准噶尔盆地红车断裂带结构与成藏差异性分析

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Abstract Fractures in the Hongche fault belt are highly developed with complex system and a long extension of major fault. There are obvious differences in the fault characteristics and reservoir-forming control in different spatial parts. Based on the logging, core and high-precision 3D seismic data, according to the differences in fault property, combination style and activity intensity, the Hongche fault belt, in plane view, can be divided into two segments of north and south which are dominated by reverse and strike-slip faults respectively; while in profile, divided into upper extension and lower compression fault systems. The fault structure is developed in deep with strong cementation. The study on the fluid inclusions and cementation degree of fractures indicate that the sealing capacity of deep fault is poor in the early stage, yet that in the north getting better with the cementation process. The fracture is undeveloped in the sand-mudstone interbedded shallow part of the fault belt. The results of SGR, Rm, F and IFT suggest that the sealing of shallow part vary greatly in different periods. Specifically, the sealing of north segment is better than that of south in Early Cretaceous, while the case is the opposite during Middle and Late Paleogene-Early Neogene. The reservoir in the north is more abundant than that in the south, corresponding to ladder-like and flowerlike accumulation models separately.

Key words： fractural structure fault system reservoir-controlling difference Hongche fault belt Junggar Basin

Received: 05 February 2018

:	P542.3
	P618.130.1

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	Articles by authors
	WU Kong-you
	GUO Jian-xun
	YAO Wei-jiang
	LIU Qing
	LIU Yin
	LIU Bo

Cite this article:

WU Kong-you,GUO Jian-xun,YAO Wei-jiang等. ANALYSIS ON THE STRUCTURE AND ACCUMULATION DIFFERENCES OF HONGCHE FAULT BELT IN JUNGGAR BASIN[J]. GEOLOGY AND RESOURCES, 2019, 28(1): 57-65.

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http://manu25.magtech.com.cn/Jweb_dzyzy/EN/ OR http://manu25.magtech.com.cn/Jweb_dzyzy/EN/Y2019/V28/I1/57

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