LEASE NAME	OIL VOL in BBL	GAS VOL in MCF
STATE TRACT 216	2,349,437	18,011
WELDER B	499,152	1,132,829
BP CHEMICALS	401,910	0
P.W.L.R.	362,649	0
DUNWOODY, CHARLES	358,410	30,568
STATE OF TEXAS #33724	293,284	0
TRAYLOR, MAUDE B.	278,853	16,279,415
STATE TRACT 99	277,940	0
STATE OF TEXAS 33724	275,834	339,060
BROOKING, M.T.	268,123	0
HAHN	156,749	764,071
WELDER, PATRICK H.	148,871	169,836
COOK, J. G.	144,542	0
COOK, J.G.	128,374	0
BENNETT, W. H.	121,050	216,541
GALLINIPPER UNIT	112,627	6,338,503
WELDER, E.H. MRS.	96,558	0
BROOKING, M. T.	95,874	0
DOW POWDERHORN RANCH-EDC	91,934	0
MAXWELL, MAUDE B., MRS.	90,646	0
BENNETT	86,270	0
STATE TRACT #59	79,067	0
WELDER A	65,859	111,256
POWDERHORN COMPANY	60,633	11,657
BOYD, C. H.	60,272	0
WELDER B	59,425	516,877
TRAYLOR, MAUDE B	53,992	1,163,920
LEVINGSTON, A.	53,393	0
TRAYLOR	52,335	0
WELDER D	50,604	0
WELDER, P.H. B13	44,613	0
BOYD, FRANK	44,487	670,644
BENNETT, W.H.	40,956	0
STATE TRACT NO. 77	30,293	783,487
SELLS, KATHERINE MAUDE	28,893	2,753,949
SHOFNER, W. A., ESTATE	28,886	0
POWDERHORN CO.	28,265	61,193
WELDER, MRS. E.H.	28,223	0
WELDER, E. H.	27,987	0
BOYD, HENRY C.	27,294	595,183
QUAIL RIDGE/STATE UNIT	24,651	928,114
WELDER, E.H. MRS	23,928	0
TPIC	21,522	0
STATE TRACT 46	20,613	0
STATE TRACT 210	20,373	7,214
STATE TRACT 66	18,812	0
KNIPLING GAS UNIT	16,902	1,813,263
COLE	16,788	1,462,261
TRAYLOR, MAUDE B., MRS. -A-	15,887	0
CURTIS FOESTER	15,542	112,744
STATE TRACT 72	14,427	418,579
STATE TRACT 177	13,086	426,564
WELDER, P. H. B	12,518	302,857
WELDER, MRS. E. H.	12,465	177,649
STATE TRACT 77	12,296	54,262
STATE TRACT 45	7,542	118,718
KEY, J. T.	5,036	297,370
BROOKING, M. M.	4,854	0
KARCHER	4,518	35,366
STATE TRACT 631L	4,374	0
STATE TRACT 64	3,824	55,850
WELDER, E. H., MRS.	3,479	0
MICHOT, KATE B., MRS.	3,367	0
BISHOP	2,671	0
TRAYLOR, W.L. D	2,597	0
STATE TRACT	2,394	806,288
FRELS ESTATE	2,367	0
HENRY C. BOYD	1,869	0
WELDER, P. H. A	1,649	0
TRAYLOR, M. B. ESTATE	1,358	0
STATE TRACT 79	1,216	0
SMITH, IRMA MAY	888	0
POWDERHORN RANCH	834	287,837
TRULL M	654	0
SELLS, KATHERINE M.	612	0
WELDER, P. H. -C-	534	0
WELDER, P. H., -A-	419	0
WILLIAMS, M.A.	413	0
AUSTIN, P.R.	395	0
SMITH, IRMA MAY ET AL	195	0
E. H WELDER	170	0
WELDER, P. H. -B-	167	0
SHANNON-WELDER-ROBINSON	124	0
MCDONALD, T.A. ESTATE	6	0
KNIPLING	1	0
MARSHALL, H. T.	0	201,054
