"bbl" is a correct and usable acronym in written English.
It is usually used by people typing online to mean "be back later." For example, "I need to take a break, bbl in an hour!".
Reserves were estimated at 600 million bbl.
Initial daily yield of petroleum, which began at 55,000 bbl, was expected to reach 120,000 bbl in 2011 and then 250,000 bbl with the start of phase two in 2013.
The survey acknowledged, however, that the total recoverable amount of oil could be higher or lower 3 trillion bbl was not a guess but an average of estimates based on different probabilities.
The volume of oil escaping the damaged well originally estimated by the U.S. Coast Guard at about 1,000 bbl per day was thought by U.S. scientists and engineers to have peaked at more than 60,000 bbl per day.
The addition of an ancillary collection system comprising several devices, also tapped into the BOP, increased the collection rate by approximately 25,000 bbl a day.
Analysts blamed everything from continued political tensions in the Middle East and the growing role of speculators and traders in oil futures to rising global demand, which shot up to 86 million bbl daily in 2007.
The price drop prompted OPEC to slash its output by 1.5 million bbl per day, but the price continued to fall, and in late December it slipped to as low as $36 per barrel.
Sudan experienced deepening political tensions and economic crisis in 2012, largely owing to repercussions from the secession of South Sudan the previous year, followed by a dispute in January over oil transit and port fees that prompted South Sudan to shut down its entire oil production of 350,000 bbl a day.
The Oil & Gas Journal estimated in late 2007 that the world's proven reserves amounted to roughly 1.3 trillion bbl.
In 2007 the National Petroleum Council, an advisory committee to the U.S. secretary of energy, projected that demand for oil would rise from 86 million bbl to as much as 138 million bbl per day in 2030.
