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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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
B. M. T. - FNB 0 1,112,861
GABRIEL FLORES 0 645,830
MARTINEZ 0 1,299,302
SANCHEZ, J. M. EST. 0 12,016
BENAVIDES-STATE GU 0 5,401,146
GARZA D GAS UNIT 0 3,569,879
MARTINEZ, L. 0 2,364,859
SINGER GAS UNIT 0 3,808,523
BRIONES, J. E. B 0 435,532
GARZA, LUISA B. 0 2,077,011
URIBE 0 6,433,939
MCASKILL 0 14,322,454
STATE-CUATRO CATTLE-CASSIN UNIT 0 431,935
CARILLO-PENA UNIT NO. 1 0 0
GUERRA L 0 13,839,916
VASQUEZ-PENA-HAYNES 0 4,759,886
MENDOZA 0 12,832,769
CUELLAR, F 0 4,736
GUTIERREZ, HIGINIO 0 179,131
JACOBA VILLARREAL ESTATE 0 72,714
VELA, HUMBERTO 0 0
MUZZA, G. P. 0 108,355,916
DE MARTINEZ - URIBE GAS UNIT 0 309,584
HAYNES 0 85,057,323
KING-GUTIERREZ GAS UNIT 0 608,250
VELA-SMITH GAS UNIT 0 1,626,716
PUIG KING GAS UNIT 0 1,612,754
DOMINGUEZ, ET AL 0 44,498
HINNANT 613 0 691,338
LAS OVEJAS-STATE 0 5,318,785
VILLARREAL, B. GU 0 39,648
RAMIREZ, JULIAN 0 209
EL REFUGIO AD 0 1,232,421
LEONARDO-GUTIERREZ GAS UNIT 0 2,720,130
WORLEY, R. J. 0 202,662
RAMON, BELIA ET AL 0 1,954,830
ALEXANDER, CHARLES 0 8,106,183
FLORES, CARMEN 0 53,500
M. G. GARZA GAS UNIT 0 1,008,320
RODRIGUEZ GAS UNIT 0 27,540,729
MARSHALL, S.G. 0 12,718,344
SALINAS-RAMIREZ GAS UNIT 0 3,447,260
BENAVIDES, BELA R. B 0 1,408,979
GARCIA, SALVADOR G 0 4,051,489
MARTINEZ, E. C. 0 1,418,901
SERAPIO VELA E 0 6,798,386
BOOHER ET AL 0 1,871,648
GARZA, L. B 1-C 0 4,640
TREVINO, ET AL UNIT 0 179,379
MARTINEZ, T. RANCH 0 0
SOLIS 0 385,579
BUSTAMANTE G. U. 0 3,278,643
GONZALEZ, RUBEN 0 4,971,307
VASQUEZ DE PENA 0 920,974
MCMURREY- TALBERT 0 248,349
CUELLAR G.U. 0 1,841,972
GUTIERREZ HEIRS 37 0 9,955,090
J. G. BENAVIDES GAS UNIT 0 4,048,387
VELA, BOBBY 0 1,480,018
MORALES ET AL 0 5,909,716
DASQUEZ, ROMEO J. 0 465,408
GUTIERREZ, MOBIL H. 0 455,502
JUAN RAMIREZ GAS UNIT 0 497,740
VELA-ALEXANDER GAS UNIT 0 4,400,357
PALMYRA MINERALS, LTD 0 2,384,295
DODIER, J. O. 0 2,613,679
HEIN, LUZ A. 0 140,653
LALAJITA RANCH 0 0
VIELMANN 0 2,558,749
RAMIREZ, D. 0 723,386
EL CLARENO 0 16,172,911
LAUREL-LAS OVEJAS-STATE GAS UNIT 0 484,608
WHITTIER 0 10,137,989
RAMIREZ, RAMIRO 0 1,092,305
ABELINO 0 1,361,690
FELIX RAMOS 0 120,119
LOPEZ, J. M. 0 558,879
ZACHRY, E.B 0 29,083
RAUL VOLPE HEIRS 0 169,212
ANTONIO MARTINEZ ET AL A GU 0 1,565,183
FULBRIGHT, J. E. UNIT G 0 7,230,420
S. G. MARSHALL 0 1,299,941
BENAVIDES STATE GU 0 933,468
GARCIA, CATARINO ET AL 0 972,213
MARTINEZ, ADELA M. ET AL 0 3,638,542
SANTA MARIA 0 3,924,006
BMT FNB 0 244,893
GARZA, AMERICA ET AL 0 445,484
MARTINEZ, MERCURIO ET AL 0 344,717
SLATOR RANCH S 0 383,336
BRUNI MINERAL TRUST A-A 0 1,913,253
GONZALES, HORACIO 0 1,772,057
URIBE, ROGELIO A 0 608,056
MCCANN, CATALINA L. 0 5,804
TAYLOR, J. AUSTIN 0 0
CHEVRON H GUTIEREZ 0 1,810,945
GUEVARA A (LA ROCA) 0 985,550
VELA B 0 1,295,821
MERCURIO MARTINEZ ET AL UNIT A 0 3,424,437
CUELLAR, J. VELA 0 2,008,983
GUTIERREZ, J.M. 0 2,422,002
JENNINGS RANCH C 0 78,987,212
VELA, ROBERTO 640 ACRE GAS UNIT 0 165,612
OLD ZAPATA DEEP GAS UNIT 0 3,898,277
DELOZEIS FAMILY TRUST 0 280,566
HAYNES ESTATE 0 686,967
LA PERLA 0 336,683,016
VERGARA, J. B. 0 321,267
RAMIREZ B 0 3,454,575
DONATO SERNA GU 0 0
LAUREL, F D A 0 547,475
VIOLETA RANCH 0 10,256,563
RAMIREZ, M. R. 0 16,191,775
3-D RANCHES 0 9,238,099
ESPERANZA 0 13,896,205
LOPENO D 0 385,753
YZAGUIRRE, D. HEIRS 0 3,168,035
RANGEL 0 525,339
ALFONSO 0 48,452,942
FLORES, RUBEN MINERAL 0 922,474
MANN, E. E. TRUST ETAL 0 972,469
AVELINO GUERRA GAS UNIT NO.2 0 291,883
G.S.A. 0 0
MARTIN-SANCHEZ UNIT 2 0 1,483,042
SANCHEZ, CARMEN D. HEIRS 0 2,252,487
BENAVIDES, JUAN G. 0 673,133
GARZA D G. U. 1 0 19,222
MARTINEZ, L 0 82,902
SINGER B 0 1,463,873
BRIONES, J. E. 0 1,026
GARZA, LAURO 0 12,811,306
U.S.A. GAS UNIT NO. 1 0 2,465,984
MC GRATH 0 3,080,299
STATE- CUATRO CATTLE COMPANY 0 29,027
CANTU, A. 0 0
GUERRA L 0 10,922
VASQUEZ, ROMERO J. 0 337,146
MEDINA/LOZANO 0 0
GUTIERREZ, HECTOR MARIO 0 186,976
JACOBA A 0 1,275,441
VELA, HERMINIA C. ET AL 0 0
MUNOZ-GUTIERREZ GAS UNIT 0 5,448,578
DE LOS SANTOS GAS UNIT 1 0 9,002,775
HARALSON BEEFMASTERS, LTD. 0 970,476
KING, AL DR. 0 768,840
VELA-SMITH G.U. 0 68,330
PROVIDENCIA RANCH A 0 593,681
DOMINGUEZ, D. B. A 0 0
HINNANT 307 C 0 594,529
LAS CLAVELLINAS RANCH 36 0 4,728,898
VILLARREAL TRUST 0 0
EL REFUGIO 0 3,158,242
LEONARDO GUTIERREZ G. U. 2 0 0
WORLEY GAS UNIT 0 9,407,254
RAMON, A. C 0 0
ALEXANDER ET AL 0 975,047
