Reservoir Evaluation and Development ›› 2018, Vol. 8 ›› Issue (1): 44-48.
• Petroleum Engineering • Previous Articles Next Articles
Zhao Yang1,Wu Jingchun1,Shi Fang1,Yang Ming2
Received:
2017-06-05
Online:
2018-02-26
Published:
2018-12-05
CLC Number:
Zhao Yang,Wu Jingchun,Shi Fang,Yang Ming. Physical simulation flooding test of multi-turn profile control in low permeability reservoir[J].Reservoir Evaluation and Development, 2018, 8(1): 44-48.
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Table 1
Parameters of physical simulation experiments"
岩心编号 | 渗透率/(10-3μm2) | 孔隙度,% | 含油饱和度,% | 注入体系 | 总注入轮次 | 单轮注入量/PV | 总注入量/PV |
---|---|---|---|---|---|---|---|
1# | 38.6 | 31.6 | 60.5 | 一 | 1 | 0.3 | 0.3 |
2# | 37.8 | 30.8 | 59.3 | 2 | 0.15 | 0.3 | |
3# | 39.5 | 31.9 | 61.2 | 3 | 0.1 | 0.3 | |
4# | 40.3 | 32.3 | 61.9 | 二 | 1 | 0.3 | 0.3 |
5# | 37.9 | 30.5 | 59.5 | 2 | 0.15 | 0.3 | |
6# | 39.6 | 31.2 | 60.8 | 3 | 0.1 | 0.3 | |
7# | 38.3 | 30.6 | 59.6 | 三 | 1 | 0.3 | 0.3 |
8# | 37.5 | 29.8 | 58.5 | 2 | 0.15 | 0.3 | |
9# | 39.2 | 31.5 | 60.3 | 3 | 0.1 | 0.3 |
Table 2
Experimental data of physical simulation"
岩心编号 | 注入体系 | 总注入轮次 | 水驱采收率,% | 措施后驱替效率提高值,% | 总采收率,% | 总注入量/PV | 最高压差/MPa |
---|---|---|---|---|---|---|---|
1# | 一 | 1 | 30.41 | 13.98 | 44.39 | 5.13 | 3.52 |
2# | 2 | 29.58 | 17 | 46.58 | 5.35 | 3.36 | |
3# | 3 | 28.76 | 18.13 | 46.89 | 5.7 | 3.42 | |
4# | 二 | 1 | 31.72 | 26.79 | 58.51 | 6.83 | 4.85 |
5# | 2 | 30.17 | 31.49 | 61.66 | 7.17 | 5.16 | |
6# | 3 | 29.35 | 33.14 | 62.49 | 7.87 | 5.36 | |
7# | 三 | 1 | 28.79 | 24.83 | 53.62 | 6.25 | 5.13 |
8# | 2 | 30.06 | 29.56 | 59.62 | 7.11 | 5.28 | |
9# | 3 | 29.81 | 31.35 | 61.16 | 7.76 | 5.51 |
Table 3
Experimental data of different injection rounds"
岩心 编号 | 注入 体系 | 轮次 | 注入量/PV | 驱替效率提高值,% | 总驱替效率提高值,% | |
---|---|---|---|---|---|---|
1# | 一 | 一轮 | 0.3 | 13.98 | 13.98 | |
2# | 二轮 | 第一次 | 0.15 | 10.15 | 17 | |
第二次 | 0.15 | 6.85 | ||||
3# | 三轮 | 第一次 | 0.1 | 8.15 | 18.13 | |
第二次 | 0.1 | 5.58 | ||||
第三次 | 0.1 | 4.4 | ||||
4# | 二 | 一轮 | 0.3 | 26.79 | 26.79 | |
5# | 二轮 | 第一次 | 0.15 | 18.75 | 31.49 | |
第二次 | 0.15 | 12.74 | ||||
6# | 三轮 | 第一次 | 0.1 | 15.03 | 33.14 | |
第二次 | 0.1 | 10.89 | ||||
第三次 | 0.1 | 7.22 | ||||
7# | 三 | 一轮 | 0.3 | 24.83 | 24.83 | |
8# | 二轮 | 第一次 | 0.15 | 16.23 | 29.56 | |
第二次 | 0.15 | 13.33 | ||||
9# | 三轮 | 第一次 | 0.1 | 13.9 | 31.35 | |
第二次 | 0.1 | 9.5 | ||||
第三次 | 0.1 | 7.95 |
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