PRODUCTION DATA FOR LEASES AND OPERATORS IN ZAPATA COUNTY TEXAS

Operator Production Data   Leases Production Data    PRODUCTION TOTALS - OIL : 970,639 GAS : 5,878,688,660    Click for More Info

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05
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Year 2012 1,830 - 13,324,758 2,351 - 13,878,756 1,977 - 14,730,476 3,150 - 12,094,856 2,829 - 12,461,959 2,430 - 12,621,511 2,849 - 12,885,345 3,205 - 12,339,719 3,369 - 11,746,229 3,617 - 11,013,998 3,633 - 11,333,424 3,526 - 11,905,148
2011 2,213 - 15,075,782 2,908 - 16,772,521 2,269 - 17,261,832 2,498 - 15,350,260 1,454 - 15,842,920 2,763 - 16,284,471 2,582 - 16,115,729 1,402 - 15,488,770 1,756 - 14,734,100 2,546 - 14,596,935 2,892 - 14,338,310 2,325 - 14,804,366


LEASE NAME OIL VOL in BBL GAS VOL in MCF
JENNINGS, J. D. 392,105 4,173,277
GUERRA, RAUL 143,845 49,450,547
RAMIREZ, BLAS 67,906 2,212,284
JENNINGS, J.D. 64,488 13,137
GARCIA, ANASTASIO 55,658 0
THOMASMA, RAY J. 53,542 12,232,286
ESCOBAS -B-E- UNIT 29,767 0
DE LOPEZ, JOSETA M. 27,422 0
HINOJOSA, G. G. 16,160 26,404,963
RAMIREZ, JULIAN R., EST. -A- 14,591 0
CUELLAR, F. 13,985 1,693,755
TREVINO -A- UNIT 12,408 0
TREVINO, E. 11,433 273
RAMIREZ, JOSEFA, ETAL 10,115 0
TREVINO, MANUEL -A,B,C- 8,418 0
RAMIREZ, JULIAN R., EST. 8,115 0
CUELLAR, FERNANDO 6,528 0
CHARGOS CREEK A 6,020 0
TREVINO, E. MRS. -B- 5,371 0
CUELLAR,F. A LEASE 5,142 0
TREVINO -A- 4,691 0
BRUNI MIN. TRUST 4,491 0
SLATOR RANCH 4,250 73,754,767
TREVINO, E 3,415 0
GARCIA, AMADA C. DE 421 0
CUELLAR, E. 352 0
LOPEZ, ALONZO 0 466,271
BMT MARTIN A 0 2,770,046
RATHMELL, J. G. 0 46,053,214
GARZA, ANTONIO 0 0
MARSHALL, M.L.E.I; S.G. 0 911,768
BRUNI MINERAL TRUST A-C 0 24,809
SALINAS, G. G. 0 3,646,747
GONZALES, P. GAS UNIT 0 1,006,735
MARTINEZ, ANTONIO ET AL UNIT A 0 0
TREVINO, J. B. 0 3,064,510
COATES, GEORGE H. 0 4,443,332
SERAFIN 0 2,865,988
GUTIERREZ 0 11,312,546
MARTINEZ, S. 0 915,480
VASQUEZ ROMERO J 0 1,000,084
CUELLAR, JUAN 0 1,051,407
SNAVELY GAS UNIT 5 0 637,968
GUTIERREZ, J.M. C 0 71,193
MCMURREY, WILLIAM 0 683,256
VELA, CARMEN C 0 1,871,549
DERLY 0 3,795,159
THOMASMA, RAY J. C 0 801,299
HAYNES, L. 0 174,155,368
I. C. URIBE GU 0 461,102
MOLLETES CREEK GAS UNIT 0 192,722
VELA-CUELLAR 0 1,797,575
DYE STATE G.U. 0 7,346,137
HONDA 0 138,165
JOSE, DON GAS UNIT 0 162,039
3J ZAPATA RANCHES 0 243,219
PALMYRA B 0 29,021,848
VIELMANN-RAMIREZ 0 576,405
ESTHER RAMIREZ WILLIAMS GAS UNIT 0 1,425,342
LA PERLA B2 0 11,276,832
ALONZO LOPEZ 0 0
RAMIREZ, A 0 1,134,361
WHITTIER GAS UNIT 4 0 0
FLORES-CALICHE RANCH 0 3,333,024
LAUREL, OSCAR M. 0 708,086
BENAVIDES STATE GU A 0 239,101
RAMIREZ, R. 0 607,036
ZACHRY, E.B. 0 1,805,175
GARCIA, FINITA 0 72,259
BENAVIDES-VERGARA UNIT 0 3,003,327
RANCHITO TANK GAS UNIT 0 1,287,019
GARZA D GU 1 0 5,502,631
MANN, E & E TRUST 0 693,854
BRIONES, J.E. 0 278
RUBEN FLORES MINERALS LTD GU 0 747,351
GARZA, M.G. G.U. 0 1,495,851
MARTINEZ, A. GAS UNIT 0 3,779,565
TREVINO -B- 0 0
CARMEN VELA C 0 97,147
SANCHEZ-MCMURRAY 0 704,472
GUERRA, AVELINA 0 13,384,244
MARTINEZ, MERCUIRO 0 465,553
URIBE, S 0 5,178,023
SLATOR RANCH AC 0 0
GUTIERREZ, HIGINIO JR 0 323,152
MCCAMPBELL, E.A. 0 1,431,912
VELA CUELLA,J.GAS UNIT 0 0
DE MARTINEZ, M. 0 5,526,876
TALBERT A 0 344,756
HAYNES A 0 16,855,575
MENDOZA, H. 0 0
VELA, SERAPIO B 0 1,068,238
DOMINION PALMYRA 0 949,744
HINNANT A 0 0
JENNINGS RANCH AA 0 33,815,375
O. M. LAUREL ESTATE 0 0
VESTER 0 6,583,408
ELIZONDO 0 13,603,295
L. GARZA ESTATE 0 1,158,028
ALEXANDER, M. 0 575,337
R.M.T. 0 1,605,467
VOLPE 0 9,075,279
FLORES, E. 0 3,717
LAUREL GAS UNIT NO. 2 0 1,189,412
BALTAZAR RAMOS 0 477,542
RAMIREZ, LTD 0 0
YZAGUIRRE, DANILE #1 0 0
GALO 0 9,283,366
LOPENO 0 0
LUNDELL B 0 811,245
BOWERS TRUST 0 943,724
RMT A 0 878,169
GARZA, L. B 1-T 0 204,812
MARTIN, J.C. 0 4,020,483
BUSTAMANTE G.U.,BERNARDO 0 925,138
SANCHEZ - MCMURREY 0 0
GONZALEZ-GIL A GU 0 3,562,130
MARTINEZ, FELIPE ET AL 0 11,613,320
URIBE 0 6,433,939
CUELLAR GAS UNIT 0 190,067
SINGER A 0 806,337
GUTIERREZ J. R. 0 107,927
MARTINEZ-VELA G.U. 0 1,825,974
VASQUEZ-PENA-HAYNES 0 4,759,886
DE BARBERIO 0 3,674,895
STATE TRACT M-99142 0 917,855
GUTIERREZ, O. 0 1,303,344
MECON, J. W. 0 1,745,583
VELA, HUMBERTO 0 0
DODIER, J.O. 0 589,700
HEIN, LUZ A. ESTATE 0 1,681,504
J.O.D. 0 10,244,595
MUNOZ 0 20,015,771
VELA-SMITH GAS UNIT 0 1,626,716
EL EBANITO 0 1,107,651
KILLAM MINERAL FEE 16 0 0
ACELA 0 1,067,794
PEREZ, F.R. 0 4,321,611
VILLARREAL, B. GU 0 39,648
FERNANDEZ 0 735,782
LAS AVISPAS RANCH 39 0 1,851,924
ANTONIO MARTINEZ ET AL A UNIT 0 1,328,181
RAMIREZ, J.S. 0 0
WORLEY, R. J. 0 202,662
FULBRIGHT, J.E. G 0 8,507,487
LEO GAS UNIT 0 493,810
BENAVIDES, BELIA R. B 0 14,546,838
RAMON B 0 819,859
GARCIA, SALVADOR A 0 2,878,844
LOPEZ, A. 0 0
BMT K&H 0 12,051,865
RATHMELL LAND AND CATTLE CO. 0 1,271,345
GARZA, ANASTACIO ESTATE 0 0
MARSHALL, M.L.E.I.; S.G. 0 1,448,021
BRUNI MINERAL TRUST A-B 0 3,439,748
SALINAS G.U. 0 6,280,141
GONZALES, HUMBERTO, HEIRS 0 0
MARTINEZ, ANTONIO ET AL UNIT 0 667,577
TREVINO, ET AL UNIT 0 179,379
CHIHUAHUA DISPOSAL SYSTEM 0 0
SCHROEDER, ALDA ET AL 0 1,491,234
GUEVARA A (LAROCA) 0 1,265,785
MARTINEZ, S B 0 261,407
VASQUEZ DE PENA 0 920,974
CUELLAR, J.V. 0 4,803,684
SNAVELY GAS UNIT 4 0 71,948
GUTIERREZ, J.M. B 0 2,092,659
MCMURREY, W.M. 0 940,949
VELA, BOBBY 0 1,480,018
DEMARTINEZ, M. 0 198,698
HAYNES NORTH 0 1,601,262
HUMBERTO 0 0
MOLLETES CREEK A GU 0 819,226
VELA-ALEXANDER GAS UNIT 0 4,400,357
DONNELL MINERALS 0 155,214
HINOJOSA, G.G. 0 1,771
JOSE CLEMENTE GUTIERREZ A 0 75
3J ZAPATA MEZA GAS UNIT 0 7,252,940
PALMYRA A 0 635,681
VIELMANN 0 2,558,749
ESTATE OF L. GARZA ET AL 0 0
LA PERLA B1 0 7,062,273
ALONZO 0 39,651
RAMIREZ SWD 0 0
WHITTIER 0 10,137,989
FLORES, RUBEN MINERALS 0 0
LAUREL, O.M. ESTATE 0 0
BENAVIDES STATE GU A 0 751,421
RAMIREZ, OSCAR 0 35,848
ZACHRY, E.B 0 29,083
GARCIA, ELMA R. ET AL 0 517,709
RANCHITO B GAS UNIT 0 5,041,802
GARZA D GAS UNIT 0 3,569,879
MANN TRUST ET AL 0 151,705
BRIONES, J. E. B 0 435,532
