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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02
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03
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04
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05
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Year 2012 1,830 - 13,324,758 2,351 - 13,878,756 1,977 - 14,730,476 3,150 - 12,094,856 2,829 - 12,461,959 2,430 - 12,621,511 2,849 - 12,885,345 3,205 - 12,339,719 3,369 - 11,746,229 3,617 - 11,013,998 3,633 - 11,333,424 3,526 - 11,905,148
2011 2,213 - 15,075,782 2,908 - 16,772,521 2,269 - 17,261,832 2,498 - 15,350,260 1,454 - 15,842,920 2,763 - 16,284,471 2,582 - 16,115,729 1,402 - 15,488,770 1,756 - 14,734,100 2,546 - 14,596,935 2,892 - 14,338,310 2,325 - 14,804,366


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


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