Patterson-UTI Energy Inc. reported operating results for the month ended December 2012. The company reported that for the month of December 2012, the company had an average of 205 drilling rigs operating, including 197 rigs in the United States and 8 rigs in Canada. For the three months ended December 31, 2012, the company had an average of 205 drilling rigs operating, including 198 rigs in the United States and 7 rigs in Canada.