Systems and methods for analyzing casing bonding in a well using radial sensing

A method for isolation detection in a wellbore, the method comprising:

• obtaining recorded data including radial acoustic waves transmitted and received using a radial sensor of an acoustic logging tool deployed in the wellbore;
• separating a first set of waves of the radial acoustic waves from a second set of waves of the radial acoustic waves by converting the recorded data from a time domain to a frequency domain, the first set of waves corresponding to a first direction of radial propagation and the second set of waves corresponding to a second direction of radial propagation;
• shifting the first set of waves into a first set of shifted waves and the second set of waves into a second set of shifted waves;
• generating a forward wave by combining the first set of shifted waves and a reflected wave by combining the second set of shifted waves;
• and
• identifying one or more isolation regions in the wellbore using the forward wave and the reflected wave.