PRODUCTION DATA FOR LEASES AND OPERATORS IN REFUGIO COUNTY TEXAS

Operator Production Data   Leases Production Data    PRODUCTION TOTALS - OIL : 90,853,129 GAS : 371,262,540    Click for More Info

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Year 2012 265,365 - 376,682 286,228 - 427,993 282,862 - 403,378 258,655 - 309,034 276,596 - 326,289 268,994 - 317,742 270,649 - 348,452 274,350 - 312,578 263,077 - 266,532 282,599 - 321,129 274,292 - 307,229 284,195 - 274,546
2011 279,765 - 477,543 313,851 - 514,471 316,356 - 549,985 295,296 - 456,393 302,067 - 478,119 302,414 - 461,539 307,891 - 470,499 299,913 - 484,828 283,349 - 516,867 273,427 - 429,043 268,106 - 476,448 270,810 - 541,693


LEASE NAME OIL VOL in BBL GAS VOL in MCF
TOM OCONNOR (5800 SD) FLD. UNIT 18,262,356 0
WILLIAMS, MAUDE, ETAL -A- 9,466,993 0
WLP 5,769,957 703,144
OCONNOR, THOMAS, -C- 5,345,520 0
LAMBERT, M. F. 4,561,840 9,179,149
T-C OIL CO.-OCONNOR 3,678,215 505,901
HEARD, FANNIE V. W., MRS. 3,414,669 558,411
OCONNOR, DENNIS, ETAL -L- 3,087,177 0
HEARD, CLEMENT 2,953,203 3,399,015
REILLY, ANNIE, ET VIR 1,563,930 0
HEARD, FANNIE, V. W., MRS. 1,543,148 0
OCONNOR -D- 1,114,551 1,083,548
RIVER RANCH -A-/WILLIAMS STATE U 1,034,569 0
MELLON OIL UNIT 827,064 0
OCONNOR, THOMAS A 815,227 4,395,781
HEARD, FANNIE V. W. 794,076 873,548
ROCHE, K. D. -A- 774,952 0
HEARD, J. F. B. 746,055 709,171
WILLIAMS, MAUDE, ET AL -A- 602,555 0
OCONNOR, THOMAS -A- 595,555 616,766
MIGUELITA SCANIO 594,641 307,277
TOM OCONNOR (5730 FT. SD.) UNIT 552,631 0
HEARD, F. V. W. 522,162 74,130
OCONNOR -H- 521,773 302,474
TOM OCONNOR(5600 FOOT SAND)UNIT 515,426 97,897
OCONNOR 502,648 1,332,798
HEARD, CLAUDE E. ET AL 492,315 869,453
LAMBERT, M.F. 489,889 1,764,400
BP 484,887 5,680,779
SCHIRMER, HENRY 484,719 568,283
RIVER RANCH -B- STATE UNIT 484,403 0
OCONNOR 417,569 6,920,776
WILLIAMS, MAUDE ET AL A 415,610 21,494,067
ROCHE 388,080 4,018,019
OBRIEN, J. M. 341,519 906,820
LAKE PASTURE /FT-569/ FIELD UNIT 335,859 0
BOENIG, H. A. & W. A. 328,551 0
OCONNER, M. E. 327,310 0
HEARD, J. F. B.- TEX 308,038 0
CLAY PASTURE -B- STATE UNIT 304,015 580,169
FAGAN 301,234 123,265
BAUER, MARY CLAIRE, ET VIR 296,807 0
WILLIAMS, MAUDE, ETAL, -A- 293,546 0
OBRIEN, J. M. 288,651 448,517
OCONNER, MARY ELLEN 288,183 0
TOM OCONNOR (4150 FT. SD.) UNIT 287,541 0
M. F. LAMBERT 282,455 13,102
OCONNOR, THOMAS, -A- 275,459 0
SCHIRMER C-120 272,884 555,522
WELDER C 269,095 3,667,369
ROOKE, P. H. 256,049 370,109
MARBERRY 250,365 1,074
OBRIEN, J. J., -B- 242,530 0
BAUER, MARY CLAIRE ET VIR 229,905 880,390
OCONNOR, DENNIS, ET AL -N- 227,818 3,698
OBRIEN, J. J., -A- 223,362 0
OCONNOR, MARY ELLEN 215,107 2,781,916
OCONNOR, DENNIS ET AL -N- 196,080 450,099
HEARD, CLAUDE E., ETAL 195,978 0
CLARKSON, EDITH 188,149 0
OCONNER, THOMAS -C- 185,911 0
WILLOW CREEK -B- 184,841 555,772
BUCK 181,606 0
OCONNOR, MARY ELLEN 180,264 97,998
LAMBERT , M. F. 175,198 0
WILLIAMS, MAUDE ET AL -A- 173,993 5,055,143
T-C OIL CO. -OCONNOR 171,972 570,948
ROOKE. B.D. 164,893 0
OCONNOR, THOS. 161,923 0
OCONNOR, THOMAS C 158,791 3,203,949
OCONNOR, THOS. -D- 157,232 0
HEARD, CLAUDE E., ET AL 150,145 0
LAMBERT, M. F., -A- 142,132 0
TRACT 72 137,710 1,599,702
SCANIO, MIGUELITA 132,999 1,311,754
OCONNOR, DENNIS 132,963 0
OCONNER, M. E. 132,518 0
OCONNOR, L. W. 130,501 1,054,064
COPANO GAS UNIT 127,026 3,701,147
OCONNOR, DENNIS ET AL -A- 125,510 0
WOOD, L. EST. 125,222 456,840
OCONNOR, THOMAS -E- 124,641 0
OCONNER, -E- 117,832 0
O CONNOR, THOS. -B- 116,773 0
WILLIAMS, MAUDE ET AL B 116,458 787,959
SCHIRMER C 116,268 88,384
STATE TRACT 4 109,428 0
EL OSO CATTLE COMPANY 106,951 1,103
OCONNER -H- 105,928 0
OCONNOR B 105,614 0
SCANIO, M. 103,179 445,998
HUFF OIL UNIT 2 103,149 5,948
HYNES 102,843 519,306
SHELTON, BEN 102,291 0
HEARD, FANNIE V.W. MRS. 101,131 0
HEARD FANNIE V.W. MRS 101,050 0
JACKS ET AL 100,439 505,763
HEARD, MRS FANNIE V.W. 99,534 0
OCONNOR, DENNIS ET AL G 99,141 212,071
SHELTON, F. BEN ET AL 96,338 0
SASSE 95,922 115,517
OCONNER -D- 93,721 0
OCONNOR, THOMAS 92,169 0
SCHIRMER-BUCK UNIT 87,729 5,034
