Vacuum pump oilwindow parts Yaoliu Chu also excluded from the appropriate gap.
真空泵油窗部位也要留出适当的空隙排除废气。
2
There was no change in ETR of each source rock interval with the increase of depth in the oilwindow, which indicated ETR had excellent thermic stability.
在生油窗内同一套烃源岩样品的ETR随深度（成熟度）增加无明显变化，具有很好的热稳定性；
3
In the early subsiding region, both the Kongdian Formation (E k) and the Shahejie Formation fall into oilwindow, but preservation of the expulsed oil and gas is a problem.