As the oil or natural gas in a formation is produced, the hydrocarbons remaining in the reservoir may become trapped because the pressure in the formation has lessened, making production either ...

While primary production refers to oil that is recovered naturally from a producing well, Enhanced Oil Recovery (EOR) improves the amount of oil recovered from a well by using some form of ...

More than three-quarters of U.S. oil wells, collectively, make just 6% of the country's oil. They're called marginal wells because of how small their output is. But they're a big deal.

The Nigeria Security and Civil Defence Corps Ondo State Command, says it has uncovered an illegal crude oil reservoir in the state. This is contained in a statement by the spokesperson for the ...