X0708 D LIVE 0002162959 United Multi-Basin #8, LP 1460 MAIN STREET SUITE 201 SOUTHLAKE TX TEXAS 76092 8177172401 TEXAS None None Limited Partnership true 2026 Morgan Christopher O'Neal 1460 Main Street Suite 201 Southlake TX TEXAS 76092 Executive Officer Jacob Russell Jackson 1460 Main Street Suite 201 Southlake TX TEXAS 76092 Executive Officer Oil and Gas No Revenues 06b false 2026-09-03 false true false 17500 2800000 2800000 0 false 49 0 0 0 false United Multi-Basin #8, LP Morgan O'Neal Morgan O'Neal President of Untied Exploration, LLC - General Partner 2026-10-30