THE SOUTHEASTERN PART OF THE GULF OF MEXICO: A NEW PETROLEUM PROVINCE OF THE 21ST CENTURY

Rivera, G. L. (Petroleum Research center of CUPET (Cuba)) | Perez, O. (Petroleum Research center of CUPET (Cuba))

OnePetro 

THE SOUTHEASTERN PART OF THE GULF OF MEXICO: A NEW PETROLEUM PROVINCE OF THE 21ST CENTURY J. G. L. Rivera, Petroleum Research center of CUPET (Cuba) J. O. L. quintero; R. T. Perez This paper focuses its attention in the possible existence of giant oil fields in the Southern sector of the Gulf of Mexico, which is an unexplored, practically virgin area, belonging to the Gulf of Mexico Petroleum Megaprovince. There were analysed data, information and researched on the petroleum geology obtained in the sector and surrounding areas, including 7200 kms of 2D seismic, shot in 1999. The most important aspects are the following: ­ The presence of five main tectonic elements: the Cuban Thrust Belt to the south, the foreland basin to the North, the peripheries of Florida and Yucatan platforms, seperated by an abisal marine basin. The Mesozoic and Tertiary sedimentary thickness are considerable. ­ The development of up to six source rocks levels (Jurassic-Eocene).Among them stand out for their extraordinary richness, those of the Tithonian and Middle Cretaceous, that could be extended in about 30000­60000 km2 area. ­ The existence of an enormous oil kitchen, developed in an important part of the area, able to charge traps like Varadero oil field with more than 2.0 billion barrels of oil in place. ­ The presence of plays associated to drag folds in the triangle area of the thrust belt, reefs of the platform border, carbonate brecchia of the foot of the bank and tertiary turbidites. The traps areas reach from dozen km2, until more than 100 km2, with structural relieves of hundred of meters. ­ The possible presence of four petroleum systems that influence each other. ­ The analogy of the petroleum systems and the types of present oil fields between the studied sec- tor and the prolific basins of the Southeast and central east of Mexico. As a conclusion there are big possibilities for the discovery of giant good quality oil fields at the Southeastern Sector of the Gulf of Mexico. BLOCK 1 -- FORUM 2 155

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