About 300 million years ago, this was a Marine salt layer.
约三亿年前，这种盐层曾是海洋。
Safety operative technology to prevent choke in the salt layer.
预防盐膏层阻卡的安全操作技术。
Faults and tectonic uplift in the late stage of Himalayan orogeny are the main factors on gas dissipating and the secondary oil and gas pool forming above salt layer in Eogene.
喜马拉雅晚期产生的断层和构造抬升作用，是该区天然气散失和盐上次生油气藏形成的主要因素。
Salt caverns are underground cavity formed by drilling and water circular melting salt in underground salt layer.
盐穴就是在地下盐层中通过钻井，利用水循环的方法，将盐层溶解，最终形成一个体积较大的空洞。
Salt caverns are underground cavity formed by drilling and water circular melting salt in underground salt layer.
盐穴就是在地下盐层中通过钻井，利用水循环的方法，将盐层溶解，最终形成一个体积较大的空洞。
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