OPERATORS · TEXAS · P-5 NUMBER 157689

Clark Oil Co.

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196 FILINGS · 184 PERMITS · PAGE 2 OF 4 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Aug 21, 2008	668220	Drill	Pecos	Ridge #5	850	Final completion	37138395	Acquired from Griffin Petroleum Company
Aug 19, 2008	668223	Drill	Pecos	Ridge #6	850	Final completion	37138396	Acquired from Griffin Petroleum Company
Jun 25, 2008	664170	Drill	Pecos	Ridge #4	650	Unperforated completion	37138339	Acquired from Griffin Petroleum Company
May 23, 2008	661459	Drill	Pecos	Ridge #3	650	Final completion	37138306	Acquired from Griffin Petroleum Company
Apr 10, 2008	658255	Drill	Pecos	Ridge #2	650	Final completion	37138261	Acquired from Griffin Petroleum Company
Jan 15, 2008	652688	Drill	Pecos	Ridge #1	650	Final completion	37138175	Acquired from Griffin Petroleum Company
Jan 15, 2008	652688Amendment	Drill	Pecos	Ridge #1	650	Spudded	37138175	Acquired from Griffin Petroleum Company
Oct 5, 2007	646707	Drill	Pecos	Ashlee #18	650	Final completion	37138087	Acquired from Griffin Petroleum Company
Jun 21, 2007	640620	Drill	Pecos	Ashlee #17	650	Final completion	37137968	Acquired from Griffin Petroleum Company
May 24, 2007	638810	Drill	Pecos	Ashlee #16	650	Final completion	37137953	Acquired from Griffin Petroleum Company
Apr 27, 2007	637752	Drill	Pecos	Ashlee #15	800	Final completion	37137926	Acquired from Griffin Petroleum Company
Mar 19, 2007	635025	Drill	Pecos	Ashlee #14	725	Final completion	37137891	Acquired from Griffin Petroleum Company
Jan 30, 2007	632623	Recompletion	Crockett	Shannon, J. M. Estate -C- #7	2,600	Final completion	10535807	Acquired from Sundown Energy LP
Jan 5, 2007	631037	Drill	Pecos	Ashlee #13	700	Final completion	37137841	Acquired from Griffin Petroleum Company
Nov 1, 2006	628352	Drill	Pecos	Ashlee #12	650	Final completion	37137815	Acquired from Griffin Petroleum Company
Sep 6, 2006	625421	Drill	Pecos	Ashlee #11	900	Final completion	37137782	Acquired from Griffin Petroleum Company
Jul 17, 2006	622699	Recompletion	Pecos	Ashlee #1	450	—	37137460	Acquired from Griffin Petroleum Company
Apr 7, 2006	617200	Drill	Pecos	Ashlee #10	700	Final completion	37137706	Acquired from Griffin Petroleum Company
Feb 22, 2006	614695	Drill	Pecos	Leslie #3	700	Final completion	37137674	Acquired from Griffin Petroleum Company
Feb 22, 2006	614694	Drill	Pecos	Leslie #2	700	Final completion	37137673	Acquired from Griffin Petroleum Company
Jan 6, 2006	611986	Recompletion	Crockett	Shannon Estate -B- #58	2,400	Final completion	10534464	Acquired from Sundown Energy LP
Nov 2, 2005	608819	Drill	Pecos	Leslie #1	700	Final completion	37137638	Acquired from Griffin Petroleum Company
Nov 2, 2005	608811	Drill	Pecos	Ashlee #8	900	Final completion	37137637	Acquired from Griffin Petroleum Company
Aug 19, 2005	605202	Drill	Pecos	Ashlee #7	800	Final completion	37137609	Acquired from Griffin Petroleum Company
Aug 18, 2005	605176	Drill	Pecos	Ashlee #6	800	Final completion	37137608	Acquired from Griffin Petroleum Company
