oil deposit
Underground crude reservoir
An oil deposit is an underground accumulation of petroleum, formed over millions of years from organic matter trapped in rock formations.
Geologists survey for oil deposits before drilling begins.
The term applies to both untapped reserves and known fields: The discovery of massive oil deposits transformed the region's economy.
Also called an oil reservoir.
- reservoirLarge water storage basin
- crudeUnpolished, raw state
- wellDug water source
- deep wellSubterranean water source
- drillingHole-making by rotation
drill bit · pump jack · gusher · shale · tar · tar sands · field · seep · extraction · barrel · refinery · pipeline · black gold · fossil fuel · sediment · geological · rock formation · underground
oil depositsolar farm
Grid-scale photovoltaic installation
wind farm · hydroelectric dam · solar panel array · geothermal field · nuclear plant
oil depositcoal seam
Underground fuel deposit layer
aquifer · mineral vein · ore deposit · salt dome · limestone formation
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