Petrology and Diagenesis Study of Rutbah Formation in Omar fields in Euphrates graben

Al Rutba Formation , bellowing to the upper Cretaceous, is one the main formation of the stratigraphical coumn of Euphrate Depression. It is importance becomes from that it can statute the principle petroleum reservoir in high member of the depression fields. Producing oil and the natural gas. The importance of this group is to be the main reservoir of oil in various fields of low oil producing natural gas. The present study is based on subsurface geological data, presented by cores, well logs and chemical results of the analyses laboratory.