Abstract: The results of studying the histoy of geological development of the Pre-Black-Sea-Area basin of the Tethys northern margin are given.It is concluded that the rivers drifting detritai material from the northern mainland were of main importance in sedimentation.Oil and gas per-spectives is connected with the zones of influence of paleo-rivers fans where clinoform of psam-mitic collectors take place.It is confirmed by the discovery of a number of fields belonging to the paleo-Don-Kuban and paleo-Danube-Dnieper avantdeltas.