OCONNOR, T. 84,082 0
REILLY, ANNIE ET VIR 82,161 5,655,663
VIDAURI F 81,548 1,058,432
BUCK, I. G. W. 80,718 0
OCONNOR -H- 77,831 267,318
KENTUCKY-FAGAN 76,307 819,193
WILLIAMS, MAUDE ETAL -B- 75,686 0
REILLY, ANNIE ET VIR 74,974 0
SHELTON 72,629 2,077,130
WILLIAMS, MAUDE, ETAL -B- 69,405 0
OCONNOR, THOMAS, D 68,985 24,308
OCONNOR, THOMAS 68,917 380,761
ROOKE, F. B. 4 68,045 907,205
WILLIAMS, MAUDE ET AL -C- 68,011 0
OBRIEN, J. M., -B- 67,469 0
FOX, W. J. 66,715 536,935
ANDERSON, MARY ALICE ET AL A 65,146 942,459
HEARD, MRS. FANNIE V. W. 64,661 14,519,500
FOX, W. J. A 64,604 449,834
SCHIRMER, ET AL 62,469 208,210
OCONNOR, THOMAS -C- 61,535 1,535,001
THOMAS OCONNOR B 60,836 3,548
VIDAURI E 59,895 475,960
MAUDE WILLIAMS ET AL C 56,596 0
WELDER-TERRELL 56,552 1,672,100
OBRIEN, J. J. 55,111 17,235
OCONNOR, THOMAS B 54,160 1,341,135
HEARD, A. W. J. 54,099 378,861
OCONNOR, THOMAS -D- 53,817 125,364
BARBER UNIT 53,673 21,800
HEARD, F.V.W. B 53,240 0
OCONNOR, L.W. 52,745 751,677
LITTLE, G. W. 51,062 0
ST. JOHN HEIRS 50,662 0
FOX, W. J. -A- 49,639 0
WELDER HEIRS 49,258 4,789,767
OCONNOR, THOMAS B 46,503 439,793
OCONNOR, THOMAS C 45,366 3,206,845
HUFF, G. 45,034 0
REMORA OIL UNIT 43,133 0
BAPTIST 41,982 345,581
SCANIO SHELTON 40,461 323,681
SHELTON, J. ISABELLA -C- 40,060 0
T-C OIL CO.-OCONNER 39,921 2,098,645
NORDAN,L. A.-OCONNOR,THOMAS,EST. 39,590 0
SCHIRMER-BUCK A UNIT 39,171 266,767
ROCHE, K. D. -E- STATE OIL UNIT 38,582 0
HYNES, JAMIE 38,081 123,327
WELDER D 36,017 1,340,018
W. J. FOX A 35,258 0
BARBER 34,367 326,651
MESSER, W.H. JR. ET AL 33,890 0
OBRIEN,J.M.,-A- EAST 101 AC. 6 33,479 0
OCONNOR, DENNIS ET AL -G- 32,450 117,815
ROCHE, K. D. -E- 32,406 433,991
ROOKE, F. B. 7 30,625 623,047
SCANIO/SHELTON 29,769 2,122,174
HEARD, IRA B 29,015 6,455
DAHSE, GEORGE W. 28,679 0
LAMBERT, M. F.H 28,168 0
WELDER C #25 27,542 0
GILLIAM 27,100 115,579
OCONNER, THOMAS -A- 26,645 0
ROOKE 26,463 616,781
WILLIAMS, MAUDE, ET AL -B- 25,810 0
I. G. W. BUCK 25,657 0
OBRIEN, J. M. J 24,792 0
OCONNOR, M. E. 24,755 0
DEMMER 24,356 0
NORDAN, MORRIS - OCONNOR, THOS. 24,214 0
WELDER, J.F. HEIRS 22,937 0
OCONNOR, MARTIN -B- 22,123 1,543
HEARD, IRA A 21,788 1,593,715
FAGAN C 21,587 0
OCONNOR THOMAS A 20,316 0
OCONNOR, DENNIS ET AL N 20,221 788,047
TERRELL RANCH C 19,649 0
COASTAL ROCHE 19,365 0
WOOD RIVER RANCH B 19,344 0
ANNIE REILLY, ET VIR 18,903 0
HEARD, A.W.J. -C- 18,766 0
L.W. OCONNOR 2 18,384 0
ROOKE, B. D. 18,258 1,323,700
OCONNOR, L. W. 2 18,235 0
HEARD, CLAUD E., ET AL 17,465 0
L. WOOD EST. 17,052 284,778
ROOKE B 17,017 351,980
HEARD-STATE UNIT #2 16,724 185,829
LAMBERT, M. F. -C- 15,131 0
THOMAS OCONNOR B 13,321 0
ROOKE. P.H. 12,847 0
OCONNOR, M.V. ESTATE 12,832 0
HEARD, WILSON B 12,807 56,434
SPAULDING, J.W. 12,752 0
OCONNER, THOMAS -B- 12,293 0
HEARD, FANNIE V. W. MRS. 12,252 5,427,117
OCONNOR, THOMAS -E- 12,178 0
MARBERRY, M. M. -C- 12,071 0
BOOKE, B. D. 11,958 0
WILSON HEARD B 11,745 0
MITCHELL, JOHN N. 11,594 2,262
THOMAS OCONNOR C 11,545 4,217
REA, W. L. 11,429 38,104
SCHIRMER C-120 10,965 0
NORDAN,L.A. - OCONNOR,THOS.,EST. 10,712 0
MARY F. LAMBERT E 10,424 0
WILLOW CREEK -C- 9,825 0
LAMBERT, MARY F. 9,047 0
OBRIEN, J. J. 8,910 111,038
HOUGHTON, J.F. 8,707 0
SHAY, MARY A. 8,364 75,868
EL OSO CATTLE CO. 8,325 0
OCONNOR, MARTIN -D- 8,324 21,615
WOOD, L. EST C 8,132 40,173
HARTMAN, ET AL 8,116 0
HEARD, IRA -A- 7,931 4,031
WELDER FORD 7,862 130,729
ROCHE, K. D. A 7,507 3,481,401
THOMAS OCONNOR C 7,368 0
NIEMANN, EMIL 7,307 328,075
LONGORIA UNIT 7,117 0
M. F. LAMBERT A 6,913 0
ROCHE, K. D. -D- 6,722 205,412
OBRIEN, J. M., -D- 6,594 0
WILLIAMS, MAUDE ET AL A 6,262 9,304,699
HEARD, MRS. FANNIE V.W. 6,079 485,128
HOUGHTON, J. F. 6,009 0
OCONNER -N- 5,992 0
SCHIRMER 5,849 1,119
FOX, CORA 5,664 50,589
FAGAN -M- 5,425 261,401
CLEMENT HEARD 5,385 294,269
HEARD, WILSON A 5,121 0
HEARD, IRA A 4,888 53,961
REILY, ANNIE ET VIR 4,669 654,530
TATTON 4,621 0
NORDAN, L. A.-OCONNOR, THOS. EST 4,483 0
HUFF GU 1 4,446 3,176,758
COLLINS ESTATE 4,308 0
HEARD-STATE UNIT #1 4,281 0
OCONNOR, THOMAS, -B- 4,236 0
