Although many oil fields around the world are becoming depleted, researchers estimate that there are still considerable volumes of hydrocarbons to be recovered, as only 1% extra in these types of fields would be equivalent to between 20 and 30 billion barrels of oil additional.
Aunque existe el agotamiento de muchos campos petroleros en el mundo, se estima que aún hay volúmenes considerables de hidrocarburos por recuperar, pues sólo el 1% extra en ese tipo de campos equivaldría a entre 20 y 30 mmmbp adicionales.