OPERATORS · RRC 950479

Zachry Oil and Gas Properties

WindowAll time 90 days 1 year 3 years 10 years

CountySutton 20 Irion 20 Crockett 16 Schleicher 13 Tom Green 3 Reeves 1 Sterling 1 Callahan 1 Ward 1 Coke 1

TypeDrill 4 Reclass 4 Recompletion 3 Other 1

80 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jan 29, 2007	632384	Drill	Sutton	Mayer #8A	8,300	Final completion	43538301	Acquired from Mariner Energy, Inc.
Aug 9, 2006	622611	Drill	Sutton	Mayer #6A	8,200	Final completion	43538074	Acquired from Mariner Energy, Inc.
Aug 9, 2006	622610	Drill	Sutton	Mayer #11A	8,200	Final completion	43538073	Acquired from Mariner Energy, Inc.
Jul 18, 2006	622612	Drill	Sutton	Mayer #12A	8,300	Final completion	43538075	Acquired from Mariner Energy, Inc.
Feb 6, 2006	613617	Drill	Sutton	Mayer #9A	8,300	Final completion	43537830	Acquired from Mariner Energy, Inc.
Jan 26, 2006	613098	Drill	Sutton	Mayer #10A	8,300	Final completion	43537813	Acquired from Mariner Energy, Inc.
Jan 9, 2006	612091	Drill	Sutton	Mayer #7A	8,200	Final completion	43537787	Acquired from Mariner Energy, Inc.
Dec 15, 2005	611093	Drill	Sutton	Mayer #5A	8,200	Final completion	43537768	Acquired from Mariner Energy, Inc.
Dec 15, 2005	611092	Drill	Sutton	Mayer #4A	8,200	Final completion	43537767	Acquired from Mariner Energy, Inc.
Jul 7, 2005	603048	Drill	Schleicher	Shell Clayton #3	8,400	Spudded	41332290	Acquired from Encana Oil & Gas(usa) Inc.
Jul 7, 2005	603048	Drill	Schleicher	Shell Clayton #3	8,400	Final completion	41332290	Acquired from Encana Oil & Gas(usa) Inc.
Jun 14, 2005	601942	Drill	Crockett	Sinclair Clayton "11" #6	8,200	Final completion	10539660	Acquired from Encana Oil & Gas(usa) Inc.
Jun 14, 2005	601941	Drill	Crockett	Clayton #3	8,200	Final completion	10539659	Acquired from Encana Oil & Gas(usa) Inc.
May 24, 2005	601056	Drill	Crockett	Sinclair Clayton "11" #4	8,000	Final completion	10539633	Acquired from Encana Oil & Gas(usa) Inc.
May 19, 2005	600847	Drill	Crockett	Shell Clayton "12" #4	8,900	Final completion	10539630	Acquired from Encana Oil & Gas(usa) Inc.
Mar 9, 2005	557792	Drill	Crockett	Clayton, Sinclair "11" #5	8,900	Final completion	10539549	Acquired from Encana Oil & Gas(usa) Inc.
Feb 17, 2005	557795	Drill	Crockett	Clayton #2	8,900	Final completion	10539550	Acquired from Encana Oil & Gas(usa) Inc.
Feb 16, 2005	557792	Drill	Crockett	Sinclair Clayton "11" #5	8,900	—	10539549	Acquired from Encana Oil & Gas(usa) Inc.
Feb 16, 2005	557786	Drill	Crockett	Clayton, Sinclair "11" #3	8,900	Final completion	10539548	Acquired from Encana Oil & Gas(usa) Inc.
Feb 16, 2005	557785	Drill	Crockett	Sinclair Clayton "10" #6	8,500	Final completion	10539547	Acquired from Encana Oil & Gas(usa) Inc.
Jan 26, 2005	556613	Drill	Crockett	Sinclair Clayton "10" #3	8,200	Final completion	10539526	Acquired from Encana Oil & Gas(usa) Inc.
Jan 24, 2005	556664	Drill	Crockett	Sinclair Clayton "10" #4	8,200	Final completion	10539527	Acquired from Encana Oil & Gas(usa) Inc.
