OPERATORS · TEXAS · P-5 NUMBER 876520

Union Oil Company of California

WindowAll time 90 days 1 year 3 years 10 years

CountyAndrews 645 Van Zandt 480 Gaines 302 Ector 172 Borden 83 Duval 79 Jackson 73 Crockett 71 Hockley 55 Cochran 42

TypeDrill 1600 Recompletion 501 Other 40 Reenter 16 Field transfer 11

2,420 FILINGS · 2,257 PERMITS · PAGE 2 OF 49 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
May 7, 2004	545462	Recompletion	Van Zandt	McPhearson, J.F. 206 #2	2,939	Final completion	46700415	Now Basa Resources Inc.
May 7, 2004	545459	Recompletion	Van Zandt	Dowdle, L. A. 205 #1	2,987	Final completion	46700419	Now Basa Resources Inc.
Apr 23, 2004	544899	Recompletion	Van Zandt	Brawner, L. M. 10 #16	5,650	Final completion	46730981	Now Basa Resources Inc.
Apr 23, 2004	544897	Recompletion	Van Zandt	Brawner, L. M. 10 #13	2,884	Final completion	46701294	Now Basa Resources Inc.
Jan 13, 2004	540683	Recompletion	Van Zandt	Gilbert, H.C. 43 #7	2,994	Final completion	46700979	Now Basa Resources Inc.
Jan 12, 2004	540627	Recompletion	Van Zandt	White, R. V. 502 #2	2,983	Final completion	46700545	—
Jan 9, 2004	539557	Recompletion	Van Zandt	Steward, G. W. 68 #3	2,999	Final completion	46700945	Now Basa Resources Inc.
Jan 9, 2004	539556	Recompletion	Van Zandt	Peters, R. H. 29 #6	2,972	Final completion	46700183	—
Oct 8, 2003	537288	Recompletion	Van Zandt	Swain, W. F. 36 #4	2,958	Final completion	46700621	Now Basa Resources Inc.
Sep 11, 2003	536317	Recompletion	Van Zandt	Swain, W. F. 9 #9	2,932	Final completion	46700441	Now Basa Resources Inc.
Sep 11, 2003	536315	Recompletion	Van Zandt	Maxfield, A. G. 38 #3	2,978	Final completion	46700213	Now Basa Resources Inc.
Sep 11, 2003	536314	Recompletion	Van Zandt	Smith, F. B. 104 #3	2,972	Final completion	46700496	—
Sep 11, 2003	536313	Recompletion	Van Zandt	Maxfield, A. G. 38 #6	2,963	Final completion	46700217	Now Basa Resources Inc.
Apr 4, 2003	529140	Recompletion	Van Zandt	Bracken, J. A. 503 #16	2,900	Final completion	46730850	Now Basa Resources Inc.
Mar 14, 2003	529619	Drill	Mustang IS-LB	S. T. 747-L SE/4 #3	15,500	—	70230264	—
Mar 14, 2003	529615	Field transfer	Mustang IS-LB	S. T. 747-L SE/4 #2	15,500	Final completion	70230261	Now TR Offshore LLC
Mar 7, 2003	529129	Recompletion	Van Zandt	Bracken, J. A. 503 #8	2,500	Final completion	46730639	Now Basa Resources Inc.
Feb 4, 2003	528060	Recompletion	Van Zandt	Brawner, L.M. "10" #16	5,650	Final completion	46730981	Now Basa Resources Inc.
Dec 12, 2002	526308	Drill	Chambers	Rauch #1H	14,000	Plugged dry hole (P&A)	07132241	—
Nov 15, 2002	525384	Recompletion	Henderson	Trinity Materials #2	12,000	—	21330843	Now Perryman Exp. and Prod. LLC
Nov 12, 2002	525414	Recompletion	Van Zandt	Crim B. E. 15 #8	5,100	Final completion	46731062	Now Basa Resources Inc.
Nov 5, 2002	525207	Recompletion	Van Zandt	White, R. V. 500 #3	2,941	Final completion	46700192	—
Oct 23, 2002	524663	Recompletion	Van Zandt	Thompson, I. W. 401 #15	2,100	Final completion	46730763	Now Basa Resources Inc.
