U.S. oil producers could expand daily output by 1 million barrels next year, or by as little as 100,000 barrels, with the wide gap creating huge uncertainty as OPEC officials gather this week to weigh production curbs. Shale output has routinely defied naysayers over the past three years as U.S. production has surged to nearly 13 million barrels per day (bpd), making the nation the world’s largest crude oil producer and a major exporter with an average of just under 3 million bpd so far this year. But the outlook for 2020 comes with growing skepticism from those inside the industry – and should growth fall short, it could shift the balance of power in world supply back to the Organization of the Petroleum […]