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| 摘要: |
| 针对孤岛油田聚合物驱后转水驱易发生指进现象,油井水淹速度快;地下残留大量聚合物从油井产出造成地面环境污染等问题。采用聚合物再利用技术,通过注入聚合物再利用剂,与地下残留聚合物形成絮凝体和交联体引起堵塞,达到深部调剖的目的。现场试验结果表明,对两口注水井实施聚合物再利用技术,取得了较好的效果。注水启动压力平均上升了2.3MPa,吸水指数平均下降了39.5m3/(d.MPa),平均日增油0.5t,平均含水下降2.0%。聚合物再利用技术是油田聚合物驱后可接替的提高采收率技术,有广阔的应用前景。 |
| 关键词: 聚合物 再利用技术 絮凝剂 固定剂 应用 评价 |
| DOI： |
| 分类号:TE357.46 TS724 |
| 基金项目: |
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| Application and Assessment of Polymer Reutilization Technique in Gudao Oilfield |
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Wang Yefei You Qing Jiao Cui et al
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| Abstract: |
| In Gudao oil field, after polymer flooding , water fingering phenomenon is usually found and water outs quickly from oil well. Residual polymer will also pollute the ground environment when outputted from the oil well. Using polymer reutilization techniqu |
| Key words: polymer,reutilization technique, floccu-lant, polymer-fixed agent, application, assessment |
