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


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