Oil & Gas Geology ›› 2020, Vol. 41 ›› Issue (6): 1288-1298.doi: 10.11743/ogg20200617
• Methods and Technologies • Previous Articles Next Articles
Zhiming Chen(), Haoshu Chen, Xinwei Liao, Lianbo Zeng*(), Biao Zhou
Received:
2019-02-02
Online:
2020-12-28
Published:
2020-12-09
Contact:
Lianbo Zeng
E-mail:zhimingchn@cup.edu.cn;lbzeng@cup.edu.cn
CLC Number:
Zhiming Chen, Haoshu Chen, Xinwei Liao, Lianbo Zeng, Biao Zhou. Evaluation of fracture networks along fractured horizontal wells in tight oil reservoirs:A case study of Jimusar oilfield in the Junggar Basin[J]. Oil & Gas Geology, 2020, 41(6): 1288-1298.
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Table 2
Parameters of fractured networks and reservoirs in Well JHW of the Jimusar area in the Junggar Basin"
储层类型 | 参数 | 数值 |
原始储层 | 初始压力/MPa | 40.03 |
厚度/m | 10.1 | |
孔隙度/% | 11 | |
渗透率/(10-3 μm2) | 0.013 | |
综合压缩系数/MPa-1 | 0.001 02 | |
无因次应力敏感系数 | 5.0×10-5 | |
无因次补给阻力系数 | 57.4 | |
主裂缝 | 裂缝间距/m | 15.66 |
裂缝数目/条 | 79 | |
裂缝半长/m | 135 | |
裂缝导流能力/(10-3 μm2·m) | 118.87 | |
压裂改造区 | 改造区渗透率/(10-3 μm2) | 100.8 |
非均匀次裂缝网络储容比/% | 6.30 ~ 17.99 | |
平均次裂缝网络储容比/% | 11.58 | |
非均匀基质窜流系数 | 1.93×10-2~5.54×10-2 | |
平均基质窜流系数 | 3.74×10-2 | |
压裂受效区 | 受效区半宽/m | 335.54 |
受效区渗透率/(10-3 μm2) | 1.71 |
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