https://www.dianomi.com/click.epl?pn=122923&offer=33292953&savid=318087&can_cookie=1&unique_id=aP_W9LgSdB6oBKs44Vz5cAAAAAI&adv=75916&said=71495&cf=456.3057.Hotcopper&smartreferer=https%3A%2F%2Fhotcopper.com.au%2Fthreads%2Fto-date-the-oil-in-place-volume-is-estimated-at-23-billion-barrels.6842037%2Fpage-80%3Fpost_id%3D62871957