U.S. refiners face summer snags amid heavy oil shortage  Chron.comA global shortage of heavy crude will create hurdles for America's key refining belts just as they ramp up gasoline production for summer driving season. Read more https://www.chro …

The Biggest Losers In The Shale Slowdown | OilPrice.com  OilPrice.comSchlumberger saw its debt rating downgraded by S&P due to the unfolding slowdown in drilling by U.S. shale companies. The largest oilfield *service* company in ... Read more ht …