The association of strata and faults control the migration and enrichment of Tertiary hydrocarbon.
地层与断层的组合关系制约着上第三系油气运移方向和富集位置。
The accumulated oil and gas in the trap came from the Lower Tertiary hydrocarbon source rock 2000~5000 meters below.
渤海油区上第三系为河流相沉积，不能生油，其圈闭中聚集的油气来自2000?。
Study on the hydrocarbon source rocks of Lower- Palaeozoic in North China is very important to the Pre- Tertiary oil-gas strategic precinct.
华北地区下古生界烃源岩研究对前古近系油气战略资源选区具有重要意义。
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