As used in the Natural Gas Market Sharing Act:
1. "Designated marketer" means the operator of the well or a producing owner substituted for the operator as provided in Section 22 of this act;
2. "Electing owner" means any owner who elects to produce and market its share of production pursuant to the provisions of this act;
3. "Nonexempt sales" means those gas sales which are subject to the provisions of this act and do not qualify for exemptions as set forth in Section 21 of this act;
4. "Overproduced owner" means an owner who has produced and sold a volume of gas in excess of his working interest percentage of cumulative sales from a well;
5. "Owner" means a person or persons who own a working interest in a well;
6. "Producing owner" means an owner who produces and sells gas from a well for its own account; and 7. "Working interest" means the interest in a well, calculated prior to deduction for royalty, overriding royalty and other non- cost-bearing interests burdening production, entitling the owner thereof to drill for and produce oil and gas, including the interest of a participating mineral owner to the extent set forth in Section 87.1 of Title 52 of the Oklahoma Statutes.