Mr. Oestmann has over 37 years of experience in all aspects of the oil and gas business, with a particular focus on company start-ups, exploration, asset management and development. Mr. Oestmann has experience in numerous geologic basins with primary focus in the Permian Basin and has a consistent record of increasing production in existing fields, exploration success and company development and sale. Mr. Oestmann began his career with Exxon Co. USA in 1982 after graduating from Rice University with a bachelor’s degree in geology with a geophysics option. He worked 15 years with Exxon, 7 years with Titan/Pure Resources/Unocal, 2 years with Celero/Whiting, and 1 year with Lothian Oil in various exploration, development and senior management positions. In 2007 he co-founded Piedra Resources with private equity partners. Piedra sold its assets in 2011 for over $120 million. Mr. Oestmann began Tall City Exploration in May of 2012 with a $200 Million equity commitment from Denham Capital. Tall City completed the sale of its assets in 2015 for a total of $1.2B. He is a 35 year member of the AAPG and SEG, member of the PBGS (having served as President) WTGS and SPE. He is a certified geologist with the Texas Board of Professional Geoscientists and the DPA of the AAPG, and serves as an elder at Westway Church of Christ.
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