Method for drawing up special crude oil
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United States of America Patent
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Jul 12, 1988
Grant Date -
N/A
app pub date -
Jan 13, 1987
filing date -
Jan 13, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a method for drawing up a crude oil containing a great amount of wax or a high-viscosity crude oil. The method of the present invention is characterized by cracking or fractionating the crude oil which has been drawn up, in order to prepare a cracked oil or a gas oil, and by drawing up the crude oil, while injecting a part of the cracked oil or the gas oil into an oil well. According to the present invention, an efficient drawing operation can be achieved.
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