SELLS , W. M. HEIRS	0	565,695
STATE TRACT 102	0	161,880
STATE TRACT 224	0	847,913
STATE TRACT 94	0	4,904
TRAYLOR, MAUDE B. /OVER TWENTY/	0	0
BAYOU BENGAL B-13	0	99,689
COLE, EMMETT	0	0
WELDER-CLIBURN	0	0
MUELLER, A.W. HEIRS	0	997,291
STATE OF TEXAS TRACT 209	0	647,665
STATE TRACT 184	0	0
STATE TRACT 71 (N/2)	0	89,459
TRAYLOR, M.B. B	0	152,620
ALUMINUM CO. OF AMERICA (FEE)	0	2,883,653
WELDER, P.H -C-	0	396,367
EDC-DOW POWDERHORN RANCH	0	0
HAWES, EMILY P.	0	70,114
MCDONALD, A.B.	0	579,431
SMITH	0	0
STATE TRACT 130	0	934,967
STATE TRACT 38	0	8,217,211
TEXAS STATE TRACT 116	0	1,035,301
TRULL	0	846,188
BOYD, CHARLIE H.	0	80,565
WELDER, P. H. -A-	0	57,018
DEGOLYER	0	6,310,306
MAG.BEACH-KELLERS BAY MELB. G.U.	0	0
SANDERS	0	20,818
STATE TRACT 100	0	556,703
STATE TRACT 22	0	0
STATE TRACT 90	0	2,035,022
TRAYLOR, MAUDE B. -B-	0	0
BAUER SMITH	0	36,814
WELDER, E. H. MRS. (PF)	0	2,148
WELDER, PATRICK H. -A-	0	10,872
GRIFFITH, L. B.	0	22,749
KARCHEN, J. C. ET AL -A-	0	0
MUELLER, A. W. HEIRS	0	1,160,391
STATE OF TEXAS T-A	0	0
TRAYLOR, M. B., EST.	0	609,429
ALEXANDER	0	446,764
WELDER	0	109,749
BROOKING, M.M.	0	1,396,212
WELDER, P. H.-C-	0	3,970
EDC-APD POWDERHORN	0	0
HAWES ESTATE	0	0
MAXWELL, MRS. MAUDE B.	0	357,682
SHOFNER, W.A.	0	491,956
STATE TRACT 127 NO. 1 UNIT	0	212
STATE TRACT 37	0	524
T.S.T. 95	0	0
TRAYLOR, W.L. -D-	0	0
WELDER, P. H. A	0	910,670
DEBORD, ELLA PETERSON	0	0
YUMA-HELEN MELBOURN	0	0
MAG. BEACH-KELLERS BAY ST. G. U.	0	2,510,678
SAN ANTONIO BAY STATE TRACT 164	0	3
STATE TRACT 10	0	423,036
STATE TRACT 89	0	5,824,614
TRAYLOR, MAUDE B. B	0	999,612
BARNETT, P. M. UNIT	0	0
WELDER, E. H. MRS.	0	299,583
COCKE & GOODRICH HEIRS	0	0
WELDER, PATRICK H. A	0	735
GAS UNIT #1 (F-2 SAND)	0	384,302
KAINDL	0	164,507
MICHOT, MRS. KATE B.	0	0
STATE TRACT 176	0	303,040
STATE TRACT 65-S	0	0
WEHMEYER ESTATE	0	614,133
BROOKING, M. T. #2	0	151,130
WELDER, P. H., -B-	0	0
EAST LONG MOTT FIELD UNIT	0	0
HARDY, MABLE L. ET AL	0	0
STATE TRACT 125	0	0
STATE TRACT 28	0	18,377
T.S.T. 117	0	213,355
BOYD, ALEX	0	983,921
DE GOLYER	0	6,326,925
WYNNE, T.L.	0	0
LOCKWOOD, M. G.	0	1,090,620
ROSEN	0	130,250
STATE TRACT -216-	0	353,770
STATE TRACT 215	0	339,146
STATE TRACT 87	0	520,338
TRAYLOR, MAUDE B. B	0	5,714,831
WELDER, E. H. -B-	0	0
CLIBURN RANCH	0	7,407
JENNINGS-SCOTT G. U.	0	42,811
STATE OF TEXAS /TRACT 53/	0	0
