Characteristics and main control factors of Ordovician shoal dolomite gas reservoir in Gucheng area, Tarim Basin, NW China

FENG Jun,ZHANG Yajin,ZHANG Zhenwei,FU Xiaofei,WANG Haixue,WANG Yachun,LIU Yang,ZHANG Junlong,LI Qiang,FENG Zihui

Table 1 Formation pressure measured in Ying3 gas reservoirs in Gucheng area

Well No. Mid-pay vertical depth/m Formation pressure/ MPa Pressure coefficient Mid-pay temperature/ °C GC6 6 156.5 70.55 1.14 170.3 GC9 6 001.3 71.88 1.19 168.3 GC9 5 922.0 70.93 1.19 166.1 GC9 6 053.6 169.5 GC10 5 977.7 66.83 1.12 164.1 GC12 6 181.3 176.5 GC12 6 191.9 177.1 GC14 6 243.6 73.80 1.18 171.7 GC17 6 251.3 66.89 1.07 170.8