All oil and gas leases and oil and gas wells, producing or capable of producing oil or gas in paying quantities, together with all casing, tubing and other equipment and materials used in operating oil and gas wells are considered personal property. (K.S.A. 79-329) A list of the current royalty owners, their decimal interest, and their addresses, is to be provided by the operator and is a requirement for filing the tax rendition per the oil and gas guide provided by the State. Oil and gas interests are valued at market value.