FLORES 0 3,231,997
M. G. GARZA G. U. 0 1,734,342
ZAPATA TOWNSITE GU 5 0 4,253,037
RMT C 0 519,874
MARSHALL, S. G. ET AL 0 163,785
SALINAS, OCTAVIO GAS UNIT 0 2,053,041
BENAVIDES, B.R. A 0 476,390
GARCIA, SALVADOR F 0 592,093
MARTINEZ, B.M. 0 2,393,948
SERAFIN URIBE 0 261,528
BMT/K&H M 0 0
GARZA, L. 5 0 546,545
TREVINO, E., ET AL 0 0
MARTINEZ, S. C 0 14,740
SNOWMASS INC. 0 543,204
BUNCH, ROY 0 189,105
GONZALEZ, JOSE ET AL 6 0 0
VASQUEZ - URIBE A GAS UNIT 0 729,439
MCMURREY, WM. 0 63,372,449
CUELLAR -B- 0 0
GUTIERREZ HEIRS 0 7,401,824
IRENE 0 5,956,892
VELA, ANTONIO 0 4,252,318
MORALES 0 1,999,319
DAISY 0 3,392,885
GUTIERREZ, JOSE CLEMENTE A 0 1,101,109
JUAN DE DIOS 0 3,870,186
VELA, SERAPIO HEIRS GU C LSE 0 633,100
PALMYRA MINERALS LTD. 0 1,813,863
DODIER C 0 0
HEIN, A.O. 0 3,724,462
LA SOLEDAD 0 2,198,345
VIEJA, LOMA 0 1,662,436
EDWARD CASSIN A 0 2,790,761
LAUREL, SERGIO 0 5,549,748
WHITE, J.H. 0 5,992,272
RAMIREZ, R.A. GU 0 753,790
ABEL VELA-STATE GAS UNIT 0 4,100,987
FELICIDAD 0 5,831,160
LOPEZ, H. 0 659,164
ZACHRY, E. B. 0 17,078,522
RATHMELL-ALEXANDER GAS UNIT 0 4,802,904
ANDREWS UNIT 0 6,284,542
FULBRIGHT, J. E. ET AL FEE 0 490,777
RUFINO ZAPATA GAS UNIT 0 0
BENAVIDES MINERAL TRUST 0 5,767,103
MARTINEZ, ACELA 0 3,483,379
SANCHEZ-SAN FERNANDO MIN. GU 0 667,087
BMT - FNB 0 162,130
GARZA, AMANDO TRUST 0 3,758,568
MARTINEZ, MERCURIO 0 1,352,655
SLATOR RANCH C 0 1,087,855
BRUNI MINERAL TRUST 15 0 2,506,592
GONZALES P. GAS UNIT 0 56,874
URIBE, P. 0 21,067
MCCANN, C.L. 0 662,986
TAYLOR 0 0
CHARGOS CREEK D 0 0
GUERRA-SAENZ 0 582,301
VELA - SMITH GAS UNIT 0 0
MERCURIO MARTINEZ ET AL UNIT 0 3,245,426
CUELLAR, J. V. 0 2,949,771
GUTIERREZ, J. M. C 0 6,182,885
JENNINGS RANCH B1 0 1,878,440
VELA, ROBERTO 0 10,501,410
OCTAVIO SALINAS GAS UNIT 0 507,823
DELOZEIS A 0 1,478,108
HAYNES EST. 0 0
LA DUQUESA 0 442,858
VERGARA, G.B. ET AL 0 7,384,561
RAMIREZ A 0 308,911
DONATO SERNA 0 77,928
HINOJOSA 0 1,658,356
LAUREL O M ESTATE 0 0
VILLERREAL 0 482,742
RAMIREZ, M. GAS UNIT 0 1,261,240
ESCOBAS SWD 0 0
LOPENO B 0 1,057,788
YZAGUIRRE J. 0 489,623
RANCHO NUEVO 0 26,788,695
ALEXANDER-SAENZ GAS UNIT 0 606,325
FLORES, ROSA G. 0 1,734,412
MANN, E. E. TRUST ET AL 142 0 1,324,758
ASCHE 0 159,665,526
G.B.L. 0 2,035,439
MARTIN-SANCHEZ G.U. NO. 1 0 125,555
SANCHEZ, ANTONIO 0 0
BENAVIDES, J.G. UNIT 0 453
GARZA B 0 0
MARTINEZ, IMELDA 0 150,652
SINGER ANDERS GAS UNIT 0 1,525,131
BRIONES, E.L. 0 3,437,827
GARZA, L.2 0 588,207
U.S.A. GAS UNIT 2 0 4,190,464
MATLES 0 38,772
STATE TRACT M88890 0 48,294
CANTU 0 728,351
GUERRA M 0 4,989,136
VASQUEZ, ROMERO ET AL 0 0
MEDINA, B. 0 0
CUELLAR UNIT 0 41,710
GUTIERREZ, EMILIA FLORES 0 85,273
JACOBA 0 7,846,758
VELA, G.O. ET AL A 0 2,908,149
MUNOZ, FERNANDO 0 15,950,793
DE LOS SANTOS 0 2,586,159
HARALSON BEEFMASTER, LTD 0 156,764
KING B 0 2,478,352
VELA-SMITH G. U. 0 1,143,754
PORRAS GAS UNIT 0 8,368,985
DOMINGUEZ ET AL 0 690,003
HINNANT SUR. 307 0 104,803
LAS CLAVELLINA RANCH 36 0 17,196
VILLARREAL GUTIERREZ GU 0 1,056,124
RAMIREZ, JOSEFA 0 8,117,436
EL PEYOTE MINERAL TRUST 0 42,428,938
LEONARDO 0 57,780,661
WORLEY 0 4,710,859
RAMON, A. B 0 22,301
ALEXANDER A 0 6,689,968
FGG RANCHES 0 4,643,084
M. FLORES 0 1,455,715
ZAPATA TOWNSITE 4 GAS UNIT 0 705,428
RMT 38 0 1,153,090
MARSHALL, S. G. 0 45,496,254
SALINAS, G.G. 0 355,656
BENAVIDES, B.R. 0 6,411,079
GARCIA, SALVADOR E 0 4,279,261
MARTINEZ, B. M. 0 707,827
SERAFIN SAENZ UNIT 0 0
BMT/K&H 0 8,628,747
GARZA, L. 4 0 546,662
MARTINEZ, S. A 0 905,738
SNAVELY GAS UNIT 6 0 393,376
BRUNI-HEIN GAS UNIT 0 895,898
GONZALEZ, JOSE ET AL 6 0 161,538
VASQUEZ 0 305,666
MCMURREY, WM 0 493,007
THOMASMA, RAY J. D 0 1,917,815
CUELLAR -A- 0 0
GUTIERREZ ET AL 0 3,314,617
IKA RAMIREZ (A. GONZALEZ, JR) 0 30,437
VELA, ADRIAN 0 11,206,197
MOLLETES CREEK GU 0 667,629
D. RAMIREZ GAS UNIT 0 0
GUTIERREZ, J.M.C. 0 1,357,895
JOSEFA 0 104,959
VELA, SERAPIO HEIRS GU C 0 1,357,552
PALMYRA MINERALS LTD 0 2,962,870
DODIER B 0 0
HEIN, A. O. 0 847,062
LA ROCA SWD 0 23,667
VIDAURRI-STATE GAS UNIT NO. 2 0 21,200,958
RAMIREZ, ABEL 0 15,454,964
EDWARD CASSIN 0 6,634,595
LAUREL, S. L. 0 348,841
WHITE, J. H. 0 437
RAMIREZ, R. A. GU 0 0
ABEL RAMIREZ 0 176,533
FALCON LAKE 0 154,538
LOPEZ, C.V. ESTATE 0 12,004
ZACHRY E. B. 0 6,350,644
RATHMELL, J.G. 0 29,859,882
ANDREWS 0 264,660
FULBRIGHT, J. E. G 0 13,547,895
RUBEN FLORES MINERALS, LTD 0 748,808
BENAVIDES - STATE GU 0 1,383,396
MARTINEZ, A. UNIT 0 3,448,705
SANCHEZ-MCMURREY 0 18,732,201
BMT 0 804,822
GARZA, AMANDO 0 0
TREVINO B 0 2,079,518
MARTINEZ, MERCURCIO ET AL 0 1,631,738
SLATOR RANCH B 0 1,877,935
BRUNI MINERAL TRUST -B- 0 0
GONZALES BENAVIDES TRUST 0 1,416,959
URIBE, I.C. GU 0 212,225
MCCANN, C. L. 0 1,433,287
TALBERT, MM ESTATE 0 2,204,473
GUERRA-RAYMOND GAS UNIT 0 675,696
VELA - GUERRA UNIT 0 596,016
MERCURIO 0 5,919,470
CUELLAR, HESIGUIO 0 1,066
GUTIERREZ, J. M. B 0 5,807,061
JENNINGS RANCH B 0 2,575,908
VELA, OSCAR 0 512,551
OCTAVIO 0 0
DELOZEIS 0 0
HAYNES E 0 3,513,278
L.F.T. 0 1,076,277
VERGARA, G.B. 0 86,246
RAMIREZ 0 4,111,186
DON JOSE LAND AND CATTLE CO. LTD 0 2,089,522
HINNANT-FULBRIGHT J GAS UNIT 0 484,853
LAUREL MINERAL ESTATE 0 18,664,268
VILLARREAL-ZAPATA GAS UNIT 0 3,966,006
RAMIREZ, M. 0 253,221
LOPENO A 0 592,930
YZAGUIRRE DE LOS SANTOS, F. 0 7,153
RANCHITO TANK GU 0 2,550,938
ALEXANDER-MANDEL 0 3,155,624
FLORES, R.G. ET AL 0 522,251
MANN, E. E. TRUST ET AL 0 157,007
ARNULFO MARTINEZ ET AL GAS UNIT 0 1,667,097
G. S. A. 0 0
MARTIN, J.C. ET AL 0 7,474,520
SANCHEZ ET AL G.U. 0 1,254
BENAVIDES, J.G. 0 0
GARZA 0 8,091,770
MARTINEZ, G. 0 41,345,411
SINGER A 35 0 316,534
BRIONES, E. L. 0 904,388
GARZA, L. RE-ENTRY 0 815,447
TRUJILLO-FLORES UNIT 0 23,696
MARTINEZ-VIDAURRI UNIT 0 167,735
STATE TRACT M80131 0 5,390,000
CANALES 0 58,479,753
GUERRA L 0 16,996,135
VASQUEZ, ROMEO J. B 0 613,682
MECON. J. W. 0 3,661,146
CUELLAR TRUST GU 0 1,356,967
GUTIERREZ, E.E. 0 1,789,020
J.O.D. 1 0 2,308,916
VELA, G. O. ET AL A 0 2,970,873
MUNOZ - GUTIERREZ GAS UNIT 0 224,176
HARALSON 0 0
KING B 0 3,126,206
VELA-LOPENO MINERALS LTD. 0 0
PHELPS-NEBLETT 0 1,023,266
DOMINGUEZ A 0 202,281
HINNANT SUR 307 0 1,329,833
LAS AVISPAS RANCH 40 0 714,577
VILLARREAL GUTIERREZ GAS UNIT 0 1,263,605
RAMIREZ, JOSE EST. E 0 869,713
EL PATON 0 1,347,887
LEONARD 0 0
WILLARS 0 0
RAMON C 0 260,732
ALEXANDER 0 8,549,591
FERNANDO MUNOZ GAS UNIT 3 0 2,907,145
LUNDELL B 0 3,202,321
ZAPATA TOWNSITE 0 5,364,700
RMT C 0 4,257,361
MARSHALL, M.L.E.I; S.G. 0 911,768
SALINAS, G. G. 0 3,646,747
BENAVIDES, B. R. 2 0 1,380,343
GARCIA, SALVADOR D 0 2,123,737
MARTINEZ, ANTONIO ET AL UNIT A 0 0
SERAFIN 0 2,865,988
BMT-MARTIN B 0 865,482
GARZA, L. 2 0 3,953
TREVINO, E. 412 0 0
MARTINEZ, S. 0 915,480
SNAVELY GAS UNIT 5 0 637,968
BRUNI, L. E. 0 608,550
GONZALEZ, HORACIO 0 513,196
VARELA 0 284
MCMURREY, WILLIAM 0 683,256
THOMASMA, RAY J. C 0 801,299
CUELLAR G 0 0
GUTIERREZ 37 0 2,110,068
I. C. URIBE GU 0 461,102
VELA, ABEL-STATE GAS UNIT 0 2,737,239
MOLLETES CREEK GAS UNIT 0 192,722
CUELLER, F. EST. 0 0
GUTIERREZ, J.M.B. 0 119,014
JOSE, DON GAS UNIT 0 162,039
VELA, SERAPIO HEIRS GU D 0 3,301,437
PALMYRA B 0 29,021,848
DODIER A 0 8,721,014
HAYNES-NORTH 0 19,251,616
LA PERLA B2 0 11,276,832
VIDAURRI-STATE GAS UNIT 3 0 2,839,388
RAMIREZ, A 0 1,134,361
EDC-LOPEZ 0 1,124,852
LAUREL, OSCAR M. 0 708,086
WHITE 0 3,142,220
RAMIREZ, R. 0 607,036
A. URIBE HEIRS 0 242,615
FALCON GAS UNIT 0 5,222,857
LOPEZ, ALONZO 0 466,271
ZACHRY 0 3,948,018
RATHMELL, J. G. 0 46,053,214
AMOCO FEE 0 11,104,801
FULBRIGHT, J. E. 0 1,078,706
BENAVIDES A 0 14,323,345
GARCIA, A. ET AL GAS UNIT 0 4,940,190
MARTINEZ, A. GAS UNIT 0 3,779,565
SANCHEZ-MCMURRAY 0 704,472
BLANCA AURORA SALINAS A 0 44,994
GARZA, A. B 0 0
TREVINO B 0 9,468,486
MARTINEZ, MERCUIRO 0 465,553
SLATOR RANCH AC 0 0
BRUNI MINERAL TRUST D 0 0
GONART INVESTMENTS ET AL 0 635,504
URIBE, I. C. 0 836,963
MCCAMPBELL, E.A. 0 1,431,912
TALBERT A 0 344,756
CAVAZOS 0 31,650,975
GUERRA-RAYMOND 0 4,112,141
VELA C 0 978,375
MENDOZA, H. 0 0
CUELLAR, FERNANDO ESTATE 0 0
GUTIERREZ, J. M. A 0 7,620,376
JENNINGS RANCH AA 0 33,815,375
VELA, L. G. 0 17,880
O. M. LAUREL ESTATE 0 0
DELOS SANTOS, MARCELA B 0 120,327
HAYNES - NORTH 0 5,713,752
L. GARZA ESTATE 0 1,158,028
VERGARA, G. B. ET AL 0 5,201,825
R.M.T. 0 1,605,467
DON JOSE LAND & CATTLE CO., LTD 0 769
HINNANT, L. A. ET AL -G- 0 134,447
LAUREL GAS UNIT NO. 2 0 1,189,412
VILLARREAL-ZAPATA 0 757,384
RAMIREZ, LTD 0 0
ESCAMILLA 0 1,125,479
LOPENO 0 0
YZAGUIRRE - LEO GAS UNIT 0 4,288,296
RANCHITO TANK GAS UNIT 0 1,287,019
ALEXANDER, MAUREEN 0 8,732,622
FLORES, M. 0 1,666,456
MANN, E & E TRUST 0 693,854
RUBEN FLORES MINERALS LTD GU 0 747,351
G. MARTINEZ TRUST GAS UNIT 0 3,346,137
MARTIN, J.C. 0 4,020,483
SANCHEZ - MCMURREY 0 0
BENAVIDES, J. G. GAS UNIT 0 699,751
GARCIA-VASQUEZ, R.J. 0 1,073,763
MARTINEZ, FELIPE ET AL 0 11,613,320
SINGER A 0 806,337
BRAVO, J.E. UNIT 0 19,804
GARZA, L. ET AL ESTATE OF 0 5,192,693
TRUJILLO 0 25,986
MARTINEZ-VELA G.U. 0 1,825,974
STATE TRACT M-99142 0 917,855
