基于单芯电缆的高速数据传输设计

Liusha Yang, Su YunTao
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引用次数: 3

摘要

生产测井采用单芯电缆,实现地面与地下的数据传输。然而,对于窄带的单芯电缆,采用传统的基带调制,传输速率很难提高。较低的传输速率限制了地下设备的发展。本文分析了单芯电缆的特点,结合生产测井的实际情况,设计了基于正交频分复用的高速测井数据传输系统,提高了带宽效率,是一种理想的生产测井数据传输方式。该系统在7000米的Camesa抗硫化氢单芯电缆中可以实现115kbps以上的传输速率。在实验室条件下,该系统可承受两小时的高温测试。系统运行稳定,为井场测试奠定了坚实的基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A High-Speed Data Transmission Design Using Single-Core Cable
The single-core cable is used in production logging to achieve data transmission between the surface and the underground. However, for the narrow band of the single-core cable, using the traditional base-band modulation, transfer rate is very difficult to rise. Lower transfer rate limits the development of underground equipments. This paper analyzes the characteristics of single-core cable, combined with the actual situation of production logging, based on orthogonal frequency division multiplexing, we design high-speed logging data transmission system and improve the bandwidth efficiency, so it is a kind of ideal data transmission for production logging. The system can realize the transmission rate of 115kbps or more in the 7,000 meters Camesa anti-hydrogen sulfide single-core cable. In laboratory conditions, the system withstands the test of high temperature for two hours. The system is stable and lays a solid foundation to test in the well site.
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