R. Grimes

Chief Executive Officer at

Hamilton Group (Texas)

Net worth: 27 $ as of 2026-08-30

69 year

66 connections

Industrial Services

Energy Minerals

Consumer Services

Profile

R.
Keith Grimes is Chief Executive Officer at New Tech Global Ventures LLC since 2022.
Since 2008, serves as Chief Executive Officer at Hamilton Group (Texas).
Holds the position of Member at Society of Petroleum Engineers, Inc. Since 2008, is President of Sierra Hamilton LLC.
Also holds the title of President at Petroleum Engineers, Inc. Formerly Chief Executive Officer at Hamilton Engineering, Inc. from 2008 to 2014.
Served as Director-Eastern Hemisphere Region at Expro International Group Ltd. Independent Director at Abundia Global Impact Group, Inc. from 2012 to 2025.
Held the role of Chief Operating Officer at PowerWell Services, Inc. Completed undergraduate degree at Texas Tech University in 1980.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
HOUSTON AMERICAN ENERGY CORP. -.--%	2020-07-16	25 ( -.--% )	27 $	2026-08-30

R. Grimes active positions

Companies	Position	Start
Hamilton Group (Texas) Hamilton Group (Texas) Oil & Gas ProductionEnergy Minerals Provides consulting and engineering services to oil and gas exploration and production companies	Chief Executive Officer	2009-12-02
Society of Petroleum Engineers, Inc. Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services	Corporate Officer/Principal	-
Sierra Hamilton LLC Sierra Hamilton LLC Oilfield Services/EquipmentIndustrial Services Provides outsourced engineering, technology solutions and on-site supervision services to the oil and gas industry	President	2008-02-29
New Tech Global Ventures LLC New Tech Global Ventures LLC Engineering & ConstructionIndustrial Services Provides engineering consulting and site supervisory services	Chief Executive Officer	2021-12-31
Petroleum Engineers, Inc. Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides engineering services to petroleum industry	President	-

All active positions of R. Grimes

Former positions of R. Grimes

Companies	Position	End
ABUNDIA GLOBAL IMPACT GROUP INC.	Director/Board Member	2025-07-31
Hamilton Engineering, Inc. Hamilton Engineering, Inc. Engineering & ConstructionIndustrial Services Provides engineering services	Chief Executive Officer	2013-12-31
EXPRO INTERNATIONAL GROUP PLC	Corporate Officer/Principal	-
PowerWell Services, Inc. PowerWell Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides well testing tools, data acquisition, and analysis systems for the oil and gas industries	Chief Operating Officer	-

See the detail of R. Grimes's experience

Training of R. Grimes

Experiences
Positions held

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Inactive

Listed companies

Private companies

See the detail of R. Grimes's experience

Connections

1st degree connections

1st degree companies

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Members of the board

Executives

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Linked companies

Private companies	10
Abundia Global Impact Group, Inc. Abundia Global Impact Group, Inc. Oil & Gas ProductionEnergy Minerals Engages in development, exploration, exploitation, acquisition and production of natural gas and crude oil properties	Energy Minerals
Expro International Group Ltd. Expro International Group Ltd. Integrated OilEnergy Minerals Explores and develops oil and gas properties	Energy Minerals
PowerWell Services, Inc. PowerWell Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides well testing tools, data acquisition, and analysis systems for the oil and gas industries	Industrial Services
Texas Tech University Texas Tech University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Hamilton Engineering, Inc. Hamilton Engineering, Inc. Engineering & ConstructionIndustrial Services Provides engineering services	Industrial Services
Society of Petroleum Engineers, Inc. Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services	Industrial Services
Petroleum Engineers, Inc. Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides engineering services to petroleum industry	Industrial Services
New Tech Global Ventures LLC New Tech Global Ventures LLC Engineering & ConstructionIndustrial Services Provides engineering consulting and site supervisory services	Industrial Services
Hamilton Group (Texas) Hamilton Group (Texas) Oil & Gas ProductionEnergy Minerals Provides consulting and engineering services to oil and gas exploration and production companies	Energy Minerals
Sierra Hamilton LLC Sierra Hamilton LLC Oilfield Services/EquipmentIndustrial Services Provides outsourced engineering, technology solutions and on-site supervision services to the oil and gas industry	Industrial Services