发明名称 |
PRESSURE WAVE DECOUPLING WITH TWO TRANSDUCERS |
摘要 |
A telemetry system for communication in a borehole uses two spaced-apart transducers. The outputs from the two transducers are filtered to decoupled tool signals traveling in opposite directions. One of the two signals may be it telemetry signal while other signal may be pump noise. |
申请公布号 |
WO2008021261(A2) |
申请公布日期 |
2008.02.21 |
申请号 |
WO2007US17830 |
申请日期 |
2007.08.10 |
申请人 |
BAKER HUGHES INCORPORATED;HENTATI, NABIL |
发明人 |
HENTATI, NABIL |
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