| 安塞油田提高水驱效率试验研究 |
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| 引用本文： | 曾亚勤,徐永高,黄远. 安塞油田提高水驱效率试验研究[J]. 石油天然气学报, 2004, 26(2): 124-125 |
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| 作者姓名： | 曾亚勤 徐永高 黄远 |
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| 作者单位： | 中国地质大学(武汉)研究生院,湖北,武汉,430074;长庆油田分公司第一采油厂,陕西,延安,716000;长庆油田公司油气工艺研究院,陕西,西安,710060;长庆油田分公司第一采油厂,陕西,延安,716000 |
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| 摘 要： | 将安塞油田储层分为孔隙型、裂缝型和孔隙一裂缝型等3类注水地质单元，相应地分别进行了沿裂缝强化注水、提高注水强度及不稳定注水等提高注水效率的试验研究。实践证明这些方法可以使产量递减减缓；含水上升率稳定；压力保持水平更趋合理及使采收率提高。
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| 关 键 词： | 安塞油田 注水 驱油效率 |
| 文章编号： | 1000-9752(2004)02-0124-02 |
Experimental Study for Improving Waterflooding Efficiency in Ansai Oilfield |
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| ZENG Ya-qin. Experimental Study for Improving Waterflooding Efficiency in Ansai Oilfield[J]. Journal of Oil and Gas Technology, 2004, 26(2): 124-125 |
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| Authors: | ZENG Ya-qin |
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| Abstract: | Reservoirs in Ansai Oilfield are divided into porous, fracture and porous-fracture water injecting geologic units. Experimental studies for improving waterflooding efficiency by means of enhanced water injection along fractures, improving injection intensity and unstable injection are performed correspondingly and respectively. Practice demonstrates these methods are appropriate for reducing production decline, stabilizing water cut increase, more rationality of pressure maintaining, thus to improve the productivity. |
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| Keywords: | Ansai Oilfield water injection waterflooding efficiency |
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