Dallas, Texas is a vibrant city known for its booming oil and gas industry. It serves as a hub for energy exploration and production, making it an ideal location for various types of assignments related to partial interests in oil and gas leases and the reservation of overriding royalty interests. An assignment of partial interest in an oil and gas lease in Dallas, Texas is a legal document that allows an individual or company to transfer a portion of their ownership rights to another party. This type of assignment is commonly used when multiple individuals or entities own a lease and want to divide their interests among themselves or sell a portion of their rights to a third party. One specific type of assignment involving partial interest in an oil and gas lease is reserving an overriding royalty interest (ORRIS). An ORRIS allows the assignor to retain a portion of the future revenue generated from the lease, even after selling or transferring their interest to another party. This means that the assignor will continue to receive a specified percentage of the revenue derived from the lease, regardless of the changes in ownership that may occur in the future. The assignment of partial interest in an oil and gas lease reserving an overriding royalty interest can be further categorized into various subtypes, based on the specific terms and conditions outlined in the assignment agreement. Some of these subtypes include: 1. Assignment with Fixed Percentage ORRIS: In this type of assignment, the assignor reserves a fixed, predetermined percentage of the future revenue derived from the lease. For example, an assignor may reserve a 5% overriding royalty interest, entitling them to 5% of all revenue generated from the lease. 2. Assignment with Sliding Scale ORRIS: This subtype involves an overriding royalty interest that is calculated based on a sliding scale. The percentage of the revenue reserved by the assignor may vary depending on factors such as production volume, commodity pricing, or specific milestones outlined in the agreement. 3. Assignment with Carried Interest ORRIS: Carried interest refers to a situation where the assignor retains a portion of the overriding royalty interest without contributing financially to the exploration or development of the lease. This type of assignment is often used when an experienced operator wishes to secure future revenue while partnering with another party who funds the drilling and operational costs. 4. Assignment with Specific Term ORRIS: In some cases, an assignor may reserve an overriding royalty interest for a specific duration of time. This subtype allows the assignor to receive a percentage of the revenue for a defined period, after which the interest reverts to the assignee. Overall, the assignment of partial interest in an oil and gas lease reserving an overriding royalty interest in Dallas, Texas involves the transfer of ownership rights while retaining a certain portion of the future revenue from the lease. This legal arrangement offers a flexible approach for individuals or companies to optimize their interests in the lucrative oil and gas industry within the city.