Petroleum plays in rift basins and extensional structures

Liu Hefu; Li Xiaoqing; Liu Liqun; Hou Gaowen; Bian Haijun

doi:10.11743/ogg20050501

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Petroleum plays in rift basins and extensional structures
Vol. 26, Issue 5, Pages: 537-552(2005)
Online First：25 October 2005，

Published：2005
DOI： 10.11743/ogg20050501
稿件说明：

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DOI：

Liu Hefu, Li Xiaoqing, Liu Liqun, et al. Petroleum plays in rift basins and extensional structures[J]. 2005, 26(5): 537-552. DOI： 10.11743/ogg20050501.

摘要

全球裂谷系广泛发育于板块构造旋回的各个阶段及各种环境中

包括:1)大陆裂谷;2)新生洋盆;3)伸展大陆边缘;4)弧后裂谷;5)碰撞裂谷等。全球典型裂谷系的形成机制主要有:1)主动裂谷;2)被动裂谷;3)复合裂谷。成藏区带是总油气系统(TPS)中的基本评价单元(AU)。裂谷盆地中广泛发育各种成藏区带

根据正断层的卷入层次及不同构造环境中的沉积体系

主要划分出4种类型:1)掀斜断块带;2)滚动构造带与三角洲体系;3)坡折带与礁滩层序;4)调节带与浊积扇体系。

Abstract

Rift systems in the world are widely developed in various stages and various environments of plate tectonic cycle

including(1) continental rift

(2) nascent ocean

(3) extensional continental margin

(4) back-arc rift

and(5) collision rift.The forming mechanisms of typical rift systems in the world mainly include(1) active rift

(2) passive rift

and(3) complex rift.Play is the basic assessment unit(AU) of the total petroleum system(TPS). Various kinds of plays are extensively developed in rift basins.According to horizons cut by normal faults and sedimentary system in different tectonic environments

four kinds of plays can be recognized

including(1) tilted fault block belt

(2) rollover structural belt and delta system

(3) slope break belt and reef-bank sequences

and(4) accommodation zone and turbidity fan system.