METHOD OF INCREASING THE VOLUME OF A PERMEABLE ZONE WITHIN AN OIL SHALE FORMATION
United States Patent 3478825
US Patent References:
Process for recovery of petroleum from sands and shale
- - 2813583
Process for producing viscous oil
- - 3113620
Production of hydrocarbons by fracturing and fluid drive
- - 3180414
Pressure pulsing perpendicular permeability process for winning stabilized primary volatiles from oil shale in situ
- - 3273640
In situ pyrolysis of oil shale formations
- - 3285335
Process for recovery of petroleum from sands and shale
- - 2813583
Process for producing viscous oil
- - 3113620
Production of hydrocarbons by fracturing and fluid drive
- - 3180414
Pressure pulsing perpendicular permeability process for winning stabilized primary volatiles from oil shale in situ
- - 3273640
In situ pyrolysis of oil shale formations
- - 3285335
Inventors:
Closmann, Philip J.
Publication Date:
11/18/1969
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Assignee:
SHELL OIL CO
Primary Class:
Other Classes:
166/247, 166/297, 166/303
International Classes:
E21B43/263; E21B43/25; E21B43/26
US Patent References: