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primary oil 【化學】初級油,原油。

primary pest

The causes are discussed from aspects of oil - gas source beds , trapping and storing space , oil - gas migration channel and thick proofing layers , oil - gas maturity stage and allocation of effective trapping stage , suggesting the searching of primary oil - gas pool of the cambrian and lower ordovician at the relatively shallow layers and surrounding places with faults developed 從油氣源層、圈閉與儲集空間、油氣運移通道與巨厚隔層、油氣成熟期與圈閉有效期配置等四個方面探討了未獲油氣之原因,提示在滿加爾坳陷腹地,相對較淺部位及周邊斷裂發育部位尋找寒武系和下奧陶統的原生油氣藏。

The analysis of primary oil distribution shows the base - level controlled oil distribution in reservoir . in this paper , subjects as following are discussed in detail 而構成儲層的則主要是溝道、溝道間和席狀砂體。

Primary oil filter 機油粗濾器