SIGNAL PROPAGATION ACROSS GAPS

申请公布号：

CA2744813(C)

申请号：

CA20092744813

申请日期：

2009.10.20

申请公布日期：

2013.06.18

申请人：

HALLIBURTON ENERGY SERVICES, INC.

发明人：

RODNEY, PAUL F.;MENEZES, CLIVE D.

分类号：

E21B47/13;H04B3/00;H04B3/36

主分类号：

E21B47/13

摘要：

In some embodiments, an apparatus and a system, as well as a method and an article, may operate to monitor a first condition associated with transmitting or receiving a signal in a formation or on a drill string, or both, over a first selected interval of a drill string located down hole; to monitor a second condition associated with transmitting or receiving the signal in the formation or on the drill string or both, over a second selected interval of the drill string; to compare the first condition to the second condition to provide a comparison result; and based on the comparison result, to select one of the first selected interval or the second selected interval to transmit or receive the signal in the formation or on the drill string, or both. Additional apparatus, systems, and methods are disclosed.