Patterson-UTI reports drilling activity for December 2011 Jan 6, 2012
Patterson-UTI Energy, Inc. reported that for the month of December 2011, the Company had an average of 233 drilling rigs operating

Patterson-UTI provides April drilling activity May 4, 2011
Patterson-UTI Energy, Inc. reported that for the month of April 2011, the Company had an average of 201 drilling rigs operating, including 197 rigs in the

Patterson-UTI reports rig count for March Apr 5, 2010
Patterson-UTI Energy reported that for the month of March 2010, the Company had an average of 146 drilling rigs operating, including 138 rigs in the United States

Patterson-UTI reports drilling activity for January 2010 Feb 3, 2010
Patterson-UTI Energy reported that for the month of January 2010, the Company had an average of 136 drilling rigs operating, including 122 rigs in the United States

Patterson-UTI reports drilling activity for November 2009 Dec 4, 2009
Patterson-UTI Energy reported that for the month of November 2009, the Company had an average of 104 drilling rigs operating, including 96 rigs in the

Patterson-UTI reports drilling activity for October 2009 Nov 4, 2009
Patterson-UTI Energy reported that for the month of October 2009, the Company had an average of 88 drilling rigs operating, including 82 rigs in the United States

Patterson-UTI reports drilling activity for July 2009 Aug 5, 2009
Patterson-UTI Energy has reported that for the month of July 2009, the Company had an average of 65 drilling rigs operating, including 63 rigs in the United States and 2 rigs in Canada.

Patterson-UTI reports drilling activity for June 2009 Jul 7, 2009
Patterson-UTI Energy, reported that for the month of June 2009, the Company had an average of 60 drilling rigs operating, including 58 rigs in the U.S. and 2 rigs in Canada.

Patterson-UTI updates drilling activity for May 2009 Jun 3, 2009
Patterson-UTI Energy reported that for the month of May 2009, the Company had an average of 60 drilling rigs operating, including 59 rigs in the U.S. and one rig in Canada.

Patterson-UTI updates drilling activities May 6, 2009
Patterson-UTI Energy has reported that for the month of April 2009, the Company had an average of 69 drilling rigs operating, including 67 rigs in the U.S. and 2 rigs in Canada.