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Downhole seismic
Автор: Andrei Tanasie
Загружено: 2014-09-19
Просмотров: 22336
Описание:
Down-hole (DH) and cross-hole (SH) seismic methods involve measuring the time required for P and S waves to travel from seismic source, located at the ground surface or in drilling, to the receptors placed in another drill.
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