Dynamic transducer normalization

A method comprising:

• disposing a downhole tool into a borehole, wherein the downhole tool comprises:
• a measurement assembly, wherein the measurement assembly comprises a first transducer and a second transducer;
• transmitting a first excitation from the first transducer and a second excitation from the second transducer;
• recording a first reflected waveform with the first transducer to form a first data set from the first excitation;
• recording a second reflected waveform with the second transducer to form a second data set from the second excitation;
• averaging the first data set to form an average reflection amplitude of the first transducer;
• averaging the second data set to form an average reflection amplitude of the second transducer;
• estimating a first sensitivity correction factor for the first data set by dividing the average reflection amplitude of the first transducer by the sum of the average reflection amplitude of the first transducer and average reflection amplitude of the second transducer;
• applying the first sensitivity correction factor to at least a portion of the first data set to form a first sensitivity corrected data set;
• estimating a second sensitivity correction factor for the second data set by dividing the average reflection amplitude of the second transducer by the sum of the average reflection amplitude of the first transducer and average reflection amplitude of the second transducer;
• applying the second sensitivity correction factor to at least a portion of the second data set to form a second sensitivity corrected data set;
• stacking the first sensitivity corrected data set amplitudes to form a first image;
• stacking the second sensitivity corrected data set amplitudes to form a second image;
• comparing the first image and the second image;
• and
• displaying the first image and the second image at a common depth and an azimuth window.

A system comprising:

• a measurement assembly comprising:
• a first transducer connected to the measurement assembly and configured to transmit a first excitation;
• and
• a second transducer connected to the measurement assembly and configured to transmit a second excitation;
• and
• an information handling system configured to:
• record a first reflected waveform with the first transducer to form a first data set from the first excitation;
• record a second reflected waveform with the second transducer to form a second data set from the second excitation;
• average the first data set to form an average reflection amplitude of the first transducer;
• average the second data set to form an average reflection amplitude of the second transducer;
• estimate a first sensitivity correction factor for the first data set by dividing the average reflection amplitude of the first transducer by the sum of the average reflection amplitude of the first transducer and average reflection amplitude of the second transducer;
• apply the first sensitivity correction factor to at least a portion of the first data set to form a first sensitivity corrected data set;
• estimate a second sensitivity correction factor for the second data set by dividing the average reflection amplitude of the second transducer by the sum of the average reflection amplitude of the first transducer and average reflection amplitude of the second transducer;
• apply the second sensitivity correction factor to at least a portion of the second data set to form a second sensitivity corrected data set;
• stack the first sensitivity corrected data set amplitudes to form a first image;
• stack the second sensitivity corrected data set amplitudes to form a second image;
• and
• compare the first image and the second image.