天然气地质学

深盆气藏形成机理实验模拟

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  • [1]中国石油勘探开发研究院; [2]西安科技大学地质与环境工程学院; 北京100083;[3]湖南科技大学土木工程学院湖南湘潭; 陕西西安;

网络出版日期: 2005-06-20

EXPERIMENTAL SIMULATION FOR THE FORMING MECHANISM OF DEEP BASIN GAS TRAP

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  • 1. Petroleum Exploration and Development Research Institute, CNPC, Beijing 100083, China;2.School of Civil Engineering, Hunan University of Science & Technology, Xiangtan 411201, China;3.Department of Geology and Environment Enginerring, Xi′an University of Science & Technology, Xi′an 710054, China

Online published: 2005-06-20

摘要

深盆气是一种特殊的天然气藏类型,它最主要的特征就是气水倒置。通过模拟实验得出:实验室内完全可以模拟深盆气藏气水倒置的形成过程,且砂子粒度愈细,气体从砂柱中驱排出的水愈多。根据实验结果和实例分析得出深盆气藏形成必须具备3个条件:1源岩离储层近,2储层致密,3源岩生气能力强且在地质历史中有快速生气的过程;只有这3个条件相互匹配时,才能相成深盆气藏。

本文引用格式

米敬奎;张水昌;李新虎; . 深盆气藏形成机理实验模拟[J]. 天然气地球科学, 2005 , 16(3) : 302 -305 . DOI: 10.11764/j.issn.1672-1926.2005.03.302

Abstract

"Deep basin gas trap" is a special kind of one, its most important characteristic is water and gas convert. The result of simulation experiment show the forming process of water and gas convert can be reconstructed in lab; the finer of the sand granularity is, the more water can be expelled from the sand. In the end, the three essential conditions for deep basin gas trap formation are suggested the source rock close to the reservoir stone, have strong generation gas ability and have suffered a rapid process.

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