LATE JURASSIC-EARLY CRETACEOUS RIFTING IN NORTH SEA AND ITS CONTROL ON HYDROCARBON ACCUMULATION

GONG Jianming; LEI Baohua; LI Guihai; ZHANG Shengyin; LIAO Jing

2012 Vol. 28, No. 3

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GONG Jianming, LEI Baohua, LI Guihai, ZHANG Shengyin, LIAO Jing. LATE JURASSIC-EARLY CRETACEOUS RIFTING IN NORTH SEA AND ITS CONTROL ON HYDROCARBON ACCUMULATION[J]. Marine Geology Frontiers, 2012, 28(3): 34-39.

Citation:

GONG Jianming, LEI Baohua, LI Guihai, ZHANG Shengyin, LIAO Jing. LATE JURASSIC-EARLY CRETACEOUS RIFTING IN NORTH SEA AND ITS CONTROL ON HYDROCARBON ACCUMULATION[J]. Marine Geology Frontiers, 2012, 28(3): 34-39.

LATE JURASSIC-EARLY CRETACEOUS RIFTING IN NORTH SEA AND ITS CONTROL ON HYDROCARBON ACCUMULATION

1 Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, Qingdao 266071, China;
2 Bureau of Marine Geological Survey of Hainan Province, Haikou 570206, China;
3 Key Laboratory of Petroleum Resources Reseach, Chinese Academy of Sciences, Lanzhou 73000, China

Received Date: 08 October 2011

Abstract

Abstract

Controlling factors on hydrocarbon accumulation in the North Sea Basin were studied in this paper based on previous research data. It reveals that there is a double-layer structure in the trifurcate rift grabens. The lower layer is a faulting structure formed by the movement of stretch rifting by the end of Late Jurassic, while the upper is a depressed structure formed by the thermal subsidence after Early Cretaceous. Most of the main faults occurs in the strata older than Cretaceous. The plays of hydrocarbon accumulation are Mesozoic fault-anticline sandstone controlled by the lower rift structure. Therefore, the rift stretching during Late Jurassic-Early Cretaceous is the main controlling factor to hydrocarbon accumulation.
- Late Jurassic /
- rift movement /
- hydrocarbon accumulation /
- North Sea Basin