( April 13, 2026, 10:53 AM EDT) -- NEW ORLEANS — A mineral rights holding company has filed an opening appeal brief in the Fifth Circuit U.S. Court of Appeals arguing that a lower court erred when it ruled that a Pugh clause in a mineral lease did not apply to the compulsory unitization of wells because the Louisiana Supreme Court has ruled that any unqualified reference to “pooled unit or units” includes voluntary and compulsory units....