Gain unlimited access to Texas mineral ownership data.
| Owner | Owner City | Lease | Operator | NRI | Type | County | Year |
|---|---|---|---|---|---|---|---|
| FLATLAND II TN SIDECAR LLC | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BAEN WALTER ALLISON | Mathis, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HESTER DIXIE L | Tyler, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND SIDECAR LLC | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND GP II LLC | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| WHITE STAR ENERGY INC | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF PHILLIP HENRY | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| UPTON COUNTY ROYALTY CO INC | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BROWN BENI V | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| JD MINERALS | Corpus Christi, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF LAWRENCE A LIVING TRUST | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| NORTHERN OIL CO | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DUNCAN FIVE REAL EST LP | Benbrook, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| THREE L RANCH LTD | San Angelo, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| AMACKER ROBERT KENT | San Angelo, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| GREENE R G | , | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF HENRY M TEST TR | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| COX CAROLYN M | , | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ARRINGTON OIL & GAS OPERATING | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND MINERAL FUND II LP | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND MINERAL FUND LP | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER ROBERT D TRUST | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER JAMES TRUST | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| CP FOUR GROUP LTD | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| EAST J4 LP | Austin, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER ROBERT | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER JAMES | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF INTERESTS | Fort Worth, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT LEE | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT L (BRO) TRUST | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF INTERESTS | Fort Worth, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF LAWRENCE A LIVING TRUST | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| JD MINERALS | Corpus Christi, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER JAMES | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER JAMES TRUST | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER ROBERT | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| LEHRBURGER ROBERT D TRUST | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| NORTHERN OIL CO | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| THREE L RANCH LTD | San Angelo, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| UPTON COUNTY ROYALTY CO INC | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| WHITE STAR ENERGY INC | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF HENRY M TEST TR | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT LEE | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BAEN WALTER ALLISON | Mathis, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BROWN BENI V | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND GP II LLC | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND II TN SIDECAR LLC | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND SIDECAR LLC | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF PHILLIP HENRY | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HESTER DIXIE L | Tyler, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| AMACKER ROBERT KENT | San Angelo, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| COG OPERATING LLC WI | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| CP FOUR GROUP LTD | Crane, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DUNCAN FIVE REAL EST LP | Benbrook, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| EAST J4 LP | Austin, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND MINERAL FUND II LP | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND MINERAL FUND LP | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HALFF ALBERT L (BRO) TRUST | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ARRINGTON OIL & GAS OPERATING | Midland, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FLATLAND II TN SIDECAR LLC | Dallas, TX | HASEL 57 | COG OPERATING LLC | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |