As conventional hydrocarbon plays have become highly mature after more than 50 years of exploration, Petroleum Development Oman (PDO) is increasingly focusing towards un-conventional plays. The Ghudun stratigraphic play is one example where Ordovician Ghudun sandstone reservoirs are sealed by shales of the Safiq Group. The Safiq Group consists of three member formations named Saih Nihayda, Hasirah & Sahmah listed from late to young. The later is not dominantly present over most of North Oman but forms some reservoirs in West and Central Oman. The Ghudun reservoirs sit between shallower oil dominated Mesozoic to Permian producing formations and deeper Cambrian to pre-Cambrian oil and gas producing formations.


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