THE TECTONIC CHARACTERISTICS OF THE MIDDLE STRUCTURAL BELT INLIANYUAN DEPRESSION AND ITS PROSPECT ON GAS POOL FORMATION
Received date: 2005-04-07
Revised date: 2005-06-23
Online published: 2005-10-20
It is always a big problem in hydrocarbon resource exploration in exposed marine strata. Based on the analysis of basement, the evolution of the cap rocks, andthe stress property of each structure stages, the structure style has been studied in detail. The tectonic pattern is of cap rock detachment style, and the keytectonic elements are duplex and listric nappe thrust.It is concluded that the main tectonic pattern was developed in the Indo-Chinese Stage, and settled in the middle to late of Yanshan Stage. With the analysis of source rocks, potentialof hydrocarbon and trap condition, the main trap types have been classified. Bythe consistency analysis of hydrocarbon movement and structural traps formation, the next steps in exploration have been brought forward.
Key words： Duplex; Structure style; Pool forming; Lianyuan depression; Trap.
WANG Ming-yan, GUO Jian-hua, KUANG Li-xiong, ZHU Rui, ZHOU Xiao-kang . THE TECTONIC CHARACTERISTICS OF THE MIDDLE STRUCTURAL BELT INLIANYUAN DEPRESSION AND ITS PROSPECT ON GAS POOL FORMATION[J]. Natural Gas Geoscience, 2005 , 16(5) : 581 -586 . DOI: 10.11764/j.issn.1672-1926.2005.05.581
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