Relationship between Hydrogeology Features and Hydrocarbon Accumulation in Wuerxun Sag,
详细信息
- 责任者：Zhang Qiu (Exploration and Development Research Institute of Daqing Oilfield ; PetroChina ; Daqing 163712 ; China) ; Nie Zhiyang
- 刊名：Petroleum Geology & Experiment
- 出版年：2010
- 卷期：32(5)
- 关键词：油气运移 ; oil and gas migration ; 油气聚集 ; oil and gas accumulation ; 海拉尔盆地 ; Hailar Basin
- 页码：p.453-458
- 图表：5 illus., 3 tables, 19 refs.
- 分类号：1003
- issnNo：ISSN1001-6112
- isbnNo：CN32-1151/TE
摘要
On the basis of classifying water-bearing rock series,combining hydrodynamic field with hydrochemical field, the hydrogeological conditions of main water-bearing rock series have been studied in the Wuerxun Sag of the Hailaer Basin. It is divided into 3 different types of hydrogeological zones: 1) actively alternating-oxidation zone, which is highly open and is unfavorable for oil and gas accumulation; 2) slowly alternating-weak reduction zone,which is more favorable for reservoir formation; and 3) alternation blocked-reduction zone, which is closed in high degree and is conducive for reservoir formation, hence is the most favorable target area for exploration.