南堡凹陷油气分布特征与主控因素分析
姜福杰;董月霞;庞雄奇;汪英勋;郭继刚;范柏江
【期刊名称】《现代地质》 【年(卷),期】2013(000)005
【摘要】The Nanpu sag is one of the most petroliferous sags in Bohaiwan basin,within which the hydrocar-bons are unevenly distributed.Horizontally,oil resources are mainly distributed in the Nanpu No.1 tectonic zone,followed by the No.2 tectonic zone,while gas resources are mainly distributed in the Nanpu No.1 ,No.2 and No.5 tectonic zone.In terms of land and offshore,oil and gas resources are mainly distributed in beach areas.Vertically,oil and gas resources are mainly distributed in above-source plays,and oil and gas resources in Member 1 of the Dongying Formation are the most,and relatively fewer in
inside-source
plays
and
below-source
plays.According
to
comprehensive analysis on elements of hydrocarbon accumulation,oil and gas distri-bution in the Nanpu sag are mainly controlled by the following factors.Firstly,source rocks have controlled the distribution areas of hydrocarbon reservoirs.The study shows more than 80% of hydrocarbon reservoirs have located in the place which is within 15 kilometers from expulsion center.Secondly,the favorable sedimentary facies
have
controlled
the
sand
distribution
and
reservoir
properties,thus they have controlled the distribution of the lays of
南堡凹陷油气分布特征与主控因素分析
