Reservoir Characteristics and Influential Factors in the Eastern Depression of the North Yellow Sea Basin
详细信息
- 责任者：Liang Jie (Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology ; Ministry of Land and Resource ; Qingdao 266071 ; China) ; Wen Zhenhe
- 刊名：Marine Geology & Quaternary Geology
- 出版年：2013
- 卷期：33(2)
- 关键词：砂岩储集层 ; sandstone reservoirs ; 储层性质 ; reservoir properties ; 北黄海盆地 ; North Yellow Sea Basin
- 页码：p.111-119
- 图表：illus., 1 table, 5 refs.
- 分类号：1003
- issnNo：ISSN0256-1492
- isbnNo：CN37-1117/P
摘要
Mesozoic and Cenozoic deposits occur widely in the Eastern Depression of the North Yellow Sea Basin.The Jurassic and Cretaceous are the main targets for hydrocarbon reservoirs.Based on the data from the surveys recently conducted for oil and gas resources,and together with the data from regional geological surveys in the region,we studied the characteristics of the Cretaceous reservoirs in this paper.Our results indicate that the reservoirs in the study area are low or very low in both porosity and permeability.The storage spaces are mainly provided by secondary interstitial pores formed by dissolution and fracturing.The deposits have suffered from various types of diagenesis,such as compaction,cementation,replacement,and dissolution.The strong compaction and cementation obviously play a great role in control over the poor reservoir properties,but the weak dissolution and fracturing may improve the reservoir properties to some extent.
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