| 
                        P-896635-8-O
                     | 
                    AVALANCHE 29-40 UNIT | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-896636-8-O
                     | 
                    AVALANCHE 29-40 UNIT | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-876229-8-O
                     | 
                    BLACKTIP 1-0-42-43 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-876231-8-O
                     | 
                    BLACKTIP 1-0-42-43 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-48641-8-O
                     | 
                    BLACKTIP UNIVERSITY "19-26" | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-51148-8-O
                     | 
                    BLACKTIP UNIVERSITY "19-26" | 
                    
                        TWO GEORGES (BONE SPRING) (92100050)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-42108-8-O
                     | 
                    BLACKTIP UNIVERSITY 19-26 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        2
                     | 
                
                
                    | 
                        R-46453-8-O
                     | 
                    HALEY 28-43 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        2
                     | 
                
                
                    | 
                        R-62866-8-O
                     | 
                    HELGA 19-0-4-40 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62536-8-O
                     | 
                    HELGA 19-0-4-40 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62537-8-O
                     | 
                    HELGA 19-0-4-40 C | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62538-8-O
                     | 
                    HELGA 19-0-4-40 D | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62547-8-O
                     | 
                    HELGA 19-0-4-40 E | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-60413-8-O
                     | 
                    MANDARINA 29-0-48-1 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-60414-8-O
                     | 
                    MANDARINA 29-0-48-1 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-60415-8-O
                     | 
                    MANDARINA 29-0-48-1 C | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-60416-8-O
                     | 
                    MANDARINA 29-0-48-1 D | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-60417-8-O
                     | 
                    MANDARINA 29-0-48-1 E | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-889636-8-O
                     | 
                    MANDARINA 29-0-48-1 F | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62097-8-O
                     | 
                    NORTHDOWN 28-0-43-6 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62098-8-O
                     | 
                    NORTHDOWN 28-0-43-6 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62247-8-O
                     | 
                    NORTHDOWN 28-0-43-6 C | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62099-8-O
                     | 
                    NORTHDOWN 28-0-43-6 D | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62100-8-O
                     | 
                    NORTHDOWN 28-0-43-6 E | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-62101-8-O
                     | 
                    NORTHDOWN 28-0-43-6 F | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-58733-8-O
                     | 
                    SHOCK-N-AWE 19-0-5-41 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-58756-8-O
                     | 
                    SHOCK-N-AWE 19-0-5-41 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-58739-8-O
                     | 
                    SHOCK-N-AWE 19-0-5-41 C | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-58758-8-O
                     | 
                    SHOCK-N-AWE 19-0-5-41 D | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-58732-8-O
                     | 
                    SHOCK-N-AWE 19-0-5-41 E | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-58740-8-O
                     | 
                    SHOCK-N-AWE 19-0-5-41 F | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-907677-8-O
                     | 
                    SUNSHINE UL 29-0-39-3 A | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-907678-8-O
                     | 
                    SUNSHINE UL 29-0-39-3 B | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-907679-8-O
                     | 
                    SUNSHINE UL 29-0-39-3 C | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-907680-8-O
                     | 
                    SUNSHINE UL 29-0-39-3 D | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-909491-8-O
                     | 
                    SUNSHINE UL 29-0-39-3 D | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-907681-8-O
                     | 
                    SUNSHINE UL 29-0-39-3 E | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-907682-8-O
                     | 
                    SUNSHINE UL 29-0-39-3 F | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-48385-8-O
                     | 
                    UNIVERSITY "19-1" | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-46773-8-O
                     | 
                    UNIVERSITY "19-27" | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-42982-8-O
                     | 
                    University "19-29" | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-48567-8-O
                     | 
                    University "19-29" | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-51147-8-O
                     | 
                    University "19-29" | 
                    
                        TWO GEORGES (BONE SPRING) (92100050)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-48459-8-O
                     | 
                    UNIVERSITY "19-5" | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        2
                     | 
                
                
                    | 
                        R-48974-8-O
                     | 
                    UNIVERSITY "20-42" | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-230470-8-G
                     | 
                    UNIVERSITY 18-40 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-39771-8-O
                     | 
                    UNIVERSITY 18-40 | 
                    
                        TWO GEORGES (BONE SPRING) (92100050)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-42956-8-O
                     | 
                    UNIVERSITY 18-40 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        2
                     | 
                
