| WLP02/8579 | T-C OIL COMPANY, LLC | Oil lease | $1.11 bn |
| WILLIAMS, MAUDE, ETAL -A-02/2533 | HILCORP ENERGY COMPANY | Oil lease | $1.11 bn |
| TOM OCONNOR (5800 SD) FLD. UNIT02/5280 | HILCORP ENERGY COMPANY | Oil lease | $992.4 M |
| T-C OIL CO.- O'CONNOR02/2554 | T-C OIL COMPANY, LLC | Oil lease | $431.5 M |
| OCONNOR, DENNIS, ETAL -L-02/2845 | T-C OIL COMPANY, LLC | Oil lease | $382.6 M |
| RIVER RANCH -A-/WILLIAMS STATE U02/9301 | T-C OIL COMPANY, LLC | Oil lease | $149.2 M |
| OCONNOR -D-02/2834 | T-C OIL COMPANY, LLC | Oil lease | $113.7 M |
| HEARD, FANNIE V. W., MRS.02/2586 | HILCORP ENERGY COMPANY | Oil lease | $106.1 M |
| OCONNOR, THOMAS, -C-02/2587 | HILCORP ENERGY COMPANY | Oil lease | $102.4 M |
| HEARD, FANNIE V. W., MRS.02/2546 | HILCORP ENERGY COMPANY | Oil lease | $99.0 M |
| LAMBERT, M. F.02/2115 | HILCORP ENERGY COMPANY | Oil lease | $92.7 M |
| TOM O'CONNOR(5600 FOOT SAND)UNIT02/8950 | HILCORP ENERGY COMPANY | Oil lease | $78.6 M |
| O'CONNOR -H-02/9321 | T-C OIL COMPANY, LLC | Oil lease | $74.6 M |
| O'CONNOR, THOMAS -C-02/2876 | HILCORP ENERGY COMPANY | Oil lease | $64.5 M |
| TOM O'CONNOR (5730 FT. SD.) UNIT02/8569 | HILCORP ENERGY COMPANY | Oil lease | $63.9 M |
| HEARD, FANNIE, V. W., MRS.02/2874 | HILCORP ENERGY COMPANY | Oil lease | $59.9 M |
| RIVER RANCH -B- STATE UNIT02/9357 | T-C OIL COMPANY, LLC | Oil lease | $58.8 M |
| HEARD, CLEMENT02/2585 | HILCORP ENERGY COMPANY | Oil lease | $54.9 M |
| HEARD, CLAUDE E. ET AL02/1798 | HILCORP ENERGY COMPANY | Oil lease | $46.8 M |
| O'CONNOR02/8367 | T-C OIL COMPANY, LLC | Oil lease | $44.9 M |
| HEARD, J. F. B.02/3978 | DORCHESTER OPERATING COMPANY LLC | Oil lease | $41.3 M |
| REILLY, ANNIE, ET VIR02/2588 | HILCORP ENERGY COMPANY | Oil lease | $41.3 M |
| CLAY PASTURE -B- STATE UNIT02/9381 | T-C OIL COMPANY, LLC | Oil lease | $40.7 M |
| HEARD, CLEMENT02/2873 | HILCORP ENERGY COMPANY | Oil lease | $40.6 M |
| TOM O'CONNOR (4150 FT. SD.) UNIT02/8874 | HILCORP ENERGY COMPANY | Oil lease | $38.6 M |
| OCONNOR, THOMAS -A-02/1542 | HILCORP ENERGY COMPANY | Oil lease | $36.8 M |
| LAMBERT, M. F.02/2880 | HILCORP ENERGY COMPANY | Oil lease | $34.3 M |
| MELLON OIL UNIT02/2192 | T-C OIL COMPANY, LLC | Oil lease | $33.7 M |
| LAMBERT, M.F.02/9384 | HILCORP ENERGY COMPANY | Oil lease | $32.5 M |
| OCONNOR, THOMAS, -C-02/2566 | HILCORP ENERGY COMPANY | Oil lease | $31.5 M |
| HEARD, FANNIE V. W.02/3977 | DORCHESTER OPERATING COMPANY LLC | Oil lease | $31.5 M |
| LAMBERT, M. F.02/2003 | HILCORP ENERGY COMPANY | Oil lease | $28.3 M |
| LAMBERT, M. F.02/2590 | HILCORP ENERGY COMPANY | Oil lease | $26.8 M |
