Patterson-UTI Reports 244 Drilling Rigs in Operation for Year



Patterson-UTI Energy reported that for the month of January 2008, the Company had an average of 244 drilling rigs operating, including 229 rigs in the U.S. and 15 rigs in Canada.

Average drilling rigs operating reported in the Company's monthly announcements represent the average number of the Company's drilling rigs that were moving or operating under a drilling contract. The Company cautioned that numerous factors in addition to average drilling rigs operating can impact the Company's operating results and that a particular trend in the number of drilling rigs operating may or may not indicate a trend in or be indicative of the Company's financial performance. The Company intends to continue providing monthly updates on drilling rigs operating shortly after the end of each month.


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