| HILCORP ENERGY | HOUSTON, TX | ENTITY | 47 | $104.7M |
| T C OIL | — | INDIVIDUAL | 34 | $59.1M |
| BRAMAN MINERALS | VICTORIA, TX | INDIVIDUAL | 46 | $12.7M |
| O CONNOR AND HEWITT MIN INT | VICTORIA, TX | INDIVIDUAL | 40 | $10.2M |
| 1990 MA S GRANDCHILDREN | VICTORIA, TX | INDIVIDUAL | 24 | $9.5M |
| O CONNOR LOUISE S | VICTORIA, TX | INDIVIDUAL | 33 | $5.6M |
| KATHRYN O CONNOR COUNTS | VICTORIA, TX | INDIVIDUAL | 29 | $4.0M |
| TIERRA PADRE PARTNERSHIPS | REFUGIO, TX | ENTITY | 9 | $3.7M |
| 1990 FOR ANN S GRANDCHIL | VICTORIA, TX | INDIVIDUAL | 16 | $3.6M |
| 1990 FOR ANNS GRCHILD | VICTORIA, TX | INDIVIDUAL | 16 | $2.9M |
| DORCHESTER OPERATING | — | INDIVIDUAL | 4 | $2.8M |
| KEBO OIL AND GAS | — | INDIVIDUAL | 3 | $1.8M |
| BRAMAN JOSEPH WILLIAM | VICTORIA, TX | INDIVIDUAL | 17 | $1.5M |
| BRAMAN D H III | VICTORIA, TX | INDIVIDUAL | 17 | $1.5M |
| 1990 FOR ANNS GRCHLD | VICTORIA, TX | INDIVIDUAL | 8 | $1.5M |
| 1990 FOR ANN S GRCLD | VICTORIA, TX | INDIVIDUAL | 8 | $1.5M |
| DYNAMIC PRODUCTION | FORT WORTH, TX | INDIVIDUAL | 2 | $1.4M |
| HARITHAS ANN W MINERALS | VICTORIA, TX | INDIVIDUAL | 12 | $1.3M |
| KOC MINERAL INTERESTS | VICTORIA, TX | INDIVIDUAL | 16 | $1.2M |
| LOC FAM ROYALTY INTERESTS | VICTORIA, TX | INDIVIDUAL | 16 | $1.2M |
| GILSTER KATHRYN CARLISLE | VICTORIA, TX | INDIVIDUAL | 17 | $1.1M |
| O CONNOR JUNIE GILSTER | VICTORIA, TX | INDIVIDUAL | 17 | $1.1M |
| JACKS MINERALS | — | INDIVIDUAL | 9 | $1.0M |
| GRETA OPERATING | CORPUS CHRISTI, TX | INDIVIDUAL | 19 | $998K |
| BENT WING ENERGY | — | INDIVIDUAL | 10 | $974K |
| OCONNOR AND HEWITT MINERAL INT | VICTORIA, TX | INDIVIDUAL | 6 | $965K |
| GILSTER RALPH R III | VICTORIA, TX | ENTITY | 17 | $913K |
| ANDERSON MICHAEL SCOTT | VICTORIA, TX | INDIVIDUAL | 13 | $898K |
| ANDERSON STEVEN CRAIG | VICTORIA, TX | INDIVIDUAL | 13 | $898K |
| SAN ISIDRO DEVELOPMENT LC | — | INDIVIDUAL | 10 | $888K |
| CANELA PETRO | — | INDIVIDUAL | 6 | $841K |
| 5H BROTHERS | — | INDIVIDUAL | 9 | $698K |
| GRASSEDONIO CLAIRE SEARCY | — | INDIVIDUAL | 9 | $640K |
| BRAMAN THOMAS E | VICTORIA, TX | INDIVIDUAL | 13 | $631K |
| LEBERMANN VIRGINIA D | VICTORIA, TX | INDIVIDUAL | 18 | $626K |
| O CONNOR THOMAS DONALD MARITAL | LUBBOCK, TX | INDIVIDUAL | 18 | $626K |
| O CONNOR CLAY STEWART 2012 TRT | AUSTIN, TX | INDIVIDUAL | 12 | $569K |
| SOUTH TEXAS OPERATING | SAN ANTONIO, TX | INDIVIDUAL | 2 | $569K |
| O CONNOR KATHERINE FOUNDATION | VICTORIA, TX | INDIVIDUAL | 1 | $562K |
| J AND E HEARD MINERALS | — | INDIVIDUAL | 8 | $543K |
| EXXON MOBIL | — | INDIVIDUAL | 7 | $519K |
| PALOMA OPERATING | — | INDIVIDUAL | 2 | $498K |
| FINN CATHERINE S REVO | DALLAS, TX | INDIVIDUAL | 5 | $490K |
| BAR 3L | — | INDIVIDUAL | 9 | $480K |
| HILLER MARY ELIZABETH | SAN ANTONIO, TX | INDIVIDUAL | 1 | $458K |
| HARITHAS ANN W 1992 | — | INDIVIDUAL | 4 | $429K |
| SEARCY LAWRENCE S | SAN ANTONIO, TX | INDIVIDUAL | 4 | $419K |
| HOUSTON ARTS COMBINED END FND | DALLAS, TX | INDIVIDUAL | 8 | $400K |
| FINN CATHERINE S REV | DALLAS, TX | INDIVIDUAL | 4 | $385K |
| PEASE HELEN HEARD | HOUSTON, TX | INDIVIDUAL | 1 | $382K |
