Characteristics of parametamorphic rock reservoirs in Pingxi area, Qaidam Basin, NW China

Zhiyuan XIA,Zhanguo LIU,Senming LI,Yongshu ZHANG,Bo WANG,Mingzhi TIAN,Jin WU,Kaizhen ZOU

Fig. 4. Pore characteristics of three kinds of parametamorphic rock reservoirs in Pingxi area. (a) Well Dp172, 4 405 m, Silurian, slate, rich in dissolution microspores, micro-CT photograph; (b) Well Dp17, 4 397 m, Ordovician, crystalline limestone, dissolved pores along structural fractures, micro-CT photograph; (c) Well Dp172, 4 599 m, Ordovician, calc-schist, dissolution pores along cleavages, micro-CT photograph.