| OLIVER UNIT | SHERIDAN PRODUCTION CO III, LLC | $46.7 M |
| BP GEORGETOWN 885 | BPX OPERATING COMPANY | $24.0 M |
| NOBLE UNIT | SHERIDAN PRODUCTION CO III, LLC | $20.5 M |
| NOBLE UNIT | SHERIDAN PRODUCTION CO III, LLC | $19.6 M |
| THOMAS GAS UNIT | XTO ENERGY INC. | $18.5 M |
| MCSWAIN | SHERIDAN PRODUCTION CO III, LLC | $18.1 M |
| JONES | SHERIDAN PRODUCTION CO III, LLC | $17.6 M |
| FRANKS ESTATE | SHERIDAN PRODUCTION CO III, LLC | $14.6 M |
| ADAMS | SHERIDAN PRODUCTION CO III, LLC | $12.7 M |
| FRANKS ESTATE | SHERIDAN PRODUCTION CO III, LLC | $12.4 M |
| JONES | SHERIDAN PRODUCTION CO III, LLC | $8.7 M |
| RAMSEY UNIT | SHERIDAN PRODUCTION CO III, LLC | $7.8 M |
| REED UNIT | SHERIDAN PRODUCTION CO III, LLC | $7.8 M |
| JONES | SHERIDAN PRODUCTION CO III, LLC | $7.8 M |
| OLIVER UNIT | SHERIDAN PRODUCTION CO III, LLC | $7.6 M |
| CRAWFORD | DEVON ENERGY PRODUCTION CO, L.P. | $7.1 M |
| RAMSEY UNIT | SHERIDAN PRODUCTION CO III, LLC | $6.5 M |
| BECKHAM GAS UNIT 1 | HIBBARD ENERGY, LP | $6.5 M |
| JONES | SHERIDAN PRODUCTION CO III, LLC | $6.2 M |
| FRANKS, LAWRENCE T. | SHERIDAN PRODUCTION CO III, LLC | $6.2 M |
| SAMFORD | HIBBARD ENERGY, LP | $5.9 M |
| FRANKS ESTATE | SHERIDAN PRODUCTION CO III, LLC | $5.9 M |
| DAVIS GAS UNIT | XTO ENERGY INC. | $5.9 M |
| BECKHAM GAS UNIT 1 | HIBBARD ENERGY, LP | $5.7 M |
| FRANKS ESTATE | SHERIDAN PRODUCTION CO III, LLC | $5.5 M |
| CRAWFORD | SHERIDAN PRODUCTION CO III, LLC | $5.2 M |
| ADAMS | SHERIDAN PRODUCTION CO III, LLC | $5.0 M |
| BECKHAM GAS UNIT 1 | HIBBARD ENERGY, LP | $4.8 M |
| CARLTON GAS UNIT | SHERIDAN PRODUCTION CO III, LLC | $4.6 M |
| POLLEY | SHERIDAN PRODUCTION CO III, LLC | $4.4 M |
| SAMFORD | HIBBARD ENERGY, LP | $4.1 M |
| FRANKS ESTATE | DEVON ENERGY PRODUCTION CO, L.P. | $4.0 M |
| ADAMS | SHERIDAN PRODUCTION CO III, LLC | $4.0 M |
| GRIFFIN, ROBERT | O'BENCO, INC. | $4.0 M |
| ADAMS | SHERIDAN PRODUCTION CO III, LLC | $3.9 M |
| SAMFORD | HIBBARD ENERGY, LP | $3.9 M |
| EDDINS UNIT | DEVON ENERGY PRODUCTION CO, L.P. | $3.7 M |
| JENKINS | SHERIDAN PRODUCTION CO III, LLC | $3.7 M |
| GRIFFIN, ROBERT | HIBBARD ENERGY, LP | $3.6 M |
| GRIFFIN, ROBERT | HIBBARD ENERGY, LP | $3.4 M |
| CHISHOLM-TROUILLE | NEW CENTURY EXPLORATION, INC. | $3.4 M |
| GRIFFIN, ROBERT | HIBBARD ENERGY, LP | $3.3 M |
| ARCO NO. 2 | BEEHIVE OPERATING, LLC | $3.3 M |
| HILTON | ADAMAS ENERGY LLC | $3.1 M |
| STOCKMAN GAS UNIT 1 | HIBBARD ENERGY, LP | $3.1 M |
| POWDRILL | DEVON ENERGY PRODUCTION CO, L.P. | $3.1 M |
