Reservoir Evaluation and Development ›› 2019, Vol. 9 ›› Issue (1): 38-43.
• Petroleum Engineering • Previous Articles Next Articles
Pu Wanfen1,Mei Zilai1,Yang Yang1,Wang Duo2,Shen Chao1,Chen Pei1
Received:
2018-01-26
Online:
2019-02-26
Published:
2019-02-15
CLC Number:
Pu Wanfen,Mei Zilai,Yang Yang,Wang Duo,Shen Chao,Chen Pei. Evaluation of OB-2 system for W/O emulsifier and displacement experiments research at high temperature reservoir in high water cut period[J].Reservoir Evaluation and Development, 2019, 9(1): 38-43.
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Table 3
Displacement experiment results of parallel core under different permeability ratios"
实验编号 | 级差 | 岩心类型 | 孔隙度,% | 含油饱和度,% | 渗透率/10-3μm2 | 采收率,% | ||
---|---|---|---|---|---|---|---|---|
水驱 | 总计 | 提高 | ||||||
1# | 2.3 | 高渗 | 18.85 | 66.88 | 234.6 | 52.75 | 78.05 | 25.3 |
低渗 | 11.44 | 64.26 | 102 | 39.31 | 56.81 | 17.5 | ||
2# | 3.7 | 高渗 | 17.41 | 68.92 | 418.84 | 48.14 | 74.64 | 26.5 |
低渗 | 12.42 | 66.24 | 113.2 | 18.4 | 44 | 25.6 | ||
3# | 4.2 | 高渗 | 18.34 | 70.23 | 405.3 | 52.14 | 74.78 | 22.64 |
低渗 | 13.53 | 66.23 | 96.5 | 0 | 31.2 | 31.2 | ||
4# | 5.5 | 高渗 | 19.34 | 69.65 | 469.15 | 52.47 | 76.23 | 23.76 |
低渗 | 12.65 | 67.23 | 85.3 | 0 | 15.4 | 15.4 | ||
5# | 7.6 | 高渗 | 21.38 | 67.65 | 592.8 | 51.85 | 81.5 | 29.65 |
低渗 | 12.85 | 63.52 | 78 | 0 | 0 | 0 | ||
6# | 2.08* | 高渗 | 16.12 | 62.6 | 159 | 72.72 | 81.92 | 9.2 |
低渗 | 13.42 | 61.1 | 76.4 | 26.35 | 44.85 | 18.5 |
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