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1·Greenhouse gas (GHG) fugitive emission from oil and gas system is an important component of GHG emission inventory.

油气系统温室气体逃逸排放是温室气体排放清单的重要组成部分。

2·Natural gas accumulation is a process of dynamic balance between gas accumulation and gas fugitive emission, in which the inflow and preservation of gas are the key factors for gas reservoir.

天然气成藏是一个天然气聚集与逸散的动态平衡过程，气藏的充注和保存是成藏的两个主要要素。