CHARACTERISTICS OF HYDROCARBON ACCUMULATION IN NORTH SEA BASIN
Shi Ming Ji
Abstract
Shi Ming Ji
Abstract
This study is devoted to the characteristics of hydrocarbon accumulation in North Sea Basin.The result shows that North Sea Basin is an oil-bearing rift basin,characterized by the hydrocarbon distribution pattern of Oil in the North and Gas in the South.There are several types of oil and gas traps in this basin.In the southern basin,the traps are controlled by the evaporite of Zechstein Formation and the late Cretaceous inversion,while traps in the northern basin are affected by regional extension during Late Jurassic-Early Cretaceous.The genetic types of hydrocarbon accumulation can be basically classified as source to reservoir and old source to new reservoir in North Sea Basin.The plays are typed as source to reservoir in the southern basin.However,in the northern basin,plays belong to a complex type including both the source to reservoir and old source to new reservoir.
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This study is devoted to the characteristics of hydrocarbon accumulation in North Sea Basin.The result shows that North Sea Basin is an oil-bearing rift basin,characterized by the hydrocarbon distribution pattern of Oil in the North and Gas in the South.There are several types of oil and gas traps in this basin.In the southern basin,the traps are controlled by the evaporite of Zechstein Formation and the late Cretaceous inversion,while traps in the northern basin are affected by regional extension during Late Jurassic-Early Cretaceous.The genetic types of hydrocarbon accumulation can be basically classified as source to reservoir and old source to new reservoir in North Sea Basin.The plays are typed as source to reservoir in the southern basin.However,in the northern basin,plays belong to a complex type including both the source to reservoir and old source to new reservoir.
Key concepts: Structural basin, Geology, Cretaceous, Source rock, Evaporite, Rift, Inversion (geology), Basin modelling