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Some estimates put this at 40 years, but it depends on how much more can be discovered and on being able to use sources such as tar sands.

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16y ago

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How long does crude oil last?

There is no set period for how long crude oil lasts as it is a non-renewable resource. The amount of crude oil available depends on factors such as extraction rates, demand, and new discoveries. However, at current consumption rates, it is estimated that global crude oil reserves will last for several decades.


How long will oil last for on earth?

It is estimated that the world has enough oil reserves to last for about 50-80 years, but this is highly dependent on consumption rates and new discoveries. Advances in technology and the shift towards renewable energy sources are also impacting the future of oil usage.


How long would 5 billion barrels of oil last the US?

The U.S. consumes about 7.5 billion barrels of oil per year. So, 5 billion barrels would last just over 8 months at the current consumption rate.


How long will the worlds petroleum reserves last at the present rate of consumption?

Estimates vary, but it's generally believed that the world's petroleum reserves will last for around 50-60 years at the current rate of consumption. This is based on known reserves and current extraction rates. However, new discoveries, advances in extraction technology, and changes in consumption patterns could all affect this estimate.


How long do gas and oil royalties last?

They usually last until the well or field is no longer economically workable. Most royalty arrangements do not have a time limit, but any kind of contract is possible. The royalty rights can be sold and resold endlessly and modified at each step. Sometimes after stopping for awhile, the royalties can resume if the price of oil or gas increases enough to make the operation profitable again or someone figures out a way to economically recover more of the remaining deposit.