| OXY USA WTP | HOUSTON, TX | INDIVIDUAL | 70 | $85.0M |
| O DONNELL FOUNDATION | — | INDIVIDUAL | 34 | $46.7M |
| OCCIDENTAL PERMIAN | HOUSTON, TX | INDIVIDUAL | 7 | $19.0M |
| SHARP IMAGE ENERGY | BIG SPRING, TX | INDIVIDUAL | 60 | $13.1M |
| TEXAS CHRISTIAN UNIVERSITY | FORT WORTH, TX | INDIVIDUAL | 3 | $8.8M |
| PADDLE RANCH MINERALS | ABILENE, TX | INDIVIDUAL | 22 | $8.1M |
| DJ LEGACY | ABILENE, TX | INDIVIDUAL | 34 | $7.5M |
| COLEMAN V J AND SON | ACKERLY, TX | INDIVIDUAL | 4 | $6.9M |
| KARAKIN FOUNDATION | ABILENE, TX | INDIVIDUAL | 34 | $6.6M |
| NUGGET DOG VENTURES | ABILENE, TX | INDIVIDUAL | 35 | $6.6M |
| SOJOURNER DRILLING | — | INDIVIDUAL | 17 | $6.6M |
| WRIGHTSMAN JAYNE | FORT WORTH, TX | INDIVIDUAL | 24 | $6.1M |
| MATTHEWS JOHN A JR ROYALTY | ABILENE, TX | INDIVIDUAL | 35 | $4.5M |
| MATTHEWS KADE LEGETT ROY | — | INDIVIDUAL | 35 | $4.5M |
| MATTHEWS WILLIAM J REVOC TRST | FORT WORTH, TX | INDIVIDUAL | 35 | $4.5M |
| MATTHEWS JULIA ROYALTY | ABILENE, TX | INDIVIDUAL | 35 | $4.5M |
| CHOLLA PETROLEUM | DALLAS, TX | INDIVIDUAL | 5 | $4.0M |
| O DONNELL RUTH | FORT WORTH, TX | INDIVIDUAL | 34 | $3.1M |
| KRADOLFER CAROL O DONNELL | STAR, ID | INDIVIDUAL | 34 | $3.1M |
| O DONNELL ANN | FORT WORTH, TX | INDIVIDUAL | 34 | $3.1M |
| UNIT FOUR | — | INDIVIDUAL | 10 | $2.8M |
| CANAN MOWREY OPERATING | WICHITA FALLS, TX | INDIVIDUAL | 5 | $2.1M |
| COGDELL CONNIE DELLE | LOCKNEY, TX | INDIVIDUAL | 11 | $2.1M |
| MATTHEWS KADE L REVOC 1 | ABILENE, TX | INDIVIDUAL | 16 | $2.1M |
| MATTHEWS JOHN A JR REVOC 1 | ABILENE, TX | INDIVIDUAL | 16 | $2.1M |
| MATTHEWS JULIA REVOC 4 | ABILENE, TX | INDIVIDUAL | 16 | $2.1M |
| THREE SPAN OIL AND GAS | — | INDIVIDUAL | 8 | $1.9M |
| SABINE ROYALTY | — | INDIVIDUAL | 20 | $1.9M |
| BRECK MINERALS | — | INDIVIDUAL | 28 | $1.6M |
| OUDT LESA BOWDEN WEST | DALLAS, TX | INDIVIDUAL | 11 | $1.6M |
| COURTNEY CAROL C DISCLAIMER | HOUSTON, TX | INDIVIDUAL | 11 | $1.5M |
| COGDELL MARITAL | SILVERTON, TX | INDIVIDUAL | 11 | $1.4M |
| MDJ MINERALS LLP | ABILENE, TX | ENTITY | 15 | $1.4M |
| COOPER MATTHEWS FOUNDATION | ABILENE, TX | INDIVIDUAL | 21 | $1.3M |
| TECUMSEH FOUNDATION | ABILENE, TX | INDIVIDUAL | 21 | $1.3M |
| KRP ISLES MANAGEMENT | — | INDIVIDUAL | 1 | $1.3M |
| BROWN GEORGE R | — | INDIVIDUAL | 3 | $1.3M |
| FULLER GILLIAN S 3579 | LOS ANGELES, CA | INDIVIDUAL | 4 | $1.3M |
| CLAIREMONT ENERGY | SNYDER, TX | INDIVIDUAL | 25 | $1.3M |
| YATES INDUSTRIES | SANTA FE, NM | INDIVIDUAL | 5 | $1.1M |
| CHILDERS INVESTMENTS | ARLINGTON, TX | INDIVIDUAL | 6 | $1.1M |
| EXTEX OPERATING | HOUSTON, TX | INDIVIDUAL | 3 | $988K |
| JOINT RESOURCES | — | INDIVIDUAL | 1 | $982K |
| ANDREWS SELMA E 5188 2 | HOUSTON, TX | INDIVIDUAL | 6 | $949K |
| ASPERMONT | ASPERMONT, TX | INDIVIDUAL | 15 | $917K |
| SPIRES LAND AND CATTLE | SNYDER, TX | INDIVIDUAL | 1 | $881K |
| COGDELL BILL PACE | MIDLAND, TX | INDIVIDUAL | 10 | $811K |
| PETEX | BRECKENRIDGE, TX | INDIVIDUAL | 4 | $807K |
| LFY | SWEETWATER, TX | INDIVIDUAL | 6 | $791K |
