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| 激光多普勒效应非接触井深测量研究 | |
| 引用本文： | 顾亚雄,何飞,钟成千. 激光多普勒效应非接触井深测量研究[J]. 仪表技术与传感器, 2011, 0(5) |
| 作者姓名： | 顾亚雄 何飞 钟成千 |
| 作者单位： | 1. 西南石油大学电气信息学院,四川成都,610500 2. 西南油气田安全环保与技术监督研究院天然气计量检测中心,四川成都,610213 3. 中石化西南局油田服务处,四川绵阳,621000 |
| 基金项目： | 西南石油大学四川省高校重点实验室"测控技术与自动化"自然科学基金 |
| 摘 要： | 文中对激光多普勒效应应用于油气井井深测量进行了深入研究,提出了非接触式井深测量的思想.详细阐述了一款新型激光多普勒井深测量装置的设计方案及软、硬件设计过程.测量装置中的重要组成部分光学系统采用了双光束-双散射模式进行设计.两束入射光汇聚于运动测井电缆表面并被散射,光电检测器检测到任意两束散射光的"差拍"信号后,送入以TMS320VC5402为中央处理器的外接信号调理电路,再经FFT处理后传送给上位机进行分析处理并实现实时井深监测.该非接触式井深测量装置可有效克服接触式井深测量过程中存在的摩擦与滑动误差,从而达到提高井深测量精度的目的. |
| 关 键 词： | 激光多普勒效应 井深 非接触式测量 差拍信号 |
Research on Contactless Well Depth Measurement Based on Laser Doppler Effect |
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| GU Ya-xiong,HE Fei,ZHONG Gheng-qian. Research on Contactless Well Depth Measurement Based on Laser Doppler Effect[J]. Instrument Technique and Sensor, 2011, 0(5) | |
| Authors: | GU Ya-xiong HE Fei ZHONG Gheng-qian |
| Affiliation: | GU Ya-xiong1,HE Fei2,ZHONG Cheng-qian3(1.School of Electric Information,Southwest Petroleum University,Chengdu 610500,China,2.Center for Natural Gas Metrology & Checking Academy of Safety Environment Technology Supervision of Southwest Oil & Gas Field,Chengdu 610213,3.Oil Field Service Division,Southwest Bureau,China Petroleum & Chemical Corporation,Mianyang 621000,China) |
| Abstract: | This paper proposed an idea of contactless well depth measurement based on laser Doppler effect after deeper investigations was made into current oil and natural gas well depth measurement.Details in hardware design and software programming related to the new typed well depth measuring apparatus based on Doppler effect were described.As one of the most important sub-system in the apparatus,optical system was designed double incident beam-double scattered beam mode.After two beams of incident light were focu... |
| Keywords: | laser Doppler effect well depth contactless measurement beat frequency signal |
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