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Reuters Factbox: Offshore increasingly important to oil industry

 

 

 

NEW YORK
Petroleumworld.com, July 07, 2010

The Gulf of Mexico oil spill has highlighted the risks of offshore oil production and the potential costs involved in drilling deep below the ocean.

The explosion on April 20 at the Deepwater Horizon rig, operated on behalf of BP ( BP.L ), has also reminded the oil industry of the growing importance of offshore production and the rising proportion of oil pumped from deep-sea wells.

Following are key facts about offshore and deep offshore oil production:

OFFSHORE GROWING

* Around 30 percent of the 85 million barrels per day (bpd) of oil consumed around the world now comes from offshore oil wells, according to the International Energy Agency. The agency sees the percentage of global oil production from offshore wells rising to 30.85 percent by 2015 from 29.97 percent this year.

* The global figures mask rapid growth in some parts of the world, including the Middle East, Africa and Latin America because of a relatively speedy decline in offshore activity in Europe, where North Sea output is now falling after more than 40 years of production. Excluding Europe, offshore production as a share of global output will increase by 2 percentage points to around 27.5 percent by 2015, the IEA says.

* In the Middle East, offshore production will rise to about 9 percent of total output by 2015 from 7.7 percent, in Africa offshore will rise to almost 5 percent from 4.25 percent and in Latin America, offshore will increase to around 3.8 percent of output from about 3 percent.

* Analysts say the increase in offshore oil output is likely to accelerate after 2015 with some looking at up to 35 percent by 2020, even with a continuing decline in the North Sea.

* Offshore output is an ever more important component of production for countries outside the Organization of the Petroleum Exporting Countries, which has massive onshore reserves beneath members such as Saudi Arabia, Iraq and Iran .

* U.S. offshore oil production is expected to increase to about 2 million bpd by 2015, or about 34 percent of total U.S. output, from about 31 percent this year and 28 percent in 2007, the U.S. Energy Information Administration said in its annual forecasts in December.

* Offshore production is increasing rapidly in several countries including Brazil, Angola and Russia .

* Up to a fifth of the world's undiscovered, recoverable oil resources -- around 90 billion barrels -- are estimated to lie within the Arctic Circle, an area mostly offshore that has competing claims from the United States, Russia , Canada, Denmark, Iceland and Norway.

"DEEP OFFSHORE"

* Definitions of "deep offshore" production vary but are generally considered either to be more than 1,000 feet or more than 2,000 feet. The term "Ultra-deep offshore" production is also used loosely but can mean drilling in oceans more than 3 km (1.88 miles) deep.

* Global deep offshore production capacity has more than tripled since 2000, according to consultants IHS CERA, which defines deep offshore as at least 2,000 feet (610 meters). IHS says global deep offshore capacity is now more than 5 million bpd, up from 1.5 million bpd in 2000.

* If total global deep offshore oil production represented a country's output it would be the fourth largest producer after Saudi Arabia, Russia and the United States.

U.S. MORATORIUM

* Most estimates and projections for offshore oil production were made before the Gulf of Mexico spill, which could effect significantly the pace of future development.

* In response to the spill, a six-month drilling moratorium and new restrictions to licensing activities on the U.S. Outer Continental Shelf were announced on May 27. Details included:

* No new drilling in water depths greater than 152 metres (500 feet) for six months, including sidetracks and bypasses of currently-drilling wells. Drilling on 33 wells suspended at the first safe stopping point. Workover activities, well completions, abandonment activities, interventions, and waterflood, gas injection, and disposal wells not affected.

* Drilling offshore Alaska postponed until at least 2011.

* Various other offshore projects cancelled.

* Consultants Wood Mackenzie forecast production from deep offshore Gulf of Mexico will be 93,000 barrels of oil equivalent per day (boepd) lower during 2011 due directly to the six-month ban on drilling. If new regulations for equipment and procedures slow activity and delay projects after the moratorium, another 100,000 boepd could be deferred from 2011. Combined, these deferrals could cut output from deep offshore Gulf of Mexico by as much as 10 percent in 2011.

* If the regulations are tough and lead to oil companies imposing their tighter rules on their worldwide operations, some analysts say future global output could be trimmed by as much as 1 million bpd, curbing significantly the rate of expansion of worldwide oil production.


Story by Christopher Johnson from REUTERS
Reuters
07/06/2010

 

 

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