| O'CONNOR02/11800 | T-C OIL COMPANY, LLC | Oil lease | $25.1 M |
| WILLOW CREEK -B-02/9482 | T-C OIL COMPANY, LLC | Oil lease | $23.2 M |
| HEARD, FANNIE V.W. MRS.02/7813 | HILCORP ENERGY COMPANY | Oil lease | $22.6 M |
| O'CONNOR, THOMAS "A"02/7579 | HILCORP ENERGY COMPANY | Oil lease | $22.6 M |
| O'CONNOR, THOMAS -C-02/9135 | HILCORP ENERGY COMPANY | Oil lease | $21.0 M |
| LAMBERT, M.F.02/8906 | HILCORP ENERGY COMPANY | Oil lease | $20.8 M |
| O'BRIEN, J. M.02/3981 | DORCHESTER OPERATING COMPANY LLC | Oil lease | $20.8 M |
| WILLIAMS, MAUDE ET AL "A"02/8842 | HILCORP ENERGY COMPANY | Oil lease | $20.5 M |
| WILLIAMS, MAUDE, ETAL -A-02/820 | HILCORP ENERGY COMPANY | Oil lease | $20.2 M |
| HEARD, J. F. B.- TEX02/3996 | GRETA OPERATING COMPANY LLC | Oil lease | $19.9 M |
| LAKE PASTURE /FT-569/ FIELD UNIT02/4763 | HILCORP ENERGY COMPANY | Oil lease | $19.7 M |
| LAMBERT, M. F.02/3976 | HILCORP ENERGY COMPANY | Oil lease | $19.6 M |
| HEARD, CLEMENT02/2523 | HILCORP ENERGY COMPANY | Oil lease | $19.1 M |
| ROCHE, K. D. -A-02/3469 | KOVAR OPERATING, LLC | Oil lease | $18.9 M |
| HEARD, F. V. W.02/8810 | DORCHESTER OPERATING COMPANY LLC | Oil lease | $18.9 M |
| O'CONNOR, THOMAS "A"02/3662 | HILCORP ENERGY COMPANY | Oil lease | $18.5 M |
| REILLY, ANNIE, ET VIR02/2877 | HILCORP ENERGY COMPANY | Oil lease | $18.5 M |
| LAMBERT, M. F.02/1549 | HILCORP ENERGY COMPANY | Oil lease | $18.5 M |
| SCANIO, MIGUELITA02/233636 | DIGITAL OPERATING COMPANY LLC | Gas well | $17.8 M |
| WILLIAMS, MAUDE, ET AL -A-02/2878 | HILCORP ENERGY COMPANY | Oil lease | $17.6 M |
| ROCHE02/8604 | FINALY RESOURCES LLC | Oil lease | $17.3 M |
| OCONNOR, DENNIS, ET AL -N-02/3598 | T-C OIL COMPANY, LLC | Oil lease | $16.9 M |
| BP02/172090 | T - C OIL COMPANY | Gas well | $16.8 M |
| O'CONNOR02/7505 | T-C OIL COMPANY, LLC | Oil lease | $16.1 M |
| BP02/8324 | GILSTER, RALPH R. III | Oil lease | $15.8 M |
| BOENIG, H. A. & W. A.02/4640 | BAY ROCK OPERATING COMPANY | Oil lease | $15.7 M |
| CLAY PASTURE -B- STATE UNIT02/9332 | T-C OIL COMPANY, LLC | Oil lease | $15.3 M |
| T-C OIL CO.-O'CONNER02/189304 | T-C OIL COMPANY, LLC | Gas well | $15.3 M |
| WELDER HEIRS02/170630 | C & E OPERATING, INC. | Gas well | $15.1 M |
| T-C OIL CO.-O'CONNOR02/188646 | T - C OIL COMPANY | Gas well | $15.0 M |
| WILLIAMS, MAUDE ETAL -A-02/293334 | HILCORP ENERGY COMPANY | Gas well | $15.0 M |
| HEARD, F. V. W.02/3994 | GRETA OPERATING COMPANY LLC | Oil lease | $14.8 M |
| O'CONNOR, M. E.02/5130 | T-C OIL COMPANY, LLC | Oil lease | $14.8 M |
| DUKE RANCH -J-02/216543 | T-C OIL COMPANY, LLC | Gas well | $14.8 M |
