Wellhead - The wellhead sits on top of the actual oil or gas well leading down to the reservoir., Manifold - a device or system that has several openings, allowing liquids and gases to enter and leave, Separation - act of separating two or more component , or the state of being separated, Storage  - Stores of oil in Tanks, Metreing station - a facility or installation used to measure and monitor the flow rate of fluids such as crude oil, natural gas, or water, Transportation - The movement of crude oil or refined petroleum products from production sites or refineries to distribution centers, terminals, or end-users using a network of pipelines,

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