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单2块稠油油藏高含水后期提高采收率对策 被引量:1

EOR measures in late high water cut stage for heavy oil reservoir of block Shan2
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摘要 针对单家寺稠油油藏主力油层水淹严重 ,开发效果变差的实际 ,在重新建立地层、构造、储层及流体模型的基础上 ,描述出动态油水界面及剩余油富集区 ,探索出稠油油藏高轮次吞吐高含水后期的挖潜对策 ,并通过上、下扩射 ,注氮气调剖等技术 ,提高老油田注汽质量和强化注汽效果 。 In accordance with the problem of serious watered out and poor development efficacy in major heavy oil reservoirs of Shanjiasi, on basis of newly established models of stratigraphy, structure, reservoir and fluids, dynamic oil water contact and abundance zone of residual oil are depicted, and potential tapping measures for late high water cut stage of multi cycles of huff and puff are given. Steam quality and injection effectiveness are improved through increasing perforation, and profile control by nitrogen injection, etc. A set of recovery methods suitable to heavy oil reservoir in late high water cut stage has been gradually formed.
出处 《特种油气藏》 CAS CSCD 2002年第4期50-52,共3页 Special Oil & Gas Reservoirs
关键词 稠油油藏 活跃边底水 油藏描述 提高采收率 单家寺油田 单2块 heavy oil reservoir active edge and bottom water reservoir description recovery factor Shanjiasi oilfield block Shan2
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  • 1姜嘉陵.单家寺热采原油性质的研究稠油热采技术论文集[M].北京:石油工业出版社,1993..
  • 2霍光荣 李献民.胜利油田稠油油藏热力开采技术[M].北京:石油工业出版社,1999..
  • 3范永昌 曹钧合.蒸汽激励井采油周期动态预测稠油热采技术论文集[M].北京:石油工业出版社,1993..

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