测量地震传感器在钻井过程中的应用
Manoj Khanal1, Tianzhu Duan2, Yi Duan1
1CSIRO Minerals, Commonwealth Scientific and Industrial Research Organization, 1 Technology Court, Pullenvale, QLD 4069, Australia.
Sensors (Basel, Switzerland)
|February 13, 2026
概括
地震传感器,如地声器和加速度计,在钻井过程中有效地检测岩石断裂和空隙,性能优于传统的机械传感器. 将传感器安装在样品上,而不是钻头上,可以提高岩石地质技术性质分析的灵敏度.
科学领域:
- 地质技术工程 地质技术工程
- 地震学 地震学
- 钻井技术 钻井技术
背景情况:
- 钻探信号提供了洞察岩石的地质技术特性.
- 机械传感器 (扭矩,负载) 在描述岩石特性方面存在局限性.
- 地震传感器有可能补充机械传感器.
研究的目的:
- 为了比较机械和地震传感器在描述岩石特性和接口方面的有效性.
- 评估加速度计和地基声器在钻探期间识别岩石特征的性能.
- 为了研究传感器放置对信号灵敏性的影响.
主要方法:
- 使用合成岩石样本和现场规模钻井机的实验研究.
- 来自机械传感器 (扭矩,负载) 和地震传感器 (加速度计,地声器) 的数据的比较.
- 对钻探信号进行分析,以识别岩石界面,空洞和断裂.
主要成果:
- 地震传感器清楚地识别了空隙和断裂的接口,超过了机械传感器.
- 地质声提供了比加速度计更清晰的数据,在检测到4毫米厚的特征.
- 直接安装在样品上的传感器比钻头上的传感器更敏感,这是由于信号衰减的减少.
结论:
- 地震传感器,特别是地声器,对于在钻井过程中检测岩石不连续性非常有价值.
- 传感器的放置显著影响数据质量,直接样本安装优越.
- 对钻探信号的综合分析可以提高岩石地质技术性质的表征.
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