| 核磁共振测井仪通讯电路设计 |
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| 引用本文： | 黄华松,王仡仡,张嘉伟,程晶晶.核磁共振测井仪通讯电路设计[J].科技信息,2012(3):74-75. |
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| 作者姓名： | 黄华松 王仡仡 张嘉伟 程晶晶 |
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| 作者单位： | [1]华中科技大学控制科学与工程系,湖北武汉430074 [2]中海油服油田技术事业部,中国北京101149 |
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| 摘 要： | 核磁共振测并包含多种复杂的测井模式，NE（回波个数）、TE（回波间隔）均可根据地层的不同由地面操作工程师进行调整。NE越大．数据吞吐量越大：TE越小，井下仪器电路间的通讯时间越短。本文根据NMR通信协议，提出了通讯电路的设计方法。实现曼彻斯特编码．完成NMR仪器数据打包、上传、转发等操作以及辅助参量采集功能。实际测井表明，设计满足应用要求；
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| 关 键 词： | 核磁共振测井 通讯电路 曼彻斯特编码 |
The Design of NMR Logging Communication Circuit |
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| HUANG Hua-song WANG Yi-yi ZHANG Jia-wei CHENG Jing-jing.The Design of NMR Logging Communication Circuit[J].Science,2012(3):74-75. |
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| Authors: | HUANG Hua-song WANG Yi-yi ZHANG Jia-wei CHENG Jing-jing |
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| Institution: | HUANG Hua-song WANG Yi-yi ZHANG Jia-wei CHENG Jing-jing (1.Department of Control Science＆Engineering, Huazhong University of Science and Technology, Wuhan Hubei,430074,China; 2.Technical Center-China Oilfield Services Limited, Beijing, 101149, China) |
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| Abstract: | NMR logging contains a variety of complex logging mode, NE means the uumher of echo, TE means the echo spacing. Both of them can adjust by operating engineer according to tile different stratigraphic infommtiun underground. The greater NE is, the greater data throughput is; the smaller TE is, the shorter time between eommunication circuit and other circuit is. Based on the NMR protocol, prnposed a communication circuit design methods. Realizing Manchester coding, completing NMR instrument data package, upload, forwarding and auxiliary parameter acquisition. Actual logging tests show that the design meets the application requirements. |
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| Keywords: | NMR Logging Communication circuit Manchester encoding and decoding |
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