"Analysis of geological positions of the largest oil-and-gas-bearing basins, carried out on the basis of research data represented in the “Geological atlas of Russia” and other publications, allowed to mark out petroleum-bearing Ural-African oil and gas belt. This largest on the Earth belt of hydrocarbons accumulation is connected with the near-meridional band of a giant long-existing intercontinental faulting (rifting) zone preexistent since Riphean in the central part of Eurasia and elongated with smooth rejuvenation through Paleozoic and Mesozoic into the South Caspian region, Persian gulf and into African platform (meridian system of African rifts). PrimeOA Publications International is one of the leading Open Access Publishers which is publishing 700+ peer-reviewed journals with the support of 50,000+ editorial board members as editorial team and aimed to disseminate the scholarly knowledge to the scientific society. PrimeOA Publications also organizing 3000+ International Scientific Conferences and events yearly all over the world with the support of 1000+ Scientific associations worldwide.