                
                    | 
                        R-60608-8-O
                     | 
                    UNIVERSITY 19-0-7-16 A | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-891577-8-O
                     | 
                    UNIVERSITY 19-0-7-16 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-60626-8-O
                     | 
                    UNIVERSITY 19-0-7-16 B | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-891578-8-O
                     | 
                    UNIVERSITY 19-0-7-16 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-891580-8-O
                     | 
                    UNIVERSITY 19-0-7-16 C | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-891581-8-O
                     | 
                    UNIVERSITY 19-0-7-16 D | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        P-891582-8-O
                     | 
                    UNIVERSITY 19-0-7-16 E | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-58824-8-O
                     | 
                    UNIVERSITY 19-0-7-5 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-220800-8-G
                     | 
                    UNIVERSITY 19-10 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-220189-8-G
                     | 
                    UNIVERSITY 19-1 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-244027-8-G
                     | 
                    UNIVERSITY 19-1 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-46082-8-O
                     | 
                    UNIVERSITY 19-1 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        2
                     | 
                
                
                    | 
                        R-226241-8-G
                     | 
                    UNIVERSITY 19-21 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-230319-8-G
                     | 
                    UNIVERSITY 19-26 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-236277-8-G
                     | 
                    UNIVERSITY 19-27 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-227201-8-G
                     | 
                    UNIVERSITY 19-29 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-39730-8-O
                     | 
                    UNIVERSITY 19-29 | 
                    
                        TWO GEORGES (BONE SPRING) (92100050)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-225852-8-G
                     | 
                    UNIVERSITY 19-3 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-40552-8-O
                     | 
                    UNIVERSITY 19-5 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        2
                     | 
                
                
                    | 
                        R-214116-8-G
                     | 
                    UNIVERSITY 19-6 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-47599-8-O
                     | 
                    UNIVERSITY 19-6 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-284763-8-G
                     | 
                    UNIVERSITY 19-7 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-52378-8-O
                     | 
                    UNIVERSITY 19-7 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-54083-8-O
                     | 
                    UNIVERSITY 19-8 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-54185-8-O
                     | 
                    UNIVERSITY 19-8 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-228826-8-G
                     | 
                    UNIVERSITY 20-19 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-223123-8-G
                     | 
                    UNIVERSITY 20-29 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-215374-8-G
                     | 
                    UNIVERSITY 20-31 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-39727-8-O
                     | 
                    UNIVERSITY 20-42 | 
                    
                        TWO GEORGES (BONE SPRING) (92100050)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-43029-8-O
                     | 
                    UNIVERSITY 20-42 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-215466-8-G
                     | 
                    UNIVERSITY 20-6 | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-47102-8-O
                     | 
                    UNIVERSITY 20-6 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-209667-8-G
                     | 
                    UNIVERSITY LANDS "19-4" | 
                    
                        HALEY (LWR. WOLFCAMP-PENN CONS.) (38118300)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-47109-8-O
                     | 
                    YELLOWJACKET UL UNIT 19-3 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        3
                     | 
                
                
                    | 
                        R-50764-8-O
                     | 
                    YELLOWJACKET UL UNIT 19-3 | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-63896-8-O
                     | 
                    YOKUM UL 19-0-8-4 A | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-63847-8-O
                     | 
                    YOKUM UL 19-0-8-4 B | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-63848-8-O
                     | 
                    YOKUM UL 19-0-8-4 C | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-63885-8-O
                     | 
                    YOKUM UL 19-0-8-4 D | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-63886-8-O
                     | 
                    YOKUM UL 19-0-8-4 E | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-63849-8-O
                     | 
                    YOKUM UL 19-0-8-4 F | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-63850-8-O
                     | 
                    YOKUM UL 19-0-8-4 G | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-63844-8-O
                     | 
                    YOKUM UL 19-0-8-4 H | 
                    
                        SANDBAR (BONE SPRING) (80544500)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-54172-8-O
                     | 
                    YOKUM UL 19-4 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-54279-8-O
                     | 
                    YOKUM UL 19-4 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-47233-8-O
                     | 
                    YOKUM UL UNIT 19-4 | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        3
                     | 
                
                
                    | 
                        R-64043-8-O
                     | 
                    ZENITH STATE 19-0-6-43 A | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-64044-8-O
                     | 
                    ZENITH STATE 19-0-6-43 B | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     | 
                
                
                    | 
                        R-64045-8-O
                     | 
                    ZENITH STATE 19-0-6-43 C | 
                    
                        PHANTOM (WOLFCAMP) (71052900)
                     | 
                    
                        ANADARKO E&P ONSHORE LLC (0000020528) | 
                    
                        1
                     |