Industry oil or gas has been found in many mature Wells in Cambriansystem 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。
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There is a normal deposition sequence stratigraphy beneath the lower wall of over-thrust fault, such as Jurassic, Triassic, Permian-Carboniferous, Cambrian-Ordovician system.
The correlation of oil-source rock indicated that there are three sets of source rock, namely Cambrian-Ordovician, Carboniferous-Permian and Jurassic system.