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Dual channel downhole telemetry

机译:双通道井下遥测

摘要

The present disclosure provides several methods for selecting and transmitting information from downhole using more than one channel of communication wherein data streams transmitted up each communications channel are each independently interpretable without reference to data provided up the other of the communications channels. Preferred embodiments incorporate the use of a combination of at least two of mud-based telemetry, tubular-based telemetry, and electromagnetic telemetry to achieve improved results and take advantage of opportunities presented by the differences between the different channels of communication.
机译:本公开提供了用于使用不止一个通信信道从井下选择和发送信息的几种方法,其中,在不参考在其他通信信道上提供的数据的情况下,每个通信信道上发送的数据流均可以独立地解释。优选的实施例结合使用基于泥浆的遥测,基于管状的遥测和电磁遥测中的至少两种的组合,以实现改善的结果并利用由不同通信信道之间的差异所带来的机会。

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