STATE TRACT 175	0	0
STATE TRACT 65	0	2,559
WEHMEYER EST.	0	830,034
HARDIE, ELIZABETH K.	0	777,742
MAUDE TRAYLOR A	0	3,389,232
SHOFNER, W. A.	0	555,322
STATE TRACT 119	0	0
STATE TRACT 266	0	27,621
STOFER-EIBAND	0	0
TRAYLOR, W. L. -D-	0	52,191
BISHOP-BRETT	0	46,897
DANIEL, ANTHONY	0	0
WYNNE	0	171,324
ROEMER	0	674,133
STATE TRACT -210-	0	359,241
STATE TRACT 86	0	4,937,266
AUSTIN, P. R.	0	154,957
CLIBURN B	0	10,830
WELDER, P.H. -STRIP-	0	0
FRERICKS, F. L.	0	182,978
HYNES, JAMIE	0	1,388
MELCHER	0	3,767,084
STATE OF TEXAS /TRACT 47/	0	656
STATE TRACT 172	0	0
WEAVER, T. HENSLY	0	0
WELDER, P. H. -STRIP- (PF)	0	162,521
DUNWOODY, CHARLES S. (PF)	0	0
HAINES, MILDRED	0	33,945
MAUDE B. TRAYLOR B	0	2,359,293
STATE TRACT 117	0	815,671
STATE TRACT 26	0	8,378,374
STOFER, M. A.	0	0
TRAYLOR, W. L. D	0	79,175
WELDER, MRS. E.H. B	0	0
DANIEL	0	0
WILSON, WILLIETT UNIT	0	0
STATE TRACT 209	0	628,223
STATE TRACT 85	0	6,769,990
AQUAMARINE UNIT	0	0
WELDER, C	0	3,647
CLIBURN A	0	258,444
WELDER, P.H. -C-	0	668,549
FRERICHS, F. L.	0	963,980
HYNES, J.A.	0	0
MELBOURN, W.C.	0	581,770
STATE TRACT 150-1	0	0
TIGNER	0	131,999
W L TRAYLOR D	0	0
BROOKING, M T	0	73,268
WELDER, P. H. -STRIP-	0	0
DUNWOODY, CHARLES S.	0	0
HAINES	0	215,773
MAUDE B. TRAYLOR	0	1,259,660
SELLS, W. M.	0	154,009
STATE TRACT 116	0	1,198,493
STATE TRACT 257	0	233,970
STATE TRACT NO.77	0	208,581
TRAYLOR, W. L.	0	0
WILLIAMS, O. ET AL	0	0
PREMIER-APPLING	0	0
STATE TRACT H	0	330,682
STATE TRACT 201-S	0	3,758
TRAYLOR, MAUDE A	0	5,380,665
APPLING, W. H. ET AL UNIT	0	0
CLARK, GUSSIE LEE	0	0
WELDER, P.H. -B-	0	0
HYNES - SPILLER	0	0
MELBOURN, W. C.	0	1,394,660
SPILLER, CLAUDIE	0	16,340
STATE TRACT 150	0	1,109,986
STATE TRACT 59	0	44,973
TEXAS STATE TRACT 95	0	0
VANDENBERGE, M. T.	0	4,679
BRIGGS RANCH	0	56,568
WELDER, P. H. -C- (PF)	0	487,100
HAHN, O.F.	0	0
MAUDE B TRAYLOR	0	221,681
SELLS, TRAYLOR D.	0	127,933
STATE TRACT 106, S/2	0	1,716,621
STATE TRACT 254	0	1,002,783
BENNETT, W. H. (PF)	0	0
COX BAY STATE TRACT NO. 59	0	3,647,800
STATE TRACT 210	0	0
STATE TRACT 201	0	58,347
STATE TRACT 78 GU	0	346,157
TRAYLOR, MAUDE	0	63,037
APPLING, F. E. -B-	0	0
WELDER C	0	0
CHATAM, C. H.	0	0
WELDER, P.H. -A-	0	0
FOYLES, E. B.	0	0
HOLLOMAN C	0	303,056
MEEKS, D.W. ET AL B	0	23
SPILLER GAS UNIT	0	266,974
STATE TRACT 146	0	0
TEXAS STATE TRACT 94	0	2,737,683
TRULL HEIRS	0	303,677
