| GATES N TR5 | LEWIS PETRO PROPERTIES, INC. | $25.7 M |
| GATES 'N' TR4 | LEWIS PETRO PROPERTIES, INC. | $7.9 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $6.4 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $6.1 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $6.0 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $2.8 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $2.7 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $2.5 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $2.4 M |
| GATES RANCH | LEWIS PETRO PROPERTIES, INC. | $2.2 M |
| PETTY, O. S. | WHITE OAK OPERATING COMPANY LLC | $2.2 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $2.1 M |
| PETTY, O. S. | WHITE OAK OPERATING COMPANY LLC | $2.1 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $1.9 M |
| GATES RANCH B 1996 | WHITE OAK OPERATING COMPANY LLC | $1.8 M |
| GATES RANCH "W" | WHITE OAK OPERATING COMPANY LLC | $1.8 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $1.7 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $1.7 M |
| PETTY RANCH | ST. MARY LAND & EXPLORATION CO. | $1.7 M |
| GATES RANCH | LEWIS PETRO PROPERTIES, INC. | $1.6 M |
| PETTY, O. S. | WHITE OAK OPERATING COMPANY LLC | $1.5 M |
| PETTY, O. S. | WHITE OAK OPERATING COMPANY LLC | $1.4 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $1.3 M |
| GATES 'N' TR4 | LEWIS PETRO PROPERTIES, INC. | $1.2 M |
| PETTY, O. S. | WHITE OAK OPERATING COMPANY LLC | $1.2 M |
| PETTY, O. S. | WHITE OAK OPERATING COMPANY LLC | $1.2 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $1.2 M |
| GATES RANCH | WHITE OAK OPERATING COMPANY LLC | $1.1 M |
| BRISCOE -A- | SM ENERGY COMPANY | $1.1 M |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $1.1 M |
| PETTY RANCH | ST. MARY LAND & EXPLORATION CO. | $1.0 M |
| GATES 'N' TR4 | LEWIS PETRO PROPERTIES, INC. | $1.0 M |
| PETTY, O. S. | ROSETTA RESOURCES OPERATING LP | $914 k |
| PETTY, O. S. | WHITE OAK OPERATING COMPANY LLC | $867 k |
| PETTY, O. S. | WHITE OAK OPERATING COMPANY LLC | $835 k |
| GATES RANCH "B" | WHITE OAK OPERATING COMPANY LLC | $816 k |
| GATES RANCH | LEWIS PETRO PROPERTIES, INC. | $804 k |
| GATES 'N' TR4 | LEWIS PETRO PROPERTIES, INC. | $800 k |
| PETTY RANCH | WHITE OAK OPERATING COMPANY LLC | $778 k |
| PETTY, O. S. | ST. MARY LAND & EXPLORATION CO. | $763 k |
| PETTY RANCH | ST. MARY LAND & EXPLORATION CO. | $732 k |
| BRISCOE (5140) | FLINT OAK ENERGY, LLC | $681 k |
| PETTY, O. S. "A" | WHITE OAK OPERATING COMPANY LLC | $665 k |
| PETTY, O. S. | PETROPOINT ENERGY OPERATING, LLC | $648 k |
| GATES RANCH "B" | WHITE OAK OPERATING COMPANY LLC | $637 k |
| GATES RANCH | LEWIS PETRO PROPERTIES, INC. | $618 k |
| PETTY RANCH | ST. MARY LAND & EXPLORATION CO. | $522 k |
| GATES RANCH | LEWIS PETRO PROPERTIES, INC. | $487 k |
| PETTY RANCH | KERNS O & G, INC. | $464 k |
| GATES RANCH | LEWIS PETRO PROPERTIES, INC. | $441 k |
| BRISCOE -A- | SM ENERGY COMPANY | $408 k |
| PETTY, O. S. | KERNS O & G, INC. | $403 k |
| GATES RANCH | LEWIS PETRO PROPERTIES, INC. | $373 k |
| PETTY, O. S. | BLACKBRUSH O & G, INC. | $332 k |
| PETTY, O. S. | KERNS O & G, INC. | $273 k |
| PETTY, O. S. | BLACKBRUSH O & G, INC. | $273 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $262 k |
| GATES RANCH | LEWIS PETRO PROPERTIES, INC. | $250 k |
| PETTY RANCH | ROSETTA RESOURCES OPERATING LP | $243 k |
| GATES RANCH | LEWIS PETRO PROPERTIES, INC. | $239 k |
| GATES RANCH "W" | WHITE OAK OPERATING COMPANY LLC | $206 k |
| BRISCOE -A- | CRIMSON ENERGY COMPANY, LC | $203 k |
| PETTY RANCH | KERNS O & G, INC. | $200 k |
| PETTY, O. S. | KERNS O & G, INC. | $194 k |
| PETTY, O. S. | BLACKBRUSH O & G, INC. | $165 k |
| GATES RANCH B-1 | BLACKBRUSH O & G, INC. | $156 k |
| GATES RANCH B 1996 | WHITE OAK OPERATING COMPANY LLC | $143 k |
| GATES RANCH B-1996 | BLACKBRUSH O & G, INC. | $128 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $123 k |
| BRISCOE -A- | SM ENERGY COMPANY | $116 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $110 k |
| BRISCOE/HULSMAN | LEWIS PETRO PROPERTIES, INC. | $98 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $95 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $92 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $89 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $87 k |
| BRISCOE/HULSMAN | LEWIS PETRO PROPERTIES, INC. | $87 k |
| PETTY, O. S. | KERNS O & G, INC. | $58 k |
| GATES RANCH | KERNS O & G, INC. | $52 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $51 k |
| PETTY RANCH | ST. MARY LAND & EXPLORATION CO. | $51 k |
| BRISCOE -A- | CRIMSON ENERGY COMPANY, LC | $49 k |
| BRISCOE -A- | HUBER ENERGY L.P. | $35 k |
| GATES RANCH "K-H" | U. S. OPERATING, INC. | $32 k |
| GATES RANCH "B" | KERNS O & G, INC. | $27 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $26 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $24 k |
| GATES RANCH "K" | LEWIS PETRO PROPERTIES, INC. | $23 k |
| GATES RANCH "A" | LEWIS PETRO PROPERTIES, INC. | $21 k |
| GATES RANCH -A- | LEWIS PETRO PROPERTIES, INC. | $20 k |
| GATES RANCH | KERNS O & G, INC. | $5 k |
| BRISCOE -A- | PACIFIC OPERATORS, INC. | $2 k |
| PETTY -A- | KERNS O & G, INC. | $139 |
| PETTY, O. S. | KERNS O & G, INC. | $52 |
| PETTY, O. S. | KERNS O & G, INC. | — |