| LEVELLAND UNIT8A/3780 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $4.21 bn |
| SLAUGHTER ESTATE UNIT8A/18105 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $2.67 bn |
| SUNDOWN SLAUGHTER UNIT8A/67166 | BCE-MACH III LLC | Oil lease | $2.62 bn |
| CENTRAL MALLET UNIT8A/18244 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $1.94 bn |
| MALLET UNIT8A/18149 | HILCORP ENERGY COMPANY | Oil lease | $1.35 bn |
| SLAUGHTER CONSOLIDATED8A/68016 | HILCORP ENERGY COMPANY | Oil lease | $1.22 bn |
| SOUTHEAST LEVELLAND UNIT8A/18515 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $1.13 bn |
| WEST RKM UNIT8A/19691 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $1.09 bn |
| NORTH CENTRAL LEVELLAND UNIT8A/60557 | HILCORP ENERGY COMPANY | Oil lease | $1.06 bn |
| FRAZIER, W. G.8A/6042 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $774.0 M |
| EAST MALLET UNIT8A/15298 | HILCORP ENERGY COMPANY | Oil lease | $736.2 M |
| NORTHWEST MALLET UNIT8A/18246 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $659.2 M |
| WEST LEVELLAND UNIT8A/60190 | HILCORP ENERGY COMPANY | Oil lease | $618.0 M |
| CENTRAL LEVELLAND UNIT8A/60298 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $546.8 M |
| MONTGOMERY ESTATE-DAVIES NCT-28A/14567 | BCE-MACH III LLC | Oil lease | $520.5 M |
| WEST SUNDOWN UNIT8A/70442 | OXY USA EOR, LLC | Oil lease | $459.7 M |
| COONS, W. A.8A/5955 | HILCORP ENERGY COMPANY | Oil lease | $375.5 M |
| MALLET8A/5913 | OXY USA WTP EOR, LLC | Oil lease | $373.6 M |
| SUNDOWN UNIT8A/60282 | HILCORP ENERGY COMPANY | Oil lease | $294.6 M |
| ELLWOOD "A"8A/6169 | HILCORP ENERGY COMPANY | Oil lease | $282.7 M |
| DELOACHE, IRA P.8A/3837 | BCE-MACH III LLC | Oil lease | $274.9 M |
| LINKER (LOWER CLEARFORK) UNIT8A/70429 | BASIN OIL & GAS OPERATING, LLC | Oil lease | $233.8 M |
| MAY-MONTGOMERY UNIT8A/18451 | HILCORP ENERGY COMPANY | Oil lease | $220.9 M |
| MEDARBY UNIT8A/60294 | BCE-MACH III LLC | Oil lease | $178.2 M |
| TEXACO SLAUGHTER ESTATE8A/67566 | BCE-MACH III LLC | Oil lease | $169.3 M |
| SLAUGHTER, ALEX8A/6003 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $160.9 M |
| SMYER, EAST /CLEARFORK/ UNIT8A/60284 | MOMENTUM OPERATING CO., INC. | Oil lease | $154.7 M |
| NORTH LEVELLAND UNIT8A/67224 | BCE-MACH III LLC | Oil lease | $151.9 M |
| EAST RKM UNIT8A/60410 | OCCIDENTAL PERMIAN EOR, LLC | Oil lease | $150.2 M |
| WILSON, MAPLE8A/5996 | HILCORP ENERGY COMPANY | Oil lease | $144.7 M |
| NORTHEAST LEVELLAND UNIT8A/61137 | HILCORP ENERGY COMPANY | Oil lease | $140.7 M |
| SLAUGHTER, A. A. ESTATE8A/61632 | BURK ROYALTY CO., LTD. | Oil lease | $138.1 M |
| SLAUGHTER, S. A. "B"8A/6014 | OXY USA INC. | Oil lease | $133.6 M |
| YELLOWHOUSE UNIT8A/60242 | HILCORP ENERGY COMPANY | Oil lease | $125.6 M |
| SLAUGHTER UNIT "2"8A/60048 | OXY USA INC. | Oil lease | $122.6 M |
| SLAUGHTER, BOB8A/67513 | BCE-MACH III LLC | Oil lease | $122.4 M |
| POST MONTGOMERY LO.CLFK.WF UNIT8A/69754 | CHI OPERATING, INC. | Oil lease | $115.2 M |
| HAMILL UNIT8A/66151 | EL RAN, INC. | Oil lease | $114.4 M |
| COBLE, W. T. "A" NCT-18A/3828 | BCE-MACH III LLC | Oil lease | $110.2 M |
| GORDON, M. G.8A/60033 | WHITE ROCK OIL & GAS, LLC | Oil lease | $97.5 M |
| SOUTHEAST WHITEFACE UNIT8A/66920 | RAW OIL & GAS, INC. | Oil lease | $92.9 M |
| LEVELLAND "C"8A/60219 | CROSS TIMBERS ENERGY, LLC | Oil lease | $90.8 M |
| ROPES, E. (CLEARFORK) UNIT8A/60662 | NEW HEIGHT ENERGY, LLC | Oil lease | $81.9 M |
| COE, A. E.8A/6008 | OXY USA INC. | Oil lease | $79.7 M |
| SLAUGHTER, R. L. JR. "C"8A/6012 | OXY USA INC. | Oil lease | $74.7 M |
| SLAUGHTER CONSOLIDATED8A/68017 | OCCIDENTAL PERMIAN LTD. | Oil lease | $67.9 M |
| YOUNG-PACE "A"8A/67533 | BURK ROYALTY CO., LTD. | Oil lease | $66.9 M |
| FRAZIER, W. G.8A/61761 | HILCORP ENERGY COMPANY | Oil lease | $65.9 M |
| SMYER NE UNIT8A/65777 | TEXLAND PETROLEUM, L.P. | Oil lease | $64.9 M |
| BOSWORTH FARM8A/67654 | R3 OPERATING CORPORATION | Oil lease | $59.9 M |
| SLAUGHTER, R. L. JR. TR. 478A/6005 | OXY USA INC. | Oil lease | $54.7 M |
| DOYLE8A/12622 | BURK ROYALTY CO., LTD. | Oil lease | $53.0 M |
| CMC8A/71338 | BERYL OIL AND GAS, LP | Oil lease | $52.6 M |
| WRIGHT UNIT8A/19452 | EXTEX OPERATING COMPANY | Oil lease | $48.9 M |
| AIRFIELD8A/68702 | GREAT WESTERN DRILLING COMPANY | Oil lease | $48.7 M |
| BARRY UNIT8A/19519 | OXY USA INC. | Oil lease | $48.4 M |
| MALLET RANCH8A/63973 | D C OIL COMPANY, INC. | Oil lease | $48.1 M |
| BARRY, M. R.8A/6027 | OCCIDENTAL PERMIAN LTD. | Oil lease | $47.7 M |
| TYNER UNIT8A/18974 | OXY USA WTP EOR, LLC | Oil lease | $47.6 M |
| COBLE "A"8A/3565 | AVIATOR ENERGY, LLC | Oil lease | $44.3 M |
| COBLE, W. T. "B" NCT-18A/3830 | BCE-MACH III LLC | Oil lease | $43.1 M |
| HEWITT, ELLA8A/60742 | TEXLAND PETROLEUM, L.P. | Oil lease | $42.9 M |
| CITIZENS NATIONAL BANK8A/6138 | OXY USA INC. | Oil lease | $42.4 M |
| ROPES CANYON REEF UNIT8A/13852 | SADDLE RIM ENERGY (TEXAS), LLC | Oil lease | $39.1 M |
| ROBERTS-COBLE "B"8A/3568 | HILCORP ENERGY COMPANY | Oil lease | $38.7 M |
