Correlation of Mean Velocities between Sonic Logging and VSP Logging

Abstract

Abstract: There are some errors between mean velocity of formations obtained from sonic logging compared to VSP logging, which are mainlyresulted from cumulative time errors in sonic logging, and closely related to well condition, wellbore interval and its formation. Therefore, duringhorizontal calibration and time-depth conversion by means of sonic log mean velocity, it is necessary to correct the existed errors in order to meetrequirements of more and more exploratory precisions.

Key words: Kev words, sonic logging, VSP, mean velocitv, time-depth conversion, calibration

CLC Number:

P631.824
P631.445.5

ZENG Zhao-rong, XIAO Ling, BAI Xin-ying, LV Qing-sheng. Correlation of Mean Velocities between Sonic Logging and VSP Logging[J]. Xinjiang Petroleum Geology, 2004, 25(1): 50-52.

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Correlation of Mean Velocities between Sonic Logging and VSP Logging

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