OPERATORS · TEXAS · P-5 NUMBER 54700

Bass Enterprises Production Co.

WindowAll time 90 days 1 year 3 years 10 years

CountyWinkler 247 Lavaca 89 Hockley 62 Crockett 40 San Patricio 31 Fort Bend 30 Starr 29 Wharton 29 Crane 24 Loving 20

TypeDrill 460 Recompletion 245 Other 25 Reenter 3 Field transfer 1

819 FILINGS · 751 PERMITS · PAGE 2 OF 17 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jul 15, 2003	534005	Recompletion	San Patricio	Portland Gas Unit "B" #1	10,954	Side one multi completion	40920119	Now Sulphur River Exploration Inc.
Jun 25, 2003	533502	Recompletion	Winkler	M. J. Hill Acct 3 #9	11,940	Final completion	49503872	Now Hilcorp Energy Company
Apr 11, 2003	530390	Recompletion	San Patricio	Portland Gas Unit "D" #2	11,860	Side one multi completion	40931560	Now Sulphur River Exploration Inc.
Apr 9, 2003	530317	Recompletion	Lavaca	Neuhaus Unit #3	9,213	Final completion	28531312	Now Capital Star Oil & Gas Inc.
Apr 3, 2003	530196	Recompletion	Hockley	Lauhoff, L. L. #9H	5,057	Final completion	21933036	Now Hilcorp Energy Company
Mar 12, 2003	529482	Recompletion	Hockley	Hefner, R. A. #9H	5,070	Final completion	21900069	Now Hilcorp Energy Company
Mar 11, 2003	529443	Recompletion	Lavaca	Bonorden Gas Unit #2	9,500	Final completion	28532125	Now Capital Star Oil & Gas Inc.
Mar 5, 2003	529194	Drill	Fort Bend	Baptist Foundation #1	8,500	Spudded	15732214	—
Mar 5, 2003	529194Amendment	Drill	Fort Bend	Baptist Foundation #1	9,000	Plugged dry hole (P&A)	15732214	—
Mar 4, 2003	528906	Recompletion	Hockley	Barry Unit #8H	5,048	Final completion	21903208	Now Hilcorp Energy Company
Mar 4, 2003	528903	Recompletion	Hockley	Barry Unit #2H	5,038	Final completion	21903209	Now Hilcorp Energy Company
Feb 28, 2003	528892	Recompletion	Hockley	Hefner, R. A. #8H	5,064	Final completion	21900068	Now Hilcorp Energy Company
Feb 12, 2003	528331	Recompletion	Hockley	Slaughter, R. L. Jr. C #8H	5,083	Final completion	21901721	Now Hilcorp Energy Company
Feb 12, 2003	528153	Recompletion	Winkler	Bashara, M. J. #69 W	4,700	Final completion	49531700	Now Hilcorp Energy Company
Feb 7, 2003	528156	Recompletion	Winkler	J. B. Walton #109W	4,600	Final completion	49531806	Now Hilcorp Energy Company
Jan 24, 2003	527687	Recompletion	Hockley	R. L. Slaughter Jr. TR 47 #34H	5,055	Final completion	21901749	Now Hilcorp Energy Company
Jan 24, 2003	527686	Recompletion	Hockley	S. A. Slaughter "B" #30H	5,082	Final completion	21901801	Now Hilcorp Energy Company
Jan 22, 2003	527597	Recompletion	Brooks	El Coyote "C" #13	12,150	—	04731686	—
Jan 2, 2003	526605	Recompletion	Winkler	Bashara, M. J. #35	4,609	—	49503711	Now Hilcorp Energy Company
Jan 2, 2003	526605Amendment	Recompletion	Winkler	Bashara, M. J. #35	4,609	Final completion	49503711	Now Hilcorp Energy Company
Dec 9, 2002	526195	Drill	Fort Bend	George Ranch #1SD	5,000	Final completion	15732208	Now Lakeshore Operating LLC
Nov 26, 2002	525823	Drill	Andrews	University 39 #1	13,000	Final completion	00339027	Now Ovintiv USA Inc.