| TOWN LOT UNIT8A/19883 | OXY USA INC. | Oil lease | $38.2 M |
| SPADE B8A/69903 | CANAN MOWREY OPERATING, LLC | Oil lease | $37.6 M |
| D-L-S (SAN ANDRES) UNIT8A/61303 | BURK ROYALTY CO., LTD. | Oil lease | $36.1 M |
| LEVELLAND8A/61614 | CROSS TIMBERS ENERGY, LLC | Oil lease | $35.9 M |
| SLAUGHTER, R. L. JR. TR. 338A/16501 | OXY USA INC. | Oil lease | $35.4 M |
| GIVAN, FRANK E.8A/6043 | HILCORP ENERGY COMPANY | Oil lease | $35.0 M |
| SOUTH MALLET UNIT8A/67225 | WINN OPERATING, LLC | Oil lease | $34.8 M |
| C&H "13"8A/68765 | GREAT WESTERN DRILLING COMPANY | Oil lease | $34.4 M |
| COONS, W. A.8A/61878 | HILCORP ENERGY COMPANY | Oil lease | $33.9 M |
| HEFNER, R. A.8A/5909 | OXY USA INC. | Oil lease | $33.8 M |
| SUN-DENTON8A/6015 | OXY USA INC. | Oil lease | $33.7 M |
| MALLET LAND & CATTLE COMPANY8A/5938 | CROSS TIMBERS ENERGY, LLC | Oil lease | $33.6 M |
| MALLET L&C CO.8A/68851 | CROSS TIMBERS ENERGY, LLC | Oil lease | $32.6 M |
| VERNON8A/68811 | ROGERS, S. K. OIL, INC. | Oil lease | $32.2 M |
| GORDON, M. G.8A/63007 | WHITE ROCK OIL & GAS, LLC | Oil lease | $32.0 M |
| DAVIS, M. H.8A/6034 | OCCIDENTAL PERMIAN LTD. | Oil lease | $31.8 M |
| HOLLAND8A/68993 | BASIN OIL & GAS OPERATING, LLC | Oil lease | $30.6 M |
| SLAUGHTER UNIT "1"8A/19882 | OXY USA INC. | Oil lease | $30.3 M |
| RATLIFF "18"8A/68862 | GREAT WESTERN DRILLING COMPANY | Oil lease | $30.2 M |
| C&H8A/68764 | GREAT WESTERN DRILLING COMPANY | Oil lease | $29.2 M |
| MEARS8A/68995 | ROGERS, S. K. OIL, INC. | Oil lease | $28.4 M |
| GANN, L. D.8A/3796 | AVIATOR ENERGY, LLC | Oil lease | $28.0 M |
| LINKER, VINNIE C.8A/15869 | BURK ROYALTY CO., LTD. | Oil lease | $26.0 M |
| STANLEY, W8A/63550 | ROGERS, S. K. OIL, INC. | Oil lease | $25.3 M |
| HOLLAND8A/67093 | BURK ROYALTY CO., LTD. | Oil lease | $24.8 M |
| DAVIES8A/63821 | SOCORRO EXPLORATION, INC. | Oil lease | $24.4 M |
| GLENN, O. J.8A/3876 | AVIATOR ENERGY, LLC | Oil lease | $24.4 M |
| ROBERTS8A/63263 | THREE SPAN OIL & GAS, INC. | Oil lease | $24.1 M |
| JENNINGS, JOE8A/3632 | BASIN OIL & GAS OPERATING, LLC | Oil lease | $23.4 M |
| HUDGENS, L. F.8A/6144 | CROSS TIMBERS ENERGY, LLC | Oil lease | $22.4 M |
| COBLE "B"8A/60439 | EXTEX OPERATING COMPANY | Oil lease | $22.3 M |
| KUNZ, F.8A/60870 | TEXLAND PETROLEUM, L.P. | Oil lease | $21.8 M |
| MAGEE, ELSIE B.8A/63641 | ROGERS, S. K. OIL, INC. | Oil lease | $21.7 M |
| FIELDING, C. D.8A/63038 | ROGERS, S. K. OIL, INC. | Oil lease | $21.6 M |
| COBB, TOM "A"8A/64143 | HILCORP ENERGY COMPANY | Oil lease | $21.6 M |