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海相碳酸盐岩超深油气井安全高效钻井关键技术

曾义金

曾义金. 海相碳酸盐岩超深油气井安全高效钻井关键技术[J]. 石油钻探技术, 2019, 47(3): 25-33. doi: 10.11911/syztjs.2019062
引用本文: 曾义金. 海相碳酸盐岩超深油气井安全高效钻井关键技术[J]. 石油钻探技术, 2019, 47(3): 25-33. doi: 10.11911/syztjs.2019062
ZENG Yijin. Key Technologies for Safe and Efficient Drilling of Marine Carbonate Ultra-Deep Oil and Gas Wells[J]. Petroleum Drilling Techniques, 2019, 47(3): 25-33. doi: 10.11911/syztjs.2019062
Citation: ZENG Yijin. Key Technologies for Safe and Efficient Drilling of Marine Carbonate Ultra-Deep Oil and Gas Wells[J]. Petroleum Drilling Techniques, 2019, 47(3): 25-33. doi: 10.11911/syztjs.2019062

海相碳酸盐岩超深油气井安全高效钻井关键技术

doi: 10.11911/syztjs.2019062
基金项目: 国家重大科技专项课题“海相碳酸盐岩超深油气井关键工程技术”(编号:2017ZX05005-005)、中国石化重大科技攻关项目“特深层油气勘探开发关键技术与装备”(编号:P17049)联合资助
详细信息
    作者简介:

    曾义金(1964—),江西吉水人,1985年毕业于江汉石油学院钻井专业,2003年获石油大学(北京)油气井工程专业博士学位,教授级高级工程师,中国石化集团公司首席专家,主要从事石油工程技术研究工作。系本刊编委会副主任。E-mail:zengyj.sripe@sinopec.com.cn

  • 中图分类号: TE245

Key Technologies for Safe and Efficient Drilling of Marine Carbonate Ultra-Deep Oil and Gas Wells

  • 摘要:

    塔里木盆地及四川盆地海相碳酸盐岩油气资源埋深超过7 000.00 m,地层具有层系多、非均质性强和高温高压等特点,钻井难度大、风险高,存在机械钻速低、井筒完整性易失效等突出工程问题。为此,研制了一批新型钻井提速工具及耐高温测量仪器与固井工具,研发了耐高温的高密度钻井液体系、环保型低摩阻钻井液、高性能堵漏浆和防气窜固井水泥浆,发展了硬地层协同破岩快速钻井技术、缝洞型高压油气井“预–监–控–压”闭环式安全控制钻井配套技术及超深小井眼水平井井眼轨迹测控关键技术,完成了多口井深超8 000.00 m的高难度超深井钻井施工,创造了多项工程纪录,有力支撑了新疆顺北、川西超深海相碳酸盐岩油气的勘探开发。

     

  • 图 1  顺北地区二叠系地层PDC钻头门限扭矩计算结果

    Figure 1.  Calculation results of the threshold torque of PDC bit in Shunbei Permian strata

    图 2  基于 PDCA闭环的钻井风险评价系统设计思路

    Figure 2.  Design ideas of closed-loop drilling risk assessment system based on PDCA

    图 3  溢流微量早期监测系统

    Figure 3.  Composition of micro-overflow early monitoring system

    图 4  井底压力精细控制钻井系统

    Figure 4.  Structure of drilling system for fine control of bottomhole pressure

    图 5  顺北1-16H井应用SM-GasBP前后全烃值对比

    Figure 5.  Comparison of Well Shunbei 1-16H before and after the application of SM-GasBP

    图 6  含人造缝的自愈合水泥石遇气愈合评价曲线

    Figure 6.  Evaluation curve for gas-healing cement stone with hydraulic fractures

    图 7  耐高温高压金属膨胀式尾管顶部封隔器

    1.本体;2.锁紧套;3.防退卡簧;4.防退卡瓦;5.密封芯子;6.卡瓦锥体;7.膨胀锥体;8.膨胀套筒;9.扶正环

    Figure 7.  High temperature and high pressure resistant metal expandable packer at top of liner

    图 8  耐高温不混油低摩阻钻井液体系在顺北1-16H井定向段应用情况

    Figure 8.  Application of high temperature resistant non-mixed oil and low friction drilling fluid system in the directional section of Well Shunbei 1-16H

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  • 收稿日期:  2019-02-17
  • 修回日期:  2019-05-05
  • 网络出版日期:  2019-05-13

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