Production Process and Management
Marathon is among the top five crude oil refineries in the United States. It’s an integrated international energy company engaged in exploration and production of oil, sand mining, integrated gas, refining, marketing, and transportation operation. Marathon needs to upgrade a few of their refineries and pipelines in order to increase the production process of heavy crude oils, (marathon.com).
For example, once the Detroit Heavy Oil Upgrade Project is completed, the refinery crude capacity will
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