Texas Natural Resources Code - NAT RES § 71.052. Inserting Pooling Provisions in Leases

A city, town, or political subdivision may insert in an oil and gas lease or in an oil, gas, and mineral lease executed by it a provision authorizing the lessee to pool the lease, the land or minerals included in the lease, or any part of these with any other land, leases, mineral estates, or parts of any of these to form a drilling or spacing unit for the exploration, development, and production of oil or gas and authorizing the lessee to form the units and accomplish the pooling by written designations filed in the county in which the land is located.