Method for drawing up special crude oil

Details Method for drawing up special crude oil Method for drawing up special crude oil

1987-01-13

1988-07-12

Suchfield, George A.

Wells

Processes

Separating material entering well

166310, 166371, E21B 3706, E21B 4340

Patent

active

047563680

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.

REFERENCES:
patent: 2698055 (1954-12-01), Williams
patent: 3574319 (1971-04-01), Morgenthaler
patent: 3580336 (1971-05-01), Meldau
patent: 3945435 (1976-03-01), Barry
patent: 4022277 (1977-05-01), Routson
patent: 4067391 (1978-01-01), Dewell
patent: 4223728 (1980-09-01), Pegg
patent: 4248306 (1981-02-01), Van Huisen et al.
patent: 4269697 (1981-05-01), Chen et al.
patent: 4347899 (1982-09-01), Weeter
patent: 4407367 (1983-10-01), Kydd
patent: 4465138 (1984-08-01), Hunt, III

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