SEDIMENTARY SYSTEM DISTRIBUTION AND SUBTLE TRAPS EXPLORATION OF LIANMUQIN FORMATION CRETACEOUS，SHENGBEI STRUCTURE ZONE,SHENGBEI SAG

YANG Zhan-long;CHEN Qi-lin;GUO Jing-yi;LI Zai-guang;HUANG Yun-feng;WU Qing-peng;LI Hong-zhe

doi:10.11764/j.issn.1672-1926.2006.01.89

2006 , Vol. 17 >Issue 1: 89 - 93

DOI: https://doi.org/10.11764/j.issn.1672-1926.2006.01.89

SEDIMENTARY SYSTEM DISTRIBUTION AND SUBTLE TRAPS EXPLORATION OF LIANMUQIN FORMATION CRETACEOUS，SHENGBEI STRUCTURE ZONE,SHENGBEI SAG

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Northwest Branch, Research Institute of Petroleum Exploration and Development, PetroChina, Lanzhou 730020，China

Received date: 2005-06-13

Revised date: 2005-08-11

Online published: 2006-02-20

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Abstract

Lianmuqin Formation of Cretaceous,Shengbei structure zone of Shengbei Sag,Turban-Harmy basin,belongs to typical fan-deltaic front sedimentary system of north sediment source.The sandstone bodies of this sedimentary system are buried in shallow position and in good quality of porosity and permeability.Shengbei structure zone and its south flank are the main position for sandstone and available for the north pinch out subtle traps development.Combined the background of upheaval in sag and cling to the strike--shift faults of Shengbei F3 and F4, which join the hydrocarbon source rocks of coal-bearing series of Shuixigou group, lower-middle Jurassic and lacustrin e mudstone of Qiketai formation of middle Jurassic, the Shengbei structure zone and its south flank are favorable shallow position for secondary subtle traps ex ploration of Cretaceous in Shengbei sag.

Key words： Sedimentary system; Pinch upword; Subtle traps; Lianmuqin formation; Shengbei Sag.

Cite this article

YANG Zhan-long;CHEN Qi-lin;GUO Jing-yi;LI Zai-guang;HUANG Yun-feng;WU Qing-peng;LI Hong-zhe . SEDIMENTARY SYSTEM DISTRIBUTION AND SUBTLE TRAPS EXPLORATION OF LIANMUQIN FORMATION CRETACEOUS，SHENGBEI STRUCTURE ZONE,SHENGBEI SAG[J]. Natural Gas Geoscience, 2006 , 17(1) : 89 -93 . DOI: 10.11764/j.issn.1672-1926.2006.01.89

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