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Operational Expenses: Illustrated by the black bar, operational costs incorporate labor, transportation, and additional expenses required to extract oil from the ground and transport it to refineries.
Total Costs: The total, indicated by the gray bar, combines fixed asset investments and operational expenses.
It is essential to note that this data, primarily from 2015, still forms the basis of most current analyses. This is particularly telling, as many countries with state-owned oil production facilities do not publish ongoing cost breakdowns due to the lack of investor oversight.