3Xing Aizhong. Technology process of chemical flooding sur-face injection in Shengli oilfield[J]. Oil-Gasfield Surface Engi-neering,2010,29(12) :57-58.
5Zhang Jian,Liu Fuhai. HS 2032-2012 Offshore oilfield oilflooding acrylamide polymer performance index and evaluationmethodology[S]. Beijing : CNOOC,2()l 2.
6Zhou Shouwei. Han Ming, Xiang Wentao,et al. Application ofEOR technology by means of polymer flooding in Bohai oilfields[J]. China Offshore Oil and Gas,2006,18(6) :386-389,412.