| BURLINGTON RESOURCES WI ACCTS | HOUSTON, TX | INDIVIDUAL | 328 | $1.6B |
| MARATHON OIL EF | — | INDIVIDUAL | 2,495 | $1.6B |
| EOG RESOURCES MIN ACCTS | — | INDIVIDUAL | 447 | $1.5B |
| DEVON ENERGY PROD WI | OKLAHOMA CITY, OK | INDIVIDUAL | 226 | $670.9M |
| BPX OPERATING | DENVER, CO | INDIVIDUAL | 129 | $512.3M |
| REPSOL OIL AND GAS USA | — | INDIVIDUAL | 295 | $231.3M |
| MAGNOLIA OIL AND GAS OPERATING | — | INDIVIDUAL | 228 | $178.2M |
| MURPHY EXPL AND PROD USA | HOUSTON, TX | INDIVIDUAL | 78 | $126.2M |
| GULFTEX ENERGY | SAN ANTONIO, TX | INDIVIDUAL | 23 | $91.4M |
| WARWICK ARTEMIS | OKLAHOMA CITY, OK | INDIVIDUAL | 29 | $73.1M |
| VERDUN OIL AND GAS | — | INDIVIDUAL | 26 | $65.6M |
| AMBER HARVEST | — | INDIVIDUAL | 2,934 | $56.7M |
| FREEHOLD ROYALTIES USA | — | INDIVIDUAL | 3,053 | $54.4M |
| 1776 ENERGY OPERATORS | HOUSTON, TX | INDIVIDUAL | 20 | $38.9M |
| DEVON ENERGY PROD RI OR | OKLAHOMA CITY, OK | INDIVIDUAL | 309 | $34.0M |
| KIMMERIDGE TEXAS GAS | DENVER, CO | INDIVIDUAL | 31 | $32.5M |
| XTO ENERGY | — | INDIVIDUAL | 146 | $32.0M |
| SITIO EAGLE FORD | DENVER, CO | INDIVIDUAL | 259 | $26.3M |
| BAYTEX ENERGY USA | HOUSTON, TX | INDIVIDUAL | 15 | $25.7M |
| EAGLE FORD AUSTIN INTERESTS | — | INDIVIDUAL | 2,908 | $25.4M |
| HENDERSON WESSENDORFF FDN | RICHMOND, TX | INDIVIDUAL | 91 | $24.2M |
| RED CREST | — | INDIVIDUAL | 128 | $19.2M |
| GROSS DOROTHY A | KENEDY, TX | INDIVIDUAL | 26 | $18.9M |
| ESGMAG | SAN ANTONIO, TX | INDIVIDUAL | 47 | $18.6M |
| TURNBULL LAND AND CATTLE | CORPUS CHRISTI, TX | INDIVIDUAL | 74 | $17.1M |
| STATE OF TEXAS EXEMPT | — | GOVERNMENT | 1,233 | $16.8M |
| CARMODY KATHERINE CHURCH CHARI | DALLAS, TX | INDIVIDUAL | 22 | $13.9M |
| MAP2009 OK | — | INDIVIDUAL | 68 | $13.8M |
| HAWTHORN ENERGY | — | INDIVIDUAL | 68 | $12.8M |
| PEB | SPRINGDALE, AR | INDIVIDUAL | 10 | $11.9M |
| RIDLEY FAMILY INVESTMENTS | RUNGE, TX | INDIVIDUAL | 74 | $11.3M |
| A AND E SCHNEIDER | STOCKDALE, TX | INDIVIDUAL | 23 | $11.2M |
| FRJK LEGACY FAMILY LIMITED PAR | SAN ANTONIO, TX | INDIVIDUAL | 91 | $11.1M |
| ECLETO SOTEX | FORT WORTH, TX | INDIVIDUAL | 93 | $11.0M |
| T BAR L RANCHES | GILLETT, TX | INDIVIDUAL | 35 | $11.0M |
| L B HAILEY FAMILY | SAN ANTONIO, TX | INDIVIDUAL | 49 | $10.8M |
| FKO ENTERPRISES | — | INDIVIDUAL | 110 | $10.8M |
| R MAY OIL AND GAS | — | INDIVIDUAL | 111 | $10.6M |
| RUTTER RANCH | GILLETT, TX | INDIVIDUAL | 17 | $10.5M |
| LUNDBERG C A AND C H | — | INDIVIDUAL | 119 | $9.4M |
| TOM RUCKMAN MINERALS | SAN ANTONIO, TX | INDIVIDUAL | 7 | $9.4M |
| 4 J MINERAL | KARNES CITY, TX | INDIVIDUAL | 65 | $9.4M |
| RANCHO GRANDE MINERAL MGMT | KARNES CITY, TX | INDIVIDUAL | 58 | $8.9M |
| NINE CANYON INTERESTS | — | INDIVIDUAL | 794 | $8.6M |
| YANTA CATTLE | SAN ANTONIO, TX | INDIVIDUAL | 17 | $8.6M |
| COX RUSSELL JAMES | KENEDY, TX | INDIVIDUAL | 16 | $8.4M |
| BURLINGTON RESOURCES OR RI INT | HOUSTON, TX | INDIVIDUAL | 198 | $8.4M |
| TIDAL PETROLEUM | — | INDIVIDUAL | 19 | $8.3M |
| H AND H WORLDWIDE MARKETING | HOUSTON, TX | INDIVIDUAL | 5 | $8.1M |
| LIEDTKE FAMILY | MIDLAND, TX | INDIVIDUAL | 118 | $8.0M |
