发明名称 MÉTODO PARA COMUNICAR DADOS EM UM FURO DE POÇO
摘要 <p>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.</p>
申请公布号 BR0307503(B1) 申请公布日期 2014.04.08
申请号 BR20030307503 申请日期 2003.02.13
申请人 HALLIBURTON ENERGY SERVICES INC. 发明人 WALLACE R. GARDNER;PAUL F. RODNEY;M. DOUGLAS MCGREGOR;VIMAL V. SHAH;JAMES H. DUDLEY
分类号 E21B47/12;E21B47/16;E21B47/18;H04L1/06 主分类号 E21B47/12
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