RUBEN FLORES MINERALS LTD B 0 0
GARZA, LUISA B. 0 2,077,011
MARTINEZ, A. 0 0
CARILLO-PENA UNIT NO. 1 0 0
SANCHEZ-MARTIN GAS UNIT 2 0 360,878
GUERRA L 0 13,839,916
MARTINEZ, M. DE 0 2,191,853
URIBE, ROGELIO A 0 608,056
CUELLAR, F 0 4,736
SLATOR RANCH D 0 4,775,258
GUTIERREZ, HIGINIO 0 179,131
MCCAMPBELL, E. A. 0 231,091
VELA B 0 1,295,821
DE MARTINEZ - URIBE GAS UNIT 0 309,584
SWANTNER,G.R. 0 556,116
HAYNES 0 85,057,323
MENDOZA, E.G. GAS UNIT 0 2,224,905
VELA, ROBERTO 640 ACRE GAS UNIT 0 165,612
DOMINGUEZ, ET AL 0 44,498
HINNANT 613 0 691,338
JENNINGS RANCH A 0 22,910,624
NOBLE - ESTATE OF ISRAEL GARCIA 0 0
VERGARA, J. B. 0 321,267
EL REFUGIO AD 0 1,232,421
L. GARZA B 2 0 1,895,615
ALEXANDER, CHARLES 0 8,106,183
R. M. T. 38 0 0
VIOLETA RANCH 0 10,256,563
FLORES, CARMEN 0 53,500
LAUREL GAS UNIT 0 806,118
B. M. T. - FNB 0 1,112,861
RAMIREZ, L.O. A 0 1,425,992
YZAGUIRRE, D. HEIRS 0 3,168,035
GABRIEL FLORES 0 645,830
LONGLORIA, M. T. 0 0
BENAVIDES-STATE GU 0 5,401,146
LOZANO 0 579,719
BOOHER ET AL 0 1,871,648
RMT 0 25,764,913
GARZA, L. B 1-C 0 4,640
MARTIN, J. C. ET AL 0 8,617,041
BUSTAMANTE G. U. 0 3,278,643
SAN MARTIN 0 1,168,451
GONZALEZ, RUBEN 0 4,971,307
MARTINEZ, EUDOXIO UNIT 1 0 224,993
U.S.A. GAS UNIT NO. 1 0 2,465,984
CUELLAR G.U. 0 1,841,972
SINGER 0 3,414,679
GUTIERREZ HEIRS 37 0 9,955,090
MARTINEZ-URIBE 0 783,863
VASQUEZ, ROMERO J. 0 337,146
DASQUEZ, ROMEO J. 0 465,408
STATE ROBERTO VELA G.U. 0 2,825,402
GUTIERREZ, MOBIL H. 0 455,502
MECOM. J. W. 0 3,570,968
VELA, HERMINIA C. ET AL 0 0
DODIER, J. O. 0 2,613,679
HEIN, LUZ A. 0 140,653
J.M. CUELLAR NE 0 106,296
MOSSER, J. H. 0 13,358
VELA-SMITH G.U. 0 68,330
EL CLARENO 0 16,172,911
KILLAM MINERAL FEE 0 124
ABELINO 0 1,361,690
PEREZ, F. R. 0 1,081,370
VILLARREAL TRUST 0 0
FELIX RAMOS 0 120,119
LAS AVISPAS RANCH 0 1,315,744
ANTONIO MARTINEZ ET AL A GU 0 1,565,183
RAMIREZ, J. S. 0 454,402
WORLEY GAS UNIT 0 9,407,254
FULBRIGHT, J. E. UNIT G 0 7,230,420
LEO CUELLAR GAS UNIT 0 2,291,383
BENAVIDES, BELA R. B 0 1,408,979
RAMON A 0 1,774,034
ZAPATA TOWNSITE GU 5 0 4,253,037
GARCIA, SALVADOR G 0 4,051,489
LOPEZ MINERAL TRUST G.U. 0 1,162,653
BMT FNB 0 244,893
RASH, AMANDA 0 0
GARZA, AMERICA ET AL 0 445,484
MARSHALL S.G. 0 1,032,808
BRUNI MINERAL TRUST A-A 0 1,913,253
SALINAS G.G. 0 193,702
GONZALES, HORACIO 0 1,772,057
MARTINEZ, ANTONIO ET AL B 0 633,894
TREVINO, E., ET AL 0 0
CHEVRON H GUTIEREZ 0 1,810,945
SCHROEDER, ALDA 0 956,329
GUEVARA A (LA ROCA) 0 985,550
MARTINEZ, RAUL 0 4,819
VASQUEZ - URIBE A GAS UNIT 0 729,439
CUELLAR, J. VELA 0 2,008,983
SNAVELY GAS UNIT 3 0 1,774,861
GUTIERREZ, J.M. 0 2,422,002
MCMURRAY, WM. 0 0
VELA, ANTONIO 0 4,252,318
DELOZEIS FAMILY TRUST 0 280,566
THOMASMA 0 3,353,390
HAYNES ESTATE 0 686,967
HORACIO-GONZALEZ 0 1,186,151
MOLLETES CREEK A G.U. 0 119,052
VELA, SERAPIO HEIRS GU C LSE 0 633,100
DONATO SERNA GU 0 0
JOHNSON, MARY M. TRUST 0 5,994
3-D RANCHES 0 9,238,099
PALMYRA 0 71,449,536
VIEJA, LOMA 0 1,662,436
ESPERANZA 0 13,896,205
LA PERLA B 0 7,881,708
ALFONSO 0 48,452,942
RAMIREZ MINERAL TRUST A 0 659,406
WHITE, J.H. 0 5,992,272
FLORES, RUBEN MINERAL 0 922,474
LAUREL, O. M. ESTATE 0 24,255,178
BENAVIDES STATE GU 0 933,468
RAMIREZ, N. G. 0 0
ZACHRY, E. B. 0 17,078,522
GARCIA, CATARINO ET AL 0 972,213
RANCHITO A GAS UNIT 0 3,139,448
GARZA D G. U. 1 0 19,222
MANN 0 397,437
BRIONES, J. E. 0 1,026
ROY JENNINGS 0 510,132
GARZA, LAURO 0 12,811,306
MARTINEZ TRUST 0 207,171
CANTU, A. 0 0
SANCHEZ- MCMURRY 0 769,183
GUERRA L 0 10,922
MARTINEZ, M. B. 0 2,458,174
URIBE, P. 0 21,067
SLATOR RANCH C 0 665,081
GUTIERREZ, HECTOR MARIO 0 186,976
MCASKILL TR8 0 120,482
VELA - SMITH GAS UNIT 0 0
DE LOS SANTOS GAS UNIT 1 0 9,002,775
SWANTNER, G. R. A 0 653,190
HARALSON BEEFMASTERS, LTD. 0 970,476
MENDOZA, E.G. 0 0
VELA, ROBERTO 0 10,501,410
DOMINGUEZ, D. B. A 0 0
HINNANT 307 C 0 594,529
JENNINGS RANCH B 0 29,079
NEW ZAPATA EAST GAS UNIT 0 10,904,433
VERGARA, G.B. ET AL 0 7,384,561
EL REFUGIO 0 3,158,242
L. GARZA 0 4,068,458
ALEXANDER ET AL 0 975,047
R. M. T. 0 2,982,910
VILLERREAL 0 482,742
FLORES 0 3,231,997
LAUREL F. D. A 0 1,022,921
AVELINO GUERRA GAS UNIT NO.2 0 291,883
RAMIREZ, L.O. 0 561,845
YZAGUIRRE J. 0 489,623
G.S.A. 0 0
LOMA VIEJA 0 21,888,666
BENAVIDES, JUAN G. 0 673,133
LOS MESQUITES 0 6,866,083
BMT/K&H M 0 0
RFM LTD A GU 0 43,349
GARZA, L. 5 0 546,545
MARTIN, J. C. 0 13,703,917
BUNCH, ROY 0 189,105
SAN FERNANDO MINERALS LTD 0 0
GONZALEZ, JOSE ET AL 6 0 0
MARTINEZ, EUDOXIO GAS UNIT 0 6,302,860
U.S.A. GAS UNIT 2 0 4,190,464
CUELLAR -B- 0 0
SIETE VELAS 0 1,409,403
GUTIERREZ HEIRS 0 7,401,824
MARTINEZ-RANGEL G.U. 0 5,320,740
VASQUEZ, ROMERO ET AL 0 0
DAISY 0 3,392,885
STATE OF TEXAS 0 191
GUTIERREZ, JOSE CLEMENTE A 0 1,101,109
MECOM, LANNIE 0 127,637
VELA, G.O. ET AL A 0 2,908,149
DODIER C 0 0
HEIN, A.O. 0 3,724,462
J. VELA CUELLAR GAS UNIT A 0 949,393
MOSSER, H. J. 0 0
VELA-SMITH G. U. 0 1,143,754
EDWARD CASSIN A 0 2,790,761
KENEDY-ALONZO GAS UNIT 0 3,927,086
ABEL VELA-STATE GAS UNIT 0 4,100,987
PEREZ A 0 1,232,154
VILLARREAL GUTIERREZ GU 0 1,056,124
FELICIDAD 0 5,831,160
LAS AVISPAS 0 2,325,033
ANDREWS UNIT 0 6,284,542
RAMIREZ, J. ESTATE 0 584,548
WORLEY 0 4,710,859
FULBRIGHT, J. E. ET AL FEE 0 490,777
LEAL, F. 0 2,879,562
BENAVIDES, B.R. A 0 476,390
RAMON 0 3,556,458
ZAPATA TOWNSITE 4 GAS UNIT 0 705,428
GARCIA, SALVADOR F 0 592,093
LOPEZ MINERAL TRUST 0 1,013,578
BMT - FNB 0 162,130
RASH 0 1,100,274
GARZA, AMANDO TRUST 0 3,758,568
MARSHALL S. G. 0 424,012
BRUNI MINERAL TRUST 15 0 2,506,592
SALINAS B 0 1,725,122
GONZALES P. GAS UNIT 0 56,874
MARTINEZ, ANTONIO ET AL A UNIT 0 2,432,250
CHARGOS CREEK D 0 0
SARITA, K. 0 720,290
GUERRA-SAENZ 0 582,301
MARTINEZ, R. 0 3,595,406
VASQUEZ 0 305,666
CUELLAR, J. V. 0 2,949,771
SNAVELY 0 4,633,042
GUTIERREZ, J. M. C 0 6,182,885
MCLEAN, MARRS 0 0
VELA, ADRIAN 0 11,206,197
DELOZEIS A 0 1,478,108
TEXACO FEE 0 594,338
HAYNES EST. 0 0
MOFFATT-ALONZO GAS UNIT 0 4,318,575
VELA, SERAPIO HEIRS GU C 0 1,357,552
DONATO SERNA 0 77,928
HINOJOSA 0 1,658,356
JMV UNIT 0 2,407,345
