
Top U.S. shale producer worries oil prices could run too hot
Nasdaq HOUSTON, Dec 7 – Scott Sheffield, the chief executive of top U.S. shale producer Pioneer Natural Resources Co PXD.N, on Tuesday said he worries oil prices could get too high and further roil markets after years underinvestment in the sector. “I’m worried that it may get too high, above $100 (per barrel),” Sheffield said in an interview on the sidelines