In northern Songliao basin there exist biogas, oil type gas, coal type gas and organic deep source gas.

松辽盆地北部天然气类型包括生物气、油型气、煤型气和有机深源气。

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According to the studies at home and abroad, the reserve of deep source gas is very large in the world and the deep gas potential in China is large, too.

据国内外研究，世界上深源气资源量很大，我国深源气的潜力也很大。

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Deep source gas refers to inorganic genetic gas or abiogenic gas which comes from deep crust or upper mantle, and has apparent geology and geochemistry characteristics.

深源气是指来自地壳深部或上地幔的无机成因天然气或称非生物成因天然气，它具有明显的地质地球化学特征。

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At the same time Yury Boiko, the Ukrainian energy minister, has high hopes that shale gas -- formed deep underground within large shale rock formations -- could also be a major alternative source of power in the decades to come.

CNN: STORY HIGHLIGHTS