新疆油田水平井分段完井注汽技术

易勇刚, 张传新, 于会永, 邬元月, 赵慧龙

易勇刚, 张传新, 于会永, 邬元月, 赵慧龙. 新疆油田水平井分段完井注汽技术[J]. 石油钻探技术, 2012, 40(6): 79-83. DOI: 10.3969/j.issn.1001-0890.2012.06.017
引用本文: 易勇刚, 张传新, 于会永, 邬元月, 赵慧龙. 新疆油田水平井分段完井注汽技术[J]. 石油钻探技术, 2012, 40(6): 79-83. DOI: 10.3969/j.issn.1001-0890.2012.06.017
Yi Yonggang, Zhang Chuanxin, Yu Huiyong, Wu yuanyue, Zhao Huilong. Segregated Completion and Subsection Steam Injection for Horizontal Wells in Xinjiang Oilfield[J]. Petroleum Drilling Techniques, 2012, 40(6): 79-83. DOI: 10.3969/j.issn.1001-0890.2012.06.017
Citation: Yi Yonggang, Zhang Chuanxin, Yu Huiyong, Wu yuanyue, Zhao Huilong. Segregated Completion and Subsection Steam Injection for Horizontal Wells in Xinjiang Oilfield[J]. Petroleum Drilling Techniques, 2012, 40(6): 79-83. DOI: 10.3969/j.issn.1001-0890.2012.06.017

新疆油田水平井分段完井注汽技术

详细信息
    作者简介:

    易勇刚(1979-),男,四川仁寿人,2003年毕业于西南石油学院石油工程专业,工程师,主要从事稠油热采方面的研究工作。联系方式(0990)6868095,yiyg@petrochina.com.cn。

  • 中图分类号: TE357.44

Segregated Completion and Subsection Steam Injection for Horizontal Wells in Xinjiang Oilfield

  • 摘要: 为改善新疆油田稠油热采水平井的注汽开发效果,进行了水平井分段完井分段注汽技术研究与现场试验。利用管外、管内热敏封隔器及配套工具设计了分段完井、注汽采油管柱,结合超稠油流变性试验与数值模拟技术完成了地层屏蔽有效性论证,优化了盲管段长度;实现了强制注汽,并有效防止2个注汽井段之间的汽窜,保证分段注汽效果。2011年,新疆油田9口稠油水平井采用高温热敏封隔器进行水平井分段完井、分段注汽试验,施工成功率100%,与常规双管笼统注汽的邻近水平井相比,分段完井的水平井首轮吞吐平均油汽比高0.44,吸汽剖面得到改善,分段注汽效果明显。这表明稠油热采水平井分段完井及注汽采油技术是可行且实用的先进技术,为新疆油田超稠油高效开采提供了新的技术手段。
    Abstract: In order to improve steam absorption of horizontal wells,research and test on segregated completion and subsection steam injection were performed in Xinjiang Oilfield.The string for segregated completion and subsection steam injection were designed by using internal and external thermal packer and supporting tools,formation shielding effectiveness was demonstrated by combining super-heavy oil rheological experiments with numerical simulation,and blind pipe length were optimized.Mandatory segmented steam injection was implemented with effective prevention of steam channeling between two injection sections to ensure the effectiveness of segment steam injection.In 2011,Xinjiang Oilfield conducted the test of segregated completion and subsection steam injection on 9 heavy oil horizontal wells using high temperature resistant external casing packers with operation success rate of 100%.Compared with adjacent wells performance produced by commingled steam injection from traditional dual tubing,oil/steam ratio of horizontal wells using segregated completion is 0.44 higher after the first round of steam stimulation indicating good effect of subsection steam injection.This proves that segregated completion and subsection steam injection in horizontal wells of heavy oil recovery is feasible and practical and provides new technical support for the efficient exploitation of super-heavy oil in Xinjiang.
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出版历程
  • 收稿日期:  2012-04-22
  • 修回日期:  2012-10-15
  • 刊出日期:  1899-12-31

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