Relationship between JX1-1 Inversion Tectonics and Hydrocarbon Accumulation of the Northern Offshore Bohai Bay Basin

QIANG Kun-sheng, Lv Xiu-xiang, ZHOU Xin-huai, XU Chang-gui, TU Dan-feng, LAN Xiao-dong

doi:10.11764/j.issn.1672-1926.2013.02.329

Natural Gas Geoscience >

2013 , Vol. 24 >Issue 2: 329 - 334

DOI: https://doi.org/10.11764/j.issn.1672-1926.2013.02.329

Relationship between JX1-1 Inversion Tectonics and Hydrocarbon Accumulation of the Northern Offshore Bohai Bay Basin

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1.Basin and Reservoir Research Center, China University of Petroleum, Beijing 102249, China; 2.State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China; 3.CNOOC (China) Ltd.,Tianjin 300452, China

Received date: 2012-07-23

Revised date: 2012-11-22

Online published: 2013-04-10

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Abstract

Based on the high-resolution 3-D seismic profiles and combined with coherent technology and other advanced seismic data processing as well its interpretation techniques,we discussed and studied the deformation characteristics of the inversion in the JX1-1 area,and analyzed the relationship between JX1-1 inversion tectonics and hydrocarbon accumulation in Liaodongwan offshore of Bohai Bay basin.There are numerous faults of varying scales in JX1-1 area,and the NE-trending faults are predominant.Too large inversion is not favorable for the shallow hydrocarbon accumulation in Neogene.The Tan-Lu fault's transition and turning parts of the Paleogene inversion tectonics zone are the favorable objectives for oil and gas exploration in the offshore Bohai Bay basin.JX1-1 region in the Tan-Lu strike-slip fault stresses under the effect of reversal,during the late sedimentary periods of the Paleogene Shahejie Formation,forming a good anticline structure.In the Paleogene Dongying Formation deposition period,it continued to uplift,until the late Paleogene and early Neogene inversion structures have been formed.The JX1-1 inversion tectonics had also significant influences on the formation of the structural traps,spatial distribution of sedimentary systems and hydrocarbon migration,as well as improvement on reservoir properties.

Key words： Offshore Bohai Bay basin; Inversion tectonics; Liaozhoang depression; Hydrocarbon accumulation

Cite this article

QIANG Kun-sheng, Lv Xiu-xiang, ZHOU Xin-huai, XU Chang-gui, TU Dan-feng, LAN Xiao-dong . Relationship between JX1-1 Inversion Tectonics and Hydrocarbon Accumulation of the Northern Offshore Bohai Bay Basin[J]. Natural Gas Geoscience, 2013 , 24(2) : 329 -334 . DOI: 10.11764/j.issn.1672-1926.2013.02.329

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