OPERATORS · TEXAS · P-5 NUMBER 613760

North Central Oil Corp.

WindowAll time 90 days 1 year 3 years 10 years

CountyZapata 49 Brazoria 41 Webb 10 Aransas 6 Newton 5 Hidalgo 4 Jasper 3 San Patricio 3 Wharton 3 Brazos 3

129 FILINGS · 126 PERMITS · PAGE 1 OF 3 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jul 28, 2005	602604	Recompletion	Zapata	Haynes, L. #60	9,216	Final completion	50534280	Now Merit Energy Company
Jun 28, 2005	602608	Recompletion	Zapata	Haynes, L. #62	9,753	Final completion	50534426	Now Merit Energy Company
Jun 28, 2005	602603	Recompletion	Zapata	Haynes, L. #64	10,900	Final completion	50534425	Now Merit Energy Company
Aug 27, 2004	550127	Recompletion	Zapata	Decarreon, G G #11	11,200	Final completion	50533958	Now Merit Energy Company
Jul 21, 2004	548447	Recompletion	Zapata	State- Cuatro Cattle Company #1	13,177	Final completion	50534710	Now Merit Energy Company
Jun 22, 2004	547173	Recompletion	Zapata	Cassin, E. W. et Al #2	12,500	Final completion	50534549	Now Merit Energy Company
Aug 1, 2003	534676	Recompletion	Zapata	Sanchez - McMurrey #23	10,900	Final completion	50534297	Now Merit Energy Company
Jun 30, 2003	532625	Recompletion	Zapata	Rathmell, J. G. #26	11,200	Final completion	50534298	Now Merit Energy Company
May 9, 2003	531752	Recompletion	Webb	Russell - Winch #15	10,273	Final completion	47936762	—
Apr 2, 2003	530230	Recompletion	Brazoria	Belcher, W. T. "B" #58	5,997	Final completion	03932609	Now Denbury Onshore LLC
Feb 3, 2003	526709	Recompletion	Webb	Hereford, L. M. #5	8,140	Final completion	47930986	Now Merit Energy Company
Jan 28, 2003	527781	Recompletion	Brazoria	H. O. F. A. #48	6,210	Final completion	03930346	Now Denbury Onshore LLC
Dec 16, 2002	524338	Recompletion	Brazoria	Colby, E. H. #11	6,012	—	03930103	Now Gulf Oil Corp.
Nov 1, 2002	525031	Recompletion	Zapata	Rathmell, J. G. #12	10,575	—	50533152	Now Plains Exploration & Prod. Co.
Oct 24, 2002	524831	Recompletion	Zapata	Rathmell, J. G. #19	10,800	Final completion	50533680	Now Pogo Producing Company
Oct 11, 2002	522912	Recompletion	Brazoria	Colby, E. H. #15	5,262	Final completion	03930759	Now Denbury Onshore LLC
Oct 9, 2002	524339	Recompletion	Brazoria	Belcher, W. T. "B" #44	5,213	Final completion	03930502	Now Denbury Onshore LLC
Jul 10, 2002	521716	Recompletion	Brazoria	Belcher, W. T. "A" #28	5,700	Final completion	03901273	—
Mar 20, 2002	518448	Recompletion	Zapata	F. G. G. Ranches #2	12,867	Final completion	50533770	Now Merit Energy Company
Dec 19, 2001	515509	Recompletion	Zapata	Rathmell, J. G. #2	10,878	—	50530941	Now Merit Energy Company
Dec 19, 2001	515507	Recompletion	Zapata	Rathmell, J. G. #7	10,800	—	50531645	Now Merit Energy Company
Dec 18, 2001	515510	Recompletion	Zapata	Rathmell, J. G. #3	10,710	—	50530964	Now Pogo Producing Company LLC
Dec 18, 2001	515508	Recompletion	Zapata	Rathmell, J. G. #4	10,528	—	50531166	Now Merit Energy Company
Oct 18, 2001	514559	Recompletion	Zapata	Ncoc Fee Unit #1	10,750	Final completion	50534320	Now Merit Energy Company
