The American Petroleum Institute, in its quarterly report, finds that oil well completions increased 13 percent during the second quarter of 2012 when compared to last year.
API said there were 2,472 natural wells drilled in the United States during the second quarter, a 24 percent decline from the same time last year.
Critics of U.S. President Barack Obama's domestic energy policies accuse the administration of blocking domestic energy production
Overseas, accountants at Deloitte estimated that drilling activities in the British waters of the North Sea increased 64 percent during the second quarter of 2012 compared with last year.
Graham Sadler, director of the petroleum services group at Deloitte, was quoted by the BBC as saying summer traditionally represents the high-water mark for drilling. North Sea drilling, however, was lower than in 2010, he said.