financially supported by the National Natural Science Foundation of China (Nos. U1562214, 41702156, 41272151);the National Science and Technology Major Project (No. 2016ZX05003-002)
The petrophysical property of mudstone often transforms from ductile to brittle in the process of burial-uplift. The deformation mechanism of fault in brittle and ductile mudstone caprock is different, which leads to ...
financial support from the Natural Science Foundation of China (Grant No. 41272151, 41472126);the Natural Science Foundation for Distinguished Young Scholars of Heilongjiang Province, China (Grant No. JC201304);the Joint Funds of the National Natural Science Foundation of China (Grant No. U1562214);the Program for Huabei Oilfield (Grant No. HBYT-CY5-2015-JS-127)
Most major oil zones in the Daqing Oilfield have reached a later,high water cut stage,but oil recovery is still only approximately 35%,and 50%of reserves remain to be recovered.The remaining oil is primarily distribut...