WILLIAMS, MAUDE ET AL C 4,143 0
WELDER Q 4,058 0
BUCKLEY, JOHN 4,000 0
OCONNOR, THOMAS E 3,889 0
MARY CLAIRE BAUER ET VIR 3,805 106,316
OCONNOR, THOS. B 3,555 0
OCONNOR, THOS., -E- 3,512 0
CLAUDE E. HEARD, ET AL 3,446 594
OCONNOR, M.E. 3,388 217,187
W. J. FOX A 3,337 314,319
DAVENPORT, O. H. 3,200 146,312
OBRIEN, J. M. J-1 (AR) 3,182 0
NORDAN & MORRIS, OCONNOR, THOMAS 3,097 0
TOLAND 3,087 0
COLLINS-BUCK UNIT 3,043 256,248
ROOKE, B.D. 3,039 0
HEARD, IRA, -A- 3,018 0
MAUDE WILLIAMS ET AL A 2,909 2,411,617
LAMBERT 2,880 21,228
HEARD, CLAUDE, E. ET AL 2,776 0
MITCHELL, JOHN N. UNIT 2,620 0
HEARD 2,618 697,392
OCONNOR, THOS. -B- 2,564 0
BARBER RANCH 2,527 310,249
IRA HEARD B 2,517 0
NORDAN & MORRIS-THOS. OCONNOR 2,427 0
MAUDE WILLIAMS ET AL A 2,336 0
NORDAN & MORRIS, THOS. OCONNOR 2,270 0
OCONNOR, DENNIS, ET AL -L- 2,190 0
M. F. LAMBERT 151 2,142 18,837
NORDAN,L. A.-OCONNOR,THOS.,EST. 2,113 0
OCONNOR, DENNIS ET AL. N 1,894 0
ROCHE RANCH TRACT A 1,884 0
SHAY B 1,599 798,593
OCONNOR, DENNIS ET AL L 1,592 387,218
OCONNER, DENNIS ETAL N 1,511 0
SCANIO UNIT 1,499 0
WELDER D 1,442 49,658
WELDER "H" 1,427 383,659
POWERS, PHIL 1,288 0
BREAKER 1,285 0
WOOD, L. EST. C 1,257 14,368
WILSON HEARD A 1,216 0
TREVINO 1,156 379,838
ROOKE, F. B. & SONS -E- 1,089 0
IRA HEARD A 1,077 0
IRA HEARD A 1,028 0
MITCHELL, JOHN N. ETAL 893 0
M.V. OCONNOR ESTATE E 861 152,481
WOOD RIVER RANCH D 842 21,068
MARBERRY B 704 87,108
MARTIN OCONNOR -M- 668 0
BENGTSON 650 202,573
WELDER HEIRS B 633 0
F.V.W. HEARD B 622 9,813
ROOKE, B. D. -A- 570 0
TOM OCONNOR 550 0
OCONNOR, THOMAS D 500 0
W. J. FOX 447 0
T-C OIL CO.-OCONNOR 298 9,245,225
ANNIE REILLY ET VIR 293 407,157
STATE OF TEXAS TRACT 2A 291 0
TWIN MOTT-B- 279 0
TATTON, V. H. -B- 270 0
HEARD, CLAUDE ET AL 268 0
HEARD, F. V. W. -B- 140 52,184
SHELTON, J. ISABELLA -D- 101 12,156
OCONNOR, THOMAS JAMES 92 0
ROOKE SOUTH 90 199,826
ROOKE, B.D. -A- 32 0
ROCHE, K.D. 6 0
ROOKE, F. B. -B- 0 0
ANDERSON, MARY ALICE, ET AL A 0 30,772
SCANIO, M A 0 25,658
MC 0 0
BUCK, I.G.W. 0 6,717
NORDAN,L. A. OCONNOR, THOMAS EST 0 0
DOC-N/RR-C UNIT 0 43,913
T-C OIL CO. - OCONNOR 0 0
FOX, W. J. B 0 206,159
TOM OCONNOR (5600 FT. SD.) UNIT 0 0
OCONNER, THOMAS 0 492,007
HEARD, CLAUD E. ET AL 0 0
VINCENTI 0 27,706
OCONNOR, DENNIS ETAL N 0 34,642
HUFF G. U. 1 0 5,729
ROCHE, K. D. A 0 202,427
L.A. NORDAN-THOS. OCONNOR EST 0 13,638
ROOKE RANCH 0 790
PADILLA, TONY 0 16,256
5100 EAST SAND 0 0
RYALS, PEARSON EST. 0 457
BLANCA SHAY 0 544,175
NIEMANN EMIL 0 65,947
STATE TRACT 4 0 0
OBRIEN, J. M. A 0 86,687
FAGAN EST. -M- 0 324,729
OBRIEN-HARKINS 0 249,450
HEARD STATE UNIT #2 0 56,211
OCONNOR, DENNIS G ET AL 0 334,582
WELDER N 0 122,947
HEARD, WILSON A 0 75,119
WILLIAMS, MAUDE, ETAL A 0 61,588
OBRIEN, J. M. -J- 0 0
ROCHE, KATHELINE 0 0
ROOKE, P.H. 0 158,066
MARBERRY -A- 0 0
SCHIRMER C GAS UNIT 0 460,405
MITCHELL -D- 0 0
CLAIRE, MARY BAUER ET VIR 0 19,336
SPAULDING, J. W. 0 14,810
OBRIEN, J J 0 48,351
F.B. ROOKE B 0 58,515
TALMAN 0 0
OBRIEN, J.M. -C- 0 0
OCONNOR G 0 455,252
OCONNOR, M. V. ESTATE 0 2,235,971
OBRIEN, J. J. -A- 0 0
REFUGIO SWD 0 0
HYNES -B- 0 0
OCONNOR, DENNIS ET AL -A- 0 663,325
ROOKE, F. B. & SONS LTD. 0 495,300
LAWRENCE WOOD 0 473,465
ANDERSON, MARY ALICE ETAL -A- 0 109,315
SCANIO, M 0 594,084
MAYO, TOM 0 88,073
SHELLY, T. P. 0 0
DENNIS OCONNOR ET AL -N- 0 8,726
T-C OIL CO-OCONNOR 0 0
HEARD, C.E. 0 181,319
VINCENT I 0 93,799
OCONNOR, DENNIS ETAL L 0 823,429
WELDER, J. F. HEIRS-R 0 1,030,797
HOUGHTON,J.F. 0 0
WILSON HEARD B 0 1,704,677
OBRIEN, J.M. -H- 0 988
ROCHE, K. D. 0 175,290
ROOKE B 0 355,601
OLSON 0 646,360
0YALS, PEARSON, ESTATE 0 0
RYALS, N. J. 0 0
MARY ALICE ANDERSON ET AL-A- 0 219,848
BIG BOTTOM 0 0
NIEMANN 0 0
COLLINS, PEARL SWIFT 0 963,890
STATE TRACT 3 0 0
THOMAS OCONNOR D 0 14,428
OBRIEN, J.M. J&L L 0 33,225
HEARD STATE UNIT #1 0 25,127
TWIN MOTT-A- 0 19,510
HEARD, FANNIE V. W. MRS 0 80,509
WELDER G 0 600,845
OBRIEN, J. M. -D- 0 213,622
RISHER-BRANDON UNIT 0 34,089
ROCHE, K.D. A 0 1,244,960
LAKE PASTURE (FS-550)SD.FLD.UNIT 0 0
BARBER RANCH LTD 0 43,150
