Analysis on waveform trains in physical simulation on acoustic logging with linear phased array transmitter;

Introduction about APX acoustic logging while drilling apparatus;

Matching transmitted circuit by adjusting conductance parameters to realize the largest power excitation for the acoustic logging tool;

Directional reception and verification of acoustic well logging data;

Optimization design of amplitude weighting for linear phased array transmitters in acoustic well logging;

In the acoustic well logging, using linear phased array acoustic transmitters can make the acoustic energy radiate to the side of receivers, which can increase the S/N ratio and the depth of investigation .

Study of model well test for acoustic log.;

Measuring directivity of phased-array acoustic transmitter in acoustic log.;

Development of acoustic logging tool and study on its calibration pit;

Temperature property contrast experiment research of sonic logging piezoelectric transducer;

Key factors for improving the properties of sonic logging tool: frequency characters of the transducer;

Preliminary analysis on refracted slide wave of mudcake in sonic logging;