Text this: Optimal energy transfer pipe arrangement for acoustic drill string telemetry

  ____      _____    _____      ______            
 |  _ \\   |  ___|| |  __ \\   /_   _//     ___   
 | |_| ||  | ||__   | |  \ ||   -| ||-     /   || 
 | .  //   | ||__   | |__/ ||   _| ||_    | [] || 
 |_|\_\\   |_____|| |_____//   /_____//    \__ || 
 `-` --`   `-----`   -----`    `-----`      -|_|| 
                                             `-`