DUNCAN, GEORGE O. ET AL	0	0
HAHN, O. F.	0	0
MATAGORDA BAY S.T. 150	0	2,530,280
STATE TRACT 106, N/2	0	158,892
STATE TRACT 240	0	19,891
STATE TRACT D	0	0
TRAYLOR, MAUDE B., MRS.	0	0
WELDER, ELIZA H.	0	0
WILLIAMS, L. D. (PF)	0	0
KELLERS BAY STATE GAS UNIT	0	989,641
STATE TRACT 196	0	0
TRAYLOR, M.B., EST.	0	0
AMERICAN NATIONAL INS. CO.	0	0
BUREN, J.P.	0	0
WELDER, P.H. C	0	939,483
FOESTER, CURTIS	0	0
MEEKS, D. W. ET AL	0	0
STATE TRACT 145	0	82,992
TEXAS STATE TRACT 80	0	0
TRULL B	0	81,961
WELDER, P. H. -B- (PF)	0	29,662
HAHN, A.W.	0	0
MARSHALL, H.T.	0	0
STATE TRACT 106	0	0
STATE TRACT 24	0	28,822
TRAYLOR, MAUDE B. MRS. -A-	0	0
COOK, J.G	0	0
WILLIAMS, L. D.	0	0
KELLERS BAY ST. GAS UNIT	0	1,600,546
STATE OF TEXAS TRACT 53	0	28,715
STATE TRACT 195	0	10,180
STATE TRACT 76	0	0
TRAYLOR, M.B. ESTATE	0	869,603
ALUMINUM COMPANY OF AMERICA FEE	0	9,258,101
WELDER D	0	72,494
BUREN, J. P. GAS UNIT	0	0
FOESTER SHILLING	0	384,910
HENKE-HAHN	0	127,291
MCDONALD-HAHN	0	576,545
STATE TRACT 141	0	567,778
STATE TRACT 42	0	149,231
TEXAS STATE TRACT 125	0	0
BOYD, H. C.	0	0
DILLARD, B. K.	0	0
HAHN A	0	62,082
MARSHALL, H. T. (PF)	0	0
SELLS, KATHERINE	0	422,286
STATE TRACT 105	0	208,388
STATE TRACT 23	0	388,516
STATE TRACT 95 (S/2)	0	98,580
TRAYLOR, MAUDE B. MRS.	0	3,290,454
BEARDEN	0	0
WILLIAMS	0	575,834
KARCHER, J. C. ET AL -A-	0	0
STATE OF TEXAS TRACT 47	0	423,937
STATE TRACT 192	0	792,483
TRAYLOR, M.B. EST.	0	12,883
ALUMINUM CO. OF AMERICA FEE	0	33,909
BULL REDFISH UNIT	0	0
WELDER, P.H. A	0	321,232
FOESTER	0	2,916,418
HENKE	0	864,607
SMITH, DELMAR J. GAS UNIT	0	725,310
STATE TRACT 131	0	0
STATE TRACT 39	0	3,033,630
TEXAS STATE TRACT 117	0	4,635,383
TRULL B	0	741,726
WELDER, P. H. -A- (PF)	0	0
DEGOLYER, E. ET AL	0	164,188

OPERATOR NAME	OIL VOL in BBL	GAS VOL in MCF
PETRO-GUARD COMPANY, INC.	867,522	262,484
CUMMINS & WALKER OIL CO., INC.	764,559	0
AROC (TEXAS) INC.	670,285	675,761
PETRO-GUARD PRODUCTION,L.L.C.	599,592	1,137,180
APACHE CORPORATION	493,796	407,543
CORUM PRODUCTION COMPANY	371,775	5,432,669
NEUMIN PRODUCTION COMPANY	351,923	62,483,383
MCGOWAN WORKING PARTNERS	301,959	183,061
MCGOWAN WORKING PARTNERS, INC.	300,506	89,188
AMERICAN COMETRA, INC.	295,209	1,465,352
ATASCA RESOURCES, INC.	257,074	164,233
UNIT PETROLEUM COMPANY	187,762	458,859
XOG OPERATING LLC	187,699	426,299
