by monitoring in a well extending through unfragmented formation adjacent the retort, for condition in the retort affected by the advancement of such a processing zone through the retort. Monitoring can be effected by placing means for monitoring such a condition in such a well extending through unfragmented formation adjacent the retort.

Assignee:
Occidental Oil Shale Inc
Patent Number(s):
US 4344484
OSTI ID:
6683885
Resource Relation:
Patent File Date: Filed date 18 Dec 1980; Other Information: PAT-APPL-217992
Country of Publication:
United States
Language:
English