Correlation between per-well average dynamic reserves and initial absolute open flow potential (AOFP) for large gas fields in China and its application

Xizhe LI,Xiaohua LIU,Yunhe SU,Guoming WU,Huaxun LIU,Linlin LU,Yujin WAN,Zhenhua GUO,Shi SHI

Table 1 Geology and production parameters of 32 developed gas fields.

Parameters Value Reservoir types Low-permeability and tight, porous, fracture-porous (vuggy) Reservoir depth 1 000-7 000 m Porosity 2%-30% Matrix permeability (0.01-100.00)×10-3 μm2 Field producing time 5-25 a Well initial AOFP (4-1 000)×104 m3/d Well dynamic reserves (0.1-130.0)×108 m3