04109718 is referenced by 15 patents and cites 16 patents.

A technique is described for breaking the very strong emulsion of shale oil and water produced by an in situ oil shale retorting process so that separate shale oil and water phases can be recovered. The emulsion is broken by heating it to a temperature of at least about 120.degree. F. and holding at a temperature in the range of from about 120.degree. to 180.degree. F. for about one day. Preferably the shale oil and water are held in the range of from about 130.degree. to 150.degree. F. for about one day and the phases separated by gravity. Heat for the process can be obtained by injecting water into a spent in situ oil shale retort for generating steam and transferring heat from the steam to the emulsion.

Title
Method of breaking shale oil-water emulsion
Application Number
481975
Publication Number
4109718
Application Date
November 1, 1976
Publication Date
August 29, 1978
Inventor
Robert S Burton III
Grand Junction
CO, US
Agent
Christie Parker & Hale
Assignee
Occidental Oil Shale
CO, US
IPC
E21B 43/24
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