Method of forming a rubblized in-situ retort
Patent
·
OSTI ID:5537493
An in-situ retort is formed in an oil shale deposit by a sublevel caving method in which the starting slot for the sublevel caving is at opposite ends of the retort on adjacent sublevels. Any zones of high permeability that are formed adjacent to the starting slots are limited in vertical extent to the vertical spacing of the sublevels and are spaced from the zones of high permeability in adjacent sublevels by the length of the retort. A source of channeling through the retort that is caused by the usual sublevel caving mining method is thereby eliminated.
- Assignee:
- Gulf Oil Corp
- Patent Number(s):
- US 4194788
- OSTI ID:
- 5537493
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
04 OIL SHALES AND TAR SANDS
040300 -- Oil Shales & Tar Sands-- Drilling
Fracturing & Mining
040401* -- Oil Shales & Tar Sands-- In Situ Methods
True & Modified
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COMMINUTION
DECOMPOSITION
ENERGY SOURCES
FOSSIL FUELS
FRACTURING
FUELS
IN-SITU PROCESSING
IN-SITU RETORTING
MATERIALS
OIL SHALES
PERMEABILITY
PROCESSING
RETORTING
040300 -- Oil Shales & Tar Sands-- Drilling
Fracturing & Mining
040401* -- Oil Shales & Tar Sands-- In Situ Methods
True & Modified
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COMMINUTION
DECOMPOSITION
ENERGY SOURCES
FOSSIL FUELS
FRACTURING
FUELS
IN-SITU PROCESSING
IN-SITU RETORTING
MATERIALS
OIL SHALES
PERMEABILITY
PROCESSING
RETORTING