BUSTAMANTE, J. 0 0
GUERRA 0 5,713,560
VASQUEZ, ROMEO J. B 0 102,409
MECON, J. W. 0 1,745,583
CUELLAR TRUST A GU 0 1,725,823
GUTIERREZ, E. E. 0 8,658,834
J.O.D. 0 10,244,595
VELA, G. O. 0 915,420
MUNOZ 0 20,015,771
DE GRACIA HEIRS 0 1,520,558
GUTIRREZ, J. M. C 0 0
KILLAM MINERAL FEE 16 0 0
VELA-LOPENO MINERALS LTD 0 3,350,197
PEREZ, F.R. 0 4,321,611
DOMINGUEZ 0 4,899,154
HILARIO, DON A 0 6,185,050
LAS AVISPAS RANCH 39 0 1,851,924
VILLARREAL 0 43,140,733
RAMIREZ, J.S. 0 0
EL MILAGRO BAJO B 0 0
LEO GAS UNIT 0 493,810
WHITTIER, L. ESTATE 0 2,418,421
RAMON B 0 819,859
ALEJO BENAVIDES 0 488,314
FERNANDO MUNOZ GAS UNIT 0 4,931,711
LUNDELL B 0 811,245
ZAPATA SWD 0 0
RMT A 0 878,169
ARMSTRONG 0 0
MARSHALL, M.L.E.I.; S.G. 0 1,448,021
SALINAS G.U. 0 6,280,141
BENAVIDES, B. R. A 0 1,081,133
GARCIA, SALVADOR C 0 2,001,632
MARTINEZ, ANTONIO ET AL UNIT 0 667,577
SCHROEDER, ALDA ET AL 0 1,491,234
BMT-MARTIN A 0 3,034,280
GARZA, L. 0 38,356,995
MARTINEZ, S B 0 261,407
SNAVELY GAS UNIT 4 0 71,948
BRUNI RANCH 0 38,393,686
GONZALEZ, GRACIELA 0 157,803
VARAL RANCHES 0 7,719,700
MCMURREY, W.M. 0 940,949
CUELLAR D 0 0
GUTIERREZ -C- 0 158,675
HUMBERTO 0 0
VELA, A. M. 0 475,590
MOLLETES CREEK A GU 0 819,226
CUELLAR-GRAVES GAS UNIT 0 639,082
GUTIERREZ, J.M.A. 0 121,244
JOSE CLEMENTE GUTIERREZ A 0 75
VELA, SERAPIO HEIRS GU C 0 536,981
PALMYRA A 0 635,681
DIEGO GUTIERREZ, ET AL GAS UNIT 0 2,725,865
HAYNES-HINNANT 0 0
LA PERLA B1 0 7,062,273
VIDAURRI, R. ETAL 0 2,889,091
RAMIREZ SWD 0 0
E. E. GUTIERREZ 0 1,610,197
LAUREL, O.M. ESTATE 0 0
WELCH, ROBERT A. FOUNDATION 0 1,025,730
RAMIREZ, OSCAR 0 35,848
A. MARTINEZ UNIT 0 6,146,555
F. LEAL 0 1,604,513
LOPEZ, A. 0 0
YZAQUIRRE, J. 0 3,330,083
RATHMELL LAND AND CATTLE CO. 0 1,271,345
AMARGOSO GAS UNIT 0 713,766
FROST NATIONAL BANK 0 2,907
BENAVIDES 0 2,410,796
GARCIA, A. A & B 0 0
MARTINEZ, A. 0 0
SANCHEZ-MARTIN GAS UNIT 2 0 360,878
BIGLER-FLORES GU 0 5,934,550
GARZA, A. 0 22,036,667
TREVINO 0 33,765,726
MARTINEZ, M. DE 0 2,191,853
SLATOR RANCH D 0 4,775,258
BRUNI MINERAL TRUST 0 6,342,224
GOMEZ 0 1,668,912
URIBE, H. 0 925,230
MCCAMPBELL, E. A. 0 231,091
SWANTNER,G.R. 0 556,116
CASSIN, EDWARD A 0 1,224,627
VELA B 0 1,773,805
MENDOZA, E.G. GAS UNIT 0 2,224,905
CUELLAR, FERNANDO EST. 0 1,603,527
GUTIERREZ, J. M. C 0 10,002,919
JENNINGS RANCH A 0 22,910,624
VELA, L. E. 0 487,669
NOBLE - ESTATE OF ISRAEL GARCIA 0 0
DEGARZA 0 11,406,882
HAYNES - EAST 0 92,033
L. GARZA B 2 0 1,895,615
VERGARA, C.B. ET AL 0 810,744
R. M. T. 38 0 0
DON JOSE LAND & CATTLE CO. LTD. 0 323,293
HINNANT, L. A. H ET AL 0 535,269
LAUREL GAS UNIT 0 806,118
VILLARREAL-GUTIERREZ UNIT 0 1,034,382
RAMIREZ, L.O. A 0 1,425,992
ERM 0 650,883
LONGLORIA, M. T. 0 0
YZAGUIRRE - LEO GU 0 0
RANCHITO B GAS UNIT 0 5,041,802
ALEXANDER, M.M. NCT B 0 432,600
FLORES, M 0 0
MANN TRUST ET AL 0 151,705
RUBEN FLORES MINERALS LTD B 0 0
G. MARTINEZ 0 9,375,250
MARTIN, J. C. ET AL 0 8,617,041
SAN MARTIN 0 1,168,451
BENAVIDES, C.Y. 0 1,418,536
GARCIA-MALDONADO GAS UNIT 0 292,323
MARTINEZ, EUDOXIO UNIT 1 0 224,993
SINGER 0 3,414,679
BRAVO, J. E. 0 540,847
GARZA, L. ESTATE OF ET AL 0 1,085,149
TREVINO,A. 0 11,329,530
MARTINEZ-URIBE 0 783,863
STATE ROBERTO VELA G.U. 0 2,825,402
BUSTAMANTE, A. 0 0
GUADALUPE RANCH,LTD 0 483,220
VASQUEZ, ROMEO J. 0 8,151,114
MECOM. J. W. 0 3,570,968
CUELLAR TRUST 0 1,562,074
GUTIERREZ, E. 0 4,412,857
J.M. CUELLAR NE 0 106,296
VELA, EULALIA ET AL 0 0
MOSSER, J. H. 0 13,358
DE GARCIA, SARA G. 0 745,888
GUTIERREZ, T. 0 898,193
KILLAM MINERAL FEE 0 124
VELA-LOPENO MINERAL, LTD 0 18,227
PEREZ, F. R. 0 1,081,370
DOLORES GAS UNIT D 0 22,197
HERLINDA 0 0
LAS AVISPAS RANCH 0 1,315,744
VILLAREAL-ZAPATA GU 0 180,611
RAMIREZ, J. S. 0 454,402
EL MILAGRO C 0 0
LEO CUELLAR GAS UNIT 0 2,291,383
WHITTIER, L ESTATE 0 849,237
RAMON A 0 1,774,034
AIDE SANTOS 0 0
FERNANDO MUNOZ G. U. 0 6,654,899
LOZANO 0 579,719
ZAPATA HAWK 0 674,218
RMT 0 25,764,913
ARGENT MINERALS 0 2,050,314
MARSHALL S.G. 0 1,032,808
SALINAS G.G. 0 193,702
BENAVIDES, B. R. 0 15,921,069
GARCIA, SALVADOR B 0 391,523
MARTINEZ, ANTONIO ET AL B 0 633,894
SCHROEDER, ALDA 0 956,329
BMT-FNB 0 3,429,837
GARZA, L 2 0 0
MARTINEZ, RAUL 0 4,819
SNAVELY GAS UNIT 3 0 1,774,861
BRUNI MINERAL TRUST B 0 81,742
GONZALEZ, ALEJANDRO ET AL 0 832,378
VAQUILLAS RANCH LTD 0 2,954
MCMURRAY, WM. 0 0
THOMASMA 0 3,353,390
CUELLAR C 0 0
GUTIERREZ -A- 0 87,673
HORACIO-GONZALEZ 0 1,186,151
VELA, A. 0 3,033,373
MOLLETES CREEK A G.U. 0 119,052
GUTIERREZ, J.M. C 0 5,371,452
