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FILE PHOTO: Pump jacks operate in front of a drilling
FILE PHOTO: Pump jacks operate in front of a drilling rig in an oil field in Midland, Texas U.S. August 22, 2018. REUTERS/Nick Oxford//File Photo
FILE PHOTO: Pump jacks operate in front of a drilling rig in an oil field in Midland, Texas U.S. August 22, 2018. REUTERS/Nick Oxford//File Photo