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Recently, the key technology of ultra-deep heavy oil development of the innovative and effective project undertaken by the heavy oil chamber of Shengli Oilfield Institute of Geology has realized the effective development of
deep heavy oil.
The research results have been successfully implemented in Wangzhuang Oilfield and Kenxi Oilfield, and the two test wells have a cumulative oil production of 2483.
1 tons and 1269 tons respectively, achieving good development results
.
According to reports, deep heavy oil refers to heavy oil reservoirs buried at a depth of more than 1600 meters, and Shengli Oilfield has proved that the reserves of this type of oil reservoir are more than 76 million tons, and have not been able to achieve economic and effective development
.
Aiming at the problems of poor steam absorption capacity of deep heavy oil, large heat loss along the way, and difficult crude oil flow, scientific researchers have carried out technical research, and innovatively formed deep heavy oil development technologies such as straight well fracturing cold recovery, horizontal well fracturing cold recovery, branch horizontal well cold production and HDCS, making it possible to
economically and effectively open such reservoirs.
(Yan Ming)