JOHNSON, MARY M. TRUST 0 5,994
VELA, SERAPIO HEIRS B 0 6,996,715
PALMYRA 0 71,449,536
DIAMANTINA 40 0 1,233,299
HAYNES-EAST 0 127,163
LA PERLA B 0 7,881,708
VIDAURRI, R. ET AL 0 34,171,531
RAMIREZ MINERAL TRUST A 0 659,406
DYE, JAMES D. 0 823,715
LAUREL, O. M. ESTATE 0 24,255,178
VOLPE, RAUL HEIRS 0 983,930
RAMIREZ, N. G. 0 0
A. GARZA 0 2,531,195
F. G. G. RANCHES 0 5,766,716
LOPEZ MINERAL TRUST G.U. 0 1,162,653
YZAGUIRRE-LEO GAS UNIT 0 15,520,346
RASH, AMANDA 0 0
AMANDO GARZA TRUST 0 5,212,933
FRANCISCO RAMIREZ ET AL GAS UNIT 0 4,547,490
BARROCITO, B.M. 0 9,720,822
GARCIA, A. 0 0
MARTINEZ TRUST 0 207,171
SANCHEZ- MCMURRY 0 769,183
BHCH 0 621,372
GARZA L. B 2 0 155,220
TOMASA 0 164,724
MARTINEZ, M. B. 0 2,458,174
SLATOR RANCH C 0 665,081
GEO-FALCON 0 253,550
URIBE, AURELIANO HEIRS 0 966,654
MCASKILL TR8 0 120,482
SWANTNER, G. R. A 0 653,190
CASSIN, EDWARD 0 9,923,430
GUERRA, R. 0 101,707
VELA 0 14,558,990
MENDOZA, E.G. 0 0
CUELLAR, FERNANDO B 0 1,200,168
GUTIERREZ, J. M. B 0 16,298
JENNINGS RANCH B 0 29,079
VELA, J.M. 0 9,660,002
NEW ZAPATA EAST GAS UNIT 0 10,904,433
DECARREON, G.G. 0 303,635
HAYNES A 0 0
L. GARZA 0 4,068,458
VERGARA 0 5,065,702
R. M. T. 0 2,982,910
DON JOSE LAND & CATTLE CO LTD 0 28,357,471
HINNANT, ET AL N 0 4,297,306
LAUREL F. D. A 0 1,022,921
VILLARREAL-GUTIERREZ GU 0 1,058,813
RAMIREZ, L.O. 0 561,845
EMMA 0 2,473,660
LOMA VIEJA 0 21,888,666
YZAGUIRRE 0 7,048,536
RANCHITO A GAS UNIT 0 3,139,448
ALEXANDER, M.M. 0 0
FLORES, L.G. 0 34,716,772
MANN 0 397,437
ROY JENNINGS 0 510,132
G. G. HINOJOSA 0 9,535,105
MARTIN, J. C. 0 13,703,917
SAN FERNANDO MINERALS LTD 0 0
BENAVIDES, C. Y. 0 858,348
GARCIA, SALVADOR F 0 37,830
MARTINEZ, EUDOXIO GAS UNIT 0 6,302,860
SIETE VELAS 0 1,409,403
BRAVO UNIT 0 6,577
GARZA, L. ESTATE 0 26,941
MARTINEZ-RANGEL G.U. 0 5,320,740
STATE OF TEXAS 0 191
BUSTAMANTE TOWNSITE 0 1,426,964
GUADALUPE 0 480,658
VASQUEZ, ROMEO ET AL 0 307,643
MECOM, LANNIE 0 127,637
CUELLAR LAND & CATTLE LTD ET AL 0 0
GUTIERREZ, CHEVRON R. 0 1,078,876
J. VELA CUELLAR GAS UNIT A 0 949,393
VELA, ENRIQUE 0 1,158
MOSSER, H. J. 0 0
DE GARCIA, JUSTINA B. ET AL 0 15,811
GUTIERREZ, ROMEO 0 967,745
KENEDY-ALONZO GAS UNIT 0 3,927,086
VELA-LOPENO 0 1,636,448
PEREZ A 0 1,232,154
DOLORES GAS UNIT C 0 38,698
HERBST, M.V. 0 26,444,956
LAS AVISPAS 0 2,325,033
VILLAREAL, ROGELIO 0 0
RAMIREZ, J. ESTATE 0 584,548
EL MILAGRO B BAJO (SHALLOW) 0 783,773
LEAL, F. 0 2,879,562
WHITTIER, HELEN COMPANY 0 1,718,987
RAMON 0 3,556,458
ADRIAN, VELA 0 101
FERNANDO MUNOZ 0 3,934,586
LOS MESQUITES 0 6,866,083
ZACHRY, H.B. FEE 0 53,949
RFM LTD A GU 0 43,349
ARCO-MARSHALL, S. G. 0 0
MARSHALL S. G. 0 424,012
SALINAS B 0 1,725,122
BENAVIDES, ALEJO 0 203,652
GARCIA, SALVADOR A 0 2,153,039
MARTINEZ, ANTONIO ET AL A UNIT 0 2,432,250
SARITA, K. 0 720,290
BMT-BARROCITO 0 9,889,501
GARZA, L 0 4,463,692
TREVINO, ALBERTO 0 9,015,056
MARTINEZ, R. 0 3,595,406
SNAVELY 0 4,633,042
BRUNI MINERAL TRUST AB 0 3,738,688
GONZALEZ GAS UNIT 0 950,621
URIBE-MARSHALL GAS UNIT 0 1,108,097
MCLEAN, MARRS 0 0
TEXACO FEE 0 594,338
CUELLAR B 0 0
GUTIERREZ C 0 49,538
VELA GAS UNIT 0 582,322
MOFFATT-ALONZO GAS UNIT 0 4,318,575
CUELLAR, R. 0 0
GUTIERREZ, J.M. B 0 1,780,620
JMV UNIT 0 2,407,345
VELA, SERAPIO HEIRS A 0 195
PALMRYA 0 524,613
DIAMANTINA 0 30,491
HAYNES, LEONARD ESTATE 0 150,783
LA PERLA A1 0 72,948
VIDAURRI, R. 0 8,751,542
RAMIREZ M. V. 0 46,611
DYE, JAMES 0 2,271,500
LAUREL, F.D.A 0 447,311
VOLPE, R. 0 0
RAMIREZ, MARIA V. SWD 0 0
7A INVESTMENTS LTD. GU 0 459,954
F. D. LAUREL 0 0
LOPEZ MINERAL TRUST 0 1,013,578
YZAGUIRRE-LEO 0 3,099,245
RASH 0 1,100,274
AMANDO 0 2,170,769
FLOREZ 0 24,955
BARROCITO, B. M. 0 17,087,920
GARCIA SALINAS PEDERNAL LTD. 0 10,948,153
MARTINEZ SWD 0 1,136
SANCHEZ- MCMURREY 0 744,306
BERNARDO GAS UNIT 0 27,224,382
GARZA L. 0 2,880,456
TOMAS GU 0 695,398
MARTINEZ, M. 0 11,849,796
SLATOR RANCH B 0 2,517,424
BRUNI ESTATE 0 645,665
GARZA-MUNOZ G. U. 0 0
URIBE, A. HEIRS 0 238,120
MCASKILL TR7 0 2,166,103
SWANTNER GAS UNIT 0 4,166,115
CASSIN, E. W. ET AL 0 1,105,735
GUERRA, M. 0 13,268,591
VASQUEZ-URIBE A GAS UNIT 0 2,534,858
MENDOZA, E. G. GU 0 475,429
CUELLAR, FERNANDO A 0 1,753,795
GUTIERREZ, J. M. 0 7,117,283
JENNINGS RANCH B 0 2,127,029
VELA, J. M. 0 12,913,801
NEW ZAPATA EAST G.U. 0 10,333,226
DECARREON, G. G. 0 20,755,123
HAYNES E 0 10,435,801
L & P 0 14,271,689
VERA, SERAPIO HEIRS G.U. D. 0 989,941
R. LOPEZ H 0 0
DON JOSE LAND 0 846,185
HINNANT HEIRS B 0 8,936,652
LAUREAL, O. M. ESTATE 0 0
