plc
2015年3月26日星期四
Physical method extraction technology
Physical methods include a variety of methods extraction technology. Former Soviet Union first proposed artificial earthquakes, oil refinery gas fracturing and ultrasonic methods. United States, Canada for some heavy heating method using electromagnetic waves. China since the 1980s, since the basis oil equipment from abroad, has launched a variety of physical methods of oil recovery methods and field trials, and some development of technology has begun to take shape.
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