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Oilfield Glossary
Oilfield Glossary
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oil pool

1. n. [Geology]
A subsurface oil accumulation. An oil field can consist of one or more oil pools or distinct reservoirs within a single large trap. The term "pool" can create the erroneous impression that oil fields are immense caverns filled with oil, instead of rock filled with small oil-filled pores.
See: reservoir, trap