https://www.dianomi.com/click.epl?pn=85381&offer=33292868&savid=221558&can_cookie=1&unique_id=aPSTCYEt3maDiu42NIoq8QAAAAo&adv=75916&said=71495&cf=456.3057.Hotcopper&smartreferer=https%3A%2F%2Fhotcopper.com.au%2Fthreads%2Fann-completion-of-pel-87-3d-seismic-program.7401070%2Fpage-170%3Fpost_id%3D68558322