| BURLINGTON RESOURCES OIL AND GAS | HOUSTON, TX | INDIVIDUAL | 37 | $162.3M |
| MARATHON OIL EF | — | INDIVIDUAL | 171 | $57.5M |
| WARWICK ARTEMIS | OKLAHOMA CITY, OK | INDIVIDUAL | 11 | $25.9M |
| REPSOL OIL AND GAS USA | — | INDIVIDUAL | 54 | $22.3M |
| XTO ENERGY | — | INDIVIDUAL | 120 | $19.2M |
| AMBER HARVEST | — | INDIVIDUAL | 48 | $9.7M |
| HYDROCARBON OPERATING | — | INDIVIDUAL | 2 | $5.6M |
| HEADWATERS ENERGY | DRIPPING SPGS, TX | INDIVIDUAL | 24 | $5.6M |
| MNK LEGACY | HOUSTON, TX | INDIVIDUAL | 56 | $4.7M |
| FLETCHER OPERATING | — | INDIVIDUAL | 20 | $4.0M |
| BRIDWELL OIL | WICHITA FALLS, TX | INDIVIDUAL | 13 | $3.9M |
| TWELVE OAKS FAMILY | SEQUIN, TX | INDIVIDUAL | 28 | $3.7M |
| BB SOUTHTEX | SAN ANTONIO, TX | INDIVIDUAL | 55 | $3.5M |
| EAGLE FORD AUSTIN INTEREST | HOUSTON, TX | INDIVIDUAL | 157 | $3.5M |
| OHBE AHBE | KENEDY, TX | INDIVIDUAL | 44 | $3.0M |
| HENDERSON WESSENDORFF FDN | RICHMOND, TX | INDIVIDUAL | 19 | $2.9M |
| RANCHO SALADO | LA GRANGE, TX | INDIVIDUAL | 9 | $2.4M |
| RUHMANN JAMES RUSSELL | COTULLA, TX | INDIVIDUAL | 14 | $2.3M |
| DYNAMIC PRODUCTION | FORT WORTH, TX | INDIVIDUAL | 5 | $2.3M |
| WELDERXP | — | INDIVIDUAL | 30 | $2.3M |
| FREEHOLD ROYALTIES USA | — | INDIVIDUAL | 122 | $2.0M |
| SAN CHRISTOVAL ROYALTY | SHREVEPORT, LA | INDIVIDUAL | 28 | $1.9M |
| BELVEDERE OPERATING | ADDISON, TX | INDIVIDUAL | 19 | $1.8M |
| KINGFISH GATHERING | LAGO VISTA, TX | INDIVIDUAL | 2 | $1.8M |
| REPSOL OIL AND GAS USA OR | THE WOODLANDS, TX | INDIVIDUAL | 110 | $1.8M |
| PALEO OIL | — | INDIVIDUAL | 123 | $1.8M |
| WRIGHT DAVID A AND PATRICIA J | KENEDY, TX | INDIVIDUAL | 13 | $1.8M |
| BRITANCO | — | INDIVIDUAL | 31 | $1.7M |
| JLJ RANCH | SAN ANTONIO, TX | INDIVIDUAL | 12 | $1.6M |
| SJRM | SEGUIN, TX | INDIVIDUAL | 12 | $1.6M |
| OLSON RANCH | KENEDY, TX | INDIVIDUAL | 8 | $1.5M |
| AURORA RESOURCES | — | INDIVIDUAL | 2 | $1.5M |
| CHAPMAN HUGH T FAMILY | — | INDIVIDUAL | 5 | $1.4M |
| CONRAD D ANNE FRANKLIN | HOUSTON, TX | INDIVIDUAL | 14 | $1.4M |
| JDFSR 316 | RICHMOND, TX | INDIVIDUAL | 14 | $1.4M |
| FIELD PETROLEUM | SAN ANTONIO, TX | INDIVIDUAL | 1 | $1.4M |
| MUIR LANE RESOURCE | AUSTIN, TX | INDIVIDUAL | 15 | $1.2M |
| LACKEY ANN W | TULSA, OK | INDIVIDUAL | 3 | $981K |
| DAYLIGHT PETROLEUM | HOUSTON, TX | INDIVIDUAL | 1 | $969K |
| LASCA ARNOLD | BOERNE, TX | INDIVIDUAL | 9 | $930K |
| SRUBAR GAIL LEE | SAN ANTONIO, TX | INDIVIDUAL | 9 | $930K |
| LKM CAPITAL | — | INDIVIDUAL | 47 | $912K |
| J AND R ESKEW FAMILY | CORPUS CHRISTI, TX | INDIVIDUAL | 11 | $898K |
| ROCK RESOURCES | DALLAS, TX | INDIVIDUAL | 2 | $897K |
| ARNOLD DOUGLAS | JACKSONVILLE, FL | INDIVIDUAL | 7 | $896K |
| CSB PROPERTIES | MONTGOMERY, TX | INDIVIDUAL | 9 | $881K |
| NOVAK STEVEN D AND RANDA S | BOERNE, TX | INDIVIDUAL | 9 | $881K |
| SCHENDEL TODD C AND BONNIE S | BEEVILLE, TX | INDIVIDUAL | 9 | $881K |
| STEWART JO ANN | — | INDIVIDUAL | 9 | $881K |
| BORN PERRY COLEMAN III | PAWNEE, TX | INDIVIDUAL | 3 | $864K |
| MONTGOMERY ENERGY | BAY SPRINGS, MS | INDIVIDUAL | 21 | $852K |
