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定向钻井中托压机理分析及对策探讨

薄玉冰

薄玉冰. 定向钻井中托压机理分析及对策探讨[J]. 石油钻探技术, 2017, 45(1): 27-32. doi: 10.11911/syztjs.201701005
引用本文: 薄玉冰. 定向钻井中托压机理分析及对策探讨[J]. 石油钻探技术, 2017, 45(1): 27-32. doi: 10.11911/syztjs.201701005
Bo Yubing. The Formation Mechanism and Technical Countermeasures for Back Pressure during Directional Drilling[J]. Petroleum Drilling Techniques, 2017, 45(1): 27-32. doi: 10.11911/syztjs.201701005
Citation: Bo Yubing. The Formation Mechanism and Technical Countermeasures for Back Pressure during Directional Drilling[J]. Petroleum Drilling Techniques, 2017, 45(1): 27-32. doi: 10.11911/syztjs.201701005

定向钻井中托压机理分析及对策探讨

doi: 10.11911/syztjs.201701005
详细信息
    作者简介:

    薄玉冰(1988-),男,山东东营人,2012年毕业于长江大学石油工程专业,助理工程师,主要从事定向井钻井技术研究与现场施工。

  • 中图分类号: TE921

The Formation Mechanism and Technical Countermeasures for Back Pressure during Directional Drilling

  • 摘要: 为了解决定向钻井过程中的托压问题,通过分析下部钻具组合的受力,研究了托压产生的机理,并分析了影响托压的主要因素,给出了主要技术对策。分析研究表明,托压主要是由钻柱与井壁之间的摩擦阻力造成的,其影响因素主要包括井眼轨迹、井眼清洁程度、钻具组合、钻井液的润滑性及地层类型等。控制托压的技术对策包括优化井眼轨道和钻具组合、提高井眼清洁程度和钻井液的润滑性及采用改善托压的井下工具等,并介绍了控制托压技术措施在D15-X14井和Y123-5HF井的应用情况。研究与应用表明,控制托压的技术对策具有较强的针对性,不但能有效降低托压的频率与程度,而且能有效提高机械钻速,能够为定向钻井提供指导和借鉴。

     

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出版历程
  • 收稿日期:  2016-04-21
  • 修回日期:  2016-12-27
  • 刊出日期:  1900-01-01

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