PALMRYA 0 524,613
VIDAURRI-STATE GAS UNIT NO. 2 0 21,200,958
ESCOBAS SWD 0 0
LA PERLA A1 0 72,948
ALEXANDER-SAENZ GAS UNIT 0 606,325
RAMIREZ M. V. 0 46,611
WHITE, J. H. 0 437
FLORES, ROSA G. 0 1,734,412
LAUREL, F.D.A 0 447,311
BENAVIDES MINERAL TRUST 0 5,767,103
RAMIREZ, MARIA V. SWD 0 0
ZACHRY E. B. 0 6,350,644
RANCHES, F. G. G. 0 1,990,892
GARZA B 0 0
M.L.S.I.; MARSHALL, S.G. 0 661,254
BRIONES, E.L. 0 3,437,827
ROMERO VASQUEZ 0 368,792
GARZA, L.2 0 588,207
MARTINEZ SWD 0 1,136
TREVINO B 0 2,079,518
CANTU 0 728,351
SANCHEZ- MCMURREY 0 744,306
GUERRA M 0 4,989,136
MARTINEZ, M. 0 11,849,796
URIBE, I.C. GU 0 212,225
CUELLAR UNIT 0 41,710
SLATOR RANCH B 0 2,517,424
GUTIERREZ, EMILIA FLORES 0 85,273
MCASKILL TR7 0 2,166,103
VELA - GUERRA UNIT 0 596,016
DE LOS SANTOS 0 2,586,159
SWANTNER GAS UNIT 0 4,166,115
HARALSON BEEFMASTER, LTD 0 156,764
MENDOZA, E. G. GU 0 475,429
VELA, OSCAR 0 512,551
DOMINGUEZ ET AL 0 690,003
HINNANT SUR. 307 0 104,803
JENNINGS RANCH B 0 2,127,029
NEW ZAPATA EAST G.U. 0 10,333,226
VERGARA, G.B. 0 86,246
EL PEYOTE MINERAL TRUST 0 42,428,938
L & P 0 14,271,689
ALEXANDER A 0 6,689,968
R. LOPEZ H 0 0
VILLARREAL-ZAPATA GAS UNIT 0 3,966,006
FGG RANCHES 0 4,643,084
LAUREAL, O. M. ESTATE 0 0
ASCHE 0 159,665,526
RAMIREZ, L. O. A 0 24,034,964
YZAGUIRRE DE LOS SANTOS, F. 0 7,153
G.B.L. 0 2,035,439
LFT 0 2,467,543
BENAVIDES, J.G. UNIT 0 453
LOPEZ, RUFINO AND JOSEFA 0 50,725
BMT/K&H 0 8,628,747
RESENDEZ 0 1,072,965
GARZA, L. 4 0 546,662
MARTIN, B.M.T. A 0 165,886
BRUNI-HEIN GAS UNIT 0 895,898
SAN FERNANDO MINERALS 0 661,984
GONZALEZ, JOSE ET AL 6 0 161,538
MARTINEZ, EUDOXIO 0 3,761,907
TRUJILLO-FLORES UNIT 0 23,696
CUELLAR -A- 0 0
SERNA, DONATO 0 1,890,684
GUTIERREZ ET AL 0 3,314,617
MARTINEZ-RAMIREZ GAS UNIT 0 2,270,826
VASQUEZ, ROMEO J. B 0 613,682
D. RAMIREZ GAS UNIT 0 0
STATE CUATRO CATTLE A 0 1,132,827
GUTIERREZ, J.M.C. 0 1,357,895
MECOM, J.W. 0 77,577
VELA, G. O. ET AL A 0 2,970,873
DODIER B 0 0
HEIN, A. O. 0 847,062
J. VELA CUELLAR G. U. B 0 282,030
MOSS, JOE, UNIT 0 0
VELA-LOPENO MINERALS LTD. 0 0
EDWARD CASSIN 0 6,634,595
KENEDY MEMORIAL WEST 0 0
ABEL RAMIREZ 0 176,533
PEREZ A 0 176,488
VILLARREAL GUTIERREZ GAS UNIT 0 1,263,605
FALCON LAKE 0 154,538
LAPERLA 0 409,894
ANDREWS 0 264,660
RAMIREZ, J. EST. 0 5,007,228
WILLARS 0 0
FULBRIGHT, J. E. G 0 13,547,895
LAURO-ACELA MARTINEZ B GU 0 1,023,539
BENAVIDES, B.R. 0 6,411,079
RAMIREZ/YZAGUIRRE 0 269,625
ZAPATA TOWNSITE 0 5,364,700
GARCIA, SALVADOR E 0 4,279,261
LOPEZ FAMILY TRUST A 0 10,856
BMT 0 804,822
RAQUEL GUTIERREZ 0 10,681
GARZA, AMANDO 0 0
MARSHALL 0 1,360,388
BRUNI MINERAL TRUST -B- 0 0
SALINAS A 0 9,672,535
GONZALES BENAVIDES TRUST 0 1,416,959
MARTINEZ, ANTONIO ET AL 0 23,853,189
TREVINO, E. 412 0 0
SANTOS, R. GAS UNIT 0 470,705
GUERRA-RAYMOND GAS UNIT 0 675,696
MARTINEZ, OMAR 0 653,557
VARELA 0 284
CUELLAR, HESIGUIO 0 1,066
SMITH, A.H. 0 6,264,428
GUTIERREZ, J. M. B 0 5,807,061
MCGRATH, JOHN J. 0 0
VELA, ABEL-STATE GAS UNIT 0 2,737,239
DELOZEIS 0 0
TEXACO (MF) 181 0 22,923
HAYNES E 0 3,513,278
MOFFATT, ELZA GUTIERREZ 0 43,825
VELA, SERAPIO HEIRS GU D 0 3,301,437
DON JOSE LAND AND CATTLE CO. LTD 0 2,089,522
HINNANT-FULBRIGHT J GAS UNIT 0 484,853
JENNINGS, ROY 0 6,059,826
P. GONZALES GAS UNIT 0 596,164
VIDAURRI-STATE GAS UNIT 3 0 2,839,388
LA PERLA A 0 690,603
ALEXANDER-MANDEL 0 3,155,624
RAMIREZ LTD 0 0
WHITE 0 3,142,220
FLORES, R.G. ET AL 0 522,251
LAUREL, F.D. A 0 4,159,030
BENAVIDES - STATE GU 0 1,383,396
RAMIREZ, MARIA V. 0 4,062,639
ZACHRY 0 3,948,018
GARZA 0 8,091,770
M.L.E.I.; MARSHALL, S.G. 0 203,957
BRIONES, E. L. 0 904,388
ROGELIO URIBE A 0 0
GARZA, L. RE-ENTRY 0 815,447
MARTINEZ MINERALS 0 3,114,355
TREVINO B 0 9,468,486
CANALES 0 58,479,753
SANCHEZ, J.M. EST. 0 0
GUERRA L 0 16,996,135
MARTINEZ, LAURO-EUDOXIO GU 0 2,332,558
URIBE, I. C. 0 836,963
CUELLAR TRUST GU 0 1,356,967
SLATOR RANCH A 0 4,863,855
GUTIERREZ, E.E. 0 1,789,020
MCASKILL TR5 0 3,654,507
VELA C 0 978,375
SWANTNER G. R. A 0 2,075,048
HARALSON 0 0
MENDOZA, E. G. GAS UNIT 0 3,458,202
VELA, L. G. 0 17,880
DOMINGUEZ A 0 202,281
HINNANT SUR 307 0 1,329,833
JENNINGS RANCH AA 0 468,620
NEEL, BESS M. 0 4,644,209
VERGARA, G. B. ET AL 0 5,201,825
EL PATON 0 1,347,887
KRAMER 0 22,686
ALEXANDER 0 8,549,591
R M T 0 7,024,210
VILLARREAL-ZAPATA 0 757,384
FERNANDO MUNOZ GAS UNIT 3 0 2,907,145
LAS PRESAS-GARCIA A 0 1,346,198
ARNULFO MARTINEZ ET AL GAS UNIT 0 1,667,097
RAMIREZ, L. O. 0 4,221,356
YZAGUIRRE - LEO GAS UNIT 0 4,288,296
G. S. A. 0 0
LEYENDECKER, G.L. 0 5,381,214
BENAVIDES, J.G. 0 0
RAMOS, FELIX 0 17,376,211
LOPEZ, RUFINO & JOSEFA 0 5,210,916
BMT-MARTIN B 0 865,482
REID, M. 0 0
GARZA, L. 2 0 3,953
MARSHALL-URIBE GAS UNIT 0 2,606,051
BRUNI, L. E. 0 608,550
SAN FERNANDO 0 2,903,601
GONZALEZ, HORACIO 0 513,196
MARTINEZ, E.T. 0 5,496,538
TRUJILLO 0 25,986
CUELLAR G 0 0
SERNA, DONATA 0 1,578,037
GUTIERREZ 37 0 2,110,068
MARTINEZ-ALEXANDER GAS UNIT A 0 411,738
VASQUEZ, ROMEO J. B 0 102,409
CUELLER, F. EST. 0 0
STATE - CUATRO CATTLE COMPANY 0 536,624
GUTIERREZ, J.M.B. 0 119,014
MECOM, J. W. (SWD) 0 0
VELA, G. O. 0 915,420
DODIER A 0 8,721,014
HAYNES-NORTH 0 19,251,616
J. VELA CUELLAR 0 1,460,394
MORGENSTERN 0 5,969,350
VELA-LOPENO MINERALS LTD 0 3,350,197
EDC-LOPEZ 0 1,124,852
JUANA NCT 0 1,154,515
A. URIBE HEIRS 0 242,615
PENA, H.L. 0 1,454,322
VILLARREAL 0 43,140,733
FALCON GAS UNIT 0 5,222,857
LANIER-RATHMELL-ALEXANDER G U 0 829,154
AMOCO FEE 0 11,104,801
RAMIREZ, J. EST 0 845,387
WHITTIER, L. ESTATE 0 2,418,421
FULBRIGHT, J. E. 0 1,078,706
LAURO LOPEZ 0 0
BENAVIDES, B. R. 2 0 1,380,343
RAMIREZ-YZAGUIRRE GAS UNIT 0 3,402,134
ZAPATA SWD 0 0
GARCIA, SALVADOR D 0 2,123,737
LOPEZ 0 2,839,249
BLANCA AURORA SALINAS A 0 44,994
RANGEL, B.M. 0 1,841,138
GARZA, A. B 0 0
MARRS MCLEAN 0 126,708
BRUNI MINERAL TRUST D 0 0
SALINAS 0 2,510,595
GONART INVESTMENTS ET AL 0 635,504
MARTINEZ, ANTONIO 0 904,769
CAVAZOS 0 31,650,975
SANTOS, AIDE 0 0
GUERRA-RAYMOND 0 4,112,141
MARTINEZ, MERCURIO G.U. 0 1,105,490
VARAL RANCHES 0 7,719,700
CUELLAR, FERNANDO ESTATE 0 0
