2003•Unpublished venueRequires access

APPLICATION OF SONIC LOGGING IN AVERAGE VELOCITY FIELD

Rui Juan Xie, Guang Zhu

Abstract

Sonic logging has been seldom applied in average velocity field, owing to some limits of data collection and defection of sonic logging. Sonic logging can be adjusted to VSP through drift calculation of sonic logging, drift correction of sonic logging and calculation of compensation time of shallow layer. Therefore acoustic logging is used to correct velocity spectrum in average velocity field. The average velocity field with maximum absolute error of 54 m/s and maximum relative error of less than 2% in XJ area is tested by using VSP of two new wells.

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Key concepts: Logging, Sonic logging, Geology, Field (mathematics), Compensation (psychology), Acoustics, Well logging, Particle velocity