Mechanical　pigging　is　a　major　wax　removal　technique　in　crude　oil　pipeline　transportation.　To　lower　the　risk　of　pig　stalling　accidents　in　pigging,　a　superparamagnetic　nanoparticle　(SPM-NP)　pigging　system　that　consists　of　an　electromagnetic　pig　and　nanopaint　is　designed　to　soften　the　wax　deposit　and　reduce　the　wax　resistive　force.　During　pigging,　the　induction　coil　on　the　pig　generates　an　alternating　magnetic　field,　which　induces　heat　production　of　the　nanopaint　on　the　pipe　wall.　The　COMSOL　software　is　used　to　simulate　the　temperature　distribution　of　the　wax　layer.　Yield　stress　measurements　reveal　that　the　wax　layer　yield　stress　is　nearly　linearly　correlated　to　temperature.　Compared　with　a　regular　pig,　the　SPM-NP　pigging　system　reduces　the　wax　resistive　force　by　up　to　20~40%,　with　an　acceptable　electrical　current　intensity　of　about　20　A　in　the　given　cases.　Multiple　factors　affecting　the　wax　layer　temperature　were　analyzed.　SPM-NP　heating　could　be　a　promising　technique　for　wax　remediation　and　hydrate　prevention.　©　2022　by　the　authors.