SMITH, A. H. 0 1,489,599
GUTIERREZ, J. M. A 0 7,620,376
MCGRATH B 0 685,987
VELA, A. M. 0 475,590
DELOS SANTOS, MARCELA B 0 120,327
TESORO-YZAGUIRRE 0 524,746
HAYNES - NORTH 0 5,713,752
MOFFAT, ELZA GUTIERREZ 0 3,193,861
VELA, SERAPIO HEIRS GU C 0 536,981
DON JOSE LAND & CATTLE CO., LTD 0 769
HINNANT, L. A. ET AL -G- 0 134,447
OSCAR GUTIERREZ ET AL 0 839,057
VIDAURRI, R. ETAL 0 2,889,091
ESCAMILLA 0 1,125,479
LA PERLA -B- 0 107,735
ALEXANDER, MAUREEN 0 8,732,622
RAMIREZ GAS UNIT 0 56,997
WELCH, ROBERT A. FOUNDATION 0 1,025,730
FLORES, M. 0 1,666,456
LAUREL, F.D. 0 3,534,141
BENAVIDES A 0 14,323,345
RAMIREZ, MANUEL RAMOS 0 23,352
YZAQUIRRE, J. 0 3,330,083
GARCIA, A. ET AL GAS UNIT 0 4,940,190
GARCIA-VASQUEZ, R.J. 0 1,073,763
M.L.E.I.; MARSHALL, S. G. 0 2,669,183
BRAVO, J.E. UNIT 0 19,804
RODRIGUEZ-STATE 0 279,919
GARZA, L. ET AL ESTATE OF 0 5,192,693
MARTINEZ ET AL 0 2,197,403
TREVINO 0 33,765,726
BUSTAMANTE, J. 0 0
SANCHEZ, J. M. ESTATES 0 0
GUERRA 0 5,713,560
MARTINEZ, LAURO-ACELA GAS UNIT 0 248,128
URIBE, H. 0 925,230
CUELLAR TRUST A GU 0 1,725,823
GUTIERREZ, E. E. 0 8,658,834
MCASKILL TR4 0 713,087
VELA B 0 1,773,805
DE GRACIA HEIRS 0 1,520,558
SULLIVAN-HEIN 0 118,161
GUTIRREZ, J. M. C 0 0
MENDOZA UNIT 0 0
VELA, L. E. 0 487,669
DOMINGUEZ 0 4,899,154
HILARIO, DON A 0 6,185,050
JENNINGS RANCH 0 2,978,614
NEEL, BESS 0 6,833,502
VERGARA, C.B. ET AL 0 810,744
EL MILAGRO BAJO B 0 0
KMF 0 0
ALEJO BENAVIDES 0 488,314
R & R RAMIREZ F.P.LTD 0 169,349
VILLARREAL-GUTIERREZ UNIT 0 1,034,382
FERNANDO MUNOZ GAS UNIT 0 4,931,711
LAS PIEDRAS GAS UNIT 0 0
ARMSTRONG 0 0
YZAGUIRRE - LEO GU 0 0
G. MARTINEZ TRUST GAS UNIT 0 3,346,137
LEYENDECKER, G. L. 0 27,816,419
BENAVIDES, J. G. GAS UNIT 0 699,751
RAMOS, BALTAZAR ET AL 0 1,537,696
LOPEZ, LAURO MINERAL TRUST 0 40,143,246
BMT-MARTIN A 0 3,034,280
RED CREST TRUST 0 2,024,823
GARZA, L. 0 38,356,995
MARSHALL, STANLEY G. ET AL 0 3,648,148
BRUNI RANCH 0 38,393,686
SAN ANTONIO DE LA HUERTA RASH GU 0 0
GONZALEZ, GRACIELA 0 157,803
MARTINEZ, E.C. 0 6,786,993
TREVINO,A. 0 11,329,530
CUELLAR D 0 0
SERNA GAS UNIT 0 0
GUTIERREZ -C- 0 158,675
MARTINEZ-ALEXANDER GAS UNIT 0 5,174,250
VASQUEZ, ROMEO J. 0 8,151,114
CUELLAR-GRAVES GAS UNIT 0 639,082
SPEARS, IRENE L. 0 363,880
GUTIERREZ, J.M.A. 0 121,244
MECOM, J. W. 0 148,866,916
VELA, EULALIA ET AL 0 0
DIEGO GUTIERREZ, ET AL GAS UNIT 0 2,725,865
HAYNES-HINNANT 0 0
J. O. D. 0 3,708,785
MORALES, ROSALVA DIANA 0 896,595
VELA-LOPENO MINERAL, LTD 0 18,227
E. E. GUTIERREZ 0 1,610,197
JUANA A 0 242,665
A. MARTINEZ UNIT 0 6,146,555
PENA 0 5,989,123
VILLAREAL-ZAPATA GU 0 180,611
F. LEAL 0 1,604,513
LANIER, S. ET AL 0 2,336,569
AMARGOSO GAS UNIT 0 713,766
RAMIREZ, FREDERICO 0 0
WHITTIER, L ESTATE 0 849,237
FROST NATIONAL BANK 0 2,907
LAURO 0 264,109
BENAVIDES, B. R. A 0 1,081,133
RAMIREZ-YZAGUIRRE 0 129,558
ZAPATA HAWK 0 674,218
GARCIA, SALVADOR C 0 2,001,632
LOPENO F 0 136,000
BIGLER-FLORES GU 0 5,934,550
RANGEL, B. M. 0 4,247,035
GARZA, A. 0 22,036,667
MARIA CUELLAR 0 891,038
BRUNI MINERAL TRUST 0 6,342,224
SALDIVAR 0 645,348
GOMEZ 0 1,668,912
MARTINEZ, ADRIAN GAS UNIT 0 11,492,131
CASSIN, EDWARD A 0 1,224,627
SANTA MARIA MINERALS 0 630,307
MARTINEZ, MERCURIO ET AL UNIT A 0 1,999,329
VAQUILLAS RANCH LTD 0 2,954
CUELLAR, FERNANDO EST. 0 1,603,527
SMITH AH 0 42,166
GUTIERREZ, J. M. C 0 10,002,919
MCGRATH 0 7,910,908
VELA, A. 0 3,033,373
DEGARZA 0 11,406,882
TEPOZAN 0 337,231
HAYNES - EAST 0 92,033
MEZA ESTATE UNIT 0 0
VELA, SERAPIO HEIRS B 0 6,996,715
DON JOSE LAND & CATTLE CO. LTD. 0 323,293
HINNANT, L. A. H ET AL 0 535,269
OLEGARIO VILLARREAL HEIRS 0 238,045
VIDAURRI, R. ET AL 0 34,171,531
ERM 0 650,883
LA PERLA B 0 7,264,851
ALEXANDER, M.M. NCT B 0 432,600
RAMIREZ ET AL GAS UNIT A 0 1,072,864
VOLPE, RAUL HEIRS 0 983,930
FLORES, M 0 0
LAUREL, F. D. A 0 1,093,753
BENAVIDES 0 2,410,796
RAMIREZ, MANUEL 0 892,385
YZAGUIRRE-LEO GAS UNIT 0 15,520,346
GARCIA, A. A & B 0 0
M.L.E.I. MARSHALL, S. G. 0 671,925
BRAVO, J. E. 0 540,847
RODRIGUEZ GAS UNIT 1 0 3,369,152
GARZA, L. ESTATE OF ET AL 0 1,085,149
MARTINEZ CHILDREN TRUST FUND 0 340,592
TOMASA 0 164,724
BUSTAMANTE, A. 0 0
SANCHEZ, J. M. ESTATE 0 54,818
GUADALUPE RANCH,LTD 0 483,220
MARTINEZ, LAURO 0 4,508,771
URIBE, AURELIANO HEIRS 0 966,654
CUELLAR TRUST 0 1,562,074
SINGER-ANDERS 0 1,237,055
GUTIERREZ, E. 0 4,412,857
MCASKILL TR1 0 421,228
VELA 0 14,558,990
DE GARCIA, SARA G. 0 745,888
STATE-CUATRO-DELOZEIS UNIT 0 0
GUTIERREZ, T. 0 898,193
MENDOZA B 0 1,635,016
VELA, J.M. 0 9,660,002
DOLORES GAS UNIT D 0 22,197
HERLINDA 0 0
JENNINGS 0 53,441,003
NCOC FEE UNIT 0 4,332,055
VERGARA 0 5,065,702
EL MILAGRO C 0 0
KINNALLY-CARTER-RICHARDSON 0 246,425
AIDE SANTOS 0 0
PUIG-KING GAS UNIT 0 2,174,282
VILLARREAL-GUTIERREZ GU 0 1,058,813
FERNANDO MUNOZ G. U. 0 6,654,899
LAS PALOMAS 0 985,741
ARGENT MINERALS 0 2,050,314
YZAGUIRRE 0 7,048,536
G. MARTINEZ 0 9,375,250
LEYENDECKER G.L. 0 8,240,372
BENAVIDES, C.Y. 0 1,418,536
RAMOS, BALTAZAR 0 11,923,370
GARCIA-MALDONADO GAS UNIT 0 292,323
LOPEZ, LAURO 0 2,089,287
BMT-FNB 0 3,429,837
RAY J THOMASMA B 0 1,297,126
GARZA, L 2 0 0
MARSHALL, STANLEY G. 0 238,662
BRUNI MINERAL TRUST B 0 81,742
SALVADOR GARCIA D 0 100,379
GONZALEZ, ALEJANDRO ET AL 0 832,378
MARTINEZ, E. T. 0 11,199,575
CUELLAR C 0 0
SERGIO, JR. 0 0
GUTIERREZ -A- 0 87,673
MARTINEZ,L. 0 6,317
VASQUEZ, ROMEO ET AL 0 307,643
SPEAR, IRENE L. 0 1,744,885
GUTIERREZ, J.M. C 0 5,371,452
MCMURREY-TALBERT 0 328,593
VELA, ENRIQUE 0 1,158
DIAMANTINA 40 0 1,233,299
HAYNES-EAST 0 127,163
J. M. GUTIERREZ 0 0
MORALES GAS UNIT 0 739,810
VELA-LOPENO 0 1,636,448
DYE, JAMES D. 0 823,715
JUANA 0 12,575,677
A. GARZA 0 2,531,195
PALMYRA MINERALS, LTD. 0 33,363,961
VILLAREAL, ROGELIO 0 0
F. G. G. RANCHES 0 5,766,716
LANIER ESTATE 0 265,783
AMANDO GARZA TRUST 0 5,212,933
RAMIREZ, FEDERICO 0 22,752,692
WHITTIER, HELEN COMPANY 0 1,718,987
FRANCISCO RAMIREZ ET AL GAS UNIT 0 4,547,490
LAUREL-STATE 0 125,438
BENAVIDES, B. R. 0 15,921,069
RAMIREZ, RP & RR 0 36,836
ZACHRY, H.B. FEE 0 53,949
