Reservoir Evaluation Software Expert, Gary Gonzenbach Joins Entero


Entero is pleased to announce and welcome Gary Gonzenbach, Senior Industry Advisor, based in the Gary Gonzenbach (1 of 1)Houston office.

Gary has over 30 years of experience in evaluations of oil and gas reserves. As the co-founder and President of TRC Consultants LC, Gary Gonzenbach was chief designer and architect of the company’s PHDwin software for more than 20 years. He has worked extensively with evaluation and engineering teams from major oil & gas companies to refine efficient and accurate methods for modeling reserves and cash flow in the United States.  Subsequent to his tenure at TRC, Mr. Gonzenbach founded CG Petroleum Consulting providing reserves evaluation expertise for oil & gas companies.

“Gary’s deep knowledge and experience in reserves evaluation methodology and software design, will be a tremendous asset for the Entero MOSAIC product and sales teams to create and continue to deliver the best value to our customers.” said Steve Robb, VP Sales and Marketing at Entero.

Gary Gonzenbach is an active member of the Society of Petroleum Evaluation Engineers (SPEE) Board of Directors, and in 2013 was elected to the Executive Board and served as President of SPEE until 2015. He is a frequent speaker at industry events on topics including Valuation of Oil & Gas Properties and Standardization of Reserves Reconciliations, and is the co-author of “Guidelines for the Practical Evaluation of Undeveloped Reserves in Resource Plays” (SPEE Monograph 3, 2011). Gary currently leads the SPEE Monograph 5 committee, with the goal of publishing the updated standard by 2019.

“I am thrilled to be joining this innovative team and working with MOSAIC,“ says Gary Gonzenbach. “I am very impressed with the technical capabilities of the application and future direction, and I’m looking forward to forging deeper connections between Entero and the MOSAIC client community.

About Entero

Entero MOSAIC is the industry’s most complete application for Reserves Management, Budget & Planning, Capital Management, and Petroleum Economics evaluations.

With over 150 clients throughout North America, Entero’s clients span the largest producers and marketers, to leading consulting and financial firms, to small or mid-sized operators.