VILLARREAL, RICARDO 0 2,282,815
RAMIREZ, L. O. A 0 24,034,964
EMILIANO VELA 0 698,558
LFT 0 2,467,543
Y. RAMIREZ GAS UNIT 0 0
RANCHES, F. G. G. 0 1,990,892
ALEXANDER, M. TRUST 0 3,091,779
FLORES, L. G. 0 44,015,884
M.L.S.I.; MARSHALL, S.G. 0 661,254
ROMERO VASQUEZ 0 368,792
G. B. VERGARA 0 486,449
MARTIN, B.M.T. A 0 165,886
SAN FERNANDO MINERALS 0 661,984
BENAVIDES, BELIA R.-B 0 521,527
GARCIA, SALVADOR E 0 247,158
MARTINEZ, EUDOXIO 0 3,761,907
SERNA, DONATO 0 1,890,684
BRAVO G.U. 0 1,377,267
GARZA, L. B 4 0 719,867
TREVINO, J.B. ESTATE -A- 0 344,823
MARTINEZ-RAMIREZ GAS UNIT 0 2,270,826
STATE CUATRO CATTLE A 0 1,132,827
BUSTAMANTE HEIRS 0 1,201,018
GRIMSINGER, LORAINE 0 82,303
VASQUEZ, ROMEO 0 1,258,944
MECOM, J.W. 0 77,577
CUELLAR HEIRS B 0 220,313
GUTIERREZ, B.G. 0 0
J. VELA CUELLAR G. U. B 0 282,030
VELA, EMILIANO 0 1,496,470
MOSS, JOE, UNIT 0 0
DE GARCIA HEIRS 0 592,029
GUTIERREZ, RAQUEL F 0 1,449,222
KENEDY MEMORIAL WEST 0 0
VELA-LOPENA MINERALS 0 282,335
PEREZ A 0 176,488
DOLORES GAS UNIT B 0 139,359
HERBST, M. V. 0 1,495,902
LAPERLA 0 409,894
VILLAREAL, A. 0 54,561
RAMIREZ, J. EST. 0 5,007,228
EL MILAGRO B 0 4,012,577
LAURO-ACELA MARTINEZ B GU 0 1,023,539
WHITTIER GAS UNIT NO. 2 0 3,421,119
RAMIREZ/YZAGUIRRE 0 269,625
ADRIAN EUDOXIO MARTINEZ GU 0 921,889
FERNANDO CUELLAR ET AL GAS UNIT 0 160,492
LOPEZ, RUFINO AND JOSEFA 0 50,725
ZACHRY, H.B. CO. 0 8,806,191
RESENDEZ 0 1,072,965
ARACELI GAS UNIT 0 2,685,480
MARSHALL 0 1,360,388
SALINAS A 0 9,672,535
BENAVIDES TRUST 0 13,544,467
GARCIA, SALVADOR 0 412,425
MARTINEZ, ANTONIO ET AL 0 23,853,189
SANTOS, R. GAS UNIT 0 470,705
BMT MARTIN C 0 662,096
GARZA, FERNANDO DEEP 0 406,505
TREVINO, ALBERT B 0 386,854
MARTINEZ, OMAR 0 653,557
SMITH, A.H. 0 6,264,428
BRUNI MINERAL TRUST AA 0 1,379,245
GONZALEZ ET AL G.U. 0 85,614
URIBE-M DEMARTINEZ GAS UNIT 0 6,023,724
MCGRATH, JOHN J. 0 0
TEXACO (MF) 181 0 22,923
CUELLAR 0 636,958
GUTIERREZ B 0 791,688
VELA ESTATE UNIT 0 2,109,211
MOFFATT, ELZA GUTIERREZ 0 43,825
CUELLAR, MARIA HEIRS 0 153,668
GUTIERREZ, J.M. A 0 24,954,478
JENNINGS, ROY 0 6,059,826
VELA, SERAPIO HEIRS B 0 5,145,840
P. GONZALES GAS UNIT 0 596,164
DEVON GAS FEE 0 1,392,428
HAYNES, LEONARD 0 63,654,225
LA PERLA A 0 690,603
VIDAURRI STATE GAS UNIT #1 0 426,412
RAMIREZ LTD 0 0
DYE, J.D. 0 2,193,958
LAUREL, F.D. A 0 4,159,030
VOLPE, FLORA E. G. DE UNIT 0 1,150,587
RAMIREZ, MARIA V. 0 4,062,639
7-A INVESTMENT, LTD. 0 0
EUDOXIO MARTINEZ UNIT 1 0 6,993,084
LOPEZ FAMILY TRUST A 0 10,856
YZAGUIRRE, RAMIREZ 0 16,684
RAQUEL GUTIERREZ 0 10,681
ALVAREZ GAS UNIT 0 28,181,610
FLORES-CALISHE RANCH 0 525,643
BARROCITO 0 190,370
GARCIA ET AL G.U. 0 26,897
MARTINEZ MINERALS 0 3,114,355
SANCHEZ, J.M. EST. 0 0
BERNARDO BUSTAMANTE G.U. 0 2,627,880
GARZA HEIRS 0 738
TOMAS G.U. 0 136,834
MARTINEZ, LAURO-EUDOXIO GU 0 2,332,558
SLATOR RANCH A 0 4,863,855
BRUNI EST. GU 0 0
GARZA-IRENE GAS UNIT 0 6,371,599
URIBE, A. A. 0 1,742,578
MCASKILL TR5 0 3,654,507
SWANTNER G. R. A 0 2,075,048
CARRILLO, O.P. 0 2,310,325
GUERRA, JTS 0 956,017
VASQUEZ-SHARP-ANDERS GAS UNIT 0 269,745
MENDOZA, E. G. GAS UNIT 0 3,458,202
GUTIERREZ, J. 0 0
JENNINGS RANCH AA 0 468,620
VELA, J. 0 132,946
NEEL, BESS M. 0 4,644,209
DE VELA, AMELIA L. 0 38,894
HAYNES D 0 3,642,047
KRAMER 0 22,686
VELENO RANCH 0 13,203,527
R M T 0 7,024,210
DON JOSE GAS UNIT 0 2,484,897
HINNANT HEIRS 0 14,174,773
LAS PRESAS-GARCIA A 0 1,346,198
VILLARREAL, R. 0 0
RAMIREZ, L. O. 0 4,221,356
ELLIS 0 2,046,378
LEYENDECKER, G.L. 0 5,381,214
WRIGHT-BARRERA GU 0 2,004,685
RAMOS, FELIX 0 17,376,211
ALEXANDER, M. M. B. 0 21,773
FLORES, FRANCISCO J. ET AL 0 0
M.L.E.I.; MARSHALL, S.G. 0 203,957
ROGELIO URIBE A 0 0
FULLBRIGHT, J.E. ET AL 0 0
MARSHALL-URIBE GAS UNIT 0 2,606,051
SAN FERNANDO 0 2,903,601
BENAVIDES, BELIA R. B 0 10,020,738
GARCIA, SALVADOR D 0 2,180,979
MARTINEZ, E.T. 0 5,496,538
SERNA, DONATA 0 1,578,037
BRAVO 0 2,229,426
GARZA, L. B 3 0 121,919
TREVINO, J.B. ESTATE A 0 0
MARTINEZ-ALEXANDER GAS UNIT A 0 411,738
STATE - CUATRO CATTLE COMPANY 0 536,624
BUSTAMANTE GAS UNIT NO. 1 0 309,906
GRACIA, CATARINO ET AL 0 7,593,171
VASQUEZ, DELIA M. 0 3,925,527
MECOM, J. W. (SWD) 0 0
CUELLAR HEIRS 0 1,087,572
GUTIERREZ, B. G. 0 6,880,134
J. VELA CUELLAR 0 1,460,394
VELA, CONSUELO G. 0 1,372,094
MORGENSTERN 0 5,969,350
DE DIOS, JUAN 0 9,576,593
GUTIERREZ, RAQUEL 0 2,041,343
JUANA NCT 0 1,154,515
VELA-CUELLAR, J. GAS UNIT 0 1,318,080
PENA, H.L. 0 1,454,322
DOLORES GAS UNIT A 0 158,685
HEIN-BRUNI GU 0 5,040,028
LANIER-RATHMELL-ALEXANDER G U 0 829,154
