PETROLEUM GEOLOGY CHARACTERISTICS AND PROSPECT OF BASIN GROUPS IN ARCTIC REGION

doi:10.3724/SP.J.2013.00304

Abstract

Abstract: As undiscovered, technically recoverable resources, there are over 400 billion barrels of oil(equivalent) in Arctic region which plays a significant role in future exploration and exploitation. This paper divided the Arctic region into Arctic sea area and circum-Arctic petroliferous basins based on geographic and geologic factor. Three basin groups- North Pacific basin group, Russian basin group and Western Europe basin group constitute the circum-Arctic petroliferous area according to tectonic evolution and the basin development history. Based on IHS data base and other information, this paper analyses the petroleum characteristics with paleoenvironment. The primary source rock in North Pacific basin group formed in Jurassic and Cretaceous. Main reservoir located in Brookian Sequence mostly. Basins in Russian basin group have Paleozoic basement. 60% of the source rock and major reservoir which composed by marine sediment are from Mesozoic while the significant cap rock located in Mesozoic. Western Europe basin group's source rock and reservoir both located in Mesozoic up to the expansion and move of North Atlantic Ocean Ridge. Self-generating is the main hydrocarbon accumulation mode. Russian basin group has a majority reserves which occupies over 45% in total reserves and contains great exploration potential.

Key words: Arctic region, basin groups, petroleum geology characteristics, reserve distribution, resources potential

Yang Jingyi，Li Jianghai，Mao Xiang. PETROLEUM GEOLOGY CHARACTERISTICS AND PROSPECT OF BASIN GROUPS IN ARCTIC REGION[J]. ADVANCES IN POLAR SCIENCE, 2013, 25(3): 304-314.

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