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| Owner | Owner City | Lease | Operator | NRI | Type | County | Year |
|---|---|---|---|---|---|---|---|
| XTO ENERGY INC | Spring, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| OXY USA WTP LP | Houston, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| MCDONALD JUDY MANN | Sonora, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| MANN ANN TUA FBO JUDY | Arlington, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER ROBERT | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER JAMES | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| JORDAN JACK MANN | Arlington, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF PHILLIP HENRY | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF INTERESTS | Fort Worth, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF HENRY M TEST TR | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT LEE | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT L (BRO) TRUST | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| COG OPERATING LLC WI | Midland, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER STEVEN JEROME | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER EMILY ANN TR | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER BENJAMIN F TR | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER AMY ELIZ | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF INTERESTS | Fort Worth, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT L (BRO) TRUST | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER STEVEN JEROME | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| JORDAN JACK MANN | Arlington, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| MANN ANN TUA FBO JUDY | Arlington, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| COG OPERATING LLC WI | Midland, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| MCDONALD JUDY MANN | Sonora, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER ROBERT | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER JAMES | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF HENRY M TEST TR | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT LEE | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER EMILY ANN TR | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER BENJAMIN F TR | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| XTO ENERGY INC | Spring, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| OXY USA WTP LP | Houston, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF PHILLIP HENRY | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER AMY ELIZ | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DOORNBOS CHARLES F REV TR | Bartlesville, OK | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DOORNBOS CHARLES F REV TR | Bartlesville, OK | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| COG OPERATING LLC WI | Rowlett, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DOORNBOS CHARLES F REV TR | Bartlesville, OK | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT L (BRO) TRUST | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT LEE | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF HENRY M TEST TR | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF INTERESTS | Fort Worth, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF PHILLIP HENRY | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| JORDAN JACK MANN | Arlington, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER AMY ELIZ | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER BENJAMIN F TR | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER EMILY ANN TR | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER JAMES | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER ROBERT | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER STEVEN JEROME | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| MANN ANN TUA FBO JUDY | Arlington, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| MCDONALD JUDY MANN | Sonora, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| OXY USA WTP LP | Houston, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| XTO ENERGY INC | Spring, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| COG OPERATING LLC WI | Rowlett, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF INTERESTS | Fort Worth, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER JAMES | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER ROBERT | Dallas, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| MCDONALD JUDY MANN | Sonora, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| JORDAN JACK MANN | Arlington, TX | MANN 18 | COG OPERATING LLCP | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |