The principal compositions of soluble materials of the Ordovician oil field water in Tahe oilfield are consistent with sea water, suggesting its Marine origin.
塔河油田奥陶系油田水的可溶物质主要成分与海水一致，表明其主要为海相成因。
The correlation between oil and source proved that the preserved commercial oil reservoirs of Marine origin in the Tarim basin are mainly generated from the marl of the Middle Upper Ordovician.
油源对比证实：盆地目前保存下来的海相成因工业性油藏，主要来源于中上奥陶统泥灰岩。
The rocks in which oil is found are of Marine origin too.
石油存在处的岩石也都有海洋的渊源。
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