E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/31
E21B 43/16 (2006.01) C09K 8/524 (2006.01) E21B 37/00 (2006.01) E21B 37/06 (2006.01) E21B 43/40 (2006.01)
Patent
CA 1265992
ABSTRACT OF THE DISCLOSURE 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.
527115
Ikuta Yoshiaki
Kaneko Masato
Matsui Hisazi
Moriwaki Masayuki
Fetherstonhaugh & Co.
Mitsubishi Jukogyo Kabushiki Kaisha
Osaka Gas Company Limited
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