| 随钻电磁波电阻率测量系统 |
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| 引用本文： | 贾衡天,彭浩,邓乐,高文凯,范锦辉,管康. 随钻电磁波电阻率测量系统[J]. 电子测量技术, 2014, 0(6): 123-126 |
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| 作者姓名： | 贾衡天 彭浩 邓乐 高文凯 范锦辉 管康 |
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| 作者单位： | 中国石油集团钻井工程技术研究院,北京100083 |
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| 摘 要： | 随钻电磁波电阻率测井是钻井实时进行地层对比和评价最为有效的手段之一,它克服了常规电缆测井不能钻井实时获取测井信息的缺点,实现了对原状地层电阻率的高分辨率测量,是目前国内测井领域研究热点之一。随钻电磁波电阻率测量系统,由4发双收电磁波发射接收天线单元、硬件电路单元和嵌入式信号处理软件3部分组成,其以相位差检测方法为核心技术。其能真实准确的测量地层电阻率数据,能够测量冲洗带、过渡带及原状地层各个区域,为钻井地质导向提供了可靠的技术保障。
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| 关 键 词： | 电磁波电阻率 软件信号处理 随钻测量 频谱分解算法 |
Electromagnetic resistivity MWD system |
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| Jia Hengtian,Peng Hao,Deng Le,Gao Wenkai,Fan Jinhui,Guan Kang. Electromagnetic resistivity MWD system[J]. Electronic Measurement Technology, 2014, 0(6): 123-126 |
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| Authors: | Jia Hengtian Peng Hao Deng Le Gao Wenkai Fan Jinhui Guan Kang |
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| Affiliation: | (China petro drilling research institute,Beijing 10083 ,China) |
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| Abstract: | The electromagnetic resistivity system is a real-time effective one of methods of stratigraphic correlation and evaluation. It can achieve high resolution measurements on undisturbed formation resistivity. It is composed by Electromagnetic wave transmitting and receiving antennas, hardware circuit, digital signal processing software. The phase difference detection method is the core technology The system can measure the stratum of earth of area of washing,Transition and Original. The method Provide Reliable technical Guarantee for the Geosteering of drilling. |
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| Keywords: | electromagnetic resistivity digital signal processing software MWD spectrum signal measurement |
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