砂砾岩储层物性演化及影响因素研究

doi:10.3969/j.issn.1673-8926.2016.02.001

Lithologic Reservoirs ›› 2016, Vol. 28 ›› Issue (2): 1-6.doi: 10.3969/j.issn.1673-8926.2016.02.001

Physical property evolution of glutenite reservoir and its influencing factors: A case study from northern steep slope zone in Dongying Sag

Yan Jianping^1,2,Yan Yu¹,Li Zunzhi²,Geng Bin³,Liang Qiang²

1. School of Geoscience and Technology ， Southwest Petroleum University ， Chengdu 610500 ， China ； 2. Sichuan Key Laboratory of Natural Gas Geology ， Southwest Petroleum University ， Chengdu 610500 ， China ； 3. Research Institute of Exploration and Development ， Shengli Oilfield Company ， Sinopec ， Dongying 257015 ， Shandong ， China

Online:2016-03-20 Published:2016-03-20

Abstract

Abstract:

The exploration and development of glutenite reservoir in the steep slope zone of fault basin in eastern China becomes more and more important, but the studies on the physical property evolution and influencing factors are relatively weak, which restricts the further exploration of oil and gas. Taking Paleogene glutenite in northern steep slope zone of Dongying Sag as an example, this paper used physical property data from 22 cored wells to obtain the evolution curve of porosity. Based on the data of thin slice, formation water, physical properties and grading analysis,the influencing factors such as formation water salinity, carbonate content, grain diameter and sorting coefficient etc, were analyzed from the aspects of diagenesis and sedimentation, which affects pore evolution of glutenite reservoir. It is found that cementation and dissolution are different in vertical zone, and the features of pore evolution are mainly affected and controlled by the character of formation water. The model of physical property evolution of glutenite in vertical was established. The result is very important for forecasting favorable reservoir and judging diagenetic environment.

Key words: carbonate rock , fractures, micro-fractures , quadruple-media, well test model

Yan Jianping,Yan Yu,Li Zunzhi,Geng Bin,Liang Qiang. Physical property evolution of glutenite reservoir and its influencing factors: A case study from northern steep slope zone in Dongying Sag[J].Lithologic Reservoirs, 2016, 28(2): 1-6.

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