This report by WesternGeco for Todd Energy details the processing sequence of the Mangahewa 2017 3D PSDM processing project located onshore Taranaki Basin. The 250 sq.km dataset consists of the Mangahewa 2017 3D, 1997 Mangahewa, 1993 McKee and 2001 Pohokura. The processing objectives were to create high quality pre-stack depth migrated volumes and the imaging challenges present in the pre-stack time volume is expected to be resolved. The primary data deliverables include gathers, PSDM full stacks volumes and velocity models.