She left the drilling reserves and began transition in 2010.
The drilling for reserves in more remote and harder-to-reach areas has increased costs for oil companies as they compete for talent and technology.
This means Range can profitably drill its reserves (3.1 trillion cubic feet proved) even if natural gas prices were to slump nearly 50% to $3 per thousand cubic feet.
Not drilling in the reserve would keep 410 million metric tons of carbon dioxide from entering the atmosphere, officials had estimated during their global lobbying campaign that included organising tours of the reserve for journalists.
Oil industry representatives said they were convinced that Republicans in Congress, riding a wave of worries about energy shortages and spurred by an oil-friendly president, would be able to garner sufficient votes to authorize drilling in the reserve.
The aim of this work was to evaluate the effects of laparoscopic ovarian drilling on ovarian reserve assessed by Anti-Müllerian hormone assay and ultrasonography.
Amukamara said that he was running drills against the reserve receiver Duke Calhoun during Saturday's practice, and when Calhoun cut, Amukamara cut with him.
By McKinsey's reckoning, the net benefit to the global oil industry from 3D seismic imaging (through reduced drilling costs, additional reserves exploited and so on) amounts to $11 billion a year.Still, there is plenty of room for improvement.
Although the Arctic holds as much as a quarter of the world's untapped oil and gas reserves, drilling there had long been considered too dangerous, too remote, too expensive.
Mr. Obama was responding to remarks that Mr. McCain made on Monday in Fresno, Calif., when he observed that even though the nation might take years to benefit from offshore drilling, "exploiting those reserves would have psychological impact that I think is beneficial".