| HEARD, MRS. FANNIE V. W.02/180992 | HILCORP ENERGY COMPANY | Gas well | $14.4 M |
| SCHIRMER, HENRY02/8186 | BENT WING ENERGY, LLC | Oil lease | $14.4 M |
| MAUDE WILLIAMS ET AL 'A'02/11339 | HILCORP ENERGY COMPANY | Oil lease | $14.1 M |
| DUKE RANCH -F-02/212605 | T-C OIL COMPANY, LLC | Gas well | $14.1 M |
| O'CONNOR, DENNIS ET AL -N-02/8738 | T-C OIL COMPANY, LLC | Oil lease | $14.0 M |
| WILLIAMS, MAUDE ET AL "A"02/161854 | HILCORP ENERGY COMPANY | Gas well | $13.8 M |
| BRAMAN -D-02/11520 | T-C OIL COMPANY, LLC | Oil lease | $13.6 M |
| SCHIRMER "C-120"02/8216 | BENT WING ENERGY, LLC | Oil lease | $13.6 M |
| WILLIAMS, MAUDE, ET AL -A-02/2906 | HILCORP ENERGY COMPANY | Oil lease | $13.5 M |
| WILLIAMS, MAUDE ET AL "A"02/129359 | HILCORP ENERGY COMPANY | Gas well | $13.5 M |
| MIGUELITA SCANIO02/9317 | DIGITAL OPERATING COMPANY LLC | Oil lease | $13.4 M |
| T-C OIL CO.-O'CONNOR02/207804 | T - C OIL COMPANY | Gas well | $13.3 M |
| ROOKE. B.D.02/8019 | RISING STAR ENERGY PARTNERS II, | Oil lease | $12.9 M |
| WILLIAMS, MAUDE, ETAL -A-02/293391 | HILCORP ENERGY COMPANY | Gas well | $12.6 M |
| SWYKA02/171538 | C & E OPERATING, INC. | Gas well | $12.4 M |
| SWYKA02/170636 | C & E OPERATING, INC. | Gas well | $12.2 M |
| BAUER, MARY CLAIRE, ET VIR02/2583 | HILCORP ENERGY COMPANY | Oil lease | $12.0 M |
| WILLIAMS, MAUDE, ETAL, -A-02/2589 | HILCORP ENERGY COMPANY | Oil lease | $11.9 M |
| O'CONNOR, DENNIS ET AL -L-02/189970 | T - C OIL COMPANY | Gas well | $11.7 M |
| WILLIAMS, MAUDE ET AL "A"02/161853 | HILCORP ENERGY COMPANY | Gas well | $11.7 M |
| SCHIRMER, HENRY02/8871 | BENT WING ENERGY, LLC | Oil lease | $11.5 M |
| SWYKA02/171442 | C & E OPERATING, INC. | Gas well | $11.5 M |
| DENNIS O'CONNOR ET AL -L-02/188890 | T - C OIL COMPANY | Gas well | $11.5 M |
| T-C OIL CO.-O'CONNOR02/207636 | T - C OIL COMPANY | Gas well | $11.5 M |
| BAUER, MARY CLAIRE ET VIR02/8808 | HILCORP ENERGY COMPANY | Oil lease | $11.4 M |
| T-C OIL CO.-O'CONNOR02/200839 | T - C OIL COMPANY | Gas well | $11.2 M |
| MIGUELITA SCANIO02/8991 | DIGITAL OPERATING COMPANY LLC | Oil lease | $11.2 M |
| WELDER 'C'02/234179 | HILCORP ENERGY COMPANY | Gas well | $11.0 M |
| O'CONNOR, M. V. ESTATE02/158297 | KEBO OIL & GAS, INC. | Gas well | $10.7 M |
| O'CONNOR, T-C OIL CO.02/206761 | T-C OIL COMPANY, LLC | Gas well | $10.7 M |
| LAMBERT GAS UNIT02/234183 | HILCORP ENERGY COMPANY | Gas well | $10.7 M |
| LAMBERT, M. F.02/9033 | HILCORP ENERGY COMPANY | Oil lease | $10.5 M |
| WILLIAMS, MAUDE, ETAL -A-02/2527 | HILCORP ENERGY COMPANY | Oil lease | $10.4 M |