John D. Underwood

Corporate Officer/Principal at

HEYCO Energy Group, Inc.

Energy Minerals

Commercial Services

Consumer Services

Profile

John D.
Underwood is a member of several petroleum and geology organizations, including the Society of Petroleum Engineers, American Association of Petroleum Geologists, Society of Exploration Geophysicists, and Petroleum Exploration Society of Great Britain.
He is currently employed as an Exploration Manager at HEYCO Energy Group, Inc. since 1999.
Prior to this, he worked as a Geophysicist at Union Texas Petroleum Holdings, Inc., ExxonMobil Oil Corp., and Permian Exploration Corp.
Mr. Underwood received his undergraduate degree from the Colorado School of Mines.

John D. Underwood active positions

Companies	Position	Start
HEYCO Energy Group, Inc. HEYCO Energy Group, Inc. Integrated OilEnergy Minerals Operates oil and gas exploration & development projects	Corporate Officer/Principal	1998-12-31
Society of Petroleum Engineers, Inc. Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services	Corporate Officer/Principal	-
Society of Exploration Geophysicists Society of Exploration Geophysicists Miscellaneous Commercial ServicesCommercial Services Operates as association of exploration geophysicists	Corporate Officer/Principal	-
American Association of Petroleum Geologists American Association of Petroleum Geologists Miscellaneous Commercial ServicesCommercial Services Operates as a technical and professional organizations for energy leaders	Corporate Officer/Principal	-
Petroleum Exploration Society of Great Britain Petroleum Exploration Society of Great Britain Miscellaneous Commercial ServicesCommercial Services Operates as a membership organization in the scientific and technical aspects of subsurface energy & related technologies	Corporate Officer/Principal	-

All active positions of John D. Underwood

Former positions of John D. Underwood

Companies	Position	End
Union Texas Petroleum Holdings, Inc. Union Texas Petroleum Holdings, Inc. Oil & Gas ProductionEnergy Minerals Explores & develops oil and gas	Corporate Officer/Principal	-
Permian Exploration Corp.	Corporate Officer/Principal	-
ExxonMobil Oil Corp. ExxonMobil Oil Corp. Oil & Gas ProductionEnergy Minerals Operates as an oil and gas production company	Corporate Officer/Principal	-

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Training of John D. Underwood

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Private companies

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Linked companies

Private companies	9
Union Texas Petroleum Holdings, Inc. Union Texas Petroleum Holdings, Inc. Oil & Gas ProductionEnergy Minerals Explores & develops oil and gas	Energy Minerals
Colorado School of Mines Colorado School of Mines Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Society of Petroleum Engineers, Inc. Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services	Industrial Services
American Association of Petroleum Geologists American Association of Petroleum Geologists Miscellaneous Commercial ServicesCommercial Services Operates as a technical and professional organizations for energy leaders	Commercial Services
Society of Exploration Geophysicists Society of Exploration Geophysicists Miscellaneous Commercial ServicesCommercial Services Operates as association of exploration geophysicists	Commercial Services
Petroleum Exploration Society of Great Britain Petroleum Exploration Society of Great Britain Miscellaneous Commercial ServicesCommercial Services Operates as a membership organization in the scientific and technical aspects of subsurface energy & related technologies	Commercial Services
HEYCO Energy Group, Inc. HEYCO Energy Group, Inc. Integrated OilEnergy Minerals Operates oil and gas exploration & development projects	Energy Minerals
ExxonMobil Oil Corp. ExxonMobil Oil Corp. Oil & Gas ProductionEnergy Minerals Operates as an oil and gas production company	Energy Minerals
Permian Exploration Corp.