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注水井井下无线通讯距离的理论与试验分析 被引量:4

Theoretical and Experimental Analysis on the Wireless Communication Distance in the Injection Well
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摘要 为研究注水井油管内采用无线电数据传输的可行性.通过分析电磁波在水中传输的特性,模拟井下环境测试不同盐度下无线通讯传输的距离.结果表明:注水井油管内采用无线电数据传输能够在400mm范围内实现数据的有效传输,通过分析得到注水井油管内盐度与电导率、穿透深度、通信距离的关系曲线,给出了在内径62mm金属管内433MHz无线通讯距离与水的盐度之间的经验公式. The feasibility of wireless data transmission within the pipeline of the injection well is studied .The characteristics of electromagnetic wave transmission in the water is analyzed .The distance of wireless signal transmission under different salinity conditions of stimulated downhole environment is tested .The result confirms that wireless data transmission is available in the pipeline of the injection well and the effective data transmission within the range of 400 mm can be realized .The relation curve among the salinity ,conductivity ,penetration depth and communication distance in the pipeline of the injection well is gotten .The experimental formula of the relationship of the 433 M Hz wireless communication distance and the water salinity within the metal pipeline of inside diameter 62 mm is provided .
出处 《西安工业大学学报》 CAS 2014年第8期619-623,共5页 Journal of Xi’an Technological University
基金 陕西省教育厅科研计划项目资助(09JK500)
关键词 注水井 无线通讯 电磁波 盐度 injection well wireless communication electromagnetic wave salinity
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