G - Physics – 01 – V
Patent
G - Physics
01
V
G01V 1/48 (2006.01)
Patent
CA 2358777
A method is disclosed for calculating acoustic slowness of earth formation from signals measured at a plurality of receivers at axially spaced apart locations from a transmitter on a logging instrument. The method include calculating a multichannel coherence from the signals, and stacking the coherence from the signals detected from a plurality of actuations of the transmitter. The formation slowness is determined from the stacked coherence measure. In one embodiment, the coherence measure is slowness time coherence.
Dion Dominique
Hsu Kai
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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