help to improve it or discuss the issue on the talk page . december 2013 patterson uti energy type public traded as nasdaq pten industry oil & gas drilling & exploration founded 1978 1 headquarters houston texas united states key people chairman mark s. siegel products drilling services revenue us 02.716 billion 2013 2 total assets us 04.687 billion 2013 2 total equity us 02.756 billion 2013 2 website http www.patenergy.com formed in 1979 as patterson drilling and 1986 as uti energy to purchase universal well services union supply company triad drilling company and international petroleum services company from ugi corp patterson uti energy operates land based drilling rigs in the united states and canada . 3 the company comprises three segments contract drilling pressure pumping and oil and natural gas . 1 it is a constituent of the s & p 400 . 4 operations edit mark s. siegel chairman of the board 3 william andrew hendricks jr president and chief executive officer 3 references edit a b http finance.yahoo.com q pr s pten a b c http finance.yahoo.com q bs s pten balance sheet & annual a b c form 10 k patterson uti energy inc. . united states securities and exchange commission . retrieved 6 june 2013 . list obtained from s & p midcap 400 constituents tab . this corporation or company article is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title patterson uti & oldid 743465887 categories company stubscompanies listed on nasdaqdrilling rig operatorscompanies based in houstoncompanies established in 19781978 establishments in texashidden categories articles to be expanded from december 2013all stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages fran ais edit links this page was last modified on 9 october 2016 at 19 55 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view