临盘油田PDC钻头防斜打快钻具组合优化及应用

罗恒荣

罗恒荣. 临盘油田PDC钻头防斜打快钻具组合优化及应用[J]. 石油钻探技术, 2016, 44(1): 12-17. DOI: 10.11911/syztjs.201601003
引用本文: 罗恒荣. 临盘油田PDC钻头防斜打快钻具组合优化及应用[J]. 石油钻探技术, 2016, 44(1): 12-17. DOI: 10.11911/syztjs.201601003
LUO Hengrong. Optimization and Application of Anti-Deflect and Fast Drilling BHA with a PDC Bit in the Linpan Oilfield[J]. Petroleum Drilling Techniques, 2016, 44(1): 12-17. DOI: 10.11911/syztjs.201601003
Citation: LUO Hengrong. Optimization and Application of Anti-Deflect and Fast Drilling BHA with a PDC Bit in the Linpan Oilfield[J]. Petroleum Drilling Techniques, 2016, 44(1): 12-17. DOI: 10.11911/syztjs.201601003

临盘油田PDC钻头防斜打快钻具组合优化及应用

详细信息
    作者简介:

    罗恒荣(1970-),男,云南云县人,1993年毕业于石油大学(华东)钻井工程专业,2007年获中国石油大学(华东)石油与天然气工程专业工程硕士学位,高级工程师,主要从事钻井技术方面的管理及研究工作。E-mail13953451809@139.com。

  • 中图分类号: TE242

Optimization and Application of Anti-Deflect and Fast Drilling BHA with a PDC Bit in the Linpan Oilfield

  • 摘要: 临盘油田地层软硬交错频繁,直井井斜问题突出、钻井效率低。为了充分发挥PDC钻头在软到中硬地层中钻速和进尺方面的优势,在提高钻速的同时确保直井防斜打直,应用钻头与地层相互作用模型,以钻进方向角作为钻进趋势判别指标,模拟分析了稳定器位置和钻压对钻进趋势的影响规律,优化设计出了适用于临盘油田直井的PDC钻头防斜打快钻具组合,并对钻压及钻头转速进行了优选,钻压优选为50~70 kN,钻头转速优选为100 r/min以上。PDC钻头防斜打快钻具组合在临盘油田7口井进行了现场应用,结果表明,该钻具组合防斜打直效果好、钻进速度快、起下钻次数少、钻井成本低,能够满足临盘油田直井或定向井直井段防斜打快的要求。
    Abstract: Dominated by frequently alternating soft and hard formations, the Linpan Oilfield is characterized by problems related to deflections in straight vertical wells and low drilling efficiencies. In order to use a PDC bit to solve the problem of well deflection and enhance the ROP, the rock-bit interaction model has been used to design anti-deflection bottom-hole assemblies (BHAs) suitable for PDC bits. In addition, the influence rules of drilling tendency relative to the position of the stabilizer and the weight-on-bit (WOB) have been analyzed and put into use at drilling sites. Anti-deflection BHAs and drilling parameters suitable for PDC bits in the Linpan Oilfield have been designed and optimized with WOB of 50-70 kN and bit rotation speed of no less than 100 r/min. Field applications suggested that newly designed anti-deflection BHAs are suitable for PDC bits and can control well deflection better, drill faster, minimize tripping operations and reduce drilling costs. All research conclusions have shown that the newly designed BHAs suitable for PDC bits can satisfy the anti-deflection requirements with higher ROPs in the Linpan Oilfield.
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出版历程
  • 收稿日期:  2015-03-23
  • 修回日期:  2015-12-26
  • 刊出日期:  1899-12-31

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