| STOCKMAN GAS UNIT 1 | HIBBARD ENERGY, LP | $3.0 M |
| JONES | SHERIDAN PRODUCTION COMPANY, LLC | $2.9 M |
| GRIFFIN, ROBERT | HIBBARD ENERGY, LP | $2.9 M |
| HUGHES GAS UNIT | XTO ENERGY INC. | $2.9 M |
| JONES | DEVON ENERGY PRODUCTION CO, L.P. | $2.8 M |
| MCSWAIN | SHERIDAN PRODUCTION COMPANY, LLC | $2.7 M |
| CASE | SHERIDAN PRODUCTION CO III, LLC | $2.7 M |
| MCDUFFIE, B. J. GAS UNIT | HIBBARD ENERGY, LP | $2.6 M |
| MCSWAIN | SHERIDAN PRODUCTION CO III, LLC | $2.5 M |
| BP GEORGETOWN 885 | BPX OPERATING COMPANY | $2.4 M |
| FRANKS ESTATE | SHERIDAN PRODUCTION CO III, LLC | $2.3 M |
| BP FEE GAS UNIT | ENDEAVOR NATURAL GAS, LP | $2.2 M |
| FRANKS, LAWRENCE T. | SHERIDAN PRODUCTION CO III, LLC | $2.1 M |
| LITTLE GU | HIBBARD ENERGY, LP | $2.1 M |
| MCSWAIN | SHERIDAN PRODUCTION CO III, LLC | $2.0 M |
| IRWIN, BEN GAS UNIT "A" | ROBERT C. BROWER, LLC | $2.0 M |
| HANCOCK | RFE OPERATING, LLC | $2.0 M |
| BECKHAM GAS UNIT 1 | HIBBARD ENERGY, LP | $1.9 M |
| IRWIN, BEN GAS UNIT "A" | ROBERT C. BROWER, LLC | $1.9 M |
| JOPLING GAS UNIT 1 | SOUTHWESTERN ENERGY PROD. CO. | $1.4 M |
| SAMFORD | SHERIDAN PRODUCTION CO III, LLC | $1.3 M |
| POLLEY | DEVON ENERGY PRODUCTION CO, L.P. | $1.3 M |
| BP ETHRIDGE 971 | BPX OPERATING COMPANY | $1.2 M |
| MCSWAIN | SHERIDAN PRODUCTION CO III, LLC | $1.1 M |
| GRIFFIN, ROBERT | HIBBARD ENERGY, LP | $1.0 M |
| CRAWFORD | DEVON ENERGY PRODUCTION CO, L.P. | $1.0 M |
| LITTLE GU | HIBBARD ENERGY, LP | $922 k |
| CHILDS | HIBBARD ENERGY, LP | $872 k |
| REED UNIT | SHERIDAN PRODUCTION CO III, LLC | $644 k |
| OLIVER UNIT | DEVON ENERGY PRODUCTION CO, L.P. | $599 k |
| ANTHONY | SHERIDAN PRODUCTION COMPANY, LLC | $571 k |
| SOUTHERN EGG RANCH | BUFFCO PRODUCTION INC. | $553 k |
| LITTLE GU | HIBBARD ENERGY, LP | $542 k |
| PALMER UNIT | DEVON ENERGY PRODUCTION CO, L.P. | $409 k |
| ARCO NO. 2 | BEEHIVE OPERATING, LLC | $327 k |
| JENNY UNIT | SHERIDAN PRODUCTION COMPANY, LLC | $252 k |
| POWDRILL | DEVON ENERGY PRODUCTION CO, L.P. | $197 k |
| CRAWFORD | SHERIDAN PRODUCTION CO III, LLC | $179 k |
| HEARNSBERGER GAS UNIT | XTO ENERGY INC. | $174 k |
| SMITH | EAGLE OIL & GAS CO. | $157 k |
| SAMPLE | EAGLE OIL & GAS CO. | $106 k |
| TUCKER | TANOS EXPLORATION II, LLC | $59 k |
| GREEN | TANOS EXPLORATION II, LLC | $46 k |
| HILTON | ADAMAS ENERGY LLC | $28 k |
| SHERMAN | ADAMAS ENERGY LLC | $21 k |
| HOWARD "A" | SHERIDAN PRODUCTION CO III, LLC | $17 k |
| HILTON | AETHON ENERGY OPERATING LLC | $15 k |
| GRANT | DALE OPERATING COMPANY | $6 k |