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China Petroleum & Chemical News.
com recently, Shengli Oilfield Petroleum Engineering Technology Research Institute of Heavy Oil declared "Multiple Copolymers for Improving the Flow Performance of Highly Pourable Heavy Oil" by the State Intellectual Property Office and the World Intellectual Property Organization awarded the China Patent Silver Award
.
The proven reserves of heavy oil in China are 4.
35 billion tons, but the average recovery rate is only 20%
.
Heavy oil has poor fluidity due to high pour-point and high viscosity, which brings great difficulties to the development of heavy oil benefits.
Steam injection thermal recovery is currently the mainstream development method
It is understood that the heavy oil thermal compound chemical development technology and the heavy oil chemical viscosity reduction cold recovery technology formed with this patent as the core are identified as the international leading level by the expert group, and it is believed that on the one hand, it broadens the development technology boundaries of heavy oil reservoirs.
(Ren Houyi and Zheng Wangang)
