Operator
Operator
Good day ladies and gentlemen and welcome to the fourth quarter 2011 Patterson-UTI Energy Incorporated conference call. My name is Jena and I will be your coordinator for today. At this time all participants are in listen-only mode. We will be facilitating a question and answer session towards the end of today’s conference. (Operator Instructions) As a reminder this conference is being recorded for replay purposes. I would now like to turn the presentation over to your host for us today Mr. Mike Drickamer, Director of Investor Relations. Please go ahead.