GARCIA, SALVADOR B 0 391,523
LOPENO E 0 376,313
BHCH 0 621,372
RANGEL, B M 0 1,884,709
GARZA L. B 2 0 155,220
MARCELA DE LOS SANTOS A 0 365,571
SAENZ 0 161,889
GEO-FALCON 0 253,550
MARTINEZ, ADRIAN 0 4,020,061
TREVINO, ALBERTO 0 9,015,056
CASSIN, EDWARD 0 9,923,430
SANTA MARIA LAND 0 217,073
GUERRA, R. 0 101,707
MARTINEZ, MERCURIO ET AL UNIT 0 6,726,909
URIBE-MARSHALL GAS UNIT 0 1,108,097
CUELLAR, FERNANDO B 0 1,200,168
SMITH AH 0 904,431
GUTIERREZ, J. M. B 0 16,298
MCDERMOTT HEIRS 0 119,998
VELA GAS UNIT 0 582,322
DECARREON, G.G. 0 303,635
TAYLOR, LEROY 0 21,012
HAYNES A 0 0
MEZA 0 257,802
VELA, SERAPIO HEIRS A 0 195
DON JOSE LAND & CATTLE CO LTD 0 28,357,471
HINNANT, ET AL N 0 4,297,306
JENNINGS RANCH D 0 46,581,520
OLD ZAPATA DEEP GU 0 1,195,559
VIDAURRI, R. 0 8,751,542
EMMA 0 2,473,660
LA PERLA A 0 3,058,783
ALEXANDER, M.M. 0 0
RAMIREZ ET AL 0 883
VOLPE, R. 0 0
FLORES, L.G. 0 34,716,772
LAUREL, F. D. 0 5,448,650
BARROCITO, B.M. 0 9,720,822
RAMIREZ, M.R. 0 2,823,889
YZAGUIRRE-LEO 0 3,099,245
GARCIA, A. 0 0
M. G. GARZA GAS UNIT 0 1,008,320
BRAVO UNIT 0 6,577
RODRIGUEZ GAS UNIT 0 27,540,729
GARZA, L. ESTATE 0 26,941
MARTINEZ 0 1,299,302
TOMAS GU 0 695,398
BUSTAMANTE TOWNSITE 0 1,426,964
SANCHEZ, J. M. EST. 0 12,016
GUADALUPE 0 480,658
MARTINEZ, L. 0 2,364,859
URIBE, A. HEIRS 0 238,120
CUELLAR LAND & CATTLE LTD ET AL 0 0
SINGER GAS UNIT 0 3,808,523
GUTIERREZ, CHEVRON R. 0 1,078,876
MCASKILL 0 14,322,454
VASQUEZ-URIBE A GAS UNIT 0 2,534,858
DE GARCIA, JUSTINA B. ET AL 0 15,811
STATE-CUATRO CATTLE-CASSIN UNIT 0 431,935
GUTIERREZ, ROMEO 0 967,745
MENDOZA 0 12,832,769
VELA, J. M. 0 12,913,801
DOLORES GAS UNIT C 0 38,698
HERBST, M.V. 0 26,444,956
JACOBA VILLARREAL ESTATE 0 72,714
MUZZA, G. P. 0 108,355,916
VERA, SERAPIO HEIRS G.U. D. 0 989,941
EL MILAGRO B BAJO (SHALLOW) 0 783,773
KING-GUTIERREZ GAS UNIT 0 608,250
ADRIAN, VELA 0 101
PUIG KING GAS UNIT 0 1,612,754
VILLARREAL, RICARDO 0 2,282,815
FERNANDO MUNOZ 0 3,934,586
LAS OVEJAS-STATE 0 5,318,785
ARCO-MARSHALL, S. G. 0 0
RAMIREZ, JULIAN 0 209
Y. RAMIREZ GAS UNIT 0 0
G. G. HINOJOSA 0 9,535,105
LEONARDO-GUTIERREZ GAS UNIT 0 2,720,130
BENAVIDES, C. Y. 0 858,348
RAMON, BELIA ET AL 0 1,954,830
GARCIA, SALVADOR F 0 37,830
LOPEZ, J. M. 0 558,879
BMT-BARROCITO 0 9,889,501
RAUL VOLPE HEIRS 0 169,212
GARZA, L 0 4,463,692
MARSHALL, S.G. 0 12,718,344
BRUNI MINERAL TRUST AB 0 3,738,688
SALINAS-RAMIREZ GAS UNIT 0 3,447,260
GONZALEZ GAS UNIT 0 950,621
MARTINEZ, E. C. 0 1,418,901
TREVINO, J.B. ESTATE -A- 0 344,823
CUELLAR B 0 0
SERAPIO VELA E 0 6,798,386
GUTIERREZ C 0 49,538
MARTINEZ, T. RANCH 0 0
VASQUEZ, ROMEO 0 1,258,944
CUELLAR, R. 0 0
SOLIS 0 385,579
GUTIERREZ, J.M. B 0 1,780,620
MCMURREY- TALBERT 0 248,349
VELA, EMILIANO 0 1,496,470
DIAMANTINA 0 30,491
HAYNES, LEONARD ESTATE 0 150,783
J. G. BENAVIDES GAS UNIT 0 4,048,387
MORALES ET AL 0 5,909,716
VELA-LOPENA MINERALS 0 282,335
DYE, JAMES 0 2,271,500
JUAN RAMIREZ GAS UNIT 0 497,740
7A INVESTMENTS LTD. GU 0 459,954
PALMYRA MINERALS, LTD 0 2,384,295
VILLAREAL, A. 0 54,561
F. D. LAUREL 0 0
LALAJITA RANCH 0 0
AMANDO 0 2,170,769
RAMIREZ, D. 0 723,386
WHITTIER GAS UNIT NO. 2 0 3,421,119
FLOREZ 0 24,955
LAUREL-LAS OVEJAS-STATE GAS UNIT 0 484,608
BENAVIDES, ALEJO 0 203,652
RAMIREZ, RAMIRO 0 1,092,305
ZACHRY, H.B. CO. 0 8,806,191
GARCIA, SALVADOR A 0 2,153,039
LOPENO D 0 385,753
BERNARDO GAS UNIT 0 27,224,382
RANGEL 0 525,339
GARZA L. 0 2,880,456
MANN, E. E. TRUST ETAL 0 972,469
BRUNI ESTATE 0 645,665
S. G. MARSHALL 0 1,299,941
GARZA-MUNOZ G. U. 0 0
MARTINEZ, ADELA M. ET AL 0 3,638,542
TREVINO, ALBERT B 0 386,854
CASSIN, E. W. ET AL 0 1,105,735
SANTA MARIA 0 3,924,006
GUERRA, M. 0 13,268,591
MARTINEZ, MERCURIO ET AL 0 344,717
URIBE-M DEMARTINEZ GAS UNIT 0 6,023,724
CUELLAR, FERNANDO A 0 1,753,795
SLATOR RANCH S 0 383,336
GUTIERREZ, J. M. 0 7,117,283
MCCANN, CATALINA L. 0 5,804
VELA ESTATE UNIT 0 2,109,211
DECARREON, G. G. 0 20,755,123
TAYLOR, J. AUSTIN 0 0
HAYNES E 0 10,435,801
MERCURIO MARTINEZ ET AL UNIT A 0 3,424,437
VELA, SERAPIO HEIRS B 0 5,145,840
DON JOSE LAND 0 846,185
HINNANT HEIRS B 0 8,936,652
JENNINGS RANCH C 0 78,987,212
OLD ZAPATA DEEP GAS UNIT 0 3,898,277
VIDAURRI STATE GAS UNIT #1 0 426,412
EMILIANO VELA 0 698,558
LA PERLA 0 336,683,016
ALEXANDER, M. TRUST 0 3,091,779
RAMIREZ B 0 3,454,575
VOLPE, FLORA E. G. DE UNIT 0 1,150,587
FLORES, L. G. 0 44,015,884
LAUREL, F D A 0 547,475
BARROCITO, B. M. 0 17,087,920
RAMIREZ, M. R. 0 16,191,775
YZAGUIRRE, RAMIREZ 0 16,684
GARCIA SALINAS PEDERNAL LTD. 0 10,948,153
M. G. GARZA G. U. 0 1,734,342
BRAVO G.U. 0 1,377,267
RMT C 0 519,874
GARZA, L. B 4 0 719,867
MARTIN-SANCHEZ UNIT 2 0 1,483,042
TOMAS G.U. 0 136,834
BUSTAMANTE HEIRS 0 1,201,018
SANCHEZ, CARMEN D. HEIRS 0 2,252,487
GRIMSINGER, LORAINE 0 82,303
MARTINEZ, L 0 82,902
URIBE, A. A. 0 1,742,578
CUELLAR HEIRS B 0 220,313
SINGER B 0 1,463,873
GUTIERREZ, B.G. 0 0
MC GRATH 0 3,080,299
VASQUEZ-SHARP-ANDERS GAS UNIT 0 269,745
DE GARCIA HEIRS 0 592,029
STATE- CUATRO CATTLE COMPANY 0 29,027
GUTIERREZ, RAQUEL F 0 1,449,222
MEDINA/LOZANO 0 0
VELA, J. 0 132,946
DOLORES GAS UNIT B 0 139,359
HERBST, M. V. 0 1,495,902
JACOBA A 0 1,275,441
MUNOZ-GUTIERREZ GAS UNIT 0 5,448,578
VELENO RANCH 0 13,203,527
EL MILAGRO B 0 4,012,577
KING, AL DR. 0 768,840
ADRIAN EUDOXIO MARTINEZ GU 0 921,889
PROVIDENCIA RANCH A 0 593,681
VILLARREAL, R. 0 0
FERNANDO CUELLAR ET AL GAS UNIT 0 160,492
LAS CLAVELLINAS RANCH 36 0 4,728,898
ARACELI GAS UNIT 0 2,685,480
WRIGHT-BARRERA GU 0 2,004,685
G. B. VERGARA 0 486,449
LEONARDO GUTIERREZ G. U. 2 0 0
BENAVIDES, BELIA R.-B 0 521,527
RAMON, A. C 0 0
GARCIA, SALVADOR E 0 247,158
LOPEZ, H. 0 659,164
BMT MARTIN C 0 662,096
RATHMELL-ALEXANDER GAS UNIT 0 4,802,904
GARZA, FERNANDO DEEP 0 406,505
MARSHALL, S. G. ET AL 0 163,785
BRUNI MINERAL TRUST AA 0 1,379,245
SALINAS, OCTAVIO GAS UNIT 0 2,053,041
GONZALEZ ET AL G.U. 0 85,614
MARTINEZ, B.M. 0 2,393,948
TREVINO, J.B. ESTATE A 0 0
CUELLAR 0 636,958
SERAFIN URIBE 0 261,528
GUTIERREZ B 0 791,688
MARTINEZ, S. C 0 14,740
VASQUEZ, DELIA M. 0 3,925,527
