| WEST HASTING UNIT03/19054 | DENBURY ONSHORE, LLC | Oil lease | $2.58 bn |
| STATE TRACT 33103/167352 | FIELDWOOD ONSHORE LLC | Gas well | $346.6 M |
| STATE TRACT 33103/191681 | TALOS QN EXPLORATION LLC | Gas well | $175.5 M |
| STATE TRACT 33103/207398 | FIELDWOOD ONSHORE LLC | Gas well | $161.7 M |
| STATE TRACT 33003/172660 | TRANSTEXAS GAS CORPORATION | Gas well | $124.0 M |
| CADE, E. K.03/2095 | BIG LAKE CORPORATION | Oil lease | $118.4 M |
| STATE TRACT 330 GAS UNIT03/234082 | FIELDWOOD ONSHORE LLC | Gas well | $73.7 M |
| TACQUARD03/201777 | HILCORP ENERGY COMPANY | Gas well | $64.3 M |
| BRUCE03/182881 | CIMAREX ENERGY CO. OF COLORADO | Gas well | $55.8 M |
| TRUST UNIT03/22288 | HILCORP ENERGY COMPANY | Oil lease | $53.2 M |
| STEWART, MACO -A- 30003/1631 | GCOWS OPERATING LLC | Oil lease | $45.3 M |
| FEDERAL GAYATT03/22502 | HILCORP ENERGY COMPANY | Oil lease | $44.6 M |
| STATE TRACT 33103/183756 | FIELDWOOD ONSHORE LLC | Gas well | $43.6 M |
| TNCT03/175699 | ALTA MESA SERVICES, LP | Gas well | $42.2 M |
| STATE TRACT 33103/188919 | TALOS QN EXPLORATION LLC | Gas well | $41.0 M |
| FRANKS /8900 SAND/ UNIT03/6493 | HILCORP ENERGY COMPANY | Oil lease | $36.0 M |
| BALLARD03/179688 | CIMAREX ENERGY CO. | Gas well | $35.2 M |
| HALLS BAYOU RANCH "A"03/234686 | BLACK WATER ENVIRONMENTAL L.L.C. | Gas well | $33.1 M |
| ST 236/237 UNIT03/234101 | GALVESTON BAY OPERATING CO LLC | Gas well | $31.6 M |
| STATE TRACT 18003/201526 | RUTHERFORD OIL CORPORATION | Gas well | $31.2 M |
| C. E. FRANKS GAS UNIT03/24409 | HILCORP ENERGY COMPANY | Oil lease | $27.9 M |
| STATE TRACT 34503/224870 | GALVESTON BAY OPERATING CO LLC | Gas well | $27.7 M |
| BRUCE GAS UNIT03/235323 | GASPER RICE RESOURCES, LTD. | Gas well | $27.5 M |
| HALLS BAYOU RANCH "6"03/164677 | REEF EXPLORATION, L.P. | Gas well | $26.2 M |
| STATE OF TEXAS03/203350 | REEF EXPLORATION, L.P. | Gas well | $25.8 M |
| OBRIEN, E., UNIT 603/7174 | BIG LAKE CORPORATION | Oil lease | $22.4 M |
| STATE OF TEXAS03/159433 | REEF EXPLORATION, L.P. | Gas well | $22.0 M |
| MOODY ESTATE TRUSTEE03/21166 | SANDPOINT TEXAS LLC | Oil lease | $21.9 M |
| CAMP WALLACE03/24461 | HOUSTON OIL PROD ENTERPRISES,INC | Oil lease | $21.7 M |
| SUNNY ERNST G.U. 103/262895 | QUIDNET ENERGY DEPLOYMENT LLC | Gas well | $21.1 M |
| ERNST, SUNNY03/189690 | QUIDNET ENERGY DEPLOYMENT LLC | Gas well | $21.0 M |
| STATE TRACT 35203/170229 | TRANSTEXAS GAS CORPORATION | Gas well | $20.8 M |
| EAGLE BAY GAS UNIT03/186891 | TALOS QN EXPLORATION LLC | Gas well | $19.7 M |