| RETAMA MINERALS | SAN ANTONIO, TX | INDIVIDUAL | 100 | $8.0M |
| RICHTER DUANE D | SPRING BRANCH, TX | INDIVIDUAL | 4 | $7.7M |
| DR2 INVESTMENTS | SAN ANTONIO, TX | INDIVIDUAL | 104 | $7.5M |
| WITTE | — | INDIVIDUAL | 110 | $7.4M |
| OPIELA ADRIAN JR | GILLETT, TX | INDIVIDUAL | 14 | $7.4M |
| RIVERCREST CAPITAL | FORT WORTH, TX | INDIVIDUAL | 234 | $7.3M |
| 119 WTS | INEZ, TX | INDIVIDUAL | 7 | $7.3M |
| MCCARROLL STEPHEN PAUL | SAN ANTONIO, TX | INDIVIDUAL | 11 | $7.3M |
| CMP CRESCENT MINERALS I GRAY | HOUSTON, TX | INDIVIDUAL | 18 | $7.2M |
| SAN CHRISTOVAL ROYALTY | SHREVEPORT, LA | INDIVIDUAL | 46 | $7.2M |
| TBM CATARINA | FORT WORTH, TX | INDIVIDUAL | 12 | $7.0M |
| NEWTON FINANCIAL | — | INDIVIDUAL | 45 | $6.9M |
| KARNES M 5 MINERALS | KARNES CITY, TX | INDIVIDUAL | 50 | $6.9M |
| BAILEY RESOURCES | KARNES CITY, TX | INDIVIDUAL | 39 | $6.9M |
| T AND N FIVE E | SAN ANTONIO, TX | INDIVIDUAL | 20 | $6.6M |
| KRUCIAK FAMILY | KARNES, TX | INDIVIDUAL | 9 | $6.6M |
| DORCHESTER MINERALS | — | INDIVIDUAL | 156 | $6.6M |
| BURDA ELIZABETH C | YORKTOWN, TX | INDIVIDUAL | 16 | $6.6M |
| RIVERBEND OIL AND GAS IX | HOUSTON, TX | INDIVIDUAL | 128 | $6.5M |
| 8J INTEREST | AUSTIN, TX | INDIVIDUAL | 43 | $6.2M |
| DDR GATTY | SPRING BRANCH, TX | INDIVIDUAL | 17 | $6.2M |
| SPRENCEL JOHN F | FAIR OAKS RANCH, TX | INDIVIDUAL | 11 | $6.2M |
| DULLYE ELIZABETH LAIRD | — | INDIVIDUAL | 68 | $6.1M |
| COATES ENERGY INTERESTS | SAN ANTONIO, TX | INDIVIDUAL | 38 | $6.1M |
| J AND P FAMILY PROPERTIES | — | INDIVIDUAL | 52 | $6.1M |
| HADACIE FAMILY | KENEDY, TX | INDIVIDUAL | 81 | $6.1M |
| RIO GRANDE RESOURCES CORPORATI | HOBSON, TX | ENTITY | 41 | $6.0M |
| JAKUBIK KELLEY HANDY | SUGAR LAND, TX | INDIVIDUAL | 81 | $5.9M |
| ALVIN LEE GREAVES FAM PTNR | KARNES CITY, TX | INDIVIDUAL | 12 | $5.9M |
| MAPFCB 13 NET | — | INDIVIDUAL | 75 | $5.9M |
| ESCONDIDO CREEK | VICTORIA, TX | INDIVIDUAL | 37 | $5.7M |
| 2012 FERGUSON FAMILY PROP | CYPRESS, TX | INDIVIDUAL | 121 | $5.6M |
| WEBB KEVIN AND BRANDY | NEW BRAUNFELS, TX | INDIVIDUAL | 40 | $5.6M |
| ORR FAMILY FOUNDATION | — | INDIVIDUAL | 60 | $5.5M |
| BAR INVERTED TI | BISHOP, TX | INDIVIDUAL | 16 | $5.5M |
| GUARDIAN ROYALTY | — | INDIVIDUAL | 23 | $5.5M |
| STULTING HOWARD JR | KARNES CITY, TX | INDIVIDUAL | 21 | $5.4M |
| WILLEKE LOUIS R | VICTORIA, TX | INDIVIDUAL | 24 | $5.4M |
| ZARVONA ENERGY | HOUSTON, TX | INDIVIDUAL | 2 | $5.3M |
| POM LEGACY ASSETS III | — | INDIVIDUAL | 220 | $5.2M |
| GREEN JAY MINERALS | MADISON, MS | INDIVIDUAL | 23 | $5.2M |
| OXFORD JERRY HOWARD | AUSTIN, TX | INDIVIDUAL | 25 | $5.2M |
| NICHOLS JIM TOM | KENEDY, TX | INDIVIDUAL | 7 | $5.1M |
| JOHNSTON SUSAN M EX INTERV TR1 | HOUSTON, TX | INDIVIDUAL | 4 | $5.1M |
| JD BLESSING ENTERPRISES | CORPUS CHRISTI, TX | INDIVIDUAL | 18 | $5.1M |
| HWJ MINERALS | HOBSON, TX | INDIVIDUAL | 42 | $5.0M |
| BOBKAT ALLIANCE | SPRING BRANCH, TX | INDIVIDUAL | 35 | $5.0M |
| DDM LAND AND CATTLE | TOMBALL, TX | INDIVIDUAL | 35 | $5.0M |
| DAVILA MANUEL G SHELTER | KENEDY, TX | INDIVIDUAL | 46 | $4.9M |
| JOE RUCKMAN RANCH | ATHENS, TX | INDIVIDUAL | 3 | $4.9M |
