VSP pattern recognition in absolute time

bA procedure to determine VSP-WD (Vertical Seismic Profiling-While Drilling) first breaks in absolute time is described. By combining a seismic surface source and firing complex seismic pattern unique in time (with a highly accurate surface-downhole time reference system), an automatic downhole proc...

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Bibliographische Detailangaben

Hauptverfasser:	Mathiszik, Holger, Gaston, Graham A, Patterson, Douglas J
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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