气藏盖储层压力配置类型及与储量丰度的关系

气藏盖储层压力配置类型及与储量丰度的关系

付广，庚琪，王有功，杨永亮

大庆石油学院地球科学学院, 黑龙江大庆163318

收稿日期:2007-09-20 修回日期:1900-01-01 出版日期:2008-07-26 发布日期:2008-07-26
通讯作者: 付广

Pressure Matching Types between Caprock and Reservoir and Relation between Them and Gas Reserves Abundance in Gas Reservoir

FU Guang, GENG Qi, WANG You-gong, YANG Yong-liang

College of Earth Sciences, Daqing Petroleum Institute, Daqing，Heilongjiang 163318, China

Received:2007-09-20 Revised:1900-01-01 Online:2008-07-26 Published:2008-07-26
Contact: FU Guang

摘要/Abstract

摘要： 通过研究气藏盖层排替压力与储层压力特征，对其盖储层压力配置类型及与储量丰度关系进行了研究，结论为盖高储低压配置类型最有利于天然气富集，其次是盖高储常压配置类型和盖较高储低压配置类型，其它配置类型较差。通过统计得到：我国46个大中型气田盖储层压力配置类型有4种，以盖高储高压配置类型最多，其次是盖高储弱高压配置类型，再次是盖高储常压配置类型，盖高储低压配置类型最少；我国46个大中型气田中低储量丰度的大中型气田个数最多，其次是高、中储量丰度的大中型气田，特低储量丰度的大中型气田个数最少。通过我国46个大中型气田盖储层压力配置类型与天然气储量丰度之间关系研究发现，盖储层压力配置类型为盖高储常压配置类型和盖高储高压配置类型最有利于形成高、中天然气储量丰度的大中型气田。

关键词: 大中型气田, 盖层, 储层, 压力配置类型, 天然气储量丰度

Abstract: By the study of characteristics of displacement pressure of caprock and pressures of reservoir, pressure matching types between caprock and reservoir of gas reservoirs and the relationship gas reserves abundance have been studied. Matching between highest pressure of caprock and low pressure of reservoir is considered to be the most favorable for gas to accumulate. The second are the matching between highest pressure of caprock and normal pressure of reservoir and the matching between higher pressure of caprock and low pressure of reservoir. The other matching types are bad. The statistics shows that there are 4 pressure matching types between caprock and reservoir in 46 large and medium gas fields in China. The most matching type is highest pressure of caprock with highest pressure of reservoir. The second matching is highest pressure of caprock with higher pressure of reservoir. The less matching is highest pressure of caprock with normal pressure of reservoir. The least matching is highest pressure of caprock with low pressure of reservoir. The statistics indicate that within the 46 large and medium gas fields in China the most are in low gas reserves abundance. The second are in high and middle gas reserves abundance. The minor are in lower gas reserves abundance. The study of relation between pressure matching types of caprock and reservoir and gas reserves abundance of 46 large and medium gas fields in China suggests that matching type of highest pressure of caprock with normal pressure of reservoir and matching type of highest pressure of caprock with highest pressure of reservoir are the best pressure matching types to form large and medium gas fields with high and middle gas reserves abundance.

Key words: large and medium gas fields, caprock, reservoir, pressure matching type, gas reserves abundance

中图分类号:

P618.13

付广，庚琪，王有功，杨永亮. 气藏盖储层压力配置类型及与储量丰度的关系[J]. J4, 2008, 38(4): 587-0593.

FU Guang, GENG Qi, WANG You-gong, YANG Yong-liang. Pressure Matching Types between Caprock and Reservoir and Relation between Them and Gas Reserves Abundance in Gas Reservoir[J]. J4, 2008, 38(4): 587-0593.

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