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oil field

1. n. [Geology]

An accumulation, pool or group of pools of oil in the subsurface. An oil field consists of a reservoir in a shape that will trap hydrocarbons and that is covered by an impermeable or sealing rock. Typically, industry professionals use the term with an implied assumption of economic size.

See: accumulationfieldhydrocarbonoil pooloilfieldreservoirsealtrap

2. n. [Geology]

The surface area above a subsurface oil accumulation is called an oil field.

See: accumulationfieldhydrocarbonoil pooloilfieldreservoirseal

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