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Geologic Consulting

 Scales of Justice

Well Log Interpretation and Geologic Mapping

Identify prospects through log interpretation, geologic mapping, production and drilling history.  Make operated and non-operated well recommendations.  Track non-operated activity.  Evaluate small or large A&D and review geologic viability of reserve locations.

Operations Geology

Well planning from staking to completion.  Targeting, geosteering, and completion interval recommendations.  Geosteering older wells to identify percent in zone and targets.

Oklahoma Corporation Commission Experience

Prepare exhibits and testify for spacing, location exception, multi-unit, increase density, and protested hearings

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Andrew Wilbourn

Andrew Wilbourn earned a B.A. in Geology from Washington and Lee University in 2009 and a M.S. in Geology from the University of Mississippi in 2012.  Andrew studied Smackover Carbonates in Southwest Alabama for his thesis under advisors Lawrence Baria and Louis Zachos.  After completing his Master’s degree in the summer of 2012, Andrew moved to Oklahoma to begin his career as a Geologist with Chesapeake Energy. 

As a Geologist and Geologist II at Chesapeake, Andrew worked in Chesapeake’s Mid-Continent Business Unit primarily focused in The Western Anadarko Basin from 2012-2014.  During this time Andrew oversaw geologic responsibilities for multiple rigs and was the head of the Granite Wash development team making new drill, non-operated, and recompletion recommendations in a core area that had more than 30 active rigs.  In 2015, Andrew rotated to Chesapeake’s Appalachia Division to work the Utica-Point Pleasant formation.

In Chesapeake’s Appalachia Division, Andrew continued to oversee geologic operations including drilling the longest lateral in company history on a single target line.  As operations responsibility was reduced, Andrew spent time geo-modeling the Utica with Petrel Software and assisted geo-engineering completion design. At the end of 2016, Andrew was recruited by private-equity backed Le Norman Operating (now called Templar Energy) in Oklahoma City and left Chesapeake to gain experience with a private operator.     


As a geologist and geologic supervisor at Le Norman, Andrew initially worked with a team of three geologists to perform all necessary geologic responsibilities for the company’s approximately 350,000 net acres and 30,000 BOEPD of production in Oklahoma and the Texas Panhandle.   These responsibilities included geologic mapping, activity tracking, evaluation of large acquisition targets, non-operated and operated well recommendations, recompletion evaluation, and creating exhibits and giving testimony before the Oklahoma Corporation Commission.  While at Le Norman, Andrew mapped, drilled, and/or evaluated more than 25 different producing formations including shales, tight sands, and carbonates.  Andrew worked closely with engineering counterparts in Reservoir, Production, and Drilling, as well as the Land department.  From November of 2018 to July 2019, Andrew was the sole geologist at the company and performed all geologic responsibilities.

In August of 2019 Andrew decided to leave Le Norman/Templar to become and independent geologic consultant, founding Delta Exploration, LLC.  The majority of Andrew’s seven plus years of industry experience is in on-shore unconventionals primarily in the Anadarko and Appalachia Basins, but Andrew continues to explore new areas through his work and ongoing industry education.  Andrew lives in Oklahoma City with his wife and daughter.

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