E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/14 (2006.01) G01V 1/28 (2006.01) G01V 1/44 (2006.01)
Patent
CA 2497432
A method for determining a formation shear wave velocity for a subterranean formation is provided. The method includes propagating a multi-pole acoustic signal in a borehole using an acoustic transmitter and receiving an acoustic waveform from the mufti-pole acoustic signal at at least one receiver. The method further includes processing the acoustic waveform to determine a borehole guided wave velocity and processing the borehole guided wave velocity to determine the shear wave velocity of the subterranean formation. Isolation, suppression or enhancement of any particular harmonics of the acoustic signal is not required.
Borden Ladner Gervais Llp
Pathfinder Energy Services Inc.
Smith International Inc.
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