世界上的浅气层何谓浅气层，至今没有规范化的定义。美国习惯上把埋深１５００ｍ以内的气层称浅气层；俄罗斯把１０００ｍ以内的气层叫浅气层；我国把１２００ｍ以内的气层划为浅气层．浅气层在世界各地均普遍存在。统计资料表明，浅予１５００ｍ的气田有６６８５个，占世... What is the shallow layer of the world’s shallow gas layer, so far there is no standardized definition. In the United States, it is customary to define a layer of gas within a depth of 1500 m as a shallow layer. Russia, a layer of gas within 1000 m, is called a shallow layer of gas. In China, a layer of gas within 1200 m is designated as a shallow layer. Shallow layers are common throughout the world. Statistics show that there are 6685 shallow gas fields in 1500m, accounting for the world ...