| BARRERA BROLL RANCH | CORPUS CHRISTI, TX | INDIVIDUAL | 17 | $838K |
| ESSE IVAN LYN AND ROBIN | WHITSETT, TX | INDIVIDUAL | 3 | $834K |
| THB FAMILY | MC QUEENEY, TX | INDIVIDUAL | 28 | $825K |
| RED ROCKS | — | INDIVIDUAL | 37 | $818K |
| BUCKALOO JANIS L | WAINSCOTT, NY | INDIVIDUAL | 24 | $812K |
| CADDO MINERALS | AUSTIN, TX | INDIVIDUAL | 20 | $807K |
| NINE CANYON INTERESTS | — | INDIVIDUAL | 126 | $794K |
| WIEDING ALICIA G | KENEDY, TX | INDIVIDUAL | 7 | $746K |
| SUE ANN OPERATING LC | VICTORIA, TX | INDIVIDUAL | 27 | $739K |
| POGUE JOYCE MAXINE | — | INDIVIDUAL | 12 | $737K |
| HILLER MARY ELIZABETH | SAN ANTONIO, TX | INDIVIDUAL | 2 | $724K |
| FRANKLIN RICHARD H | AMARILLO, TX | INDIVIDUAL | 14 | $704K |
| FRANKLIN TONJA GENE | WASHOUGAL, WA | INDIVIDUAL | 14 | $704K |
| RINCON PETROLEUM | — | ENTITY | 8 | $618K |
| CIMARRON ENGINEERING | KINGSVILLE, TX | INDIVIDUAL | 1 | $614K |
| ESCONDIDO CREEK | VICTORIA, TX | INDIVIDUAL | 11 | $593K |
| IMP MINERALS | KENEDY, TX | INDIVIDUAL | 24 | $589K |
| SRS PROPERTIES | WHITEHOUSE, TX | INDIVIDUAL | 3 | $574K |
| THOMSON BARROW | HOUSTON, TX | INDIVIDUAL | 1 | $549K |
| ALANIZ JIM AND BLANCHE | PAWNEE, TX | INDIVIDUAL | 3 | $509K |
| STAPLES JAMES W PROD | TULETA, TX | INDIVIDUAL | 6 | $507K |
| MBLC CUATRO D | PAWNEE, TX | INDIVIDUAL | 12 | $474K |
| CHP OIL AND GAS LC | EL CAMPO, TX | INDIVIDUAL | 1 | $469K |
| FORD JAMES T AND PATRICIA LE | TAFT, TX | INDIVIDUAL | 2 | $447K |
| BENDER HARLAN AND AYLA REV TRST | ADKINS, TX | INDIVIDUAL | 5 | $434K |
| MINER R C OIL | — | INDIVIDUAL | 1 | $433K |
| DIRNETT | TULETA, TX | INDIVIDUAL | 1 | $430K |
| EL OSO FARMS | SPRING, TX | INDIVIDUAL | 29 | $429K |
| KRAUSE JIMMY DON AND CLAUDIA | KENEDY, TX | INDIVIDUAL | 10 | $425K |
| MAP2006 OK | — | INDIVIDUAL | 11 | $424K |
| RUHMANN TRENTON M 2012 | COTULLA, TX | INDIVIDUAL | 16 | $418K |
| RUHMANN ZACHARY G 2012 | CASTROVILLE, TX | INDIVIDUAL | 16 | $418K |
| PALOMA CATTLE | — | INDIVIDUAL | 2 | $414K |
| KRAUSE OTTO III AND PHYLLIS | KARNES CITY, TX | INDIVIDUAL | 15 | $398K |
| EIGF II AGGREGATOR | — | INDIVIDUAL | 7 | $396K |
| WEATHERS ADRIANA | — | INDIVIDUAL | 126 | $396K |
| FOWLER WILLIAM IRA | AUSTIN, TX | INDIVIDUAL | 5 | $386K |
| HILLSMAN DAN C AND BARBARA A | DURANGO, CO | INDIVIDUAL | 3 | $375K |
| MORRIS GINA LANE POGUE | HOUSTON, TX | INDIVIDUAL | 29 | $370K |
| EASLEY JOYCE STAIR | MOORE, TX | INDIVIDUAL | 16 | $364K |
| FALKS MARY LOUISE | SAN ANTONIO, TX | INDIVIDUAL | 8 | $363K |
| RICHARDS JAMIE POGUE | KATY, TX | INDIVIDUAL | 20 | $360K |
| STANTON SANDRA S | KENEDY, TX | INDIVIDUAL | 10 | $356K |
| RUDOLPH ELIZABETH A FAMILY | KARNES CITY, TX | ENTITY | 8 | $342K |
| BAKER JANA OLSON | SAN ANTONIO, TX | INDIVIDUAL | 9 | $341K |
| OLSON PAUL A JR | GOLIAD, TX | INDIVIDUAL | 9 | $341K |
| DAVILA MANUEL G SHELTER | KENEDY, TX | INDIVIDUAL | 11 | $319K |
| STEINDORF ROY | NEW BRAUNFELS, TX | INDIVIDUAL | 3 | $317K |
| MURPHY RICHARD MICHAEL | AUSTIN, TX | INDIVIDUAL | 8 | $316K |