VIELMANN-RAMIREZ-MARSHALL G U 0 2,569,658
RAMIREZ, J. EST 0 845,387
EL EBANITO LAND CO., LTD. 0 1,276,348
LAURO LOPEZ 0 0
WHITTIER GAS UNIT NO. 1 0 1,450,688
RAMIREZ-YZAGUIRRE GAS UNIT 0 3,402,134
ADELFA 0 1,102,226
FERNANDO 0 11,875
LOPEZ, RUFINO & JOSEFA 0 5,210,916
ZACHRY, H. B. COMPANY 0 53,055,510
REID, M. 0 0
ARACELI 0 2,799,642
SALINAS 0 2,510,595
BENAVIDES STATE GU A 0 40,617
GARCIA, GEORGE 0 44,734
MARTINEZ, ANTONIO 0 904,769
SANTOS, AIDE 0 0
BMT MARTIN B 0 2,158,500
GARZA, FERNANDO 0 0
TREVINO, ALBERT 0 38,435,404
MARTINEZ, MERCURIO G.U. 0 1,105,490
SMITH, A. H. 0 1,489,599
BRUNI MINERAL TRUST A-D 0 0
GONZALEZ 0 2,789,222
URIBE, SERAFIN 0 1,275,242
MCGRATH B 0 685,987
TESORO-YZAGUIRRE 0 524,746
CORRAL QUEMADO RANCH 0 3,007
GUTIERREZ A 0 0
VELA ESTATE 0 36,688,154
MOFFAT, ELZA GUTIERREZ 0 3,193,861
CUELLAR, MARIA 0 27,951,044
GUTIERREZ, J.M. -C- 0 2,368,982
VELA, SERAPIO HEIRS A 0 0
OSCAR GUTIERREZ ET AL 0 839,057
DERLY RAMIREZ 0 1,579,065
HAYNES, L. EST. 0 250,370
LA PERLA -B- 0 107,735
VIDAURRI MARTINEZ G.U. 0 808,314
RAMIREZ GAS UNIT 0 56,997
DYE, J. D. 0 10,223,836
HORACIO GONZALEZ 0 145,382
LAUREL, F.D. 0 3,534,141
VOLPE, ADAN 0 1,646,069
RAMIREZ, MANUEL RAMOS 0 23,352
3J ZAPATA/MEZA GAS UNIT 0 1,678,136
EUDOXIO MARTINEZ GU 0 466,205
LOPEZ 0 2,839,249
YZAGUIRRE, J. 0 15,930,401
RANGEL, B.M. 0 1,841,138
ALONZO RAMIREZ ET AL GAS UNIT 0 1,684,646
FLORES-CALICHE RANCH 37 0 1,175,249
MARRS MCLEAN 0 126,708
BARBERIO 0 4,260
GARCIA 0 0
MARTINEZ ET AL 0 2,197,403
SANCHEZ, J. M. ESTATES 0 0
BERNARDO BUSTAMANTE G. U. 0 4,713,516
GARZA FAMILY TRUST 0 0
THOMASMA, RAY J. E 0 224,338
MARTINEZ, LAURO-ACELA GAS UNIT 0 248,128
BRIONES, J.E. A 0 16,328,240
GARZA, M.G. GAS UNIT 0 491,997
URIBE GAS UNIT 0 1,253,897
MCASKILL TR4 0 713,087
SULLIVAN-HEIN 0 118,161
CARRILLO, O. P. 0 4,969,420
GUERRA, AVELINO 0 18,561,816
VASQUEZ-SHARP-ANDERS G.U. 0 125,869
MENDOZA UNIT 0 0
CUELLAR, F. EST 0 0
GUTIERREZ, HIGINIO JR. 0 1,131,180
JENNINGS RANCH 0 2,978,614
VELA, HUMBERTO JR. 0 350,280
NEEL, BESS 0 6,833,502
DE TREVINO, I. G. 0 0
HAYNES B 0 16,763,838
KMF 0 0
VELENO 0 14,741,164
R & R RAMIREZ F.P.LTD 0 169,349
DON HILARIO A 0 5,784,685
HINNANT FULBRIGHTA GAS UNIT 0 0
LAS PIEDRAS GAS UNIT 0 0
VILLARREAL, JACOBA ESTATE 0 980,177
ELIZONDO ET AL 0 1,972,084
LEYENDECKER, G. L. 0 27,816,419
WRIGHT-BARRERA G.U. 0 379,366
RAMOS, BALTAZAR ET AL 0 1,537,696
ALEXANDER, M. M. 0 4,287,383
FLORES, ESPERANZA 0 0
M.L.E.I.; MARSHALL, S. G. 0 2,669,183
RODRIGUEZ-STATE 0 279,919
MARSHALL, STANLEY G. ET AL 0 3,648,148
SAN ANTONIO DE LA HUERTA RASH GU 0 0
BENAVIDES, BELIA R. C 0 4,281,928
GARCIA, SALVADOR B 0 1,294,435
MARTINEZ, E.C. 0 6,786,993
SERNA GAS UNIT 0 0
BRASCO RANCH 0 402,072
GARZA, L. B 2 0 983,247
TREVINO, J. B. ESTATE 0 0
MARTINEZ-ALEXANDER GAS UNIT 0 5,174,250
SPEARS, IRENE L. 0 363,880
BUSTAMANTE GAS UNIT 1 0 14,369,229
GONZALEZ-GIL B GU 0 7,733,927
VASQUEZ, DELIA 0 7,410,267
MECOM, J. W. 0 148,866,916
CUELLAR GU 0 131,459
GUTIERREZ UNIT 0 5,491,592
J. O. D. 0 3,708,785
VELA, CONSUELO 0 0
MORALES, ROSALVA DIANA 0 896,595
DE CARREON, G. G. 0 1,724
GUTIERREZ, O. B 0 116,529
JUANA A 0 242,665
VELA-CUELLAR, J. 0 238,092
PENA 0 5,989,123
DOLEN 0 2,317,987
HEIN, LUZ, A ESTATE 0 0
LANIER, S. ET AL 0 2,336,569
VIELMANN-RAMIREZ A 0 1,080,932
RAMIREZ, FREDERICO 0 0
EL EBANITO LAND CO. LTD. 0 21,135
LAURO 0 264,109
WHITTIER GAS UNIT 5 0 16,027
RAMIREZ-YZAGUIRRE 0 129,558
ACELA SAN CRISTOBAL 0 529,203
FERNANDEZ, N. 0 523,180
LOPEZ, LAURO MINERAL TRUST 0 40,143,246
ZACHRY, H. B. CO. 0 3,930,164
RED CREST TRUST 0 2,024,823
ANTONIO MARTINEZ ET AL UNIT 0 3,234,852
FULBRIGHT, J.E. ET AL 0 0
SALDIVAR 0 645,348
BENAVIDES STATE GU A 0 239,101
GARCIA, FINITA 0 72,259
MARTINEZ, ADRIAN GAS UNIT 0 11,492,131
SANTA MARIA MINERALS 0 630,307
BMT MARTIN A 0 2,770,046
GARZA, ANTONIO 0 0
TREVINO, A. 0 10,754,576
MARTINEZ, MERCURIO ET AL UNIT A 0 1,999,329
SMITH AH 0 42,166
BRUNI MINERAL TRUST A-C 0 24,809
GONZALES, P. GAS UNIT 0 1,006,735
URIBE, S. 0 42,559,370
MCGRATH 0 7,910,908
TEPOZAN 0 337,231
COATES, GEORGE H. 0 4,443,332
GUTIERREZ 0 11,312,546
VELA CUELLAR, J. GAS UNIT 0 456,894
MEZA ESTATE UNIT 0 0
CUELLAR, JUAN 0 1,051,407
GUTIERREZ, J.M. C 0 71,193
VELA, SERAPIO E 0 5,306,652
OLEGARIO VILLARREAL HEIRS 0 238,045
DERLY 0 3,795,159
HAYNES, L. 0 174,155,368
LA PERLA B 0 7,264,851
VIDAURRI GAS UNIT 0 2,141
RAMIREZ ET AL GAS UNIT A 0 1,072,864
DYE STATE G.U. 0 7,346,137
HONDA 0 138,165
LAUREL, F. D. A 0 1,093,753
