| EOG RESOURCES | HOUSTON, TX | INDIVIDUAL | 160 | $793.1M |
| INEOS USA OIL AND GAS | — | INDIVIDUAL | 151 | $433.6M |
| BPX OPERATING | DENVER, CO | INDIVIDUAL | 268 | $408.8M |
| MARATHON OIL EF | — | INDIVIDUAL | 4 | $306.8M |
| GULFTEX ENERGY | SAN ANTONIO, TX | INDIVIDUAL | 38 | $143.3M |
| ROSEWOOD RESOURCES | DALLAS, TX | INDIVIDUAL | 25 | $133.0M |
| VERDUN OIL AND GAS | — | INDIVIDUAL | 41 | $122.9M |
| SILVERBOW RESOURCES OPER | HOUSTON, TX | INDIVIDUAL | 206 | $111.5M |
| MURPHY EXPLORATION AND PROD | — | INDIVIDUAL | 63 | $111.2M |
| KIMMERIDGE TEXAS GAS | DENVER, CO | INDIVIDUAL | 41 | $79.2M |
| JAVELIN ENERGY MGMT | HOUSTON, TX | INDIVIDUAL | 38 | $76.6M |
| SOUTH TEXAS SYNDICATE | — | INDIVIDUAL | 90 | $73.1M |
| CASTLEROCK EF OPERATING | — | INDIVIDUAL | 13 | $65.9M |
| REPSOL OIL AND GAS USA | — | INDIVIDUAL | 56 | $62.9M |
| BURLINGTON RESOURCES OIL AND GAS | HOUSTON, TX | INDIVIDUAL | 23 | $47.2M |
| DONNELL MINERALS | FOWLERTON, TX | INDIVIDUAL | 143 | $38.4M |
| 74 RANCH MINERALS | — | INDIVIDUAL | 6 | $29.8M |
| EMORY PEAK MINERALS SUB IV | — | INDIVIDUAL | 6 | $28.0M |
| EMORY PEAK MINERALS III | HOUSTON, TX | INDIVIDUAL | 4 | $27.9M |
| DJH MINERALS | HOUSTON, TX | INDIVIDUAL | 1 | $27.4M |
| TRINITY OPERATING USG | — | INDIVIDUAL | 52 | $26.9M |
| JLOWE MINERALS | — | INDIVIDUAL | 84 | $25.5M |
| TYLER RANCH | — | INDIVIDUAL | 48 | $23.6M |
| VERDUN OIL EF II | HOUSTON, TX | INDIVIDUAL | 4 | $14.8M |
| BLACKSTONE DILWORTH | — | INDIVIDUAL | 1 | $12.9M |
| Y BAR MINERALS | — | INDIVIDUAL | 13 | $12.2M |
| EZZELL ROSE M 1983 | — | INDIVIDUAL | 44 | $11.7M |
| RETAMA MINERALS | SAN ANTONIO, TX | INDIVIDUAL | 16 | $11.5M |
| BRACKEN RA CHILDREN PRTNSP | — | INDIVIDUAL | 51 | $11.5M |
| JCBG MINERAL PROPERTIES | — | INDIVIDUAL | 57 | $11.3M |
| EDWARDS RALPH | — | ENTITY | 11 | $11.0M |
| MORTON STANLEY A | — | INDIVIDUAL | 40 | $10.9M |
| QUINTANILLA LEO O | SAN ANTONIO, TX | INDIVIDUAL | 48 | $10.8M |
| KHC | — | INDIVIDUAL | 22 | $10.7M |
| FW MINERALS | — | INDIVIDUAL | 93 | $10.4M |
| B GENTRY VENTURES | — | INDIVIDUAL | 43 | $10.4M |
| CCW MINERALS | — | INDIVIDUAL | 93 | $10.2M |
| KWL MINERALS | — | INDIVIDUAL | 92 | $10.0M |
| LIVELY LEE F | — | INDIVIDUAL | 14 | $9.8M |
| COUNTISS DANIEL DENTON | — | INDIVIDUAL | 16 | $9.8M |
| CARROLL AND MARGUERITE WHEELER FDN | — | INDIVIDUAL | 10 | $9.7M |
| MOULTON SUSAN N M | — | INDIVIDUAL | 72 | $9.5M |
| GATES DIANE D 2011 DILWORTH | — | INDIVIDUAL | 54 | $9.3M |
| CNH ENTERPRISE HOLDINGS | — | INDIVIDUAL | 10 | $9.2M |
| CRUZ MINERAL INVESTMENTS | — | INDIVIDUAL | 35 | $9.0M |
| LESTER POWERS RANCH | — | INDIVIDUAL | 16 | $8.5M |
| VARAS ENERGY OPERATING | — | INDIVIDUAL | 261 | $8.4M |
| ESSE IVAN LYN | — | INDIVIDUAL | 1 | $8.3M |
| WHIPPLE OIL AND GAS | — | INDIVIDUAL | 44 | $7.5M |
