PROCESSING FOR SONIC WAVEFORMS

A method (Fig. 1) for creating a frequency or time domain semblance for use in conjunction with acoustic logging tools (100, 130, 140, 145). The frequency domain semblance (Fig. 2F) may be obtained by transforming an acoustic signa l (150) received at multiple depths into the frequency domain, combi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HOLMQUIST, SVEN G, BLANCH, JOAKIM O, VARSAMIS, GEORGIOS L, MARKET, JENNIFER A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
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