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关于RZB型三维钻井应变测量系统的研究
Zheng Chen1, Hong Li1, Yunkai Dong1
1National Institute of Natural Hazards, Beijing 100085, China.
Sensors (Basel, Switzerland)
|June 27, 2024
概括
本研究引入了一种增强的钻井应变计,能够测量3D地的应变,包括垂直和斜部件. 实地测试证实了其准确检测固体地球潮的能力,推进了地球物理和地震学研究.
科学领域:
- 地质物理学 地质物理学
- 地震学 地震学
- 在地的动力学.
背景情况:
- 现有的钻井应变仪主要测量垂直钻井中的水平应变.
- 技术限制阻碍了对垂直和斜拉伸的测量,这对于理解3D地构造学至关重要.
- 由于复杂的地质结构和力量,准确的3D应变数据对地质物理学和地震学至关重要.
研究的目的:
- 开发一种新的钻井应变仪系统,用于全面的3D应变测量.
- 为了增强现有的横向组件测量仪,使用 bellows 和线条应变技术进行垂直和斜测量.
- 为了在单个钻孔段内同时进行横向,斜向和垂直应变测量.
主要方法:
- 通过整合 bellows 结构来修改横向组件钻孔应变仪.
- 整合线路应变测量技术,以捕获垂直和斜的应变.
- 在西安地震站部署和测试增强系统.
主要成果:
- 成功测量了横向,斜向和垂直组成部分的固体地球潮.
- 观察到的潮形态和振幅与理论计算一致.
- 达到10^-10的测量灵敏度,满足地质物理要求.
结论:
- 改进的钻井应变仪有效地测量了三维的应变状态.
- 这项技术为地质物理,地震学和地动力学研究提供了关键数据.
- 该系统能够更全面地了解地下变形和构造过程.
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