博兴洼陷高89块沙四上亚段砂岩输导体系研究
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摘要
砂岩输导体系作为一种主要的油气输导体系,在博兴洼陷油气运移中起着重要作用。在分析博兴洼陷高89块地质背景的基础上,综合利用地震、钻井岩心、地层测试、测井、分析化验等资料,运用地质建模方法建立该区块沙四上亚段三维空间等时地层格架模型,然后通过沉积相建模做出砂体空间展布图,并以沉积相为约束条件建立砂体的孔隙度和渗透率模型,最后结合该区块砂体连通性及有效储层物性下限分析认为,纯下次亚段1砂组物性最好,高89井、樊142井和樊5-3井附近砂体最为发育且物性好,可作为优势输导体系,通过断层封堵可成为有利的油气聚集区。
Sandstonetransportsystem,asoneofthemain hydrocarbon transportsystem,isveryimportantfor hydrocarbon migration in Boxing Subsag.Based on the geologic setting,combined with the data of seismic,well drilling cores,formation test,logging and analysis testing,the geological modeling method was applied to establish the 3D isochronous stratigraphic framework model of Es 4 1 in Gao 89 block.Then the sand body distribution map was drawn by sedimentary facies modeling,and porosity model and permeability model were established under the constraint of sedimentary facies.At last,by analyzing sand body connectivity and reservoir property limit,it is considered that the reservoir properties of the sand group 1 of Chunxia sub-member are better than others.Sand bodies near Gao 89,Fan 142 and Fan 5-3 wells are favorable transport systems and hydrocarbon accumulation areas.
Sandstonetransportsystem,asoneofthemain hydrocarbon transportsystem,isveryimportantfor hydrocarbon migration in Boxing Subsag.Based on the geologic setting,combined with the data of seismic,well drilling cores,formation test,logging and analysis testing,the geological modeling method was applied to establish the 3D isochronous stratigraphic framework model of Es 4 1 in Gao 89 block.Then the sand body distribution map was drawn by sedimentary facies modeling,and porosity model and permeability model were established under the constraint of sedimentary facies.At last,by analyzing sand body connectivity and reservoir property limit,it is considered that the reservoir properties of the sand group 1 of Chunxia sub-member are better than others.Sand bodies near Gao 89,Fan 142 and Fan 5-3 wells are favorable transport systems and hydrocarbon accumulation areas.
引文
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[3]陈占坤,吴亚生,罗晓容,等.鄂尔多斯盆地陇东地区长8段古输导格架恢复[J].地质学报,2006,80(5):718-723.
[4]陈瑞银,罗晓容,吴亚生.利用成岩序列建立油气输导格架[J].石油学报,2007,20(6):43-46.
[5]张立宽,王震亮,曲志浩,等.砂岩输导层内天然气运移速率影响因素的实验研究[J].天然气地球科学,2007,18(3):342-346.
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[8]于兴河,李剑峰.碎屑岩系储层地质建模与计算机模拟[M].北京:地质出版社,1996:1-75.
[9]胡向阳,熊琦华,吴胜和.储层建模方法研究进展[J].石油大学学报:自然科学版,2001,25(1):107-112.
[10]张团峰,王家华.储层随机建模和随机模拟原理[J].测井技术,1995,19(6):391-397.
[11]吴胜和,李宇鹏.储层地质建模的现状与展望[J].海相油气地质,2007,12(3):53-59.
[12]穆龙新.油藏描述的阶段性及特点[J].石油学报,2000,21(5):103-108.
[13]蒋建平,康贤,邓礼正.储层物性参数展布的相控模型[J].成都理工学院学报,1995,22(1):12-17.
[14]操应长,王艳忠,徐涛玉,等.东营凹陷西部沙四上亚段滩坝砂体有效储层的物性下限及控制因素[J].沉积学报,2009,27(2):230-236.
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[16]邹灵.东营凹陷南部缓坡带沙四段滩坝砂储层分布及成藏主控因素[J].油气地质与采收率,2008,15(2):34-36.
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