Reservoir Evaluation and Development ›› 2019, Vol. 9 ›› Issue (2): 44-49.
• Petroleum Engineering • Previous Articles Next Articles
Zhang Yunbao1,3,Xu Guorui2,Zou Jian1,Wang Nan1,Jia Yongkang2,Ge Song3,Liu Jinxiang3
Received:
2018-06-11
Online:
2019-04-26
Published:
2019-05-07
CLC Number:
Zhang Yunbao,Xu Guorui,Zou Jian,Wang Nan,Jia Yongkang,Ge Song,Liu Jinxiang. Experimental study on water plugging effect and influence factors of three phase foam system[J].Reservoir Evaluation and Development, 2019, 9(2): 44-49.
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Table 4
Recovery efficiency data"
方案 编号 | 小层渗透率Kg/ 10-3μm2 | 含油饱和度, % | 采收率,% | |||
---|---|---|---|---|---|---|
水驱 | 堵水 | 增幅 | ||||
方案1-1 | 高渗层 | 7 302 | 77.63 | 65.11 | 65.77 | 0.66 |
低渗层 | 499 | 65.80 | 4.52 | 51.61 | 47.09 | |
整体 | 72.98 | 43.63 | 60.75 | 17.12 | ||
方案1-2 | 高渗层 | 4 986 | 76.54 | 61.60 | 62.60 | 1.00 |
低渗层 | 506 | 61.44 | 16.04 | 55.60 | 39.56 | |
整体 | 70.68 | 45.67 | 60.14 | 14.48 | ||
方案1-3 | 高渗层 | 2 516 | 75.35 | 58.17 | 61.98 | 3.81 |
低渗层 | 494 | 64.74 | 37.06 | 62.50 | 25.44 | |
整体 | 70.62 | 49.54 | 62.19 | 12.65 |
Table 5
Recovery efficiency data"
方案 编号 | 小层渗透率Kg/ 10-3μm2 | 水驱 程度, % | 含油 饱和度, % | 采收率,% | |||
---|---|---|---|---|---|---|---|
水驱 | 堵水 | 增幅 | |||||
方案2-1 | 高渗层 | 4 895 | 40 | 74.08 | 42.94 | 57.13 | 14.19 |
低渗层 | 485 | 60.03 | 2.09 | 12.98 | 10.89 | ||
整体 | 68.43 | 28.54 | 41.57 | 13.03 | |||
方案2-2 | 高渗层 | 4 717 | 90 | 75.17 | 54.84 | 60.16 | 5.33 |
低渗层 | 502 | 59.83 | 3.86 | 37.27 | 33.41 | ||
整体 | 68.87 | 36.64 | 51.99 | 15.35 | |||
方案2-3 | 高渗层 | 4 986 | 98 | 76.54 | 61.60 | 62.60 | 1.00 |
低渗层 | 506 | 61.44 | 16.04 | 55.60 | 39.56 | ||
整体 | 70.48 | 45.67 | 60.14 | 14.48 |
Table 6
Recovery efficiency data"
方案 编号 | 小层渗透率Kg/ 10-3μm2 | 原油 黏度/(mPa·s) | 含油 饱和度, % | 采收率,% | |||
---|---|---|---|---|---|---|---|
水驱 | 堵水 | 增幅 | |||||
方案3-1 | 高渗层 | 4 995 | 15 | 75.07 | 66.31 | 67.59 | 1.28 |
低渗层 | 495 | 62.66 | 12.14 | 56.31 | 44.17 | ||
整体 | 70.27 | 47.65 | 63.70 | 16.06 | |||
方案3-2 | 高渗层 | 4 986 | 75 | 76.54 | 61.59 | 62.59 | 1.00 |
低渗层 | 506 | 61.44 | 10.48 | 50.04 | 39.56 | ||
整体 | 70.48 | 45.67 | 60.14 | 14.48 | |||
方案3-3 | 高渗层 | 5 146 | 300 | 75.51 | 58.10 | 59.03 | 0.93 |
低渗层 | 473 | 52.14 | 5.24 | 37.47 | 32.24 | ||
整体 | 66.39 | 41.89 | 52.42 | 10.53 |
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