BARNHART CO.	185,055	0
ERG RESOURCES, L.L.C.	157,961	56,059
QUINTANA PET. CORP.	135,841	2,210,228
TEXAS PETROLEUM INVESTMENT CO.	127,117	2,543,348
KEBO OIL & GAS, INC.	96,809	876,308
C & E OPERATING, INC.	93,072	11,059,299
TRI-UNION DEVELOPMENT CORP.	88,994	19,978
LAMAR OIL & GAS, INC.	81,421	1,029,587
XERIC OIL & GAS CORPORATION	76,677	173,183
LINC GULF COAST PETROLEUM, INC.	74,450	21,242
CIMAREX ENERGY CO. OF COLORADO	73,759	4,385,574
ENERGY DEVELOPMENT CORP.	70,649	266,011
PRIZE OPERATING COMPANY	66,620	734,151
GRUY PETROLEUM MANAGEMENT CO.	64,983	1,084,259
TE-RAY RESOURCES, INC.	64,954	18,555
DEWBRE PETROLEUM CORPORATION	48,642	88,729
CARTER E&P, LLC	42,306	169,836
PIONEER RESOURCES PRODUCING, L.P	38,931	640,506
PARKER & PARSLEY PRODUCING L.P.	34,437	560,350
HOUSTON HYDROCARBONS, INC. (A)	34,309	0
PI ENERGY, INC.	33,216	1,182,059
MERIDIAN OIL PRODUCTION INC.	32,997	4,783,094
EXXON CORP.	31,152	8,926,191
RINCON PETROLEUM CORPORATION	29,883	54,262
OSYKA PERMIAN, LLC	27,257	308,476
FORMATION RESOURCES LLC	26,545	74,049
CAPCO OFFSHORE OF TEXAS, INC.	25,382	29,362
DALLAS RESOURCES, INC.	24,506	515,959
ESENJAY PETROLEUM CORP.	23,886	2,151,995
BURLINGTON RESOURCES OIL&GAS CO.	22,494	2,243,379
PITCO INVESTMENTS, LTD.	22,119	21,826
RSE, INC.	20,544	0
BISON ENERGY PARTNERS, INC.	18,913	0
UMC PETROLEUM CORPORATION	16,174	1,290,166
CIMARRON ENGINEERING CORP.	15,887	0
ALLEGRO INVESTMENTS, INC.	15,741	1,730,771
ESENJAY EXPLORATION, INC	15,013	1,798,356
OPEX ENERGY, LLC	12,942	0
WHITE OAK OPERATING COMPANY LLC	11,561	0
PHILLIPS ENERGY, INC.	7,786	0
LOMAK PRODUCTION COMPANY	7,074	5,213
BISON ENERGY PARTNERS, LTD.	7,017	0
MERIDIAN OIL INC.	6,738	537,521
FUTURE PETROLEUM COMPANY LLC	6,339	8,079,005
SENTRY EXPLORATION, LLC	5,874	0
KP EXPLORATION, INC.	5,649	0
HANSON PRODUCTION COMPANY	4,518	14,767
HUNT PETROLEUM (AEC), INC.	4,374	0
SENTRY EXPLORATION, INC.	4,249	0
SAN PATRICIO CORPORATION	4,221	180,593
BURLINGTON RESOURCES O & G CO LP	3,587	441,456
TSCHOEPE, ARTHUR J.	2,795	1,082,218
JOVIAN PETROLEUM CORPORATION	2,531	627
LEGADO GULF COAST, LLC	2,422	37,343
VICTORIA OPERATING, INC.	2,373	0
CAMERON ENGINEERING, INC	2,141	443,748
PIONEER NATURAL RES. USA, INC.	1,467	0
TETON PETROLEUM CORPORATION	1,463	57,468
AMERICAN EXPLORATION COMPANY	1,358	592,499
AURORA RESOURCES CORPORATION	1,087	56,568