MITCHELL -B- 0 0
CHURCHILL, T. 0 0
SHELTON, N. 0 444,611
OBRIEN B (S), J.M. 0 87,259
ELSIE SCHUBERT 0 0
T-O OIL CO.-OCONNOR 0 61,980
OBRIEN, J.M. -B- 0 0
GAS PROD. AREA -E-(J.M.OBRIEN-B) 0 0
TOM OCONNOR 4400 SAND GAS UNIT 0 5,833,176
OCONNOR F 0 408,900
OCONNOR, M. V. EST. 0 12,953
HEARD, J. F. B. - TEX 0 28,441
REA, W.L. 0 0
WOOD, L. EST C 0 199,015
OCONNOR OIL UNIT 0 0
LAROSA UNIT 0 1,663,026
ANDERSON, MARY ALICE ET AL -D- 0 447,197
MAUDELOWE -A- 0 0
SHELLY 0 0
NORDAN, L.A., OCONNOR, THOS. ES 0 0
DENNIS OCONNOR ET AL -L- 0 4,099,683
T-C OIL CO-OCONNOR 0 0
OBRIEN, J. M. C 0 10,595
TOM OCONNOR A 0 11,420
VINCENT A 0 293,589
HEARD, IRA 0 109,523
WELDER, J. F. HEIRS -R- 0 149,519
OCONNOR, THOMAS -D- 0 159,543
OBRIEN, J.M. 0 16,514
ROOKE - B 0 158,657
LAMBERT, M. F. H 0 288,076
OCONNOR-D- 0 0
RYALS, JOHN ESTATE -A- 0 0
MARY ALICE ANDERSON ET AL -D- 0 0
SCHIRMER, HENRY -C- 0 0
NEIMANN, EMIL 0 162,578
STATE TRACT #6 0 408
OBRIEN, J. J. C (S) 0 123,020
FAGAN -N- 0 277,877
OBRIEN, J.M. D&E E 0 169,348
HEARD STATE #1 0 0
TWIN MOTT -B- 0 584,175
OCONNOR, DENNIE ET AL -L- 0 0
OCONNOR, T-C OIL CO. 0 1,346,809
OBRIEN, J. M. -B- 0 409,996
IMHOFF 0 0
ROCHE, K.D. -A- 0 393,312
LAKE PASTURE (FS-550)SAND UNIT 0 1,867,586
ROOKE, F.B. & SON 0 117,333
CHURCHILL UNIT 0 53,166
SHELTON, N 0 82,312
OBRIEN J&L, J. M. 0 228,756
T-C OIL COMPANY-OCONNOR 0 2,806,922
OBRIEN, J.M. -A- 0 0
GANT-STONE 0 985,232
TOM OCONNOR 440 SAND GAS UNIT 0 834,064
OCONNOR E 0 120,639
WELDER B 0 1,270,200
OCONNOR, M. V EST 0 58,038
OBRIEN J. M. -B- 0 14,166
WOOD, L. EST 0 18,869
ROOKE, F. B. & SONS 0 0
LAROSA GAS UNIT 0 177,220
ANDERSON, MARY ALICE ET AL -A- 0 814,341
MAUDE WILLIAMS, ET AL B 0 136,338
BRIEN, J.J. B 0 56
SHAY, MARY AGNES POWER 0 52,824
DENNIS OCONNOR ET AL L 0 465,606
T-C OIL CO - OCONNOR 0 22,051
OBRIEN, J. M. BP (AM) 0 46,390
FOX, W. E. 0 0
OCONNER, DENNIS ETAL -N- 0 0
HEARD, A.W.J. C 0 29,340
VINCENT 0 312,949
HEARD, GEORGIE 0 1,626
WELDER, J. F. HEIRS 0 95,919
OCONNOR, THOMAS -B- 0 0
WILLOW DREEK -B- 0 186,128
OBRIEN, J. M., D & E 0 0
ROCHE RANCH ENCINO 0 132,996
KELLY, D. M. 0 157,386
OCONNOR, MARY ELLEN -B- 0 0
ROOKE (AMOCO) 0 0
LAMBERT, M. F. A 0 0
OCONNOR, TOM/GAS PROD. AREA-C-/ 0 0
RYALS, JOHN ESTATE 0 0
MARY ALICE ANDERSON -D- 0 39,626
BAUR, MARY CLAIRE, ET VIR 0 614,816
MRS. FANNIE V. W. HEARD 0 132,942
OBRIEN, J. J. C (P) 0 190,167
OBRIEN, J.M. D&E D 0 6,374
HEARD HEIRS 0 354,166
TRULL, R.W. 0 0
OCONNOR, H 0 381,696
HEARD, FANNIE 0 0
HEARD, TOM 0 0
WILLIAMS, MAUDE WILLIAMS ETAL-A- 0 0
OBRIEN, J. M. -A-GAS PROD.AREA-E 0 0
ZARSKY, JOHN L. 0 6,895
OCONNOR, DENNIS ETAL -L- 0 0
LAKE PASTURE (FS-550) SAND UNIT 0 2,692,766
ROOKE, F.B. B 0 1,269
M.V.O.C.-BAPTIST UNIT 0 222,667
MICHNA, P.M. 0 0
CATHOLIC CHURCH 0 0
O CONNOR, THOMAS C 0 296,345
T-C OIL COMPANY- OCONNOR 0 0
OBRIEN, J.M. B 0 16,650
FVW HEARD 0 41,025
TOM OCONNOR (5800 SD. ) UNIT 0 43,013
OCONNOR D 0 486,676
WELDER A 0 1,073,323
WILLIAMS, MAUDE -A- 0 0
OBRIAN, J. M. 0 179,472
WOOD, J.L. ET AL 0 495,378
OCONNOR -E- 0 0
ROCHE, K.D. E 0 1,399
ROOKE, F. B. & SON -E- 0 0
LAMBERT-ROSE 0 189,585
SCANIO / SHELTON 0 888,556
MAUDE WILLIAMS ET ALA 0 10,317
SHAY, MARY A. A 0 0
SWYKA 0 12,022,965
OBRIEN, J. M. A (AM) 0 27,552
HEARD, A.W.J. A 0 28,452
VIDAURI P 0 111,883
OCONNOR, DENNIS ET AL -L- 0 7,580,383
HEARD, GEORGIA -A- 0 0
WELDER, J. F. 0 76,858
OCONNOR, THOMAS (AMOCO) 0 377,263
HOUGHTON 0 0
WILLOW CREEK-B- 0 343,528
OBRIEN, J. M., -J & L- 0 0
ROCHE (6000 SAND) UNIT 0 3,777,398
JOWERS, F. 0 114,020
OCONNOR, MARY ELLEN - EXXON 0 61,713
OCONNOR, TOM -C- 0 0
RYALS ESTATE -P- 0 464,684
MARTIN OCONNOR-E- 0 665,243
BAUMGARTNER -F- 0 72,610
SCHIRMER, ETAL 0 0
MRS. FANNIE V. W. HEARD 0 50,230
ST. TR #1 SAN ANTONIO RIVER 0 11,049
OBRIEN, J. J. A(S) 0 39,564
FAGAN -L- 0 300,122
THOMAS OCONNOR A 0 0
OBRIEN, J.M. D & E D 0 23,672
OCONNOR, A 0 592,295
HEARD, F.V.W. -A- 0 0
OCONNOR, MARTIN -G- 0 200,808
HEARD, THELMA 0 42,909
OBRIEN, J. M. -A- 0 298,685
REILLY, W. J., ETAL 0 0
HYNES-CAMINO O/A 0 0
ZARSKY, JOHN (OLD) 0 0
OCONNOR, DENNIS ET AL -N- 0 82,192
