In-situ process for recovering hydrocarbons from a diatomite-type formation

Patent · Tue Dec 04 00:00:00 EST 1984

OSTI ID:5905194

Davis, B W

An in-situ process for recovering hydrocarbons from a diatomite-type formation which comprises contacting the diatomite formation with a C/sub 4/-C/sub 10/ alcohol and thereafter displacing the hydrocarbon-alcohol mixture with an aqueous alkaline solution towards a production well. The aqueous alkaline solution can be displaced with additional solution or another suitable medium such as a connate water drive.

• Assignee: Chevron Research Company
• Patent Number(s): US 4485871
• OSTI ID: 5905194
• Resource Relation: Patent File Date: Filed date 9 Mar 1983; Other Information: PAT-APPL-473510
• Country of Publication: United States
• Language: English

Related Subjects

04 OIL SHALES AND TAR SANDS
DISPLACEMENT FLUIDS
CHEMICAL COMPOSITION
OIL SANDS
CAUSTIC FLOODING
IN-SITU PROCESSING
WATERFLOODING
ALCOHOLS
CONNATE WATER
DIATOMACEOUS EARTH
ENHANCED RECOVERY
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
ENERGY SOURCES
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
GROUND WATER
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INTERSTITIAL WATER
MATERIALS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PROCESSING
RECOVERY
WATER
040401* - Oil Shales & Tar Sands- In Situ Methods
True & Modified