SUE-ANN OPERATING, L.C.	1,047	0
BRIGHAM OIL & GAS, L.P.	654	2,249,477
MAGNUM PRODUCING & OPERATING CO.	612	0
FINA OIL & CHEMICAL COMPANY	534	876,198
FREDCO	534	1,265,565
SYNERGY PRODUCTION COMPANY	507	1,143,866
GARDNER ENERGY CORPORATION	413	0
HOUSTON EXPLORATION COMPANY, THE	344	55,706
TAOS RESOURCES OPERATING CO LLC	181	42,309
MILLENNIUM ENERGY, LLC	87	0
SYNERGY OIL & GAS, INC. (A)	42	1,531,851
CREST PETROLEUM, LLC	23	489,020
PENN VIRGINIA OIL & GAS CORP.	0	30,189
ELTEX ENERGY GROUP, INC.	0	47,552
H-M RESOURCE MANAGEMENT, INC.	0	153,157
ARBOL RESOURCES, INC.	0	0
SCORE ENERGY COMPANY	0	0
CORPUS CHRISTI LEASEHOLDS, INC.	0	62,105
GENERAL ATLANTIC RESOURCES, INC.	0	1,188,838
CHIEF OPERATING COMPANY	0	0
NEW CENTURY EXPLORATION, INC.	0	86,374
TRITON OIL & GAS CORP.	0	0
HOUSTON OPERATING, INC.	0	426,529
MAC SERVICES, INC.	0	0
SALURIA OPERATING CO., INC.	0	0
STANOTEX, LLC	0	0
PARKER & PARSLEY DEVELOPMENT L.P	0	19,301
SABCO OPERATING COMPANY	0	2,861,492
MARQUEE CORPORATION	0	228,279
GENESIS PRODUCING COMPANY	0	0
VINTAGE PETROLEUM, LLC	0	7,168
R & J ENERGY, INC. (87)	0	0
BOSS EXPL & PROD CORPORATION	0	1,079,546
CONTINENTAL TREND RESOURCES, INC	0	346,157
SABCO OPERATING COMPANY, LLC	0	218,918
WELTMAN, LOUIS H.-STONE, J. G.	0	0
MARWELL PETROLEUM LTD PARTNRSHIP	0	5,824
RIFE OIL PROPERTIES, INC.	0	0
TORCH OPERATING COMPANY	0	0
SURE FLOW OIL & GAS COMPANY	0	0
CITY OIL WELL SERVICE COMPANY	0	0
PRIDE ENERGY COMPANY	0	1,468
INDEPENDENCE DRILLING CORP.	0	0
MATAGORDA RESOURCES CO., INC.	0	0
DREYFUS, LOUIS NATURAL GAS CORP	0	0
CAVALLA ENERGY EXPLORATION CO.	0	15,030
KLOTZMAN, M. S. EXPLORATION CO.	0	5,572
MCMORAN OIL & GAS LLC	0	0
MERIDIAN RESOURCE & EXPL LLC,THE	0	312,355
STERLING OFFSHORE, INC.	0	0
BKN OIL & GAS, INC.	0	0
OCEAN ENERGY, INC.	0	93,949
JOHNSON RESOURCES, INC.	0	0
A.O.E. OPERATORS, INC.	0	0
HENDRIK S HOLDING USA LTD.	0	0
HEMCO DEVELOPMENT, LLC	0	7,183
ALEXANDER, HERBERT R. INC.	0	0
BOZEMAN, JOHN F.	0	7,213
FAULCONER, VERNON E., INC.	0	131,531
TEXAS INDEPENDENT EXPLOR., INC.	0	2,176,013
WILSON HYDROCARBON INC.	0	145,107
DAVIS GULF COAST, INC.	0	128,403
SONTERRA OPERATING, INC.	0	101,697
PETROGULF, CORPORATION	0	3,305
AMERICAN PUMPING & TRUCKING	0	63
ALTA MESA SERVICES, LP	0	238
PG&E RESOURCES OFFSHORE COMPANY	0	340,315
MATAGORDA OPERATING COMPANY	0	13,396
DEVON ENERGY PRODUCTION CO, L.P.	0	0
