Patterson-UTI Reports Drilling Activity for December 2017

HOUSTON, Jan. 4, 2018 /PRNewswire/ -- PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported that for the month of December 2017, the Company had an average of 163 drilling rigs operating. For the three months ended December 31, 2017, the Company had an average of 161 drilling rigs opera...