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松辽盆地三肇凹陷葡萄花油层成藏模式初探
引用本文:孙雨,马世忠,刘云燕,刘宗堡,于利民.松辽盆地三肇凹陷葡萄花油层成藏模式初探[J].地质科学,2008,43(4):746-757.
作者姓名:孙雨  马世忠  刘云燕  刘宗堡  于利民
作者单位:1. 大庆石油学院地球科学学院 黑龙江 大庆 163318;2. 大庆油田有限责任公司第八采油厂 黑龙江 大庆 163514
摘    要:运用源控含油气系统理论与综合分析技术,按成藏“层次分析”方法,通过对生、储、盖、圈(闭)静态要素及其内生、排、运、聚、散(失)动态过程的综合研究,对松辽盆地中央坳陷的三肇凹陷葡萄花油层成藏条件进行探讨,提出了以次级凹陷为中心、不同类型的油气聚集带紧邻并围绕次级凹陷最低部位呈环带状分布的大型凹陷内成藏模式,并进一步提出永乐次级凹陷中心及其三级聚油环带及徐家围子次级凹陷以西为"网式"运聚特征;在凹陷级成藏模式的指导下,通过对大面积密井网开发区综合解剖,提出三级构造带中单个的局部构造圈闭(群)、单个的(局部构造——)岩性圈闭(群)控油和成藏规律,为认识本区基本控油单元、油水分布规律、油气勘探及扩大新探区提供重要的理论依据。

关 键 词:成藏模式  葡萄花油层  局部构造  三级构造  三肇凹陷  松辽盆地
收稿时间:2007-10-24
修稿时间:2007-10-24;

A preliminary study on models of hydrocarbon accumulations of the Putaohua oil layer in the Sanzhao Sag,Songliao Basin
Sun Yu,Ma Shizhong,Liu Yunyan,Liu Zongbao,Yu Limin.A preliminary study on models of hydrocarbon accumulations of the Putaohua oil layer in the Sanzhao Sag,Songliao Basin[J].Chinese Journal of Geology,2008,43(4):746-757.
Authors:Sun Yu  Ma Shizhong  Liu Yunyan  Liu Zongbao  Yu Limin
Institution:1. College of Geosciences, Daqing Petroleum Institute, Daqing, Heilongjiang 163318;2. No. 8 Oil Production Company of Daqing Oilfield Company Ltd., Daqing, Heilongjiang 163514
Abstract:In the light of theory of source controlling petroleum system and by the technology of synthetic analyses,the accumulative conditions of the Putaohua oil layer in the Sanzhao Sag,Central Depression,Songliao Basin,were comprehensively studied in the dynamic procedure of source,reservoir,cap rocks,trap static elements and their internal generation,hydrocarbon-discharge,migration,accumulation and dispersion.The paper presented a model for hydrocarbon accumulations in huge sag,which could be concluded to have a sub-sag as centre,some closed neighbouring hydrocarbon accumulation zones with different types,and to have a girdle-shaped distribution around the lowest position of the sub-sag.Furthermore,the features of three-level girdle zones of hydrocarbon accumulation around the centre of the Yongle Sub-Sag and "meshwork"-shaped migration and accumulation to the west of the Xujiaweizi Sub-Sag were discussed.In the direction of the model of hydrocarbon accumulations in huge sag,based on a detailed analyses in an area with infill well,the paper put forward some laws of oil-controllings and hydrocarbon accumulations on single and local structural trap (group) or single and local structure-lithologic trap (group),which supported an important theoretical foundation for understanding the basic hydrocarbon controlling units,oil/water distribution laws,oil-gas exploration potentials and expanding new drilling areas.
Keywords:Model for hydrocarbon accumulations  The Putaohua oil layer  Local structure  Three-level structures  The Sanzhao Sag  The Songliao Basin
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