HOUSTON, Dec. 20, 2012 /PRNewswire/ -- Patterson-UTI Energy, Inc. (NASDAQ: PTEN) will hold its conference call to discuss results for the fourth quarter ending December 31, 2012 on Thursday, February 7, 2013 at 9:00 a.m. Central Time. Participants can access the call by dialing (866) 362-4666 or (617) 597-5313 with the access code 48970041. The call will also be webcast and can be accessed through a link in the Investors section of the Company's website at www.patenergy.com. The webcast is also being distributed over the Thomson Reuters Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through Thomson Reuters' individual investor center at www.fulldisclosure.com. Institutional investors can access the call via Thomson Reuters' password-protected event management site, StreetEvents ( www.streetevents.com). Webcast participants should go to one of the web addresses above 10-15 minutes prior to the scheduled start time. Replay of the conference call webcast will be available at these sites through Thursday, February 21, 2013. Patterson-UTI Energy, Inc. subsidiaries provide onshore contract drilling and pressure pumping services to exploration and production companies in North America. Patterson-UTI Drilling Company LLC has more than 300 marketable land-based drilling rigs and operates primarily in oil and natural gas producing regions of Texas, New Mexico, Oklahoma, Kansas, Arkansas, Louisiana, Mississippi, Colorado, Utah, Wyoming, Montana, North Dakota, Pennsylvania, West Virginia, Ohio, Michigan, Alaska and western Canada. Universal Pressure Pumping, Inc. and Universal Well Services, Inc. provide pressure pumping services primarily in Texas and the Appalachian region. Contact: Mike Drickamer, Director, Investor Relations281.765.7170, firstname.lastname@example.org SOURCE Patterson-UTI Energy, Inc.