Pour-point depression of crude oils by addition of tar sand bitumen
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United States of America Patent
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Mar 1, 1988
Grant Date -
N/A
app pub date -
Sep 19, 1986
filing date -
Sep 19, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a process for reducing the pour point of a crude oil by adding a pour-point depressant selected from the group consisting of raw bitumen and hydrotreated bitumen to form a blend possessing a relatively lower pour point.
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