It is now widely accepted that the surge in American troops helped dramatically improve security in Iraq in the last year. But there has been less notice of, or comment on, how the surge has improved the Iraqi oil sector, which contributes more than two-thirds of the country's gross national product and almost 95 percent of the government's revenue, and remains pivotal to the country's development and stabilization. Oil production has risen about 25 percent in Iraq in the past year. It had been flat from 2005 through mid-2007, hovering around 2 million barrels per day before beginning to climb...