VOLPE BROTHERS 0 4,149,746
RAMIREZ, MANUEL 0 892,385
3J ZAPATA RANCHES 0 243,219
ESTHER RAMIREZ WILLIAMS GAS UNIT 0 1,425,342
LOPENO F 0 136,000
YZAGUIRRE, J 0 793,264
RANGEL, B. M. 0 4,247,035
ALONZO LOPEZ 0 0
FLORES-CALICHE RANCH 0 3,333,024
MARIA CUELLAR 0 891,038
BALTAZAR RAMOS 0 477,542
GALO 0 9,283,366
MARTINEZ CHILDREN TRUST FUND 0 340,592
SANCHEZ, J. M. ESTATE 0 54,818
BENAVIDES-VERGARA UNIT 0 3,003,327
GARZA D GU 1 0 5,502,631
MARTINEZ, LAURO 0 4,508,771
SINGER-ANDERS 0 1,237,055
BRIONES, J.E. 0 278
GARZA, M.G. G.U. 0 1,495,851
URIBE FAMILY TRUST 0 433,974
MCASKILL TR1 0 421,228
STATE-CUATRO-DELOZEIS UNIT 0 0
CARMEN VELA C 0 97,147
GUERRA, AVELINA 0 13,384,244
VASQUEZ-SHARP-ANDERS G. U. 0 184,292
MENDOZA B 0 1,635,016
GUTIERREZ, HIGINIO JR 0 323,152
JENNINGS 0 53,441,003
VELA, HUMBERTO JR 0 376,610
NCOC FEE UNIT 0 4,332,055
DE MARTINEZ, M. 0 5,526,876
HAYNES A 0 16,855,575
KINNALLY-CARTER-RICHARDSON 0 246,425
VELAS, SIETE 0 495,217
PUIG-KING GAS UNIT 0 2,174,282
DOMINION PALMYRA 0 949,744
HINNANT A 0 0
LAS PALOMAS 0 985,741
VILLARREAL, EDUARDO 0 277,025
ELIZONDO 0 13,603,295
LEYENDECKER G.L. 0 8,240,372
WORLEY, R.J. ET AL 0 156,795
RAMOS, BALTAZAR 0 11,923,370
ALEXANDER, M. 0 575,337
FLORES, E. 0 3,717
M.L.E.I. MARSHALL, S. G. 0 671,925
RODRIGUEZ GAS UNIT 1 0 3,369,152
MARSHALL, STANLEY G. 0 238,662
SALVADOR GARCIA D 0 100,379
BENAVIDES, BELIA R. B 0 14,546,838
GARCIA, SALVADOR A 0 2,878,844
MARTINEZ, E. T. 0 11,199,575
SERGIO, JR. 0 0
BOWERS TRUST 0 943,724
GARZA, L. B 1-T 0 204,812
TREVINO, J. B. 0 3,064,510
MARTINEZ,L. 0 6,317
SPEAR, IRENE L. 0 1,744,885
BUSTAMANTE G.U.,BERNARDO 0 925,138
GONZALEZ-GIL A GU 0 3,562,130
VASQUEZ ROMERO J 0 1,000,084
MCMURREY-TALBERT 0 328,593
CUELLAR GAS UNIT 0 190,067
GUTIERREZ J. R. 0 107,927
J. M. GUTIERREZ 0 0
VELA, CARMEN C 0 1,871,549
MORALES GAS UNIT 0 739,810
DE BARBERIO 0 3,674,895
GUTIERREZ, O. 0 1,303,344
JUANA 0 12,575,677
VELA-CUELLAR 0 1,797,575
PALMYRA MINERALS, LTD. 0 33,363,961
DODIER, J.O. 0 589,700
HEIN, LUZ A. ESTATE 0 1,681,504
LANIER ESTATE 0 265,783
VIELMANN-RAMIREZ 0 576,405
RAMIREZ, FEDERICO 0 22,752,692
EL EBANITO 0 1,107,651
LAUREL-STATE 0 125,438
WHITTIER GAS UNIT 4 0 0
RAMIREZ, RP & RR 0 36,836
ACELA 0 1,067,794
FERNANDEZ 0 735,782
LOPEZ, LAURO 0 2,089,287
ZACHRY, E.B. 0 1,805,175
RAY J THOMASMA B 0 1,297,126
ANTONIO MARTINEZ ET AL A UNIT 0 1,328,181
FULBRIGHT, J.E. G 0 8,507,487
SAENZ 0 161,889
BENAVIDES STATE GU A 0 751,421
GARCIA, ELMA R. ET AL 0 517,709
MARTINEZ, ADRIAN 0 4,020,061
SANTA MARIA LAND 0 217,073
BMT K&H 0 12,051,865
GARZA, ANASTACIO ESTATE 0 0
TREVINO -B- 0 0
MARTINEZ, MERCURIO ET AL UNIT 0 6,726,909
SMITH AH 0 904,431
BRUNI MINERAL TRUST A-B 0 3,439,748
GONZALES, HUMBERTO, HEIRS 0 0
URIBE, S 0 5,178,023
MCDERMOTT HEIRS 0 119,998
TAYLOR, LEROY 0 21,012
CHIHUAHUA DISPOSAL SYSTEM 0 0
GUEVARA A (LAROCA) 0 1,265,785
VELA CUELLA,J.GAS UNIT 0 0
MEZA 0 257,802
CUELLAR, J.V. 0 4,803,684
GUTIERREZ, J.M. B 0 2,092,659
JENNINGS RANCH D 0 46,581,520
VELA, SERAPIO B 0 1,068,238
OLD ZAPATA DEEP GU 0 1,195,559
DEMARTINEZ, M. 0 198,698
HAYNES NORTH 0 1,601,262
LA PERLA A 0 3,058,783
VESTER 0 6,583,408
RAMIREZ ET AL 0 883
DONNELL MINERALS 0 155,214
HINOJOSA, G.G. 0 1,771
LAUREL, F. D. 0 5,448,650
VOLPE 0 9,075,279
RAMIREZ, M.R. 0 2,823,889
3J ZAPATA MEZA GAS UNIT 0 7,252,940
ESTATE OF L. GARZA ET AL 0 0
LOPENO E 0 376,313
YZAGUIRRE, DANILE #1 0 0
RANGEL, B M 0 1,884,709
ALONZO 0 39,651
FLORES, RUBEN MINERALS 0 0
MARCELA DE LOS SANTOS A 0 365,571
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
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
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
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
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
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
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
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 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
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 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
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
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
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
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
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
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


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