Diagenetic evolution and formation mechanisms of middle to deep clastic reservoirs in the Nanpu sag, Bohai Bay Basin, East China

WANG Enze,LIU Guoyong,PANG Xiongqi,LI Changrong,WU Zhuoya

Table 3 Multivariable regression analysis results of factors controlling the Shahejie Formation reservoir physical properties in the Nanpu sag.

Formation Multivariable regression analysis equation Correlation coefficient Constructive factor sequence Destructive factor sequence Es1 ?=0.525Q+0.309F+0.262H-0.025S+4.548M-1.234SC-3.588P-2.859C+1.673D-21.214 0.452 M>D>Q>F>H P>C>SC>S Es3 ?=0.127Q+0.170F+0.067H-0.012S+9.666M-0.015SC-3.415P-0.835C+27.771D-3.719 0.396 D>M>F>Q>H P>C>SC>S