Research on Ultra-Heavy Oil Development by Steam Stimulation Converting into Steam Drive Combination Process in Fengcheng Oilfield

SUN Xingea, MA Hongb, ZHAO Changhonga, DUAN Changb, YANG Zhaochena, XIONG Weia

Xinjiang Petroleum Geology . 2015, (1): 1 -1 . DOI: 10.7657/XJPG20150111