Formation and Distribution of Giant Oil and Gas Fields in the South Caspian Basin

Abstract

Abstract: Based on the data from the 15 giant fields and by means of petroleum system analytical method, the tectonic and depositional evolutions and petroleum geologic conditions in the South Caspian basin are discussed. The research shows that most reserves of the basin are from the Maykop-Red Bed petroleum system, the large-sized strike-slip compaction structural belt in northern margin of this basin is in the most advantageous petroleum geologic conditions. The giant fields that have been found are typically located in this the structural belt. The fold belts along both the west and the east coastlines of the Caspian alo have good petroleum geologic conditions of source, reservoir and cap rocks, being helpful to be the favorable areas for future exploration. The Maykop-Red Bed formation is a young petroleum system, the generation and migration and accumulation of the hydrocarbon are still active. So, even the structural belt with high degrees of exploration in the northern margin of this basin still has a greater potential for petroleum exploration.

Key words: South Caspian basin, tectonic and depositional evolution, giant oil-gas field, ptroleum system, hydrocarbon accumulation, distribution

CLC Number:

TE112

GAO Min, HE Deng-fa. Formation and Distribution of Giant Oil and Gas Fields in the South Caspian Basin[J]. Xinjiang Petroleum Geology, 2011, 32(5): 569-574.

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