HILCORP ENERGY COMPANY	0	169,634
CET ENERGY CORPORATION	0	229,802
UNION OIL COMPANY OF CALIFORNIA	0	1,048,379
MAGNUM OPERATING, LLC	0	0
API OPERATING CO.	0	194
WORKOVER OIL WELL SERVICE CO.	0	0
TEXAS INDEPENDENT EXPLOR LTD.	0	1,130,015
TOWER RESOURCES, INC.	0	0
DOMINION OKLAHOMA TEXAS E&P, INC	0	0
RAWHIDE OPERATING, INC.	0	12,781
FLASH GAS & OIL SOUTHWEST, INC.	0	1,410,856
PETROGULF CORPORATION	0	0
ALBRECHT, PHIL A., JR.	0	20,279
VINTAGE PETROLEUM, INC.	0	7,578,442
ENSERCH EXPLORATION, INC	0	197,127
MAIN ENERGY, INC.	0	86,471
PALACE OPERATING COMPANY	0	0
TEXACO E & P INC.	0	0
ACCIDIE EXPLORATION AND DEV.,INC	0	0
GEORGETOWN EXPLORATION, INC.	0	407,038
MILLER OIL CORPORATION	0	0
COCKRELL OIL CORPORATION	0	0
CHESAPEAKE OPERATING, INC.	0	12,259,260
PRIME OPERATING COMPANY	0	13,195,996
STUART, H. A.	0	0
MCCREA, VICTOR C. JR.	0	3,440
PETROGEN, INCORPORATED	0	70,114
COSTILLA PETROLEUM CORPORATION	0	40,156
BONEY ENTERPRISES PROD. CO.	0	16,340
GEODE ENTERPRISES, L.C.	0	244,299
KAISER-FRANCIS OIL COMPANY	0	281,942
RESERVE OPERATING CORP.	0	647,665
CAMTERRA RESOURCES, INC.	0	903,089
EEX CORPORATION	0	12,779
COASTLAND OPERATIONS, LLC	0	0
ANDERSON OIL LTD.	0	1,808
BULA OIL AMERICA, INC.	0	0
KARANKAWA PRODUCING CO.	0	0
CAMOIL, INC.	0	764
DANIEL, ANTHONY	0	0
HUISACHE OPERATING CO.	0	0
HAHN, OSCAR	0	0
GEOSOUTHERN ENERGY CORPORATION	0	0
COSTILLA ENERGY, INC.	0	59,128
XTO ENERGY INC.	0	0
MAGNUM PRODUCING, LP	0	0
STERLING EXPL. & PROD. CO., LLC	0	1,947,451
HIGH ISLAND GAS LLC	0	33,735
DALEN RESOURCES OIL & GAS CO.	0	156,185
BOIS D'ARC OPERATING CORPORATION	0	345
MERIDIAN ENERGY CORP.	0	0
COLOMA OIL & GAS CORP.	0	0
DAVIS OPERATING COMPANY, INC.	0	42,921
PONTIAC OIL, INC.	0	0
EXXON MOBIL CORPORATION	0	1,973,346
DARCY ENERGY LLC	0	0
BRIDGE OIL PRODUCTION CO., INC.	0	48,405
VALLEY GATHERING COMPANY	0	22,878
SOUTHWEST OIL & LAND, INC.	0	253,694
MUSTANG OIL & GAS CORPORATION	0	40,421
SONORA EXPLORATION CORPORATION	0	0
SOUTH BAY RESOURCES, L.L.C.	0	0
BOIS D'ARC OFFSHORE LTD.	0	480,962
SENECA RESOURCES CORPORATION	0	121,232
FRIO ENGINEERING INC.	0	91,479
GALVESTON BAY ENERGY, LLC	0	0
WOOLVERINE PRODUCTION COMPANY	0	0
TRANSTEXAS GAS CORPORATION	0	0
SEADRIFT MANAGEMENT, L.L.C.	0	0
GOETZ SERVICES, INC.	0	0
BEX, INC.	0	0
BRIDGE OIL COMPANY, L. P.	0	94,576

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