Jul 25, 2005	603900	Reenter	Crockett	Shannon, J.M., Est.-A- #6	2,528	Final completion	10503232	Acquired from Sundown Energy LP
Jun 21, 2005	602321	Drill	Pecos	Ashlee #4	850	Final completion	37137581	Acquired from Griffin Petroleum Company
Jun 21, 2005	602321Amendment	Drill	Pecos	Ashlee #4	850	Spudded	37137581	Acquired from Griffin Petroleum Company
Jun 21, 2005	602320	Drill	Pecos	Ashlee #5	850	Final completion	37137582	Acquired from Griffin Petroleum Company
Jun 21, 2005	602320Amendment	Drill	Pecos	Ashlee #5	850	Spudded	37137582	Acquired from Griffin Petroleum Company
Mar 7, 2005	558480	Drill	Pecos	Ashlee #3	800	Final completion	37137544	Acquired from Griffin Petroleum Company
Feb 28, 2005	558257	Drill	Pecos	Yates, I. G. "61" #7	800	Final completion	37137543	Acquired from Griffin Petroleum Company
Oct 26, 2004	552836	Drill	Pecos	Ashlee #2	850	Final completion	37137461	Acquired from Griffin Petroleum Company
Oct 26, 2004	552834	Drill	Pecos	Ashlee #1	600	Final completion	37137460	Acquired from Griffin Petroleum Company
Aug 12, 2004	549222	Recompletion	Crockett	Shannon, J. M. Est. B #4	2,600	Final completion	10502776	Acquired from Sundown Energy, Inc.
Aug 12, 2004	549221	Recompletion	Crockett	Shannon 2 #1	2,600	—	10502838	Acquired from Sundown Energy, Inc.
Aug 12, 2004	549220	Recompletion	Crockett	Shannon, J. M. Est. A #9	2,600	—	10502843	Acquired from Sundown Energy, Inc.
Aug 12, 2004	549219	Recompletion	Crockett	Shannon, J. M. Est. A #1	2,600	—	10503220	Acquired from Sundown Energy, Inc.
Mar 17, 2004	543364	Recompletion	Crockett	Shannon Estate -B- #39	2,300	—	10532280	Acquired from Sundown Energy, Inc.
Jan 5, 2004	540332	Recompletion	Crockett	Shannon Estate #5D	2,384	Final completion	10502779	Acquired from Sundown Energy, Inc.
Jun 16, 2003	532994	Drill	Pecos	Yates, I. G. "61" #8	900	Final completion	37137285	Acquired from Delray Oil, Inc.
Nov 20, 2002	525555	Drill	Pecos	Yates, I. G. "61" #6	800	Final completion	37137215	Acquired from Delray Oil, Inc.
Jul 9, 2002	521640	Field transfer	Pecos	Yates, I. G. "61" #2	543	Final completion	37136670	Acquired from Delray Oil, Inc.
Jul 1, 2002	521451	Drill	Pecos	Yates, I. G. "61" #4	800	Final completion	37137176	Acquired from Delray Oil, Inc.
Dec 12, 2001	516086	Drill	Pecos	Yates, I. G. #3	900	Spudded	37137141	Acquired from Wilbanks, Bruce A. Company
Dec 12, 2001	516086Amendment	Drill	Pecos	Yates, I. G. "61" #3	880	Final completion	37137141	Acquired from Delray Oil, Inc.
Jun 6, 2000	495893	Drill	Crockett	Shannon/Sohio/ #14	2,350	Final completion	10538374	Acquired from Energy Production Corporation
Jun 6, 2000	495891	Drill	Crockett	Moore, Etal, Fee No. 1 #7	2,350	Final completion	10538376	Acquired from Energy Production Corporation
Nov 26, 1997	470591	Recompletion	Crockett	Shannon Estate 'B' #1H	2,235	Final completion	10502983	Acquired from Energy Production Corporation
Oct 15, 1997	468874	Recompletion	Crockett	Shannon Estate 'B' #5H	2,300	—	10502993	Acquired from Energy Production Corporation