LAKE PASTURE (FS-550 SD.FLD.UNIT 0 247,899
ROOKE, F.B. 0 0
SCANIO/ SHELTON 0 17,198
MICHNA, P. M. 0 0
CAMPBELL, DUDLEY T. 0 9,752
O CONNOR D 0 0
DUKE RANCH-L- 0 189,816
OBRIEN, J.M. 0 72,026
FRIDAY, H. J. 0 0
TOM OCONNOR (5800 SD)FIELD UNIT 0 40,568
WELDER 0 520,716
OCONNOR, M V EST 0 515,471
HEARD, IRA 5900 SAND UNIT 0 0
WILLIAMS, MAUDE ET AL C 0 133,279
ODONNELL 0 0
POWERS 0 313
HUFF GU-1 0 32,612
WOOD, C. G. & R. H. 0 0
ROOKE, BIRDIE D. -B- 0 0
LAMBERT, MARY F., -A- 0 0
ANDERSON, MARY ALICE ET AL 0 89,219
SASSE, C.F. 0 0
BRAMAN -A- 0 443,789
NORDAN & MORRIS-THOMAS OCONNOR 0 37,711
DAVENPORT, O.H. 0 401,671
STRIP 0 966,147
OBRIEN, J. M. -A- 0 206,521
FOX, C.P. 0 251,436
THOMSON-BARROW CORP. C 0 2,084,101
OCONNER, DENNIS ET AL L 0 79,474
HEARD, A.W.J. 0 0
VIDAURI G 0 409,606
HEARD, GEORGIA 0 119,994
WELDER HEIRS UNIT 0 176,143
HOLEMAN 0 8,132
OBRIEN, J. M., -D- & -E- 0 0
ROCHE A 0 196,529
JM OBRIEN A 0 296,530
ROOKE A 0 228,105
LAMBERT, M. F H 0 408
OCONNOR, TOM -A- 0 0
RYALS ESTATE 0 0
MARTIN OCONNOR-B- 0 6,445
BAUMGARTNER -A- 0 1,378,654
MRS FANNIE V W HEARD 0 102,028
CLEMENT 0 9,084
ST. JOHNS HEIRS 0 0
OBRIEN, J. J. A (S) 0 279,787
FAGAN -K- 0 94,809
THELMA HEARD 0 149,263
OBRIEN, J.M. D 0 18,588
HEARD FANNIE V W 0 0
WELDER P 0 1,437,622
WILLIAMS, MAUDE ETAL -A- 0 3,821,393
REILLY, ANNIE, ETVIR 0 0
HYNES, PHIL 0 0
ZARSKY 0 357,030
OCONNOR, DENNIS ET AL -M- 0 0
LAKE PASTURE (FS-550 SAND) UNIT 0 785,492
ROOKE, F.B -B- 0 0
M. V. OCONNOR ESTATE 0 125,765
ARC - THOMSON - BARROW RANCH 0 0
SCANIO-SHELTON 0 240,938
CAMPBELL, DUDLEY 0 612,841
SHELTON, J. ISABELLA 0 210,389
DUKE RANCH -V- 0 738,240
OBRIEN, J.J. B 0 50,940
FOX-HEARD ETAL 0 0
TOM OCONNOR (5800 SD) UNIT 0 0
W.J. FOX A 0 79,593
OCONNOR, LAWRENCE W. 0 1,359
HEARD, IRA -B- 6600 SAND UNIT 0 314,846
WILLIAMS, MAUDDE ET AL A 0 627,559
OCONNOR, TOM 4400 SAND GAS UNIT 0 2,106
HUFF GU 2 0 43,807
WOOD, BERNADINE 0 0
LAMBERT, MARY F. EA 0 179,301
ANDERSON, MARY ALICE -A- 0 942,449
SASSE, C. F. 0 18,999
SHAY C 0 116
STRAUCH, GEORGE EST. 0 0
OBRIEN, J. M. B 0 400,671
FOX, C. P. 0 32,909
THOMAS OCONNOR -E- 0 236,883
HEARD, A. W. J. EST. 0 0
HEARD-TEX 0 59,522
OCONNOR, M. V., ET AL 0 0
LAMBERT, J. A. 0 0
OCONNOR, TOM 0 113,840
RYALS -A- 0 0
MARTIN OCONNOR G-2 UNIT 0 181,357
SCHIRMER ET AL 0 13,680
MITCHELL, JOHN N., ETAL 0 0
OBRIEN, J. J. A 0 501,219
FAGAN -J- 0 134,561
OBRIEN, J.M. C 0 404,541
HEARD - STATE UNIT #1 0 92,272
TOM OCONNOR 4400 SAND GAS UNIT 0 20,886,653
OCONNOR -E- 0 30,281
HEARD, F.V.W. 0 0
WELDER N 0 382,169
OBRIEN, J. J., -C- 0 0
HYNES, JAMIE -C- 0 0
WOOD-PFEIL UNIT 0 0
OCONNOR, DENNIS ET AL -L- 0 169,006
LAKE PASTURE (FS-550 SAND UNIT 0 2,136,713
ROOKE, F. B. 9 0 251,527
SCANIO-HAWN 0 0
MESSER, W. H. JR. ET AL 0 0
BUCKLEY, JOHN, -A- 0 0
DUKE RANCH -L- 0 725,905
OBRIEN, J.J. A (S) 0 123,184
FOX, W.J. 0 135,130
TOM OCONNOR (5800 SAND) UNIT 0 30,421
HEARD, CLAUDE E. , ET AL 0 363,987
HEARD, IRA -B- 0 584
WILLIAMS 0 44,247
OCONNOR, TOM (5800 SD) FLD UNIT 0 0
LAMBERT, MARY F. E 0 321,006
ANDERSON, M. A. -A- 0 51,299
MAUDE WILLIAMS ET AL B 0 46,454
BOOKE, F.B. 0 0
SHAY D 0 1,602,881
NORDAN & MORRIS, THOMAS OCONNOR 0 0
STRATMAN-RYALS 0 0
OBRIEN, J. M. A 0 396,218
FOX, BEN 0 0
THOMAS OCONNOR -B- 0 525,407
HEARD, A. W. J. -C- 0 0
HEARD, FANNIE, V. W. MRS. 0 77,789
OCONNOR, THOMAS A 0 724,877
WILLIMS, MAUDE ET AL A 0 1,177,618
OBRIEN, J. M., -C- 0 0
ROBERT HEARD GAS UNIT 0 0
J.M. OBRIEN 0 0
OCONNOR, M. V. ESTATE 0 0
ROGERS ESTATE 0 0
LAMBERT M. F. 0 731,069
RYALS 0 195,376
MARTIN OCONNOR G-2 GAS UNIT 0 22,328
ST. JOHN -A- 0 0
OBRIEN, J. J. C (P) 0 1,195
FAGAN A 0 0
TC-OIL CO.-OCONNOR 0 250,062
OBRIEN, J.M. B 0 111,903
TOM OCONNOR (5800) FIELD UNIT 0 0
OCONNOR -D- 0 1,121,956
HEARD, F. V. W., -A- 0 0
OCONNOR, M.V. ESTATE C 0 106,014
HEARD, MRS. FANNIE V. M. 0 209,954
WILLIAMS, MAUDE ET AL -B- 0 205,474
HYNES, JAMIE -A- NCT-5 0 0
WOOD, LAWRENCE -A- 0 33,331
OCONNOR, DENNIS ET AL -G- 0 604,217
MESSER 0 4,666
BUCKLEY, JOHN -A- 0 0
SHELTON, F. B. 0 259,179
DUKE RANCH -J- 0 1,926,192
T-C OIL CO. OCONNOR 0 0
OBRIEN, J.J. A 0 169,612