Nov 4, 2003	538107	Drill	Schleicher	Mayer #3A	8,500	Final completion	41332184	Acquired from C & F Petroleum, Inc.
Oct 23, 2003	537714	Drill	Schleicher	Mayer #2A	8,500	Final completion	41332183	Acquired from C & F Petroleum, Inc.
Oct 23, 2003	537713	Drill	Sutton	Mayer #1A	8,500	Final completion	43536530	Acquired from C & F Petroleum, Inc.
Apr 19, 2002	519164	Recompletion	Callahan	Dyer #1057	4,232	Final completion	05931048	Now Quail Well Service Inc.
Aug 7, 1997	463530	Reclass	Crockett	Halff Field Unit #1308	1,940	—	10534987	—
Aug 7, 1997	463529	Reclass	Crockett	Halff Field Unit #1009	2,000	—	10534996	—
Jul 3, 1997	463532	Reclass	Crockett	Halff Field Unit #2121	2,000	—	10534983	—
Jun 10, 1997	463528	Reclass	Crockett	Halff Field Unit #1701	1,792	Final completion	10501605	Now Ecowell Oil and Gas LLC
May 21, 1997	462721	Drill	Crockett	Shell Clayton #2012R	8,100	Final completion	10537709	Acquired from Brown, Tom Inc.
Aug 1, 1994	425673	Recompletion	Culberson	Culberson "AB" Fee #1	3,445	Final completion	10931552	Now Storm Peak Energy LLC
Dec 20, 1991	394482	Recompletion	Schleicher	Page #204	5,578	Final completion	41300140	Now Tradition Resources Oper LLC
Jan 5, 1989	354900	Drill	Pecos	Reed #1	5,300	Final completion	37136131	Acquired from Griffin Petroleum Company
Oct 21, 1988	352566	Drill	Sutton	Mayer Ranch #19	8,700	—	43533441	Acquired from Statex Petroleum Inc.
Oct 21, 1988	352566	Drill	Sutton	Mayer Ranch #19	8,700	—	43533441	Acquired from Statex Petroleum Inc.
Oct 21, 1988	352566	Drill	Sutton	Mayer Ranch #19	8,700	Final completion	43533441	Acquired from Statex Petroleum Inc.
Jun 24, 1988	348208	Drill	Sutton	Mayer Ranch #18	8,600	Final completion	43533422	Acquired from Statex Petroleum Inc.
Jun 24, 1988	348208	Drill	Sutton	Mayer Ranch #18	8,600	—	43533422	Acquired from Primary Fuels, Inc.
Aug 13, 1987	334435	Drill	Schleicher	Mayer Ranch #16	8,300	Final completion	41331639	Acquired from Statex Petroleum Inc.
Aug 11, 1987	334165	Drill	Schleicher	Mayer Ranch #17	8,200	—	41331637	Acquired from Statex Petroleum Inc.
Aug 11, 1987	334165	Drill	Schleicher	Mayer Ranch #17	8,400	Final completion	41331637	Acquired from Statex Petroleum Inc.
Aug 11, 1987	334164	Drill	Sutton	Mayer Ranch #15	8,200	—	43533364	Acquired from Statex Petroleum Inc.
Aug 11, 1987	334164	Drill	Sutton	Mayer Ranch #15	8,500	—	43533364	Acquired from Statex Petroleum Inc.
Aug 11, 1987	334164	Drill	Sutton	Mayer Ranch #15	8,500	Final completion	43533364	Acquired from Statex Petroleum Inc.
Jul 24, 1987	333410	Drill	Sutton	Mayer Ranch #13	8,300	—	43533355	Acquired from Statex Petroleum Inc.
Jul 24, 1987	333410	Drill	Sutton	Mayer Ranch #13	8,300	—	43533355	Acquired from Statex Petroleum Inc.
Dec 30, 1985	293817	Drill	Irion	Noelke "A" #2	7,200	Final completion	23532723	Acquired from Tatonka Operating, Inc.
Dec 10, 1985	292530	Drill	Irion	Charlton #3A	1,250	Plugged dry hole (P&A)	23532716	—
Nov 8, 1985	290060	Drill	Irion	Texaco 215 #4	6,800	Final completion	23532694	Acquired from Hanley Petroleum Inc.