对于声学记录单极传感器的温度适应激发技术
Kai Zhang1,2, Xinyan Wang2, Baohai Tan1,2
1State Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China), Qingdao 266555, China.
Sensors (Basel, Switzerland)
|February 27, 2026
概括
高温会降低音响记录工具的性能. 这项研究开发了一种适应温度的激发电路,以保持传感器性能,改善深井的石油和天然气勘探.
科学领域:
- 地质物理学 地质物理学
- 材料科学 材料科学 材料科学
- 石油工程是石油工程中的一个.
背景情况:
- 声学记录工具对于石油和天然气勘探至关重要,利用压电式传感器产生信号.
- 下孔高温降解压电陶,导致阻抗不匹配和工具性能降低.
- 电流激发电路无法弥补温度引起的共振频率漂移.
研究的目的:
- 为了研究高温对单极传感器电参数和激发能量的影响.
- 设计和实施一个适应温度的激发电路,用于音响记录工具.
- 为了提高下孔声学记录系统的运行稳定性和性能.
主要方法:
- 在不同温度下对单极传感器的电参数和激发能量的实验性确定.
- 在不同温度范围内计算最佳匹配的电感值.
- 设计和实施一种具有适应温度的频率调节和可编程电感器选择的新型激发电路.
主要成果:
- 温度适应电路在高温条件下显著增加了传感器激发能量.
- 成功计算了各种下孔温度的最佳匹配电感值.
- 该电路有效地弥补了因温度变化引起的共振频率漂移.
结论:
- 开发的适应温度的激发电路显著提高了音响记录工具的高温性能.
- 这项技术提高了运营稳定性,这对于深度和超深度石油和天然气资源勘探至关重要.
- 这些发现有助于更可靠的下井测量和高效的能源资源开发.
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