US Patent 12066142 Pipeline pig tracking and locator

An exemplary pipeline pig tracking and locator system includes a low frequency electromagnetic receiver in communication with a control circuit to communicate a received low frequency electromagnetic signal to the control circuit, where the control circuit is configured to transform the received low frequency electromagnetic signal to an audible frequency signal; and a speaker in communication with the control circuit to output the audible frequency signal. Additional embodiments of the present disclosure pertain to a method for locating a pipeline pig in a pipeline by utilizing the systems of the present disclosure.