P-062 DEMONSTRATION OF 3-D PRESERVED AMPLITUDE PSDM & AVA RELEVANCE R. M. BAINA 1 H. CALANDRA 2 and P. THIERRY 3 1 Ipedex detached to École des Mines de Paris 2 TotalFinaElf av. Larribau F-64018 Pau 3 École des Mines de Paris 35 rue Saint Honoré F- 77 305 Fontainebleau Summary. Preserved amplitude processing is now considered as a valuable tool for quantitative discrimination of lithologies and fluids in hydrocarbon reservoirs. Since industrial and real sized applications required accurate and efficient tools we present here a 3D synthetic example to show up to what point the amplitude information contained in