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巴彦河套新区异形齿PDC钻头研究与应用

陈新海. 2022. 巴彦河套新区异形齿PDC钻头研究与应用. 钻探工程, 49(5): 127-135. doi: 10.12143/j.ztgc.2022.05.018
引用本文: 陈新海. 2022. 巴彦河套新区异形齿PDC钻头研究与应用. 钻探工程, 49(5): 127-135. doi: 10.12143/j.ztgc.2022.05.018
CHEN Xinhai. 2022. Research and application of special-shaped tooth PDC bits in Bayanhetao New Area. DRILLING ENGINEERING, 49(5): 127-135. doi: 10.12143/j.ztgc.2022.05.018
Citation: CHEN Xinhai. 2022. Research and application of special-shaped tooth PDC bits in Bayanhetao New Area. DRILLING ENGINEERING, 49(5): 127-135. doi: 10.12143/j.ztgc.2022.05.018

巴彦河套新区异形齿PDC钻头研究与应用

  • 基金项目:

    中国石油天然气股份有限公司重大科技专项“华北油田持续有效稳产钻完井关键技术研究与应用”(编号:2017E-1511);渤海钻探工程技术研究院“深井、超深井钻完井提速提效与储层改造研究与推广”(编号:2021T-01)

详细信息
    作者简介: 陈新海,男,汉族,1987年生,工程师,钻井设计专业,硕士,从事钻井提速工作,河北省任丘市钻研所小区,cxhzys@126.com
  • 中图分类号: TE921;P634.4

Research and application of special-shaped tooth PDC bits in Bayanhetao New Area

  • 为了巴彦河套新区油气资源高效开发,(1)通过测井数据、岩心实验以及实钻数据,开展了该区地层岩性可钻性分析,表明白垩系埋深较深地层以及太古界片麻岩地层可钻性差;(2)调研了该区以及外部区块难钻地层异形齿钻头实钻情况,白垩系5000 m以深地层以及太古界地层单只钻头进尺少,机械钻速低,调研的外部区块塔里木塔河南难钻地层通过使用异形齿钻头,提速效果显著;(3)对比分析了平面齿、斧形齿、多棱齿以及锥形齿破岩机理,为后续钻头优化设计提供了理论支撑;(4)开展了异形齿PDC钻头现场实验,较常规PDC钻头单只进尺以及机械钻速均取得了显著的提升,其中有21口井实现二开“一趟钻”,总进尺30000余米。总之根据地层可钻性变化,优配平面齿、斧形齿、多棱齿以及锥形齿,提高钻头与地层的配伍性,可显著提高钻井效率。
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出版历程
收稿日期:  2021-02-23
修回日期:  2022-07-26

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