| BOBBIE GAS UNIT03/272254 | HILCORP ENERGY COMPANY | Gas well | $19.2 M |
| GORDON03/194515 | XTO ENERGY INC. | Gas well | $19.1 M |
| BRUCE03/19073 | GASPER RICE RESOURCES, LTD. | Oil lease | $18.9 M |
| FEDERAL DELANGE GAS UNIT03/209602 | HILCORP ENERGY COMPANY | Gas well | $18.0 M |
| SUNNY ERNST GU 103/250496 | QUIDNET ENERGY DEPLOYMENT LLC | Gas well | $17.8 M |
| WILLIAM RUBEL03/287938 | HILCORP ENERGY COMPANY | Gas well | $16.6 M |
| SAN LEON GAS UNIT03/185633 | FIELDWOOD ONSHORE LLC | Gas well | $15.8 M |
| CADE, E. KER -A- R/A -A-03/2103 | SANDPOINT TEXAS LLC | Oil lease | $15.7 M |
| GORDON03/222747 | HILCORP ENERGY COMPANY | Gas well | $15.6 M |
| HALLS BAYOU RANCH03/179149 | REEF EXPLORATION, L.P. | Gas well | $14.9 M |
| MCNEILL "B"03/12346 | SANDPOINT TEXAS LLC | Oil lease | $14.8 M |
| HALLS BAYOU RANCH, TR. 4 UNIT03/152241 | REEF EXPLORATION, L.P. | Gas well | $14.8 M |
| ALEXANDER, THOS. P. ETAL03/21769 | HILCORP ENERGY COMPANY | Oil lease | $14.6 M |
| HUFF "A"03/19244 | DUNE OPERATING COMPANY | Oil lease | $14.4 M |
| STATE TRACT 33003/269151 | TALOS QN EXPLORATION LLC | Gas well | $14.3 M |
| OBRIEN, ERIN, ETAL, UNIT 103/6121 | BIG LAKE CORPORATION | Oil lease | $14.3 M |
| TACQUARD03/188975 | HILCORP ENERGY COMPANY | Gas well | $13.8 M |
| TIDWELL03/293296 | KALER ENERGY CORP. | Gas well | $13.0 M |
| BLAKE, JOHN ET AL03/11529 | HILCORP ENERGY COMPANY | Oil lease | $12.6 M |
| ROBERTS & MUELLER03/7295 | BIG LAKE CORPORATION | Oil lease | $12.2 M |
| SMITH, GEORGE E. -B- R/A -A-03/2119 | SANDPOINT TEXAS LLC | Oil lease | $12.2 M |
| TRUST03/21999 | HILCORP ENERGY COMPANY | Oil lease | $11.9 M |
| JEWELS UNIT A03/296199 | KALER ENERGY CORP. | Gas well | $11.3 M |
| ARONSFELD OIL UNIT03/25475 | HILCORP ENERGY COMPANY | Oil lease | $11.2 M |
| SMITH, GEORGE E. -A- R/A -A-03/2117 | SANDPOINT TEXAS LLC | Oil lease | $10.8 M |
| TIDWELL03/288821 | KALER ENERGY CORP. | Gas well | $10.6 M |
| CORTESE UNIT03/24536 | HILCORP ENERGY COMPANY | Oil lease | $10.5 M |
| HUNT CLUB GAS UNIT03/269845 | HILCORP ENERGY COMPANY | Gas well | $10.5 M |
| BOBBIE GAS UNIT03/265401 | SAMSON EXPLORATION, LLC | Gas well | $10.3 M |
| EAST BAY TRACT 180 A03/260312 | RUTHERFORD OIL CORPORATION | Gas well | $10.3 M |
| CAMP WALLACE D03/25132 | HILCORP ENERGY COMPANY | Oil lease | $10.2 M |
| GORDON03/24391 | HUNT, HASSIE EXPLORATION COMPANY | Oil lease | $10.1 M |
| FEDERAL BROOKS GAS UNIT03/209685 | HILCORP ENERGY COMPANY | Gas well | $9.9 M |
