[1]郭华军,单祥,李亚哲,等.玛湖凹陷北斜坡百口泉组储集层物性下限及控制因素[J].新疆石油地质,2018,(英文精选版):28.[doi:10.7657/XJPG20180108]
 GUO Huajun,SHAN Xiang,LI Yazhe,et al.Lower Limits of Reservoir Physical Properties and Controlling Factors of Baikouquan Formation on the Northern Slope of Mahu Sag[J].Xinjiang Petroleum Geology,2018,(英文精选版):28.[doi:10.7657/XJPG20180108]
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玛湖凹陷北斜坡百口泉组储集层物性下限及控制因素()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2018年英文精选版
页码:
28
栏目:
出版日期:
2019-06-01

文章信息/Info

Title:
Lower Limits of Reservoir Physical Properties and Controlling Factors of Baikouquan Formation on the Northern Slope of Mahu Sag
文章编号:
1001-3873(2018)01-0063-07
作者:
郭华军单祥李亚哲邹志文王力宝
(中国石油 杭州地质研究院,杭州 310023)
Author(s):
GUO Huajun SHAN Xiang LI Yazhe ZOU Zhiwen WANG Libao
(Hangzhou Research Institute of Geology, PetroChina, Hangzhou, Zhejiang 310023, China)
关键词:
玛湖凹陷北斜坡百口泉组砂砾岩有效储集层分布函数曲线法试油法物性下限控制因素
Keywords:
Mahu sag northern slope Baikouquan formation effective sandy conglomerate reservoir distribution function curve method formation test method lower limit of physical property controlling factor
分类号:
TE112.23
DOI:
10.7657/XJPG20180108
文献标志码:
A
摘要:
综合运用试油、岩心分析和测井解释资料,利用分布函数曲线法和试油法,求取了玛湖凹陷北斜坡下三叠统百口泉组不同深度范围内的砂砾岩有效储集层物性下限,运用回归分析法对物性下限与深度进行了拟合。在此基础上,利用物性差值分析了岩相、沉积微相和成岩作用对砂砾岩有效储集层发育的影响。研究表明:研究区有效储集层物性下限随深度增加呈现逐渐降低的趋势;有效储集层发育主要受沉积微相和岩相类型的控制,成岩作用对其影响相对较弱,水下分流河道微相和辫状河道微相是有效储集层最有利发育区,板状交错层理砂岩相和槽状交错层理砂砾岩相有效储集层最发育;研究区砂砾岩主要处于中成岩阶段A期,有机质热演化释放的有机酸溶蚀长石形成次生孔隙,改善储集层物性,弱压实-弱溶蚀成岩相以及不稳定组分溶蚀成岩相有效储集层最发育。
Abstract:
Based on the comprehensive application of the data on formation test, core analysis and logging interpretation, the low limits of physical properties of effective sandy conglomerate reservoirs in the Lower Triassic Baikouquan formation on the northern slope of Mahu sag are determined by using the distribution function curve method and formation test method, and regression analysis method is used to match the lower limits of physical properties with depth. Based on which, lithofacies, sedimentary microfacies and diagenesis are analyzed by using the differences of reservoir physical properties. The results show that the lower limits of effective reservoir physical properties exhibit a trend of gradual decrease with the increase of depth in the study area; the development of effective reservoirs is mainly controlled by sedimentary microfacies and lithofacies, and weakly influenced by diagenesis. Microfacies of underwater distributary channel and braided channel are the most favorable areas for effective reservoir development, and tabular cross-bedding and trough cross-bedding are the most favorable lithofacies for effective reservoir development; the sandy conglomerate in the study area is mainly in the A stage of the middle diagenetic period, the secondary pores result from feldspar dissolved by organic acid which is liberated from thermal evolution of organic matter, which can improve reservoir physical properties, the effective reservoirs with the diagenetic faices of weak-compaction-weak-corrosion and unstable component corrosion are the most developed

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更新日期/Last Update: 2019-06-17