研究和量化模型的应用,以获得最佳的井道轨迹选择
Yue Xiao1, Tuo Zhou2, Hang Su3
1CNPC Engineering Technology R&D Company Limited, Beijing, 102206, China.
Scientific reports
|November 29, 2025
概括
本研究引入了一种新的方法,通过考虑钻井成本,钻弦应力和钻井清洁来选择最佳的钻井轨迹. 新的方法确保了更安全,更高效的油田运营.
科学领域:
- 石油工程是石油工程中的一个.
- 地质工程是地质工程.
- 钻井工程 钻井工程
背景情况:
- 钻井轨迹的选择对于地质目标和运营效率至关重要.
- 目前的方法专注于可行性和目标安全性,忽视了成本和钻孔绳完整性等因素.
- 现有的优化缺乏全面的科学量化,限制了基于经验的有效评估.
研究的目的:
- 开发一个量化方法来选择钻井轨迹.
- 纳入关键指标,如轨迹难度,钻孔绳应力,井口清洁度,钻井周期和成本.
- 为油田轨迹和井头布局选择提供理论基础.
主要方法:
- 引入了轨道难度系数的概念.
- 优化和科学量化的轨迹选择评估指标.
- 建立了轨迹优化量化方法.
- 将该方法应用于一个油田案例研究 (A oilfield).
主要成果:
- 在A油田案例研究中,方案4被确定为最佳轨迹.
- 最佳轨迹显示出最小的难度,有利的钻弦应力和良好的井口清洁.
- 选择的轨迹导致了最短的镜头和最低的钻井成本.
- 与垂直井相比,定向井在施工成本和整体钻井周期方面显示出优势.
结论:
- 开发的综合钻井轨迹选择方法为最佳轨迹决定提供了理论支持.
- 这种新方法可以对钻井轨迹进行更科学,更全面的评估.
- 这种方法可以降低钻探成本,提高油田开发的运营效率.
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