小气藏 meaning in English

gas pocket

The separation of gas and oil and water only limits to small system of gas pool and there are not separation of gas and water in the large bound . the border water is not active , the system of gas and water is small and driving power of water is poor . the degree of mineralization of strata water is lower , the type of water is sodium carbonate and respects the character of closing transition in the continent circumstance
油气水分异仅限于一个小气藏系统，不存在大范围的气水分异现象；气藏边底水不活跃，气水系统连通范围较小，水体驱动能量有限；地层水矿化度较低，水型以碳酸钠型为主，代表大陆环境下的封闭过渡带特征。