Oct 2, 2001	514094	Recompletion	Zapata	Talbert, MM Estate #2	11,020	Final completion	50534387	Now Merit Energy Company
Aug 30, 2001	512155	Recompletion	Zapata	Sanchez - McMurrey #23	10,900	Final completion	50534297	Now Merit Energy Company
Jun 11, 2001	509170	Recompletion	Zapata	Haynes, L. #44	9,827	Final completion	50534141	Now Merit Energy Company
Jun 1, 2001	509504	Recompletion	Zapata	Haynes, Leonard #31	12,207	Final completion	50533681	Now Merit Energy Company
Apr 13, 2001	507724	Recompletion	Zapata	Haynes, L. #46	9,400	Final completion	50534156	Now Merit Energy Company
Mar 28, 2001	506918	Recompletion	Zapata	Rathmell, J. G. #15	10,648	Final completion	50533424	Now Merit Energy Company
Mar 1, 2001	505963	Recompletion	Zapata	Sanchez-McMurrey #21	12,390	—	50534182	Now Merit Energy Company
Feb 23, 2001	504392	Recompletion	Zapata	Rathmell, J. G. #21	11,100	Final completion	50533968	Now Merit Energy Company
Feb 12, 2001	505168	Recompletion	Zapata	Haynes, L. #51	10,888	Final completion	50534237	Now Merit Energy Company
Feb 6, 2001	504880	Recompletion	Zapata	Sanchez-McMurrey #20	11,000	Final completion	50533999	Now Merit Energy Company
Jan 29, 2001	504393	Recompletion	Zapata	Rathmell, J. G. #25	10,600	Final completion	50534077	Now Merit Energy Company
Jan 29, 2001	504391	Recompletion	Zapata	Rathmell, J. G. #22	10,650	Final completion	50534000	Now Merit Energy Company
Oct 4, 2000	500164	Recompletion	Zapata	Haynes, Leonard #32	9,225	Final completion	50533792	Now Merit Energy Company
Sep 27, 2000	498206	Recompletion	Zapata	Rathmell, J. G. #23	10,700	Final completion	50534078	Now Merit Energy Company
Sep 18, 2000	498207	Recompletion	Zapata	Decarreon, G. G. #12	10,700	Final completion	50534076	Now Merit Energy Company
Aug 31, 2000	498873	Recompletion	Zapata	Rathmell, J. G. #17	10,610	Final completion	50533679	Now Merit Energy Company
Jun 16, 2000	496191	Recompletion	Zapata	Sanchez-McMurrey #2	10,710	—	50531078	Now Merit Energy Company
Jun 16, 2000	496190	Recompletion	Zapata	Haynes, Leonard #30	14,206	Final completion	50533617	Now Merit Energy Company
Apr 19, 2000	493780	Recompletion	Zapata	Gutierrez, B. G. #3	11,000	Final completion	50531061	Now Merit Energy Company
Mar 22, 2000	493189	Recompletion	Zapata	Sanchez-McMurrey #14	10,850	Final completion	50533452	—
Mar 9, 2000	492681	Recompletion	Zapata	Rathmell, J. G. #19	10,800	—	50533680	Now Pogo Producing Company
Feb 16, 2000	491215	Recompletion	Zapata	Rathmell, J. G. #20	11,350	Final completion	50533969	Now Merit Energy Company
Feb 4, 2000	491214	Recompletion	Zapata	Sanchez-McMurrey #11	11,150	Final completion	50533094	Now Merit Energy Company
Jan 26, 2000	491350	Recompletion	Zapata	Haynes, Leonard #38	10,800	Final completion	50533998	Now Merit Energy Company
Dec 15, 1999	489461	Recompletion	Webb	H. B. Zachry Unit #2	6,975	Final completion	47936202	—
Nov 9, 1999	489129	Recompletion	Zapata	Decarreon, G. G. #10	10,800	Final completion	50533739	Now Merit Energy Company