| NESTING | — | INDIVIDUAL | 9 | $372K |
| ETHRIDGE MARITAL DEDUCTION | — | INDIVIDUAL | 9 | $372K |
| HEYSER AND | — | INDIVIDUAL | 5 | $372K |
| HAWN GEORGE S INTERESTS | — | INDIVIDUAL | 5 | $363K |
| MARTIN MYRON J | PARKLAND, FL | INDIVIDUAL | 4 | $363K |
| NELMS H G | HOUSTON, TX | INDIVIDUAL | 12 | $343K |
| JACKS BERYL JANE | AUSTIN, TX | INDIVIDUAL | 8 | $315K |
| O CONNOR T MICHAEL | VICTORIA, TX | INDIVIDUAL | 5 | $302K |
| HEWIT WILLIAM DEAN | DENVER, CO | INDIVIDUAL | 3 | $294K |
| ROOKE SCANIO INTERESTS | CORPUS CHRISTI, TX | INDIVIDUAL | 6 | $284K |
| DIGITAL OPERATING | — | INDIVIDUAL | 7 | $281K |
| BILLUPS LEANN | DOSS, TX | INDIVIDUAL | 9 | $279K |
| JSB III MINERAL | — | INDIVIDUAL | 9 | $279K |
| LEWIS LIZA MARGUERITE BILLUPS | SAN ANTONIO, TX | INDIVIDUAL | 9 | $279K |
| MANNIX FRANCESCA L BILLUPS | SAN ANTONIO, TX | INDIVIDUAL | 9 | $279K |
| SYMINGTON MARCELLA L BILLUPS | PARADISE VALLEY, AZ | INDIVIDUAL | 9 | $279K |
| ZIMMERMAN HANS AND CLARA FND | HOUSTON, TX | INDIVIDUAL | 5 | $278K |
| O CONNOR NANCY | HOUSTON, TX | INDIVIDUAL | 8 | $274K |
| KING M D ENTERPRISES | — | INDIVIDUAL | 2 | $266K |
| CARTER LYNN O CONNOR | AUSTIN, TX | INDIVIDUAL | 7 | $262K |
| DALLAS PETROLEUM GROUP | DALLAS, TX | INDIVIDUAL | 1 | $259K |
| FINALY RESOURCES | — | INDIVIDUAL | 2 | $254K |
| SEARCY PATRICK L SPECIAL | DALLAS, TX | INDIVIDUAL | 5 | $250K |
| FB ROOKE AND SONS | WOODSBORO, TX | INDIVIDUAL | 6 | $249K |
| HARITHAS ANN W | VICTORIA, TX | INDIVIDUAL | 3 | $249K |
| TEXAS GENERAL LAND OFFICE | — | INDIVIDUAL | 6 | $239K |
| BUSH WILLIAM CHRISTOPHER | — | INDIVIDUAL | 9 | $237K |
| WICKER EDWARD H | — | INDIVIDUAL | 5 | $237K |
| HOLT JULIANA HAWN | BLANCO, TX | INDIVIDUAL | 7 | $230K |
| O CONNOR GROUP | VICTORIA, TX | INDIVIDUAL | 4 | $225K |
| SCHAAR KELLY DUNN MARITAL TST | GOLIAD, TX | INDIVIDUAL | 8 | $215K |
| MSA 1993 HAYDEN 2 | VICTORIA, TX | INDIVIDUAL | 4 | $214K |
| SCA 1993 | — | INDIVIDUAL | 4 | $214K |
| MITCHELL JOSEPHINE JENKINS | DALLAS, TX | INDIVIDUAL | 7 | $210K |
| O CONNOR MORGAN FRANCES DUNN | VICTORIA, TX | INDIVIDUAL | 8 | $210K |
| GREESON BRIDEY KATHLEEN DUNN | VICTORIA, TX | INDIVIDUAL | 8 | $204K |
| DUNN BRIEN O CONNOR | CORPUS CHRISTI, TX | INDIVIDUAL | 8 | $201K |
| NEUHAUS GERTRUDE | MCALLEN, TX | INDIVIDUAL | 10 | $197K |
| HEYSER COLLECTION ACCT | CHICAGO, IL | INDIVIDUAL | 1 | $191K |
| BAY ROCK OPERATING | SAN ANTONIO, TX | INDIVIDUAL | 1 | $190K |
| KUHLES STEPHANIE P | — | INDIVIDUAL | 9 | $186K |
| PATTERSON STACY P | — | INDIVIDUAL | 9 | $186K |
| GRASSEDONIO CLAIRE S REV TRST | CORPUS CHRISTI, TX | INDIVIDUAL | 6 | $185K |
| SCANIO MIGUELITA FINN | — | INDIVIDUAL | 3 | $183K |
| FLOYD WILLIAM LOVEALL JR | NEW YORK, NY | INDIVIDUAL | 5 | $181K |
| HEYSER ESTILL S JR DECDNTS I | CHICAGO, IL | INDIVIDUAL | 4 | $181K |
| SEARCY AUBREY | SAN ANTONIO, TX | INDIVIDUAL | 6 | $178K |
| SEARCY LAWRENCE S FAM | SAN ANTONIO, TX | INDIVIDUAL | 5 | $174K |
| DOUGHERTY J R JR FOUNDATION | BEEVILLE, TX | INDIVIDUAL | 3 | $172K |
| HANNA DON ALEX II GST EXPT | FREDRICKSBERG, TX | INDIVIDUAL | 6 | $166K |
