Crude Oil
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Islands found on

Old Map Mainland, in between Flax and Pleateau
New Map: Basin, and in between Overhang and Snowpeak

Method of Obtaining



None, must be filtered first

Crude Oil is an item in Survival 303.


It can be foraged as many times as you want from the crude oil spills. Crude oil has the same properties and colour of oil. However it is unpurified, unlike oil, which is, so you need to filter crude oil to get oil using a crude oil filter or an oil filter. It can be found in two places. One is a large patch of crude oil off the coast of Flax island while the other is in the small lake on Mainland. When near these patches of oil, foraging them will put the crude oil in your inventory. Like sand, crude oil is available in infinite quantities.


  • Crude oil is also used by advanced players to improve their foraging level due to its quick foraging time and moderate foraging level increase per item.