我国低效气藏的地质特征及其成因特点

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基金项目: 国家重大基础研究发展规划(973)项目(2001CB209100).

GEOLOGICAL CHARACTERISTICS AND ORIGIN PECULIARITIES OF LOW EFFICIENCY GAS RESERVOIRS IN CHINA

1.
Petroleum University, Beijing 102200, China
2. Research Institute of Petroleum Exploration and Development, CNPC, Beijing 100083, China
3. China University of Geosciences, Beijing 100083, China

摘要: 低效天然气藏是一个相对的概念,它是针对我国广泛存在的低孔渗、低丰度、低产能的天然气藏而划分出来的一类气藏.该文在系统分析我国天然气藏的基本特征之后,总结了低效气藏的资源分布状况,从圈闭类型、沉积类型和成岩阶段上提出了低效气藏的地质特点,并围绕导致天然气层低效的地质因素进行了探讨,以期为我国低效气藏形成的主控因素的分析和地质模式的建立打下基础.
- 形成特点 /
- 地质特征 /
- 低效气藏
Abstract: Low efficiency gas reservoirs as a relative definition refer to a new kind of gas reservoir that is widely occurred in China,and characterized by low porosity,low permeability,low abundance and low deliverability.The resources distribution of low efficiency gas reservoirs is summarized after the systematic analysis of their basic characteristics.The geological characteristics of this new type of gas reservoirs are put forward in terms of trap,sedimentation and rock formation types.The geological factors resulting in low efficiency of natural gas pay zones are discussed with expectation to form the basis of further study of major controlling factors such as the formations of low efficiency gas reservoirs in China and the corresponding geological model establishments.
- origin peculiarity /
- geological characteristics /
- low efficiency gas reservoir

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