CUELLAR, MARIA HEIRS 0 153,668
SNOWMASS INC. 0 543,204
GUTIERREZ, J.M. A 0 24,954,478
MCMURREY, WM. 0 63,372,449
VELA, CONSUELO G. 0 1,372,094
DEVON GAS FEE 0 1,392,428
HAYNES, LEONARD 0 63,654,225
IRENE 0 5,956,892
MORALES 0 1,999,319
VELA-CUELLAR, J. GAS UNIT 0 1,318,080
DYE, J.D. 0 2,193,958
JUAN DE DIOS 0 3,870,186
7-A INVESTMENT, LTD. 0 0
PALMYRA MINERALS LTD. 0 1,813,863
VIELMANN-RAMIREZ-MARSHALL G U 0 2,569,658
EUDOXIO MARTINEZ UNIT 1 0 6,993,084
LA SOLEDAD 0 2,198,345
ALVAREZ GAS UNIT 0 28,181,610
WHITTIER GAS UNIT NO. 1 0 1,450,688
FLORES-CALISHE RANCH 0 525,643
LAUREL, SERGIO 0 5,549,748
BENAVIDES TRUST 0 13,544,467
RAMIREZ, R.A. GU 0 753,790
ZACHRY, H. B. COMPANY 0 53,055,510
GARCIA, SALVADOR 0 412,425
BERNARDO BUSTAMANTE G.U. 0 2,627,880
RANCHO NUEVO 0 26,788,695
GARZA HEIRS 0 738
MANN, E. E. TRUST ET AL 142 0 1,324,758
BRUNI EST. GU 0 0
RUFINO ZAPATA GAS UNIT 0 0
GARZA-IRENE GAS UNIT 0 6,371,599
MARTINEZ, ACELA 0 3,483,379
TREVINO, ALBERT 0 38,435,404
CARRILLO, O.P. 0 2,310,325
SANCHEZ-SAN FERNANDO MIN. GU 0 667,087
GUERRA, JTS 0 956,017
MARTINEZ, MERCURIO 0 1,352,655
URIBE, SERAFIN 0 1,275,242
SLATOR RANCH C 0 1,087,855
GUTIERREZ, J. 0 0
MCCANN, C.L. 0 662,986
VELA ESTATE 0 36,688,154
DE VELA, AMELIA L. 0 38,894
TAYLOR 0 0
HAYNES D 0 3,642,047
MERCURIO MARTINEZ ET AL UNIT 0 3,245,426
VELA, SERAPIO HEIRS A 0 0
DON JOSE GAS UNIT 0 2,484,897
HINNANT HEIRS 0 14,174,773
JENNINGS RANCH B1 0 1,878,440
OCTAVIO SALINAS GAS UNIT 0 507,823
VIDAURRI MARTINEZ G.U. 0 808,314
ELLIS 0 2,046,378
LA DUQUESA 0 442,858
ALEXANDER, M. M. B. 0 21,773
RAMIREZ A 0 308,911
VOLPE, ADAN 0 1,646,069
FLORES, FRANCISCO J. ET AL 0 0
LAUREL O M ESTATE 0 0
BARROCITO 0 190,370
RAMIREZ, M. GAS UNIT 0 1,261,240
YZAGUIRRE, J. 0 15,930,401
GARCIA ET AL G.U. 0 26,897
LOPENO B 0 1,057,788
M. FLORES 0 1,455,715
BRAVO 0 2,229,426
RMT 38 0 1,153,090
GARZA, L. B 3 0 121,919
MARTIN-SANCHEZ G.U. NO. 1 0 125,555
THOMASMA, RAY J. E 0 224,338
BUSTAMANTE GAS UNIT NO. 1 0 309,906
SANCHEZ, ANTONIO 0 0
GRACIA, CATARINO ET AL 0 7,593,171
MARTINEZ, IMELDA 0 150,652
URIBE GAS UNIT 0 1,253,897
CUELLAR HEIRS 0 1,087,572
SINGER ANDERS GAS UNIT 0 1,525,131
GUTIERREZ, B. G. 0 6,880,134
MATLES 0 38,772
VASQUEZ-SHARP-ANDERS G.U. 0 125,869
DE DIOS, JUAN 0 9,576,593
STATE TRACT M88890 0 48,294
GUTIERREZ, RAQUEL 0 2,041,343
MEDINA, B. 0 0
VELA, HUMBERTO JR. 0 350,280
DOLORES GAS UNIT A 0 158,685
HEIN-BRUNI GU 0 5,040,028
JACOBA 0 7,846,758
MUNOZ, FERNANDO 0 15,950,793
VELENO 0 14,741,164
EL EBANITO LAND CO., LTD. 0 1,276,348
KING B 0 2,478,352
ADELFA 0 1,102,226
PORRAS GAS UNIT 0 8,368,985
VILLARREAL, JACOBA ESTATE 0 980,177
FERNANDO 0 11,875
LAS CLAVELLINA RANCH 36 0 17,196
ARACELI 0 2,799,642
RAMIREZ, JOSEFA 0 8,117,436
WRIGHT-BARRERA G.U. 0 379,366
FULLBRIGHT, J.E. ET AL 0 0
LEONARDO 0 57,780,661
BENAVIDES, BELIA R. B 0 10,020,738
RAMON, A. B 0 22,301
GARCIA, SALVADOR D 0 2,180,979
LOPEZ, C.V. ESTATE 0 12,004
BMT MARTIN B 0 2,158,500
RATHMELL, J.G. 0 29,859,882
GARZA, FERNANDO 0 0
MARSHALL, S. G. 0 45,496,254
BRUNI MINERAL TRUST A-D 0 0
SALINAS, G.G. 0 355,656
GONZALEZ 0 2,789,222
MARTINEZ, B. M. 0 707,827
TREVINO, J. B. ESTATE 0 0
CORRAL QUEMADO RANCH 0 3,007
SERAFIN SAENZ UNIT 0 0
GUTIERREZ A 0 0
MARTINEZ, S. A 0 905,738
VASQUEZ, DELIA 0 7,410,267
CUELLAR, MARIA 0 27,951,044
SNAVELY GAS UNIT 6 0 393,376
GUTIERREZ, J.M. -C- 0 2,368,982
MCMURREY, WM 0 493,007
VELA, CONSUELO 0 0
DERLY RAMIREZ 0 1,579,065
THOMASMA, RAY J. D 0 1,917,815
HAYNES, L. EST. 0 250,370
IKA RAMIREZ (A. GONZALEZ, JR) 0 30,437
MOLLETES CREEK GU 0 667,629
VELA-CUELLAR, J. 0 238,092
DYE, J. D. 0 10,223,836
HORACIO GONZALEZ 0 145,382
JOSEFA 0 104,959
3J ZAPATA/MEZA GAS UNIT 0 1,678,136
PALMYRA MINERALS LTD 0 2,962,870
VIELMANN-RAMIREZ A 0 1,080,932
EUDOXIO MARTINEZ GU 0 466,205
LA ROCA SWD 0 23,667
ALONZO RAMIREZ ET AL GAS UNIT 0 1,684,646
RAMIREZ, ABEL 0 15,454,964
WHITTIER GAS UNIT 5 0 16,027
FLORES-CALICHE RANCH 37 0 1,175,249
LAUREL, S. L. 0 348,841
BENAVIDES STATE GU A 0 40,617
RAMIREZ, R. A. GU 0 0
ZACHRY, H. B. CO. 0 3,930,164
GARCIA, GEORGE 0 44,734
BERNARDO BUSTAMANTE G. U. 0 4,713,516
RANCHITO TANK GU 0 2,550,938
GARZA FAMILY TRUST 0 0
MANN, E. E. TRUST ET AL 0 157,007
BRIONES, J.E. A 0 16,328,240
RUBEN FLORES MINERALS, LTD 0 748,808
GARZA, M.G. GAS UNIT 0 491,997
MARTINEZ, A. UNIT 0 3,448,705
TREVINO, A. 0 10,754,576
CARRILLO, O. P. 0 4,969,420
SANCHEZ-MCMURREY 0 18,732,201
GUERRA, AVELINO 0 18,561,816
MARTINEZ, MERCURCIO ET AL 0 1,631,738
URIBE, S. 0 42,559,370
CUELLAR, F. EST 0 0
SLATOR RANCH B 0 1,877,935
GUTIERREZ, HIGINIO JR. 0 1,131,180
MCCANN, C. L. 0 1,433,287
VELA CUELLAR, J. GAS UNIT 0 456,894
DE TREVINO, I. G. 0 0
TALBERT, MM ESTATE 0 2,204,473
HAYNES B 0 16,763,838
MERCURIO 0 5,919,470
VELA, SERAPIO E 0 5,306,652
DON HILARIO A 0 5,784,685
HINNANT FULBRIGHTA GAS UNIT 0 0
JENNINGS RANCH B 0 2,575,908
OCTAVIO 0 0
VIDAURRI GAS UNIT 0 2,141
ELIZONDO ET AL 0 1,972,084
L.F.T. 0 1,076,277
ALEXANDER, M. M. 0 4,287,383
RAMIREZ 0 4,111,186
VOLPE BROTHERS 0 4,149,746
FLORES, ESPERANZA 0 0
LAUREL MINERAL ESTATE 0 18,664,268
BARBERIO 0 4,260
RAMIREZ, M. 0 253,221
YZAGUIRRE, J 0 793,264
GARCIA 0 0
LOPENO A 0 592,930
LUNDELL B 0 3,202,321
BRASCO RANCH 0 402,072
RMT C 0 4,257,361
GARZA, L. B 2 0 983,247
MARTIN, J.C. ET AL 0 7,474,520
BUSTAMANTE GAS UNIT 1 0 14,369,229
SANCHEZ ET AL G.U. 0 1,254
GONZALEZ-GIL B GU 0 7,733,927
MARTINEZ, G. 0 41,345,411
URIBE FAMILY TRUST 0 433,974
CUELLAR GU 0 131,459
SINGER A 35 0 316,534
GUTIERREZ UNIT 0 5,491,592
MARTINEZ-VIDAURRI UNIT 0 167,735
VASQUEZ-SHARP-ANDERS G. U. 0 184,292
DE CARREON, G. G. 0 1,724
STATE TRACT M80131 0 5,390,000
GUTIERREZ, O. B 0 116,529
MECON. J. W. 0 3,661,146
VELA, HUMBERTO JR 0 376,610
DOLEN 0 2,317,987
HEIN, LUZ, A ESTATE 0 0
J.O.D. 1 0 2,308,916
MUNOZ - GUTIERREZ GAS UNIT 0 224,176
VELAS, SIETE 0 495,217
EL EBANITO LAND CO. LTD. 0 21,135
KING B 0 3,126,206
ACELA SAN CRISTOBAL 0 529,203
PHELPS-NEBLETT 0 1,023,266
VILLARREAL, EDUARDO 0 277,025
FERNANDEZ, N. 0 523,180
