油气无机成因的现代概念已逐渐形成。
It is concluded that the modern concept of inorganic petroleum origin has gradually been formed.
结果表明，该区为构造活动区，区内的天然气主要为有机成因，偶有无机气混入；
The result is that this area was a structurally active zone. Gases in this area were mainly organic origin with occasional invasion of inorganic gas.
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。
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.
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