Characteristics, formation and evolution of pre-salt dolomite reservoirs in the fifth member of the Ordovician Majiagou Formation, mid-east Ordos Basin, NW China |
FU Siyi,ZHANG Chenggong,CHEN Hongde,CHEN Anqing,ZHAO Junxing,SU Zhongtang,YANG Shuai,WANG Guo,MI Wentian |
Fig. 4. The frequency distribution of porosity (a) and permeability (b) of pre-salt dolomite in the fifth member of Majiagou Formation in Ordos Basin. |