Keywords: Oklahoma, Assignment of Oil and Gas Leases, Producing, Reservation of Production Payment. The Oklahoma Assignment of Oil and Gas Leases when Producing with Reservation of Production Payment is a legal document that outlines the transfer of rights and interests in an oil and gas lease located in Oklahoma. This assignment allows parties to negotiate and transfer their rights to explore, drill, and extract oil and gas resources from a specific lease. When an assignment is made with a reservation of production payment, it means that the assignor (original leaseholder) retains a certain percentage or share of the profits or production from the lease. This arrangement allows the assignor to continue to receive income or benefits from the oil and gas production even after assigning the majority of their interests in the lease to another party. There are different types or variations of the Oklahoma Assignment of Oil and Gas Leases when Producing with Reservation of Production Payment, including: 1. Assignments with a fixed production payment: In this type of assignment, the assignor receives a predetermined percentage or portion of the production or income from the lease for a specified period. 2. Assignments with a sliding scale production payment: This type of assignment provides the assignor with a variable percentage of the production payment based on factors such as the volume of oil or gas produced, market prices, or other predetermined criteria. 3. Assignments with a retained working interest: In some cases, the assignor may choose to retain a working interest in the lease. This means that they continue to hold a percentage of ownership in the lease and are involved in decision-making processes related to operations and management. They also share in the costs and risks associated with drilling and production. 4. Assignments with a retained override royalty interest: Under this type of assignment, the assignor retains a certain percentage of the royalty interests from the lease. Royalties are payments made to the mineral rights owner based on the production or sale of oil and gas, and the assignor continues to receive a share of these payments even after assigning their interest to another party. It is important to note that the terms and conditions of the Oklahoma Assignment of Oil and Gas Leases when Producing with Reservation of Production Payment can vary based on the specific agreement reached between the assignor and assignee. The assignment document should clearly outline the parties involved, the leased property's description, the assigned interests, any reservations or retained interests, and the terms of the production payment. Additionally, the assignment must comply with Oklahoma state laws and regulations governing oil and gas leases.