Oct 4, 2002	524401	Recompletion	Van Zandt	York, W. A. 13 #11	1,950	Final completion	46730796	Now Basa Resources Inc.
Oct 1, 2002	524235	Recompletion	Van Zandt	Thompson, I.W. 401 #12	2,100	—	46730668	Now Basa Resources Inc.
Oct 1, 2002	524234	Recompletion	Van Zandt	Thompson, I.W. 401 #16	2,100	—	46730769	Now Basa Resources Inc.
Oct 1, 2002	524233	Recompletion	Van Zandt	Swain, O.L. 11 #16	2,100	—	46730712	Now Basa Resources Inc.
Oct 1, 2002	524232	Recompletion	Van Zandt	Brawner, L.M. 10 #4	2,600	—	46700433	Now Basa Resources Inc.
Sep 27, 2002	524120	Recompletion	Van Zandt	Maxfield, A. G. 38 #11	2,500	Final completion	46730594	Now Basa Resources Inc.
Sep 27, 2002	524119	Recompletion	Van Zandt	Murphree, J. J. 31 #1	2,500	Final completion	46700541	—
Sep 18, 2002	523068	Recompletion	Van Zandt	Swain, O. L. 11 "AC" #6	2,951	—	46700514	Now Basa Resources Inc.
Aug 23, 2002	523069	Recompletion	Van Zandt	Crim, B. E. 15 #6	5,320	Final completion	46730996	Now Basa Resources Inc.
Aug 22, 2002	523043	Drill	Van Zandt	Crim, B. E. 15 #8	5,100	—	46731062	Now Basa Resources Inc.
Aug 22, 2002	523043Amendment	Drill	Van Zandt	Crim, B. E. 15 #8	5,100	Final completion	46731062	Now Basa Resources Inc.
Aug 12, 2002	522708	Recompletion	Van Zandt	Cvwu #3001A	3,110	Final completion	46730716	—
Aug 12, 2002	522707	Recompletion	Van Zandt	Swain, O. L. 11B #7	2,922	Final completion	46700515	Now Basa Resources Inc.
Aug 12, 2002	521981	Recompletion	Van Zandt	Smith, L.A. 103 #2	3,015	Final completion	46700502	—
Aug 6, 2002	522564	Recompletion	Van Zandt	Central Woodbine Unit #4012E	3,010	Final completion	46730889	Now Basa Resources Inc.
Aug 6, 2002	522563	Recompletion	Van Zandt	Swain, O. L. 11 #16	2,295	Final completion	46730712	Now Basa Resources Inc.
Aug 6, 2002	522561	Recompletion	Van Zandt	Thompson, I. W. 401 #16	2,425	Final completion	46730769	Now Basa Resources Inc.
Jul 18, 2002	521980	Recompletion	Van Zandt	Bracken, J.A. 503 #12	2,442	Final completion	46730786	Now Basa Resources Inc.
Jul 18, 2002	521979	Recompletion	Van Zandt	Thompson, I.W. 401 #12	2,440	Final completion	46730668	Now Basa Resources Inc.
Jul 3, 2002	521576	Recompletion	Van Zandt	Ray, S. R. #1	6,700	Final completion	46730914	Now Basa Resources Inc.
Jun 25, 2002	521345	Recompletion	Van Zandt	Thompson, I. W. 401 #25	1,600	Final completion	46730912	Now Basa Resources Inc.
Jun 25, 2002	521344	Recompletion	Van Zandt	Brawner, L. M. 10 #4	2,600	Final completion	46700433	Now Basa Resources Inc.
Jun 25, 2002	521343	Recompletion	Van Zandt	Maxfield, A. G. 38 #16	3,000	—	46731018	Now Basa Resources Inc.
Jun 11, 2002	520857	Recompletion	Van Zandt	Thompson, I. W. 401 #19	2,100	Final completion	46730823	Now Basa Resources Inc.
Apr 15, 2002	519111	Recompletion	Van Zandt	Central Van Woodbine Unit #4011H	3,046	Final completion	46730773	Now Basa Resources Inc.
Apr 10, 2002	518977	Drill	Upshur	Dodd, George #1	12,000	—	45931110	—
Apr 9, 2002	518943	Recompletion	Van Zandt	York, W.A. 13 #1	2,236	Final completion	46700554	Now Basa Resources Inc.