| 城探1井工程设计优化与钻井实践 |
| 投稿时间：2016-11-10 修订日期：2016-11-10 点此下载全文 |
| 引用本文：袁后国.城探1井工程设计优化与钻井实践[J].钻探工程,2017,44(8):45-50.YUAN Hou-guo. Engineering Drilling Design Optimization and Drilling Practice of Well Chengtan-1[J]. Drilling Engineering, 2017,44(8):45-50. |
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| 中文摘要:城探1井是大庆塔东区块的首口超7000 m超深井；通过邻井资料分析，优化井身结构、钻具组合、钻井液体系，优选建立了适合古城区块的钻头序列；使用国产液动旋冲工具攻克了塔东φ241.3 mm井眼的“黑被子”地层提速难题；大幅提高了机械钻速，缩短了钻井周期，为塔东古城区块树立了新标杆。 |
| 中文关键词:超深井 钻井 井身结构 钻具组合 钻井液 液动旋冲工具 城探1井 |
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| Engineering Drilling Design Optimization and Drilling Practice of Well Chengtan-1 |
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| Abstract:Well Chengtan-1 is the first ultra-deep well over 7000m in Tadong block of Daqing oilfield. Through analyzing the data of the adjacent wells and optimizing the wellbore structure, BHA and drilling fluid system, a bit series suitable for Gucheng block was established. Using China-made hydraulic rotary tools, the difficult drilling speed improvement in “black quilt” formation of Tadong, where a φ241.3mm hole was located, was solved and the drilling cycle was shortened by higher ROP. |
| keywords:ultra-deep well drilling well structure BHA drilling fluid hydraulic rotary tools well Chengtan-1 |
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