LAS AVISPAS RANCH 40 0 714,577
ANTONIO MARTINEZ ET AL UNIT 0 3,234,852
RAMIREZ, JOSE EST. E 0 869,713
WORLEY, R.J. ET AL 0 156,795
FULBRIGHT, J.E. ET AL 0 0
LEONARD 0 0
BENAVIDES, BELIA R. C 0 4,281,928
RAMON C 0 260,732
GARCIA, SALVADOR B 0 1,294,435
OPERATOR NAME OIL VOL in BBL GAS VOL in MCF
MOTE RESOURCES, INC. 159,679 1,354,102
S M K ENERGY CORPORATION 158,537 4,070,846
CODY ENERGY LLC 118,895 11,607,174
SYNTHETIC ENERGY CORPORATION 55,658 0
MUSTANG OIL & GAS CORPORATION 54,416 16,393,878
PEOPLES ENERGY PROD.-TX, L.P. 50,659 17,615,462
HERSCHAP BROS. 50,254 0
KOVAR OPERATING, LLC 44,876 52,973
PENNZOIL EXPLORATION & PROD. CO. 31,894 96,731,154
CORONADO ENERGY E&P COMPANY, LLC 29,295 7,051,588
CHOCTAW II OIL & GAS, LTD. 28,769 5,214,664
DEVON ENERGY PRODUCTION CO, L.P. 26,441 101,010,064
RAY JR. CO., INC. 22,610 209
MCRAE, NATHAN RATHBURN 20,591 0
KENDRICK, PAUL W. 17,254 0
SHELL WESTERN E&P INC. 16,018 129,771,007
KENDRICK, BARBARA S. 10,168 0
PDQ EQUIPMENT, INC. 9,231 0
PROTON ENERGY, L.L.C. 8,021 56,473
HOLDEN ENERGY CORPORATION 7,656 14,627
BLUESTONE NATURAL RES. II, LLC 6,783 4,716,235
RIDGELINE ENERGY INC. 5,883 0
BPL EXPLORATION, LTD. 5,347 9,992
EOG RESOURCES, INC. 4,250 310,506,781
KILLAM OIL CO., LTD. 3,557 56,914,556
CINCO-CMT, INC. 2,897 0
ZAPATA OIL PARTNERS, L.L.C. 2,840 0
PIERCO ENERGY CORP. 2,791 0
ENERGY 2000, INC. 2,389 320,326
EL PASO E & P COMPANY, L. P. 2,209 12,955,369
KATCO PRODUCTION 1,852 0
PROTON OPERATING COMPANY 1,776 10,177
PENNZENERGY EXP. & PROD., L.L.C. 1,735 8,548,026
POOR BOY OILFIELD SERVICE 1,723 0
SUE-ANN OPERATING, L.C. 1,541 24,911
KILLAM OIL COMPANY 934 4,437,392
RESS PRODUCTION CO. 546 0
ZAPATA MINERALS, INC. 273 0
ZAPATA MINERALS CO. 148 0
SHELL WESTERN E&P 142 103,593,568
BAXTER, KELLY H. OIL AND GAS CO. 53 0
IPACT 43 146,860
DASCON OIL AND GAS COMPANY 5 0
ROSETTA RESOURCES OPERATING LP 0 5,016,424
DUGGER, GLENN 0 0
UNIT PETROLEUM COMPANY 0 63,537
FLORES-SAN MIGUEL, INC. 0 0
APACHE CORPORATION 0 89,551
ENERVEST OPERATING, L.L.C. 0 7,306,097
CNG PRODUCING COMPANY 0 12,831,747
DELTA SEABOARD WELL SVC, INC. 0 0
CJ PETROLEUM SERVICES, LLC 0 0
WAGNER OIL COMPANY 0 32,747,871
ACOCK/ANAQUA OPERATING CO., LP 0 710,431
WADI PETROLEUM, INC. 0 0
WEEKLEY ENERGY GROUP, LLC 0 10,943
PRIZE OPERATING COMPANY 0 4,296,833
HOWARD EXPLORATION, INC. 0 120,731
STONESTREET OPERATING CO, LLC 0 193,614
STONE BROTHERS 0 0
FINA OIL & CHEMICAL COMPANY 0 1,391,957
OKIE OPERATING COMPANY, LTD. 0 57,770
SONAT EXPLORATION CO. - HOUSTON 0 1,704,050
GONZALES, RICHARD R. 0 0
ENERCORP RESOURCES, INC. 0 2,975,664
CONOCOPHILLIPS COMPANY 0 554,075,633
ANADARKO E&P COMPANY LP 0 0
CHEVRON U. S. A. INC. 0 500,919,600
BISON ENERGY PARTNERS, LTD. 0 196,611
KIMMELL, C. E. 0 0
PALADAR INVESTMENTS I, L.L.C. 0 1,792,588
JN EXPLORATION & PRODUCTION LP 0 1,503,208
L.O.G. ENERGY EXPLORATION, LTD. 0 9,819,819
SOUTH TEXAS DISPOSAL, INC. 0 0
DENALI OIL & GAS MANAGEMENT, LLC 0 25,535,263
TITAN VACUUM SERVICES, LLC 0 0
MARWELL PETROLEUM, INC. 0 969,376
EDGE PETROLEUM OPER. CO., INC. 0 1,730,511
JK EXPLORATION & PRODUCTION,INC. 0 658,493
COLUMBUS ENERGY, LLC 0 3,506,065
PALOMA RESOURCES, LLC 0 3,369,733
PREVAIL ENERGY, INCORPORATED 0 41,545
PINPOINT ENERGY OPERATING, LLC 0 244,783
TRATON OPERATING COMPANY 0 36,839
BRIGHTON ENERGY, L.L.C. 0 148,235
STIVERS INC 0 7,432,888
MUELLER ENGINEERING CORP. 0 254,494
U.S. ENERCORP, LTD. 0 3,582,243
LEGEND NATURAL GAS II, LP 0 13,359,974
PETRO-HUNT, L.L.C. 0 4,649,817
TEXPRO, INC. 0 0
NOBLE ENERGY INC 0 2,035,439
DREYFUS, LOUIS NATURAL GAS CORP 0 1,650,006
ACOCK OPERATING LIMITED 0 838,733
TRI-C RESOURCES, INC. 0 935,445
LEFT BEHIND RECOVERY, LLC 0 0
PIONEER RESOURCES PRODUCING, L.P 0 2,398,839
WESTPORT OIL AND GAS COMPANY, LP 0 18,812,333
RMR OPERATING, LLC 0 110,952
SOUTHWEST TEXAS SERV DIV OF TA 0 0
TEXCAN RESOURCES CORP. 0 0
L & R ENERGY CORPORATION 0 115,410
OMEGA ENERGY CORP. 0 892
MILAGRO EXPLORATION, LLC 0 604,204
KEY ENERGY SERVICES-SOUTH TX INC 0 0
CONOCO INC. 0 456,704,315
TDC ENGINEERING, INC. 0 43,517
HOUSTON EXPLORATION COMPANY, THE 0 488,623,583
BISON ENERGY PARTNERS, INC. 0 335,256
ROTHWELL ENERGY VENTURES LTD 0 0
OAK VALLEY OPERATING, LLC 0 58,777
EDWARDS, GUS CO. 0 1,012,668
LAREDO ENERGY 0 23,273,311
DAWSON PRODUCTION SERVICES 0 0
PETRA OLEUM CORP. 0 259,024
ZACHRY, H. B. COMPANY 0 33,993
MARWELL PETROLEUM LTD PARTNRSHIP 0 723,543
BRECK OPERATING CORP. 0 834,471
ESCONDIDO RESOURCES GP, LLC 0 23,534
SILVER PINES ENERGY CORP. 0 264,461
FOREST OIL PERMIAN CORPORATION 0 20,632,863
PREVAIL ENERGY, INC 0 12,348
PETROPOINT ENERGY OPERATING, LLC 0 599,420
STEPHENS & JOHNSON OPERATING CO. 0 2,613,011
JURASSIC EXPLORATION, INC. 0 53,696
HUNT, WM. HERBERT, TRUST EST. 0 8,178,229
GRAHAM ROYALTY, LTD. 0 5,128,701
VILLALON, J. ANTONIO, TRUSTEE 0 0
DOMINION OKLAHOMA TEXAS E&P, INC 0 8,116,877
KEBO OIL & GAS, INC. 0 406,505
PARKER & PARSLEY PRODUCING L.P. 0 5,937,622
UNITED RESOURCES, LP 0 3,792,375
DOGWOOD OPERATING COMPANY, INC. 0 668,725
WEST ENERGY DEVELOPERS, INC. 0 17,762
ENERQUEST OPERATING L.L.C. 0 238,466
PROTECH OIL & GAS SERVICES, LLC 0 873
SHIDLER, MARK L., INC. 0 157,061
FRAN INVESTMENTS, INC. 0 40,474
KCS RESOURCES, INC. 0 18,120,213
DEWBRE PETROLEUM CORPORATION 0 77,127
SONAT EXPLORATION COMPANY -TYLER 0 181,814
HILCORP ENERGY COMPANY 0 11,714,862
BELLWETHER EXPLORATION COMPANY 0 2,066,068
ARTHUR & ARTHUR INC. 0 0
SAMSON LONE STAR, LLC 0 368,536
PRIME OPERATING COMPANY 0 361,342
UNION PACIFIC RESOURCES COMPANY 0 67,645,911
MIDWEST OPERATING, LLC 0 0
FAULCONER, VERNON E., INC. 0 1,239,302
ZACHRY EXPLORATION, INC. 0 0
SMITH PRODUCTION INC. 0 632,765
HUGHES, DAN A. COMPANY, L.P. 0 26,292,231
BROWER OIL & GAS CO., INC. 0 43,499
FREDONIA RESOURCES INC. 0 42,758
TEPEE PETROLEUM CO., INC. 0 217,866
ALYNDSON OIL & GAS INC. 0 4,516
MICHAEL PETROLEUM CORPORATION 0 8,238,829
MAGNA OPERATING, LLC 0 30,229
TX ENERGY SERVICES, LLC 0 0
PRESSLY OIL INTEREST, INC. 0 15,811
WHITSON, JAMES A., JR. 0 7,627,309
DIRNETT, INC. 0 50,397
