Landowner's Royalty 3 : The interest retained under an oil and gas lease by the person who has the authority to grant an oil and gas lease and which bears no part of the cost of drilling or producing the oil and natural gas
EESiFlo North America, Terminology and Glossary: Oil Well Terms, Pennsylvania, Oil: Oil Well Drilling Science and Technology, USA 2002, flowmeterdirectory.com/flowmeter_terminology, (Oil Well Drilling Sci and Tech - Amer) {555}