Modest improvements in how much oil can be extracted from oil fields can add 50 more years of oil
Research into alternative fuel sources is booming with companies looking for ways to power vehicles. The alternative fuels being investigated range from bio fuels to battery and solar power. One of the most interesting alternative fuels is a bio fuel being made out of lawn waste.
While research into alternative fuels is underway globally, oil companies are also spending lots of money on research to help them extract more oil out of the oil fields that we already have available. MSNBC reports that oil companies are traditionally only able to extract about one in three barrels of oil that is in the ground.
In a time when the demand for crude oil is up, it's getting more and more unacceptable to leave so much crude oil in the ground. If the oil companies can increase how much oil they can remove from their oil fields the amount of oil the world has left can be significantly increased.
The latest potential method to help extract more oil out of the ground involves injecting hundreds of millions of tiny carbon clusters deep into underground oil reservoirs. These carbon clusters would change their chemical makeup to signal what sort of material they come across. This would allow the carbon clusters to tell companies when they come across oil, water, or other substances.
The clusters are called nanoreporters and MSNBC reports they are 30,000 times smaller than the width of a human hair. These nanoreporters are able to relate the temperature, pressure and other factors to drillers to help produce more oil.
Even a relatively small increase in the amount of oil that can be extracted from current oil fields -- if the companies could get 50% of the oil out of the ground rather than the 35% -- would double the global oil reserves of 1.2 trillion barrels. Researchers point out that it could take a few decades to reach the 50% number, but even smaller increases will alter the oil debate. Aramco's head of reservoir management Nansen Saleri says that even upping the amount of oil taken from reservoirs by 10 to 15% will add an additional 50-year supply of oil at our current consumption rate.
The tiny nanoreporters would be pumped into the reservoir and would have bar codes that tell how long they have been in the ground. The molecular makeup would change to signal whether they came in contact with petroleum, hydrogen sulfide, and other substances. The bar codes are important because they will allow drillers to tell how deep oil is in a reservoir. If for instance nanoreporters underground for 3 months find nothing but water while those in the reservoir for 9 months find oil, drillers know the oil is deeper.
The big question at this time is if the nanoreporters can be used consistently. Finding the oil is only one part of the problem though, better extraction methods are needed as well. With as much as 80% of the global oil supply held by national, state-run companies, being able to extract more oil out of proven fields is imperative.
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