UNITED RESOURCES LP 0 6,082,753
CHARCO PRODUCTION COMPANY 0 0
REICHMANN PETROLEUM CORP. 0 1,966,260
COMSTOCK OIL & GAS, INC. 0 205,198
BRIDGE OIL PRODUCTION CO., INC. 0 2,097,773
UNITED OIL & MINERALS L. P. 0 8,921,506
SHERIDAN ENERGY,INC. 0 263,637
SWIFT ENERGY COMPANY 0 360,080
CFO RESOURCES, INC. 0 20,357
HIBBARD ENERGY, LP 0 68,649
MED-LOZ LEASE SERVICE, INC. 0 0
KERR-MCGEE CORPORATION 0 2,434,659
DOLPHIN PETROLEUM, LP 0 11,941
JIN PETROLEUM LLC 0 0
RAKER RESOURCES LLC 0 13,393
FOREST OIL CORPORATION 0 146,124,899
TEXAS, LES C., LTD. 0 4,015
LEGEND NATURAL GAS, LP 0 23,211,806
SOUTHERN G HOLDINGS, LLC 0 64,243
SAMSON LONE STAR LP 0 15,968,825
LOBO RESOURCES, LTD. 0 76,293
RME PETROLEUM COMPANY 0 9,183,023
COUNTY LINE SALT WATER DISPOSAL 0 0
COWRIE ENERGY LLC 0 246
RANCHO BLANCO CORPORATION 0 19,956
EL PASO PRODUCTION OIL & GAS CO. 0 30,726,781
SYNERGY OIL & GAS, L.P. 0 386,050
BNR OPERATING, LLC 0 88,957
ATASCA RESOURCES, INC. 0 587,179
ELLIOTT OIL & GAS OPERATING CO. 0 204,813
COLUMBUS ENERGY CORP. 0 18,522,721
CALPINE NATURAL GAS L.P. 0 4,939,818
GRUY PETROLEUM MANAGEMENT CO. 0 891,921
WAGNER & BROWN, LTD. 0 68,770,467
O. C. R. INVESTMENTS, INC. 0 0
DORAN, W. H., JR. 0 0
WHITE OAK OPERATING COMPANY LLC 0 4,092,903
PARKER & PARSLEY DEVELOPMENT L.P 0 20,446,565
COMSTOCK OIL & GAS, LP 0 35,764,164
TRANSCON ENERGY CORPORATION 0 0
NEWGULF PETROLEUM, LLC 0 0
BRIDGE OIL COMPANY, L. P. 0 4,390,261
ARUBA PETROLEUM, INC. 0 1,072,871
TEG PRODUCTIONS 0 3,273
WORLD ENERGY CORPORATION 0 52,784
SALINAS, OSCAR D. 0 0
OCEAN ENERGY, INC. 0 294,290
ANR PRODUCTION COMPANY 0 126,419
DEVON ENERGY CORPORATION(NEVADA) 0 933,813
BELLOWS, DEWEY OPER. CO., LTD. 0 0
DMS OIL COMPANY 0 10,791
NORTH CENTRAL OIL CORP. 0 182,316,324
TEXAS, LES & CO. 0 5,607
PHEFFER OIL, L.L.C. 0 0
POGO PRODUCING COMPANY LLC 0 69,686,406
LOBO OPERATING, INC. 0 113,575
AMAX OIL & GAS INC. 0 4,811,058
ALEGRE ENERGY, INC. 0 151,241
TRANSAMERICAN NATURAL GAS CORP. 0 91,039,774
COX & PERKINS EXPLORATION, INC. 0 202,662
MERIT ENERGY COMPANY 0 2,256,159
LAREDO ENERGY, LP 0 9,064,060
LAS LOMAS SERVICES, LLC 0 0
ELLIOTT OIL & GAS COMPANY 0 352,714
AMERADA HESS CORPORATION 0 10,985,434
CALPINE NATURAL GAS COMPANY L.P. 0 415,986
CACTUS S.W.D. INC. 0 0
FORBES, C. C. COMPANY 0 0
NEWMAN OPERATING COMPANY 0 40,693
HANSON PRODUCTION COMPANY 0 51,581
ESCUDO OIL & GAS, LLC 0 32,269
ENERGY DEVELOPMENT CORP. 0 51,087,210
MIDPAR L.P. 0 6,478,562
COWEN EQUIPMENT 0 0
REEF EXPLORATION, L.P. 0 0
FANION PRODUCTION CO. 0 0
KEY ENERGY OF COLORADO, INC. 0 403,489
MESQUITE DISPOSAL, LTD. 0 0
CREST RESOURCES, INC. 0 0
JMC RESOURCES CORP. 0 23,667
EEX E&P COMPANY, L.P. 0 1,398,751
KERR-MCGEE OIL & GAS ONSHORE LP 0 25,413,605
MAGNUM PRODUCING & OPERATING CO. 0 45,283
BELLOWS OPERATING CO., L. C. 0 0
FINALY RESOURCES LLC 0 0
SEQUOIA MANAGEMENT II, LLC 0 9,302
NEWFIELD EXPLORATION COMPANY 0 40,855,485
DOLPHIN PETROLEUM 0 149,527
CHESAPEAKE OPERATING, INC. 0 322,204,667
UNIVERSE OIL & GAS, INC. 0 191
PLAINS EXPLORATION & PROD. CO. 0 5,517,234
LOBO ENERGY, INC. 0 12,936
XTO ENERGY INC. 0 41,820,630
MISSION RESOURCES CORPORATION 0 0
DAVIS SOUTHERN OPERATING CO LLC 0 18,343
DALE OPERATING COMPANY 0 312
CRIMSON EXPLORATION OPER., INC. 0 7,379,538
ARGENT ENERGY (US) HOLDINGS INC. 0 2,571,642
EP ENERGY E&P COMPANY, L.P. 0 4,644,167
POGO PRODUCING COMPANY 0 64,558,907
THORP PETROLEUM CORPORATION 0 2,492,983
CALPINE NATURAL GAS COMPANY 0 857,018
PINTAIL PRODUCTION CO., INC. 0 411,418
FALCON PRODUCTION CO. 0 31,934
EMBARK ENVIRONMENTAL HLDGS., LTD 0 0
GECKO OIL & GAS, INC. 0 17,442
NORGAS ENERGY 0 0
COASTAL OIL & GAS CORPORATION 0 103,186,522
PIONEER NATURAL RES. USA, INC. 0 41,143,685
MCCABE, J. C. 0 0
JIM WELLS SWD, INC. 0 0
SATCO, INC. 0 0
BAY ROCK OPERATING COMPANY 0 0
WINDRUSH OPERATING CO., L.L.C. 0 3,673
HAYES OIL & GAS CO. 0 82,303
KEY ENERGY SERVICES,INC GCD 0 0
SAFARI PRODUCTION COMPANY, INC. 0 36,768
JAMES ENERGY CORPORATION 0 0
DEVON LOUISIANA CORPORATION 0 88,020
SAMSON HYDROCARBONS COMPANY 0 23,205
KAISER-FRANCIS OIL COMPANY 0 543,397
HAWN BROTHERS COMPANY 0 2,314,992
NORDSTRAND ENGINEERING, INC. 0 8,204
RICOCHET ENERGY, INC. 0 65,749,143
BLACK BEAR OIL CORPORATION 0 145,999
ENDEAVOR NATURAL GAS, LP 0 385,579
OXY USA INC. 0 12,248,694
MARQUEE CORPORATION 0 295,098
DOMINION EXPL. & PROD., INC. 0 119,003,471
VENTUM OIL AND GAS, LP 0 106,382
DAVIS ASSET MANAGEMENT, INC. 0 244,955
MUELLER EXPLORATION, INC. 0 792,486
MONTECRISTO EXPLORATION, INC. 0 0
ARCO OIL & GAS CO. 0 0
EL PASO E&P ZAPATA, L.P. 0 53,127,976
SANCHEZ-O'BRIEN OIL & GAS CORP. 0 6,797,408
ASCEND OIL & GAS, L.L.C. 0 0
RLU OPERATING, LLC 0 233,761
CONTINENTAL EXPLORATION, L.L.C. 0 201,951
KLEINER,C.J.EST.-TURNER & FISKE 0 0
BFS PRODUCTION CO., INC. 0 0
TESORO E&P COMPANY, L.P. 0 3,536,557
MANSFIELD, NORMAN H. 0 0
COLLINS & WARE, INC. 0 96,888
BLUESTONE NATURAL RESOURCES, LLC 0 498,119
MOBIL PRODUCING TX. & N.M. INC. 0 5,363,916
HUGHES, DAN A. COMPANY 0 13,804,643
J & R CONTRACTORS 0 19,834
HOLMES OIL, INC. 0 0
MOHICAN OPERATING, L.L.C. 0 71,652
GEONATURAL RESOURCES, INC. 0 249,877
SANDEL OPERATING COMPANY 0 126,006
KEY ENERGY SERVICES, LLC 0 0
BETTIS, BOYLE & STOVALL 0 424,323
BDR ENERGY CORPORATION 0 0
CLIFFWOOD PRODUCTION CO. 0 301,902
WAGNER, DUER & CO. 0 1,301,742
THRASH OIL & GAS CO. 0 0
ACOCK/ANAQUA OPERATING CO., LC 0 176,077
RED BULL OIL AND GAS CO. 0 0
FORZA OPERATING, LLC 0 2,714
TRANSTEXAS GAS CORPORATION 0 456,686,849
YATES OPERATING CORP. 0 0
ENRON OIL & GAS COMPANY 0 296,875,196
TORCH OPERATING COMPANY 0 5,705,129
FROST, KENNETH OIL & GAS INC. 0 129,346
CONTINENTAL OPERATING CO. 0 726,890
BURK ROYALTY COMPANY 0 447,399
BFD ENERGY CORPORATION 0 241,896
DYNAMIC PRODUCTION, INC. 0 19,229,349
BASIC ENERGY SERVICES, L.P. 0 0
NATURAL RESERVES GROUP, INC. 0 9,490
SMITH OPERATING AND MGMT CO. 0 1,486,441
SANCHEZ OIL & GAS CORPORATION 0 3,881,579
SOVEREIGN ENERGY 0 5,495
EAGLE OIL & GAS CO. 0 3,457,089
W&S OILFIELD SVC & EQUIPMENT INC 0 0


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