Lone Tree Petroleum, Inc
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 Jack C. Walker 







V.P. Engineering, Resource and Project Development.....BS Electrical Engineering University of Wyoming 1972 











Robert J. Dunbar    
Senior Geophysicist / Geologist / Exploration Manager.......Graduate La.Tech University Geological Engineering  1953













Donald T. Metcalfe P.E.
V.P.  Engineering, Operations Manager....Midwestern University, Odessa College, Pan American University  1955










Mike Dunbar  V.P.     
Production Operations and Prospect Development.....BS Fire Protection Engineering & Safety Technology  University of Cincinnati
!!!!!!   Lone Tree Petroleum proudly welcomes our newest members to our team  !!!!!!
Mr. Walker brings many years of expertise in many facets of the industry. His experience during his 33 year tenure at Schlumberger, traveling the Globe, all culminating in V.P. Oilfield Sales and Global coverage for International Operations is an invaluable trait he has earned. We are proud to have Jack on our team!

Bachelor of Science - Electrical Engineering, University of Wyoming -1972 

Marketing Management, Petroleum Economics, Risk Management, AMA Marketing Management, Schlumberger Engineer Training
​Mr. Robert Dunbar is a highly respected Geophysicist and has built an impressive career  in the Oil and Gas industry beginning with Geological Engineering degree from Louisiana Tech University in 1956. Special educations interest and achievements include Advanced Stratigraphic Interpretation, Lithology and Direct Detection of Hydrocarbons, and Seismic Interpretation and Mapping. We welcome Mr. Dunbar and are proud to have his support !
V.P. Thrust Resources, LLC

1956-72 Amoco Production Company Senior Geophysicist, 1972-82 Diamond Shamrock Corporation Geophysical Manager, 1982- 83, Exploration Manager Ennex Exploration, Present  Geophysical Consultant  Resources Plus Senior Geophysicist
Mr. Metcalfe's 58 years of experience as a Petroleum Engineer has provided him with an admirable career. With operations and management experience in the entire North America region, and every major basin and region, his expertise spans a broad area in all facets of Oil and Gas operations and Engineering. We welcome Mr. Metcalfe, and are very proud to have him on our team. 
Petroleum Engineer Thrust Resources

1972-76 Pennzoil Company Drilling Manager, Resource Investment Company Drilling and Production Manager, and various other companies in the same capacity.
Hardin-Simmons University, Midwestern University, Odessa Collage, Pan American University,  Petroleum Engineer
Mr. Mike Dunbar, has an impressive 30 year career with the USDOE, culminating in management of plant operations and High Security detail. His experience in Safety, Fire Protection Engineering ,  and vast array of other experiences sets Mike apart, giving him the assets needed to propel operations forward in any environment. We welcome Mike to the team and know that his experience will be key to the success of the goals of the entire team. 

Operations Manager- Thrust Resources, LLC
BS. Fire Protection Engineering and Safety Technology-University of Cincinnati, AAS Management -Amarillo Collage,  AAS Fire Protection - Amarillo Collage