This report describes the analysis, testing and 3D processing and merging of various 3D surveys onshore Taranaki. This work was performed in 2016 by Key Seismic Solutions Ltd. for Greymouth Petroleum. Processing Goals were as follows: 1) Provide an optimal merged product of all 3Ds in the area. 2) Conventional processing to post-stack time migration. 3) AVO compliant processing to pre-stack time migration including provision of AVO compliant PSTM gathers suitable for subsequent pre-stack AVO analysis or inversion work.