Patterson-UTI Energy, Inc. revenue for the last year amounted to 4.15 B USD, the most of which — 2.02 B USD — came from its highest performing source at the moment, Completion Services, the year earlier bringing 1.02 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Patterson-UTI Energy, Inc. 4.06 B USD, and the year before that — 2.58 B USD.