Cretaceous formations have been studied in number of wells at Al_Daww depression
by taking /57/ crashed samples for preps of studying their content of fossils of Foraminifers
and Ostracoda, study of Ostracoda reveals their important beside the fora
minifera in
stratigraphic determine and bled up layer correlations. Also, it reveals their important in
locating their sediment environment, wither shallow to medium depth in general but it
became relatively deep at upper Shiranish formation, and it may be concordant with natural
sediment formations studied. Layers correlation reveals’ increase formations thickness and
depth from north east toward North West that make more hope for oil in this directions.