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科技导报  2015 

井下电磁中继传输技术研究及应用

DOI: 10.3981/j.issn.1000-7857.2015.15.010, PP. 66-71

Keywords: EM-MWD,中继传输,中继器

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Abstract:

钻井过程中,可以通过随钻测量技术实时获取井下工程参数及地质参数。电磁随钻测量技术有着其他随钻测量技术难以比拟的优势,但其易受到地层电阻率的限制,导致电磁信号传输深度较浅,因此电磁信号的传输深度是电磁随钻测量技术发展和应用的最大制约因素。分析表明,采用中继传输技术是提高电磁信号传输深度最直接、经济的方法。为此,开展了井下电磁信号中继传输特性理论研究,确定了中继器电磁激励方式和天线结构,建立了井下电磁信号中继传输模型;设计了中继器开发方案。根据方案,完成了中继器工程样机的研制,并进行了现场应用实验。实验表明,采用井下电磁信号中继传输技术可有效提高EM-MWD仪器的传输深度,每级中继器可以提高传输深度70%以上,从而使电磁信号的传输深度不再受制于地层电阻率,拓展了EM-MWD仪器的使用范围。

References

[1]  张涛, 鄢泰宁, 卢春华. 无线随钻测量系统的工作原理与应用现状[J]. 西部探矿工程, 2005, 17(2): 126-128. Zhang Tao, Yan Taining, Lu Chunhua. The principles and application of wireless MWD system[J]. West-China Exploration Engineering, 2005,17 (2): 126-128.
[2]  袁鹏斌, 余荣华, 欧阳志英. 无线随钻测量信息传输的现状与问题[J]. 焊管, 2010, 33(10): 65-69. Yuan Pengbin, Yu Ronghua, Ouyang Zhiying. The current status and problems of wireless signal transmission in measurement while drilling[J]. Welded Pipe and Tube, 2010, 33(10): 65-69.
[3]  李田军, 鄢泰宁. 试论欠平衡钻井中应用电磁波随钻测量技术的若干 问题[J]. 地质科技情报, 2005, 24(7): 37-39. Li Tianjun, Yan Taining. Some issues of electromagnetic MWD applied to under-balanceddrilling[J].GeologicalScienceandTechnologyInformation, 2005, 24(7): 37-39.
[4]  刘修善, 侯绪田, 涂玉林, 等. 电磁随钻测量技术现状及发展趋势[J]. 石 油钻探技术, 2006, 34(5): 4-9. Liu Xiushan, Hou Xutian, Tu Yulin, et al. The status and development trend of electromagnetic MWD technology[J]. Petroleum Drilling Techniques, 2006, 34(5): 4-9.
[5]  龙玲, 陈庆, 刘飞. 电磁波随钻测量干扰信号消除算法研究[J]. 仪器仪 表学报, 2014, 35(9): 2144-2152. Long Ling, Chen Qing, Liu Fei. Research on eliminating interference signal algorithm of EM-MWD[J]. Chinese Journal of Scientific Instrument, 2014, 35(9): 2144-2152.
[6]  王洪亮, 董浩斌, 蒋国盛. 基于相关自适应器的EMMWD信号检测系 统设计[J]. 仪器仪表学报, 2012, 33(5): 1013-1018. Wang Hongliang, Dong Haobin, Jiang Guosheng. Design of EMMWD signal detection system based on correlation and adaptive filter[J]. Chinese Journal of Scientific Instrument, 2012, 33(5): 1013-1018.
[7]  李林, 弓志谦, 王磊, 等. 扩展EM-MWD传输深度及提高可靠性的方 法与对策[J]. 钻采工艺, 2010, 33(4): 25-27, 38. Li Lin, Gong Zhiqian, Wang Lei, et al. The methods and countermeasures of expanding EM-MWD transmission depth and improving the reliability [J]. Drilling & Production Technology, 2010, 33(4): 25-27, 38.
[8]  Raab F H. Noise model for low-frequency through the earth communication [J]. Radio Science, 2010, 45(6): 1-7.
[9]  张东旭, 白璟, 谢意, 等. 电磁波接力传输随钻测量系统研制与应用[J]. 天然气工业, 2014, 34(2): 76-80. Zhang Dongxu, Bai Jing, Xie Yi, et al. Development and application of an electromagnetic relay transmission MWD system[J]. Natural Gas Industry, 2014, 34(2): 76-80.
[10]  Robbins C A, Linyaev E, Li G. Wireless Telemetry Repeater Systems And Methods: US, 20100182161[P]. 2010-07-22.
[11]  殷科生, 盛旺, 刘文彦. 以钻杆为天线的钻井遥测系统的研究[J]. 长沙 大学学报, 2005, 19(5): 60-61. Yin Kesheng, Sheng Wang, Liu Wenyan. Research on drilling telemetry system with drill rod as antenna[J]. Journal of Changsha University, 2005, 19(5): 60-61.
[12]  李晓. 电磁双向信号传输遥测通道的研究[D]. 武汉: 中国地质大学, 2010. Li Xiao. Study of EM-MWD dual-directional transmission[D]. Wuhan: China University of Geosciences, 2010.
[13]  熊皓, 胡斌杰. 随钻测量电磁传输信道研究[J]. 地球物理学报, 1997, 40(3): 431-440. Xiong Hao, Hu Binjie. Research on electromagnetic propagation channel of MWD[J]. Chinese Journal of Geophysics, 1997, 40(3): 431-440.
[14]  熊皓, 胡斌杰. 随钻测量电磁信道分析的等效传输线法[J]. 电波科学 学报, 1995, 10(3): 8-14. Xiong Hao, Hu Binjie. The equivalent transmission line method of electromagnetic channel analysis[J]. Chinese Journal of Radio Science, 1995, 10(3): 8-14.
[15]  刘修善. 井眼轨道几何学[M]. 北京: 石油工业出版社, 2006. Liu Xiushan. Geometry of wellbore trajectory[M]. Beijing: Petroleum Industry Press, 2006.

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