(May 11, 2020, 8:51 AM EDT) -- BILLINGS, Mont. — A hydraulic fracturing well operator on April 24 sued an energy company in Montana federal court, contending that it breached an agreement between the parties when the energy company failed to pay the well operator for its share of the proceeds from the sale of the oil and gas produced by the well (Samson Oil And Gas USA Inc. v. XTO Energy Inc., No. 20-54, D. Mont.)....