Oil City is a city in Venango County, Pennsylvania known for its prominence in the initial exploration and development of the petroleum industry. It is located at a bend in the Allegheny River at the mouth of Oil Creek. Initial settlement of Oil City was sporadic, and tied to the iron industry. After the first oil wells were drilled in 1861, it became central to the petroleum industry while hosting headquarters for the Pennzoil, Quaker State, and... Show more

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