| BLOW FISH GAS UNIT 32903/227360 | FIELDWOOD ONSHORE LLC | Gas well | $9.8 M |
| CADE, HENSHAW03/24474 | LINC GULF COAST PETROLEUM, INC. | Oil lease | $9.6 M |
| GORDON03/25956 | HILCORP ENERGY COMPANY | Oil lease | $9.5 M |
| GORDON03/195917 | HUNT, HASSIE EXPLORATION COMPANY | Gas well | $9.3 M |
| GHINAUDO, M., ET AL03/217935 | HILCORP ENERGY COMPANY | Gas well | $9.0 M |
| STEWART, MACO A03/203349 | COLUMBUS ENERGY, LLC | Gas well | $8.9 M |
| GILLOCK, SOUTH UNIT03/6399 | PROMISE ENERGY OPERATIONS, LLC | Gas well | $8.5 M |
| CROSS MEDIA03/175740 | AMRWR, LLC | Gas well | $8.4 M |
| STATE OF TEXAS03/161204 | REEF EXPLORATION, L.P. | Gas well | $8.2 M |
| CADE, E. KER -A- R/A -C-03/2105 | SANDPOINT TEXAS LLC | Oil lease | $8.1 M |
| FRANKS, C. E. GAS UNIT03/185592 | XTO ENERGY INC. | Gas well | $7.8 M |
| GORDON03/196719 | XTO ENERGY INC. | Gas well | $7.7 M |
| ZINN UNIT03/23010 | NORTH LAKE RESOURCES LLC | Oil lease | $7.6 M |
| OUTTERSIDE, A. J.03/1269 | REDBIRD OILFIELD SERVICES CORP. | Oil lease | $7.3 M |
| TIDWELL03/28168 | KALER ENERGY CORP. | Oil lease | $7.3 M |
| STATE - KOHFELDT UNIT03/1648 | PROMISE ENERGY OPERATIONS, LLC | Oil lease | $7.1 M |
| GALVESTON TOWNSITE UNIT 303/181687 | WAGNER OIL COMPANY | Gas well | $7.1 M |
| HALLS BAYOU RANCH03/184768 | REEF EXPLORATION, L.P. | Gas well | $7.0 M |
| GILBY, M. ET AL G. U.03/172308 | HUNT, HASSIE EXPLORATION COMPANY | Gas well | $7.0 M |
| CADE-ZINN & FORMAN03/23727 | VAST OIL TX OPERATING LLC | Oil lease | $6.9 M |
| STEWART, MACO A03/24600 | COLUMBUS ENERGY, LLC | Oil lease | $6.9 M |
| PABST-WILKENS03/22869 | HOME PETROLEUM CORP. | Oil lease | $6.8 M |
| STEWART, MACO -B- 28003/1634 | SAWTOOTH OPERATING CO., INC. | Oil lease | $6.7 M |
| TIDWELL03/28171 | KALER ENERGY CORP. | Oil lease | $6.6 M |
| MOODY UNIT03/23833 | SANDPOINT TEXAS LLC | Oil lease | $6.6 M |
| FRANKS, C. E. GAS UNIT03/198585 | HILCORP ENERGY COMPANY | Gas well | $6.4 M |
| MCLEAN, MARRS D03/25028 | SANDPOINT TEXAS LLC | Oil lease | $6.4 M |
| FRANKS, C. E. OIL UNIT # 103/24342 | HUNT, HASSIE EXPLORATION COMPANY | Oil lease | $6.2 M |
| GHINAUDO, M. ET AL GU03/194695 | HILCORP ENERGY COMPANY | Gas well | $6.1 M |
| GILBY, M. ET AL G. U.03/198608 | HILCORP ENERGY COMPANY | Gas well | $5.9 M |
| STEWART, MACO03/4721 | PROGENIES OPERATING LLC | Oil lease | $5.9 M |
| STEWART, MACO /A/ 39003/1633 | GCOWS OPERATING LLC | Oil lease | $5.9 M |
| BAYOU DEVELOPMENT B03/198557 | COLUMBUS ENERGY, LLC | Gas well | $5.7 M |
| MCNEILL "A"03/12608 | SANDPOINT TEXAS LLC | Oil lease | $5.7 M |