FOX, W. J. -B- 0 0
TOM OCONNOR (5800 SAND) FIELD U 0 30,593
HEARD, CLAUDE E. 0 199,987
WEST 0 428,644
OCONNOR, TOM 0 1,117,978
HUFF GAS UNIT 1 0 0
OBRIEN,J.M.-B-/GASPROD.AREA-E-/ 0 0
ROCHE, K. D. -E- 0 0
LA ROSA UNIT 0 3,310,621
ALLISON, GUY 0 190,453
SALT CREEK -A- 0 909,476
NORDAN & MORRIS, OCONNOR, THOS. 0 0
D-37 GAS UNIT 0 276,117
STONER, ET AL 0 0
OBRIEN, J. M. E 0 387,414
FOX 0 0
THOMAS OCONNOR -A- 0 491,272
HEARD, A. W. J. -A- 0 0
VIDAURI D 0 111,672
OCONNOR, THOMAS D 0 60,455
RIVER RANCH -D- 0 16,999
J. J. OBRIEN 0 95,956
OCONNOR, M. E. 0 32,545
ROCHE, KATHLEEN D. ET AL 0 0
LAMBERT GAS UNIT 0 3,346,101
OCONNOR, THOS., -C- 0 0
BAUER, MARY CLAIRE 0 40,295
SCHIRMER BUCK UNIT 0 17,577
CLAUDE E. HEARD ET AL 0 63,186
SPIKES, MYRA ESTATE 0 0
OBRIEN, J. J. B 0 0
TC OIL CO.-OCONNOR 0 25,702
OBRIEN, J.M. A-2 0 737,985
OCONNOR A 0 159,398
WELDER G 0 3,157,279
WOOD, LAWRENCE 0 355,431
OCONNOR, DENNIS ET AL -F- 0 0
ROOKE, F. B. 5 0 0
ANNIE REILLY 0 24,656
MERCY HOSPTAL-HUFF UNIT 0 0
SHELTON, BEN T. 0 0
DUKE RANCH -F- 0 1,557,106
T-C OIL CO. -OCONNOR 0 0
OBRIEN, J.J. B 0 625,127
TOM OCONNOR (5730 FT.SD.) UNIT 0 0
HEARD, CLAUDE 0 405,258
HEARD, IRA B 0 44,207
HUFF GAS UNIT 0 0
WOOD 0 2,168,923
OBRIEN,J.M.-B-(GAS PROD.AREA-B-) 0 0
LA ROSA GAS UNIT 0 737,224
POWER, PHIL 0 187
A.W.J. HEARD C 0 0
S. B. F. 0 0
MARY F. LAMBERT EA 0 35,745
SHAY 0 132,753
CREWS 0 285,731
STATEOFTEXAS TR.NO.2 SAN ANTONIO 0 0
OBRIEN, J. M. D & E (P) 0 464,952
FAGAN, LAURA A. 0 0
THOMAS OCONNOR D 0 87,914
HEARD, A. W. J. C 0 86,223
VIDAURI A 0 1,039,359
HEARD, FANNIE V.W. 0 434,551
WELDER C 0 602,234
HEARD- STATE UNIT #2 0 135,352
OBRIEN, J. M. D & E 0 0
RIVER RANCH -C- 0 143,995
J. F. WELDER 0 18,690
OCONNOR, LAWRENCE W. ESTATE OF 0 0
ROCHE, KATHLEEN D. 0 0
MARTIN OCONNOR -H- 0 38,711
BAUER, MARY 0 0
SCHIRMER BUCK A UNIT 0 346,320
SPIKES, MYRA 0 0
OBRIEN, J.M. A 0 206,649
HARTMAN ET AL 0 154,493
TOM OCONNOR(5800SAND)FIELD UNIT 0 67,358
OCONNOR I 0 333,416
HEARD, F. V. W. B 0 138,574
WELDER F 0 124,529
HEARD, MRS FANNIE V. W. 0 423,442
WILLIAMS, MAUDE ET AL B 0 290,416
OBRIEN, J. J. -C- 0 0
REILLY, ANNIE 0 944,318
HYNES MINERAL TRUST -A- 0 0
OCONNOR, DENNIS ET AL -E- 0 534,001
ANDERSON, W. S. 0 0
SCANIO, M B 0 355,580
BUCK, IGW 0 0
DUKE RANCH F 0 179,352
OBRIEN, J.J. 0 645,390
FOX, W. J. A 0 64,408
OCONNER, THOMAS B 0 0
VINCENT, KENNETH Z. 0 0
OCONNOR, JOE -A- 0 910,927
WELDER, JAMES F. HEIRS 0 0
HUFF G.U. #1 0 0
OBRIEN,J.M.,-B-/GASPROD.AREA-E-/ 0 0
PERRYMAN 0 0
5100 EAST SAND UNIT 0 0
RYALS, SHELLY 0 0
BOENIG 0 0
SCHMIDT 0 1,543,346
STATE TRACT 9 0 0
OBRIEN, J. M. B 0 89,160
FAGAN K 0 0
OCONNER 0 0
VIDAURI 0 237,151
OCONNOR, DENNIS ET AL CEFI 0 599,003
WELDER -G- 0 34,488
HEARD, WILSON JR. -B- 0 0
OBRIEN, J. M. -L- 0 0
OCONNOR, L. W. 0 163,613
ROCHE, KATHERINE D. 0 0
ROOKE,P.H 0 0
BAUER, CLAIRE MARY ET VIR 0 108,162
MITCHELL, J. N. 0 0
CLARKSON HEIRS 0 0
OBRIEN, J. B. B 0 94,482
F.V.W. HEARD 0 161,393
OBRIEN, J.M. -J- 0 20,808
HARRY, BERT GAS UNIT #1 0 370,851
TOM OCONNOR(5800 SD) FIELD UNIT 0 0
OCONNOR H 0 1,817,893
OCONNOR, M. V. ESTATE C 0 503,785
HEARD, J.F.B. 0 502,946
OBRIEN, J. J. -B- 0 0
REILLY 0 0
HYNES -C- 0 105,158
OCONNOR, DENNIS ET AL -C- 0 0
OPERATOR NAME OIL VOL in BBL GAS VOL in MCF
HILCORP ENERGY COMPANY 27,004,047 79,527,696
QUINTANA PET. CORP. 26,461,732 65,620,276
T - C OIL COMPANY 15,074,437 65,263,090
H & D OPERATING COMPANY 2,923,549 10,551,581
T-C OIL COMPANY, LLC 2,271,589 1,122,298
GILSTER, RALPH R. III 1,977,435 1,465,868
ACOCK/ANAQUA OPERATING CO., LP 1,797,009 6,773,261
PENNZOIL EXPLORATION & PROD. CO. 1,038,886 7,221,161
EXXON CORP. 951,764 1,243,810
CHRISTOPHER OIL & GAS INC 695,021 3,749,964
PRIMROSE OPERATING COMPANY 590,547 1,366,041
MELLON OIL UNIT 574,942 0
CHILTON ENERGY 556,660 4,532,107
CITATION OIL & GAS CORP. 529,675 92,105
EMERALD OIL & GAS LC 382,041 4,509,691
WISER OIL COMPANY, THE 340,837 17,422,586
CUMMINS & WALKER OIL CO., INC. 336,752 3,773,586
DEVON ENERGY PRODUCTION CO, L.P. 335,946 897,135
BAY ROCK OPERATING COMPANY 329,735 0
DEWBRE PETROLEUM CORPORATION 271,925 3,600,224
