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《Chinese Journal of Geophysics》 2017-12
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A data-driven dispersive processing of LWD quadrupole wave data

KONG Fan-Tong;ZHUANG Chun-Xi;SU Yuan-Da;TANG Xiao-Ming;School of Geosciences,China University of Petroleum;  
A data-driven dispersive method is developed to process the logging while drilling(LWD)quadrupole waveform data.A Slowness Probability Density(SPD)is first calculated from the LWD wave dispersion data and is subsequently fitted with a proper analytical function.By finding the edge of the function,the true formation shear slowness can be determined.We have applied the method to process synthetic and field LWD quadrupole wave data.The results show that the method corrects the dispersion effect in the waveform data and obtains accurate estimates of formation shear slowness.
【Fund】: 国家自然基金(41474092 41604109);; 山东自然科学基金(ZR2014DL009)资助
【CateGory Index】: P631.81
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Chinese Journal Full-text Database 2 Hits
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Chinese Journal Full-text Database 10 Hits
1 KONG Fan-Tong;ZHUANG Chun-Xi;SU Yuan-Da;TANG Xiao-Ming;School of Geosciences,China University of Petroleum;;A data-driven dispersive processing of LWD quadrupole wave data[J];地球物理学报;2017-12
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