超短半径水平井钻井技术在注入井解堵中的应用

王羽曦

王羽曦. 超短半径水平井钻井技术在注入井解堵中的应用[J]. 石油钻探技术, 2013, 41(5): 89-92. DOI: 10.3969/j.issn.1001-0890.2013.05.017
引用本文: 王羽曦. 超短半径水平井钻井技术在注入井解堵中的应用[J]. 石油钻探技术, 2013, 41(5): 89-92. DOI: 10.3969/j.issn.1001-0890.2013.05.017
Wang Yuxi. Application of Ultra-Short Radius Horizontal Well Drilling Technology in Plugging Removal in Injectors[J]. Petroleum Drilling Techniques, 2013, 41(5): 89-92. DOI: 10.3969/j.issn.1001-0890.2013.05.017
Citation: Wang Yuxi. Application of Ultra-Short Radius Horizontal Well Drilling Technology in Plugging Removal in Injectors[J]. Petroleum Drilling Techniques, 2013, 41(5): 89-92. DOI: 10.3969/j.issn.1001-0890.2013.05.017

超短半径水平井钻井技术在注入井解堵中的应用

详细信息
    作者简介:

    王羽曦(1987—),男,山东济南人,2009年毕业于黑龙江科技大学工业工程专业,助理工程师,主要从事钻井和固井工具方面的研究工作。

  • 中图分类号: TE246

Application of Ultra-Short Radius Horizontal Well Drilling Technology in Plugging Removal in Injectors

  • 摘要: 为解决聚合物注入井的堵塞问题,研究应用了超短半径水平井钻井技术进行解堵。采用大角度锚定斜向器、复合式开修(窗)系统、高强度柔性钻杆与常规钻井设备相结合的技术方法,在设计层位实现曲率半径为3.2 m的高曲率造斜,完成造斜后运用柔性钻杆与多功能导向管进行水平段钻进,钻至设计长度,在堵塞层形成了一个长度为30 m、直径为117.5 mm的井眼,为堵塞区域重新打开注入通道。研究表明,利用超短半径水平井钻井技术来实现解堵增效是可行的,为堵塞区域重新打开注入通道、降低注入压力提供了新的技术支持。
    Abstract: To effectively solve polymer plugging problem in injectors,the application of ultra short radius horizontal well drilling was tested to remove plugging.With the combined use of large angle anchor whipstock,composite windowing system,high strength flexible drill pipes and conventional drilling equipment,high curvature build up section with a curvature radius of only 3.2 m was realized in the designed horizon.After the build-up,flexible pipe and multifunctional guiding pipe were used to finish horizontal section drilling to the target.So a 30 m long and 117.5 mm diameter hole was finished in the plugging layer and it opened up a new injection channel in the plugging zone.The study shows it is feasible to use ultra-short radius horizontal well to remove plugging,open new injection channels and lower injection pressure in polymer plugged injectors.
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出版历程
  • 收稿日期:  2012-10-18
  • 修回日期:  2013-09-16
  • 刊出日期:  1899-12-31

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