COPANO COMPANY 264,426 284,907
CAMBRIAN MANAGEMENT, LTD. 260,547 349,882
GREAT BAY OPERATIONS, LLC 256,482 123,265
SIMRAY OIL & GAS, INC. 230,149 119,535
ACOCK/ANAQUA OPERATING CO., LC 221,158 758,990
KEBO OIL & GAS, INC. 217,142 6,847,709
PEARL, BILL H. PRODUCTIONS, INC. 214,677 120,962
C & E OPERATING, INC. 205,113 25,555,389
FREEMAN, JAMES C. 200,061 0
LAROCO LLP 189,432 6,416,934
CTR PETROLEUM, INC. 178,515 2,695,897
MCDONALD & JOHNSON RESOURCES,LLC 171,443 0
HARVEY BROTHERS OIL & GAS 153,331 247,621
CHARRO OPERATING, L.L.C. 142,304 4,973,185
JOSEY, LENOIR M., INC. 136,946 0
FOREST OIL CORPORATION 129,162 1,622,466
EXXON MOBIL CORPORATION 127,362 11,174
COPANO GAS UNIT 123,381 3,259,605
PENNZENERGY EXP. & PROD., L.L.C. 122,168 408,015
ACOCK ENGINEERING & ASSOC., INC. 114,086 503,881
BISHOP PETROLEUM INC. 105,614 2,551,816
NEUMIN PRODUCTION COMPANY 100,439 1,190,354
KCS RESOURCES, INC. 97,304 161,460
WHITTIER OPERATING INC. 97,230 236,159
NORDAN & COMPANY 87,915 0
DALE OPERATING COMPANY 80,262 2,486,409
SOUTHWEST OIL & LAND, INC. 79,150 700,478
SALIDA EXPLORATION, LLC 78,858 1,041,634
CLIFFWOOD PRODUCTION CO. 74,818 736,514
BRAMAN, D. H., JR. 73,216 1,378,472
KAMLOK OIL & GAS, INC. 71,945 87,571
SLACK OIL & GAS 70,268 212,863
HYQUEST ENERGY, INC. 69,774 115,579
JOSEY OIL COMPANY 68,921 0
MARAN OIL COMPANY 65,146 3,686,525
KEN PETROLEUM CORPORATION 62,161 8,132
HAWN BROTHERS 61,574 0
SE USA OPERATING, INC. 53,701 32,255
JOSEY OIL COMPANY, LTD. 53,578 0
ANDERSON OIL LTD. 52,838 1,299,895
MAGNUM PRODUCING & OPERATING CO. 52,806 0
JOY RESOURCES, INC. 48,907 0
REMORA MANAGEMENT, LLC 44,444 91,227
38 OIL & GAS, L.L.C. 43,783 192,983
ATINUM OPERATING, INC. 43,018 69,333
DOLPHIN PETROLEUM, LP 39,000 23,604
GAITHER PETROLEUM CORPORATION 38,497 8,606
ANDERSON OIL CORPORATION 38,180 775,248
CAMBRIAN MANAGEMENT LTD 37,814 39,896
BRIDGE OIL COMPANY, L. P. 36,828 965,939
FISCHER OPERATING CORPORATION 35,001 235,528
DENOVO OIL & GAS, INC. 33,707 0
SUMMIT RESOURCES MGMT., LLC. 33,396 0
CHP OIL & GAS COMPANY, L.C. 31,392 0
RODESSA OPERATING COMPANY 29,817 0
RUTHERFORD OIL CORPORATION 29,582 136,025
DOLPHIN PETROLEUM 28,683 15,937
PACE OIL AND GAS COMPANY 27,971 425,395
HIGH PLAINS GAS SYSTEMS, INC. 25,250 1,492,416
SETEX OIL AND GAS COMPANY 23,928 263,763
MCLEOD, GEORGE L. INC. 22,209 373,826
MARQUEE CORPORATION 22,167 0
COASTAL PLAINS EXPLORATION, LLC 21,613 444,141
PARKER & PARSLEY PRODUCING L.P. 20,425 432,910
BROOKLYN UNION EXPLOR. CO., INC. 20,225 348,639
JTB OIL COMPANY, INC. 19,952 114,215
MILAGRO EXPLORATION, LLC 19,472 1,466
SUMMIT RESOURCES 17,666 0
CHOICE EXPLORATION, INC. 17,379 0
WOFFORD, C. J. 17,017 704,107
GEMARMI INC. 15,237 122,873
BECKHAM RESOURCES, INC. 15,005 59,127
BELLOWS, DEWEY OPER. CO., LTD. 14,056 0
A T M CORPORATION 13,988 229,818
MAGNUM ENGINEERING COMPANY 13,260 0
FINA OIL & CHEMICAL COMPANY 12,703 0
WHITEHALL OPERATING INC. 12,565 0
PACE WEST PRODUCTION LC 11,279 23,229
GOLDKING PROD. CO. 10,970 0
CIMARRON ENGINEERING CORP. 10,240 72
PARKER & PARSLEY DEVELOPMENT L.P 9,572 210,854
CARDINAL OPERATING CORPORATION 8,868 89,865
WALLIS ENERGY, INC. 8,539 0
MUELLER ENGINEERING CORP. 8,364 45,880
MISSION RIVER SYSTEMS, INC. 8,138 180,252
HURD ENTERPRISES, LTD. 7,862 130,729
BRIDGE OIL PRODUCTION CO., INC. 7,701 263,213
SUE-ANN PRODUCTION COMPANY 7,643 0
TRANS-PECOS RESOURCES, INC. 7,434 0
WEST TEXAS OPERATING COMPANY,LLC 6,989 0
CORE E & P CORP. 6,927 0
LAQUEY, E. C. 6,219 124,774
MANTLE OIL & GAS, LLC 5,853 1,927,489
DOUBLE PLAY OIL & GAS, INC 5,849 4,840
DINERO OIL CORPORATION 5,425 1,557,789
MAGNUM PRODUCING, LP 5,360 0
J&G OIL & GAS 5,131 441,600
GRUY PETROLEUM MANAGEMENT CO. 4,621 0
ELAND ENERGY, INC. 4,349 0
DISCOVERY ENERGY CORP. CC 4,340 0
ALYNDSON OIL & GAS INC. 4,229 0
L & F DRILLING CO., INC. (1) 3,965 188,224
CRIMSON EXPLORATION OPER., INC. 3,878 11,990
LAQUEY, E.C. ESTATE OF 3,769 3,644
CORE ENERGY CORPORATION 3,644 0
REPUBLIC RESOURCES, LLC. 3,361 468,248
WILD CAT OPERATING COMPANY 3,090 0
COASTAL INVESTMENTS INC. 3,080 0
