ADVISORY, Sept. 11, 2013 (GLOBE NEWSWIRE) -- What: Patterson-UTI Energy, Inc. [PTEN], providers of onshore contract drilling and pressure pumping services to exploration and production companies in North America will visit the NASDAQ MarketSite in Times Square. In honor of the occasion, Andy Hendricks, Chief Executive Officer will ring the Opening Bell. Where: NASDAQ MarketSite – 4 Times Square – 43 rd & Broadway – Broadcast Studio When: Thursday, September 12, 2013 – 9:15 a.m. to 9:30 a.m. ET Contact: Mike Drickamer (281) 765-7170 Mike.firstname.lastname@example.org NASDAQ MarketSite: Christine Barna (646) 441-5310 Christine.Barna@nasdaqomx.com Feed Information: Fiber Line (Encompass Waterfront): 4463 Gal 3C/06C 95.05 degrees West 18 mhz Lower DL 3811 Vertical FEC 3/4 SR 13.235 DR 18.295411 MOD 4:2:0 DVBS QPSK Facebook and Twitter: For multimedia features such as exclusive content, photo postings, status updates and video of bell ceremonies please visit our Facebook page at: http://www.facebook.com/NASDAQ . For news tweets, please visit our Twitter page at: http://twitter.com/nasdaqomx . Webcast: A live webcast of the NASDAQ Opening Bell will be available at: http://www.nasdaq.com/about/marketsitetowervideo.asx . Photos: To obtain a hi-resolution photograph of the Market Open, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market open of your choice. About Patterson-UTI Energy, Inc. [PTEN]: 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 and its subsidiaries have more than 300 marketable land-based drilling rigs and operate primarily in oil and natural gas producing regions in the continental United States, Alaska, and western and northern Canada. Universal Pressure Pumping, Inc. and Universal Well Services, Inc. provide pressure pumping services primarily in Texas and the Appalachian region.