Reservoir Evaluation and Development ›› 2018, Vol. 8 ›› Issue (6): 70-76.
• Non-conventional Reservoir • Previous Articles Next Articles
Zhao Jinzhou,You Xianyong,Li Yongming,Pu Xuan
Received:
2018-01-02
Online:
2018-12-26
Published:
2018-12-13
CLC Number:
Zhao Jinzhou,You Xianyong,Li Yongming,Pu Xuan. Analysis of unsteady early period production forecast model for fractured horizontal wells in shale gas reservoir[J].Reservoir Evaluation and Development, 2018, 8(6): 70-76.
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Table 3
Basic parameters of shale gas reservoir"
页岩厚度/m | 原始地层压力/MPa | 基质岩块渗透率/(10-3μm2) | 页岩密度/(kg·m-3) | 微裂缝渗透率/(10-3μm2) | 边界半径/m | 表皮系数 | 温度/℃ | 多孔介质迂曲度 | 切向动量适应系数 | ||
---|---|---|---|---|---|---|---|---|---|---|---|
32 | 33.49 | 2.5×10-5 | 2 600 | 0.1 | 1 500 | 0 | 82.2 | 5 | 0.8 | ||
气体黏度/(mPa·s) | 井底流压/MPa | 基质岩块孔隙度 | 缝网系统孔隙度 | 水平井筒长度/m | 天然气比重 | 应力敏感系数/MPa-1 | 页岩平均孔隙半径/nm | 实测含气量/(m3·t-1) | |||
0.026 | 15.87 | 0.054 7 | 0.005 | 1 600 | 0.7 | 0.05 | 5 | 1.71 |
Table 4
Parameters of hydraulic fractures"
裂缝编号 | 左翼缝长/m | 右翼缝长/m | 主缝宽度/mm | 主缝间距/m | 左翼裂缝夹角/° | 左翼裂缝夹角/° | 主缝渗透率/μm2 |
---|---|---|---|---|---|---|---|
1 | 136 | 126 | 2.5 | 110 | 80 | 110 | 2.1 |
2 | 123.3 | 133.3 | 2.4 | 110 | 90 | 80 | 2.2 |
3 | 121.7 | 131.7 | 2.4 | 100 | 85 | 105 | 1.8 |
4 | 137.9 | 127.9 | 2.5 | 120 | 70 | 80 | 2.3 |
5 | 119 | 125 | 2.5 | 120 | 110 | 115 | 1.9 |
6 | 138 | 121.6 | 2.4 | 130 | 90 | 90 | 1.7 |
7 | 114.3 | 124.3 | 2.6 | 110 | 85 | 96 | 2.2 |
8 | 126 | 136 | 2.5 | 110 | 110 | 80 | 2.1 |
9 | 133.3 | 123.3 | 2.4 | 110 | 80 | 90 | 2.2 |
10 | 131.7 | 121.7 | 2.4 | 100 | 105 | 85 | 1.8 |
11 | 127.9 | 137.9 | 2.5 | 120 | 80 | 70 | 2.3 |
12 | 125 | 119 | 2.5 | 120 | 115 | 110 | 1.9 |
13 | 121.6 | 138 | 2.4 | 130 | 90 | 90 | 1.7 |
14 | 124.3 | 114.3 | 2.6 | 75 | 75 | 2.2 |
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