Operators who have benefited from claims produced by Research Tax Consultants

Chesapeake Operating, Inc. - Oklahoma City, OK

Courson Oil & Gas - Perryton, TX

Devon Energy Production Company - Oklahoma City, OK

Duncan Oil Properties, Inc. - Oklahoma City, OK

EOG Resources, Inc. - Houston, TX

Encana/Newfield Exploration Company - The Woodlands, TX

FourPoint Energy - Denver, CO

Mustang Fuel Corporation - Oklahoma City, OK

Range Resources - Fort Worth, TX

Sanguine Gas Exploration - Oklahoma City, OK

Samson Resources - Tulsa, OK

SM Energy Company - Denver, CO

Strat Land Exploration Company - Tulsa, OK

Ward Petroleum Corporation - Oklahoma City, OK

White Star Petroleum - Oklahoma City, OK

XTO Energy, Inc. - Fort Worth, TX

Yale Oil Association - Oklahoma City, OK