HARVEY, MIKE W. OIL & GAS 2,986 0
PREVAIL ENERGY, INCORPORATED 2,803 0
SURE FLOW OIL & GAS, INC. 2,455 0
SIMRAY OPERATING CORP. 2,140 10,678
SISTERS OPERATING COMPANY 2,115 0
BAGNALL & BARBER, INC. 1,885 0
CRIMSON EXPLORATION INC. 1,778 223
ALLEGRO INVESTMENTS, INC. 1,688 95,919
KEEN OPERATING COMPANY, INC. 1,470 805
CONSOLIDATED PETRO PTNRS I, LLC 1,427 0
JAY-DEE OPERATING COMPANY 1,355 0
PREVAIL ENERGY, INC 1,228 0
BELLOWS OPERATING CO., L. C. 1,108 0
TRIDENT CORPORATION 1,098 0
D&H-S-S PRODUCTION CO.,INC 1,067 0
LAQUEY, LINDSEY E. SR. ESTATE OF 966 0
PAYNE, B.R. OIL & GAS, INC. 886 0
ENDEAVOR PRODUCTION COMPANY 739 164,250
FULLER PROPERTIES, L. C. 734 0
AMPAK OIL COMPANY 650 90,806
EXPRESS OIL AND GAS 529 0
PULLIN LEASE SERVICE, INC. 399 0
SURE FLOW OIL & GAS COMPANY 399 0
CARTER EXPLORATION COMPANY 113 0
OSR OIL & GAS COMPANY 93 0
ASSOCIATED OPERATING & EXPLOR. 92 0
PAT S P & A, INC. 79 0
VIOLA PROD., INC. 46 0
TIZA ENERGY, INC. 21 0
DRISCOLL S.W.D. INC. 11 0
HERITAGE OPERATING CO., INC. THE 6 0
PONTIAC OIL, INC. 5 0
WENSKE & KESSLER 0 0
FREEHOL-E GAS COMPANY 0 0
TEXAS GULF CO. 0 0
SUNRAY MID-CONTINENT OIL CO. 0 0
G. & M. ENERGY COMPANY 0 0
MUSTANG OIL & GAS CORPORATION 0 0
OMEGA ENERGY CORP. 0 3,249
UNION PACIFIC RESOURCES COMPANY 0 67,164
LUNDBERG OPERATING CORPORATION 0 256,143
ATURA INTERNATIONAL, INC. 0 0
BSE PRODUCTION CO. 0 0
B.N.B. PRODUCTION INC. 0 165,184
PATRICO OIL CO. 0 0
MCCARTER, W. B. JR. 0 622,593
GEISER, D. ALLEN 0 404,940
SONORA EXPLORATION CORPORATION 0 0
MERRIMAC ENERGY CORP. 0 394,106
BP PROD. CORP. 0 0
L & F DRILLING CO. 0 0
JETGAS COMPANY 0 0
SEGURO WELL SERVICE, INC. 0 0
AMAX OIL & GAS INC. 0 50,169
I.T. CORPORATION 0 0
LIVE OAK/OPERATIONS, INC. 0 0
REPUBLIC NATL. GAS CO., ETAL 0 0
B.N.B. PRODUCTION 0 29,881
BRAYTON OIL CORP. 0 180,074
LAPIS OPERATING, INC. 0 0
DOMINION MINERALS CORPORATION 0 0
STARRETT, C. E. 0 0
WAGNER, DUER & CO. 0 97,802
ADT INVESTMENTS, INC. 0 0
DYNAMIC PETROLEUM RES., INC. 0 0
BEACH EXPLORATION, INC. 0 0
PAPALOTE CORP. 0 0
HUNTER PETROLEUM INC. 0 0
SHOWS PIPE & SUPPLY 0 0
OMELVENY, J. M., PROD. CO. 0 0
LIVE OAK RESERVES, INC. 0 408
VALENCE OPERATING COMPANY 0 1,180,316
B & W OILFIELD SERVICE 0 0
BAYOU COMPANY, THE 0 153,454
KLOTZMAN, M. S. EXPLORATION CO. 0 111,767
WILLCO SERVICES 0 0
COASTAL MATERIALS INC. 0 0
NOR-TEX GAS CORPORATION 0 5,779
COMPRESSION - TRANS CARRIERS INC 0 0
SPUR OPERATING CO. 0 115,924
GEC OPERATING, INC. 0 175,290
DISCOVERY PETROLEUM, L.L.C. 0 0
DRILLMAR OPERATING COMPANY 0 790
SAN PATRICIO CORPORATION 0 5,036
TEXAS WESTERN ENERGY CORPORATION 0 11,049
RINCON PETROLEUM CORPORATION 0 495,378
PWI 0 0
COLOMA OIL & GAS CORP. 0 0
M.R.M. OPERATING, INC. 0 1,577
HART PETROLEUM SERVICES, INC 0 135,513
SNOWDEN, H. W. 0 0
PEDECO, INC. 0 530,436
MPG PETROLEUM, INC. 0 0
WYRICK & HUGHES 0 0
MARWELL PETROLEUM, INC. 0 249,672
M. E. OPERATING 0 0
RASMUSSEN, HAL J. OPERATING, INC 0 0
NEWTON CORP.,THE 0 0
HUISACHE OPERATING CO. 0 0
S N D ENERGY COMPANY, INC. 0 0
DILLARD OIL COMPANY 0 0
LIVE OAK GAS COMPANY 0 0
BRIGHAM OIL & GAS, L.P. 0 0
ANAQUA OIL & GAS, INC. 0 732,412
NXL OIL, LLC 0 0
PANHANDLE PROD. & REFG. CO. 0 0
MPG PETROLEUM 0 0
ECLIPSE SERVICES, INC. * 0 0
KTX MANAGEMENT, INC. 0 0
ANDERSON, STEVEN C. 0 770,690
M. J. G., INC. 0 0
PLATINUM EXPLORATION INC. 0 0
AMOCO PRODUCTION COMPANY 0 486,776
MERCY OIL AND GAS, LP 0 0
MESA CHICA CORP. 0 33,425
PACE PRODUCTION CO. 0 50,810
COX & COX PRODUCTION CO. 0 0
GARDNER, J. B. 0 0
M-V COMPANY 0 529,433
PWI-WILLCO, INC. 0 0
PLAINS RESOURCES INC. 0 0
BLUE WING ENERGY, INC. 0 0
GULF COAST OPER. & ENG., INC. 0 0
EXXCEL OPERATING COMPANY 0 0
VANCE, S.R. 0 0
TAL-CON, INC. 0 0
P.O.P. INC. 0 0
AURORA RESOURCES CORPORATION 0 354,166
POOL OPERATING CORPORATION 0 43,150
EDDY, L. R. & MESSER, MARION 0 0
H-M RESOURCE MANAGEMENT, INC. 0 0
KIRKWOOD & MORGAN, INC. 0 0
TEXAS FUEL COMPANY 0 0
MAUDELOWE OIL COMPANY 0 0
JONES, EDWIN M. OIL CO. 0 257,576
BASIC ENERGY SERVICES, L.P. 0 0
ENERGY INTERNATIONAL 0 0
PETRO-TEX SERVICES, INC. 0 0


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