某区块致密气采出水水质对回注储层的影响研究

黄伟,袁进,司雷霆,张弛

Research on the influence of tight gas produced water quality on reinjection reservoir in a block

Wei Huang,Jin Yuan,Leiting Si,Chi Zhang

表1 碱敏实验岩心物性参数

Table 1 Alkaline sensitivity test core physical parameters

碱液pH 岩心编号 直径/cm 长度/cm 孔隙度/% 气体渗透率/10-3μm2 7 H8-35 25.28 47.20 8.59 0.07 7.5 H8-1 25.10 34.14 8.59 0.05 8 H8-9 25.16 37.58 9.41 0.06 8.5 H8-25 25.14 52.04 3.52 0.04 10 H8-31 25.20 46.26 7.47 0.06 11.5 H8-5 25.14 40.24 10.57 0.06 13 H8-15 25.22 57.90 8.15 0.07