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1·Industry oil or gas has been found in many mature Wells in Cambrian system in Weiyuan area.

威远地区在上试的基础上，多口老井在寒武系发现了工业油气。

2·There is a normal deposition sequence stratigraphy beneath the lower wall of over-thrust fault, such as Jurassic, Triassic, Permian-Carboniferous, Cambrian-Ordovician system.

在逆冲断裂的下盘，是一套正常沉积层序的地层，分别为侏罗系、三叠系、石炭—二叠系、寒武—奥陶系等地层。

3·The correlation of oil-source rock indicated that there are three sets of source rock, namely Cambrian-Ordovician, Carboniferous-Permian and Jurassic system.

油-源对比表明有三套烃源岩，即寒武-奥陶系、石炭-二叠系和侏罗系生油岩。