| SPALDING ENERGY | — | INDIVIDUAL | 3 | $740K |
| CARPENTER PENNY LEE COGDELL | SILVERTON, TX | INDIVIDUAL | 22 | $709K |
| MAPOO NET | OKLAHOMA CITY, OK | INDIVIDUAL | 2 | $664K |
| WALSH AND WATTS | ALEDO, TX | INDIVIDUAL | 6 | $630K |
| HART DAVID A | — | INDIVIDUAL | 6 | $585K |
| STEWART JAMES F | — | INDIVIDUAL | 5 | $533K |
| SHIELD FRED W AND | — | INDIVIDUAL | 4 | $519K |
| COGDELL BILLY RANK | TULIA, TX | INDIVIDUAL | 11 | $510K |
| COGDELL DICK MUNSEY | TULIA, TX | INDIVIDUAL | 11 | $510K |
| COGDELL JIM DAVID | TULIA, TX | INDIVIDUAL | 11 | $510K |
| MARSHALL AND WINSTON | MIDLAND, TX | INDIVIDUAL | 14 | $499K |
| NEWTON FINANCIAL | — | INDIVIDUAL | 12 | $474K |
| GUNN OIL | WICHITA FALLS, TX | INDIVIDUAL | 3 | $472K |
| D AND D ENTERPRISES | POST, TX | INDIVIDUAL | 2 | $460K |
| GRACE PETROLEUM OPERATING | LLANO, TX | INDIVIDUAL | 1 | $450K |
| KNOX INDUSTRIES | — | INDIVIDUAL | 7 | $442K |
| KIMBELL ROYALTY HOLDINGS | FORT WORTH, TX | INDIVIDUAL | 2 | $441K |
| OGP OPERATING | — | INDIVIDUAL | 1 | $435K |
| CHASE OIL | ARTESIA, NM | INDIVIDUAL | 4 | $431K |
| BAGBY WILLIAM C | — | INDIVIDUAL | 29 | $427K |
| BOWIE WILLIAM H | — | INDIVIDUAL | 4 | $423K |
| MD RANCH | LUBBOCK, TX | INDIVIDUAL | 15 | $418K |
| GREGORY GARTH AND ALTA | GIRARD, TX | INDIVIDUAL | 4 | $403K |
| BASA RESOURCES | — | INDIVIDUAL | 9 | $397K |
| FLEMING SABRA J | AUSTIN, TX | INDIVIDUAL | 6 | $390K |
| WEIN REBECCA HELEN | MIDLAND, TX | INDIVIDUAL | 1 | $387K |
| WOODS JOHN CLAIBORNE | FORT DAVIS, TX | INDIVIDUAL | 1 | $387K |
| SHIDLER MARK L | — | INDIVIDUAL | 1 | $374K |
| WALLACE BERT CAROL | JAYTON, TX | INDIVIDUAL | 26 | $373K |
| PIRA JAN MARTIN | — | INDIVIDUAL | 6 | $369K |
| COGDELL MARTHA ANN HOSPITAL | AMARILLO, TX | INDIVIDUAL | 2 | $366K |
| THOMPSON TRACY E | KNOXVILLE, TN | INDIVIDUAL | 1 | $342K |
| WALLACE SUSAN LEE | SNYDER, TX | INDIVIDUAL | 26 | $338K |
| RUCH SUSAN K SPIRES | SNYDER, TX | INDIVIDUAL | 6 | $337K |
| SPIRES CINDY ANN | SNYDER, TX | INDIVIDUAL | 6 | $337K |
| COLEMAN DIANE YOUNG | AUSTIN, TX | INDIVIDUAL | 6 | $328K |
| HARRIS DEBORAH STEWART | TUSCOLA, TX | INDIVIDUAL | 5 | $326K |
| STEWART JAMES RICHARD | SPUR, TX | INDIVIDUAL | 5 | $326K |
| STEWART TERESA LYNN | TUSCOLA, TX | INDIVIDUAL | 5 | $326K |
| STEWART BRUCE WARD | SNYDER, TX | INDIVIDUAL | 5 | $326K |
| PRIDMORE TED THOMAS FAMILY | LUBBOCK, TX | INDIVIDUAL | 7 | $315K |
| SSC | LUBBOCK, TX | INDIVIDUAL | 1 | $313K |
| JUDD CHARLES LEROY | BUCKHORN, NM | INDIVIDUAL | 5 | $303K |
| SPIRES LEROY III | LAS CRUCES, NM | INDIVIDUAL | 5 | $303K |
| CRAWFORD OIL AND GAS MNGMNT | PFLUGERVILLE, TX | INDIVIDUAL | 2 | $299K |
| COURTNEY DAVID M 1985 | LOCKNEY, TX | INDIVIDUAL | 1 | $298K |
| COURTNEY JOHN C 1985 | LOCKNEY, TX | INDIVIDUAL | 1 | $298K |
| PALO VERDE OIL | DALLAS, TX | INDIVIDUAL | 4 | $295K |
| EXXON CORPPRATION | SPRING, TX | ENTITY | 2 | $295K |
| THOMPSON SUSAN HART | KNOXVILLE, TN | INDIVIDUAL | 1 | $290K |
| HEDBERG FAMILY PARTNSHIP | FORT WORTH, TX | INDIVIDUAL | 14 | $287K |
