| 川西新场构造带须二段致密气藏定向井优快钻井关键技术 |
| 投稿时间：2024-01-22 修订日期：2024-03-05 点此下载全文 |
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| 中文摘要:川西新场构造带须家河组二段致密砂岩储层受限于钻井成本与开发收益的不匹配，长期未能形成规模化商业开发。针对此现象，本文在工区地质特征的基础上通过以必封点、井眼尺寸和井眼轨道优化为核心的井身结构设计优化和以旋锤钻具、低成本旋转导向工具、预弯曲钻具组合钻井、基于最小机械比能的实时钻井参数优化为核心等关键钻井工艺为主的系列提速关键工艺形成了川西新场构造带须二段致密气藏定向井优快钻井关键技术。该技术在区块全面应用，最短钻井周期由231.1天缩短到95.7天，取得了良好的运用效果，实现了区块的效益开发。 |
| 中文关键词:新场须二段致密气藏 定向井 优快钻井 旋锤钻具 旋转导向工具 |
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| Key Technology of Optimal Fast Drilling of Directional Well in Xujiahe-2 Formation of Xinchang Structure, Western Sichuan |
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| Abstract:The tight sand formation reservoir of the Xujiahe-2 Formation in Xinchang Structure, western Sichuan has failed to form large-scale commercial development for a long time due to the unbalance of cost of drilling and benefit of production. In view of this phenomenon, through the series of scientific studies on the key drilling processes based on the optimization of setting positions, the hole size, the hole trajectory optimization, the combined drilling of the drilling tool, the low cost of the rotating guide tool in this paper. The comprehensive application of this technology in the block has achieved the breakthrough of shortening the shortest drilling cycle from 231.1 days to 95.7 days, achieved good application results, and realized the benefit development of the block. |
| keywords:Xinchang Structure Xujiahe-2 Formation, Directional Well, Optimal Fast Drilling, Spin Hammer Machine, Rotary Steerable System |
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