| XTO ENERGY | — | INDIVIDUAL | 75 | $7.2M |
| MORRILL SALLIE CHERRY | ROCKPORT, TX | INDIVIDUAL | 33 | $6.5M |
| BLACK STONE MINERALS | — | INDIVIDUAL | 114 | $6.5M |
| QUERCUS BRANCH HOLDINGS | KERRVILLE, TX | INDIVIDUAL | 43 | $6.5M |
| GORDON NICHOLAS E | — | INDIVIDUAL | 35 | $6.4M |
| KOLINEK FAMILY | — | INDIVIDUAL | 6 | $6.2M |
| MIL COLORES | — | INDIVIDUAL | 10 | $5.9M |
| SOUTH TEXAS LEGACY PTNRS | — | INDIVIDUAL | 39 | $5.9M |
| PI ISLAND | — | INDIVIDUAL | 44 | $5.8M |
| SINGER JENNIFER D | — | INDIVIDUAL | 44 | $5.8M |
| TEAL RANCH | — | INDIVIDUAL | 25 | $5.8M |
| KELLER JAMES MCNEEL | — | INDIVIDUAL | 19 | $5.5M |
| KELLER KATIE ADAMS | — | INDIVIDUAL | 19 | $5.5M |
| DADDY DGM | — | INDIVIDUAL | 28 | $5.5M |
| 7PL MINERALS | — | INDIVIDUAL | 41 | $5.5M |
| MORRILL | — | INDIVIDUAL | 14 | $5.3M |
| RKJ SILVERADO MIN HOLDINGS | — | INDIVIDUAL | 10 | $5.2M |
| SEMMES DONNA KAY EXEMPT MARITAL | SAN ANTONIO, TX | INDIVIDUAL | 72 | $5.2M |
| WALLER LAND | — | INDIVIDUAL | 72 | $5.2M |
| PLOMERO RANCHES | BULVERDE, TX | INDIVIDUAL | 16 | $5.2M |
| DILLON REILLY MCNEEL A | — | INDIVIDUAL | 33 | $5.2M |
| MORRILL FRANK S | SAN ANTONIO, TX | INDIVIDUAL | 46 | $5.1M |
| LONG S ARROW OIL AND GAS | — | INDIVIDUAL | 6 | $5.1M |
| MCMULLEN FOUR K | — | INDIVIDUAL | 10 | $5.0M |
| OLIVEIRA PROPERTIES | — | INDIVIDUAL | 1 | $5.0M |
| DAVIS LOUISE DILWORTH 2006 | SAN ANTONIO, TX | INDIVIDUAL | 11 | $5.0M |
| DILWORTH JOSEPH B III | — | INDIVIDUAL | 28 | $5.0M |
| EXEMPT STATE OF TEXAS | — | GOVERNMENT | 123 | $4.9M |
| SWAIM WESLEY AND SUE FAMILY | — | INDIVIDUAL | 31 | $4.6M |
| WHEELER MARY FAMILY | — | INDIVIDUAL | 6 | $4.5M |
| FAUCETT | — | INDIVIDUAL | 12 | $4.4M |
| KELLER JAMES M SUBTRUST UNDER | — | TRUST | 22 | $4.4M |
| KELLER KATIE A SUBTRUST UNDER | — | TRUST | 22 | $4.4M |
| MCCELVEY MARY MINERVA | — | INDIVIDUAL | 37 | $4.3M |
| LEO Q | SAN ANTONIO, TX | INDIVIDUAL | 42 | $4.2M |
| MORTON STANLEY A 27676 | — | INDIVIDUAL | 33 | $4.2M |
| PEROT MINERALS | — | INDIVIDUAL | 53 | $4.0M |
| MOULTON MINERAL HOLDINGS | — | INDIVIDUAL | 72 | $3.9M |
| DONNELL LACIE L LEE | FOWLERTON, TX | INDIVIDUAL | 78 | $3.8M |
| DONNELL COURTNEY N LEE | — | INDIVIDUAL | 78 | $3.8M |
| DUQUE ANDRE | — | INDIVIDUAL | 21 | $3.7M |
| LOWE EVA K | — | INDIVIDUAL | 21 | $3.7M |
| LOWE GUY JEAN | SAN ANTONIO, TX | INDIVIDUAL | 21 | $3.7M |
| LOWE WILLIAM A III | — | INDIVIDUAL | 21 | $3.7M |
| EDWARDS MARY MELINDA | — | INDIVIDUAL | 14 | $3.7M |
| HUGHES DAN A | — | INDIVIDUAL | 6 | $3.6M |
| DOE RAY HOLDINGS | — | INDIVIDUAL | 28 | $3.6M |
| ROCKAWAY 72 HOLDINGS | — | INDIVIDUAL | 28 | $3.6M |
| DAVIS CLAIRE LOUISE DILWORTH | — | INDIVIDUAL | 13 | $3.5M |
| LONGRASS PRODUCTION | — | INDIVIDUAL | 28 | $3.5M |
| KDMULHOLLAND | — | INDIVIDUAL | 26 | $3.5M |