Nov 21, 2002	525678	Drill	Fort Bend	George Ranch #6	11,500	Final completion	15732206	Now Bopco L.P.
Nov 15, 2002	525528	Drill	Ward	Hathaway, J. F. #32	5,000	Final completion	47534768	Now Crescent Energy Operating LLC
Oct 2, 2002	524228	Drill	Fort Bend	George Ranch #10	10,500	Final completion	15732198	Now Bopco L.P.
Aug 7, 2002	522569	Drill	Fort Bend	George Ranch #7	10,500	Final completion	15732195	Now Lakeshore Operating LLC
Jul 16, 2002	521813	Drill	Fort Bend	George Ranch #8	13,500	—	15732191	—
Jul 16, 2002	521813Amendment	Drill	Fort Bend	George Ranch #8	14,000	Plugged dry hole (P&A)	15732191	—
Jul 1, 2002	521486	Drill	Andrews	University B #1	13,000	—	00338990	—
Jul 1, 2002	521485	Drill	Andrews	University 38 BQ #1	13,000	Spudded	00338991	—
Jun 24, 2002	521281	Recompletion	Fort Bend	George Ranch #4	11,995	Final completion	15732147	Now Lakeshore Operating LLC
Jun 13, 2002	520951	Recompletion	Fort Bend	George Ranch #5	13,395	Final completion	15732166	Now Lakeshore Operating LLC
Mar 28, 2002	518605	Recompletion	Fort Bend	George Ranch #3	11,870	Final completion	15732148	Now Lakeshore Operating LLC
Feb 11, 2002	516767	Drill	Nueces	East Redfish Bay Gas Unit #1	13,000	—	35533441	—
Feb 11, 2002	516767Amendment	Drill	Nueces	E.R.B.G.U.-State Tract 390 #4	10,500	—	35533441	—
Feb 11, 2002	516767Amendment	Drill	Nueces	State Tract 390 #4	10,500	Plugged dry hole (P&A)	35533441	—
Dec 21, 2001	516386	Drill	Andrews	University 38 #1	13,000	Final completion	00338944	Now Ovintiv USA Inc.
Oct 11, 2001	514316	Drill	Nueces	State Tract 391 #2	8,800	—	35533421	—
Oct 10, 2001	514285	Drill	Fort Bend	George Ranch #5	13,800	Final completion	15732166	Now Lakeshore Operating LLC
Oct 10, 2001	514284	Drill	Nueces	State Tract 401 #1	8,800	Plugged dry hole (P&A)	35533420	—
Aug 3, 2001	511026	Drill	Andrews	University "A" #3	13,000	Final completion	00338843	Now Ovintiv USA Inc.
Jul 31, 2001	512084	Recompletion	Hockley	Slaughter, S. A. "B" #33H	5,025	—	21901803	Now Hilcorp Energy Company
Jul 31, 2001	512083	Recompletion	Hockley	Slaughter, S. A. B #13H	5,040	—	21901783	Now Hilcorp Energy Company
Jul 31, 2001	512083Amendment	Recompletion	Hockley	Slaughter, S. A. B #13H	5,040	Final completion	21901783	Now Hilcorp Energy Company
Jul 31, 2001	512082	Recompletion	Hockley	Slaughter, S. A. "B" #37H	5,000	Final completion	21901641	Now Hilcorp Energy Company
Jul 31, 2001	512081	Recompletion	Hockley	Slaughter, S. A. "B" #36H	5,020	Final completion	21901806	Now Hilcorp Energy Company
Jul 31, 2001	512080	Recompletion	Hockley	Slaughter, S. A. "B" #14H	5,050	—	21901785	Now Hilcorp Energy Company
Jul 31, 2001	512079	Drill	Hockley	Barry Unit #7H	5,040	—	21903206	Now Hilcorp Energy Company
Jul 31, 2001	512078	Recompletion	Hockley	Barry Unit #6H	5,040	—	21901684	Now Hilcorp Energy Company
Jul 31, 2001	512077	Recompletion	Hockley	Barry Unit #2H	5,040	—	21903209	Now Hilcorp Energy Company