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Sid J. Greehey


With more than 35 years in the oil and gas industry, Sid J. Greehey has worked as a Landman and Land Manager with responsibilities in prospect generation, property acquisitions and divestitures.

 Mr. Greehey started his career at Border Exploration, which eventually became part of Coastal States. In 1982, he left with then President of Coastal States, to start the South Texas exploration division for H.R. Bright of Bright & Company. In 1989 Mr. Greehey left Bright & Company to purchase the controlling interest in Integrity Industries, a small wholesale drilling fluid company. Under Mr. Greehey’s direction, Integrity Industries expanded operations into the Austin chalk horizontal drilling play, providing drilling fluids, engineering and services for hundreds of wells.

In 2002 he formed what is now Greeheyco, Inc. in order to continue his personal exploration interests. In 2012, Greehey developed a 300,000+ acre lease play in the Montana Bakken which was sold to Apache Corporation.

Mr. Greehey earned a B.A. from SMU University while on a football scholarship. He obtained a minor in Petroleum Land Management from the University of Texas at Austin where he also completed numerous geology courses. After years as President of the Board, Mr. Greehey is now an advisor to the Board of Directors of Lutheran High School of San Antonio. He is also President of the Mount Calvary Lutheran Church.  

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