Exploration prospects of low-mature oil/gas in the shallow layers of the A'nan Sag,the Erlian Basin

Dong Yong; Ma Liqiao; Sun Fengxia

doi:10.11743/ogg20070511

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Exploration prospects of low-mature oil/gas in the shallow layers of the A'nan Sag,the Erlian Basin
Vol. 28, Issue 5, Pages: 610-614(2007)
Online First：25 October 2007，

Published：2007
DOI： 10.11743/ogg20070511
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DOI：

Dong Yong, Ma Liqiao, Sun Fengxia. Exploration prospects of low-mature oil/gas in the shallow layers of the A'nan Sag,the Erlian Basin[J]. 2007, 28(5): 610-614. DOI： 10.11743/ogg20070511.

摘要

基于沉积环境、烃源岩分布、浅层断裂构造等条件

初步探讨了阿南凹陷浅层低熟油气的勘探潜力

认为下白垩统腾格尔组一段上部和腾格尔组二段发育厚层低熟烃源岩

具备一定的生烃潜力;浅层断裂带可构成烃类垂向运移的优势通道;浅层大型背斜是形成规模油气聚集的有利场所。建议开展针对浅层腾格尔组二段油气目的层系的勘探研究。

Abstract

Exploration prospect of low-mature oil/gas in shallow of A'nan sag of Erlian basin is discussed based on sedimentary environments

distribution of source rocks

and shallow fault systems.It is believed that thick low-mature source rocks are developed in the upper 1

member and 2

member of Tengge'er Formation of the Lower Cretaceous and have certain potential for hydrocarbon generation;the shallow fault systems might act as the major vertical pathways for hydrocarbon migration;and the shallow large anticlines are favorable for large-scale hydrocarbon accumulation.Therefore

it is proposed to carry out a systematic study of exploration in the shallow 2nd member of Tengge'er Formation.