HYDROCARBON MIGRATION PATHWAY IN LENGHUNANBAXIAN STRUCTURAL BELT,THE NORTHERN QAIDAM BASIN

doi:10.3863/j.issn.1000-2634.2008.03.007

西南石油大学学报(自然科学版) ›› 2008, Vol. 30 ›› Issue (3): 24-28.DOI: 10.3863/j.issn.1000-2634.2008.03.007

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HYDROCARBON MIGRATION PATHWAY IN LENGHUNANBAXIAN STRUCTURAL BELT,THE NORTHERN QAIDAM BASIN

QU Jiang-xiu，GAO Chang-hai，ZHA Ming

Faculty of Georesource and Information，China University of Petroleum，Dongying Shandong 257061，China

Received:2007-01-28 Revised:1900-01-01 Online:2008-06-20 Published:2008-06-20

Abstract

Abstract: The practice of hydrocarbon exploration in LenghuNanbaxian structural belt,the northern Qaidam Basin,shows that there are mainly three types of hydrocarbon migration pathways within the studied area,connected sand bodies and unconformityes are lateral migration pathways and faults are vertical migration pathways.The hydrocarbon migration pathways and their relationship with hydrocarbon accumulation are studied by synthetically applying the theories and methods of modern hydrocarbon accumulation and geophysics,geology,seismics,logging and analysis assay data.The results show that the types of hydrocarbon migration pathways and the assembly patterns are main control factors for hydrocarbon migration,accumulation and poolforming.This research approaches the control of the transport layers(unconformity,connected sand body,fault and its assembly pattern) on hydrocarbon migration,accumulation and poolforming and relationship with hydrocarbon formation and distribution,which can guide the practice of hydrocarbon exploration.

Key words: unconformity, connected sand body, fault, hydrocarbon accumulation, Qaidam Basin

CLC Number:

TE122.1

QU Jiang-xiu;GAO Chang-hai;ZHA Ming. HYDROCARBON MIGRATION PATHWAY IN LENGHUNANBAXIAN STRUCTURAL BELT,THE NORTHERN QAIDAM BASIN[J]. 西南石油大学学报(自然科学版), 2008, 30(3): 24-28.

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HYDROCARBON MIGRATION PATHWAY IN LENGHUNANBAXIAN STRUCTURAL BELT,THE NORTHERN QAIDAM BASIN

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