Methods and systems for calibrating acoustic receivers

Details Methods and systems for calibrating acoustic receivers Methods and systems for calibrating acoustic receivers

2006-08-01

2006-08-01

Lobo, Ian J. (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

C073S001850

Reexamination Certificate

active

07085194

ABSTRACT:
A method and system for calibrating acoustic receivers (112). The method and system facilitate calibrating the acoustic receivers (112) while they are mounted to a downhole acoustic tool (102). Calibrating the acoustic receivers (112) in situ provides more accurate results than previously available. The method and system provide separate compensation factors for the acoustic receivers (112) at different frequencies and for different transmission sources. The separate compensation factors facilitate more accurate signal acquisition over a wider range of conditions.

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H-P. Liu, R.E. Warrick. “Effect of cable capacitance on in-situ borehole geophone calibration”. Geophysics, vol. 63., No. 1, 1998, pp, 18-24.

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