OPERATORS · RRC 611669

Noble Engy Prod, Inc

WindowAll time 90 days 1 year 3 years 10 years

CountyHemphill 175 Wheeler 38 Ochiltree 1

214 PERMITS · PAGE 1 OF 5 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Aug 24, 2007	644687	Drill	Hemphill	Carr 12 #1227P	13,500	Final completion	21133979	Now Presidio Petroleum LLC
Aug 7, 2007	640678	Drill	Wheeler	Moore #5002	13,900	—	48332396	—
Jul 27, 2007	642660	Drill	Hemphill	Graham #4625P	14,000	Final completion	21133956	Now Presidio Petroleum LLC
Jul 24, 2007	640683	Drill	Wheeler	Witham #2210	13,900	Spudded	48332398	Now Presidio Petroleum LLC
Jul 24, 2007	640683	Drill	Wheeler	Witham #2210	15,200	Final completion	48332398	Now Presidio Petroleum LLC
Jul 21, 2007	642314	Drill	Hemphill	Graham #4626P	14,000	Final completion	21133951	Now Presidio Petroleum LLC
Jul 13, 2007	641799	Drill	Hemphill	Keeton #5624P	13,500	Final completion	21133946	Now Presidio Petroleum LLC
Jun 25, 2007	640699	Drill	Hemphill	Graham #4606P	14,000	Final completion	21133934	Now Unit Petroleum Company
Jun 25, 2007	640698	Drill	Hemphill	Teas 42 #4219P	13,500	Final completion	21133933	Now Presidio Petroleum LLC
Jun 20, 2007	640514	Drill	Hemphill	Teas 43 #4333P	13,500	Final completion	21133932	Now Presidio Petroleum LLC
May 19, 2007	638945	Drill	Hemphill	Graham #4619P	13,900	Final completion	21133910	Now Unit Petroleum Company
May 19, 2007	638943	Drill	Hemphill	Graham #4610P	13,900	Final completion	21133909	Now Presidio Petroleum LLC
May 19, 2007	638941	Drill	Hemphill	Graham #4603P	13,900	Final completion	21133908	Now Presidio Petroleum LLC
Apr 24, 2007	635361	Drill	Hemphill	Hefley #4130P	13,500	Spudded	21133863	Now Presidio Petroleum LLC
Apr 19, 2007	635352	Drill	Hemphill	Hefley #4129P	13,500	Final completion	21133862	Now Presidio Petroleum LLC
Apr 19, 2007	635292	Drill	Wheeler	McAllister #2214	13,900	Final completion	48332312	Now Presidio Petroleum LLC
Apr 19, 2007	635290	Drill	Wheeler	R. N. Byers Unit #2316	14,000	Final completion	48332311	Now Presidio Petroleum LLC
Apr 18, 2007	635289	Drill	Wheeler	R. N. Byers Unit #2305	14,000	Final completion	48332310	Now Presidio Petroleum LLC
Apr 9, 2007	636330	Drill	Hemphill	Graham #4609P	14,000	Final completion	21133871	Now Presidio Petroleum LLC
Mar 30, 2007	635833	Drill	Wheeler	McAllister North #2206	14,000	Final completion	48332322	Now Presidio Petroleum LLC
Mar 27, 2007	635564	Drill	Hemphill	Holland C #5721P	13,500	Final completion	21133864	Now Presidio Petroleum LLC
Mar 26, 2007	635190	Recompletion	Hemphill	Carr 14 #1402P	11,600	—	21132736	—
Mar 22, 2007	635218	Recompletion	Hemphill	Carr 13 #1310P	10,622	—	21132690	—
Mar 6, 2007	634258	Drill	Hemphill	Graham #4608P	14,000	Final completion	21133850	Now Presidio Petroleum LLC
Feb 28, 2007	634042	Drill	Hemphill	Graham #4623P	14,000	Final completion	21133848	Now Unit Petroleum Company
Feb 27, 2007	633972	Drill	Hemphill	Teas 42 #4205P	13,500	Final completion	21133847	Now Presidio Petroleum LLC
Feb 26, 2007	633966	Drill	Wheeler	McAllister #2212	13,900	Final completion	48332281	Now Presidio Petroleum LLC
Feb 5, 2007	632742	Drill	Hemphill	Teas 43 #4316A	13,500	Final completion	21133837	Now Presidio Petroleum LLC
Feb 1, 2007	632739	Drill	Hemphill	Keeton #5626P	13,500	Spudded	21133836	Now Presidio Petroleum LLC
Feb 1, 2007	632739	Drill	Hemphill	Keeton #5626P	13,500	Final completion	21133836	Now Presidio Petroleum LLC
Jan 31, 2007	632634	Recompletion	Ochiltree	McGarraugh B #4	4,500	—	35730769	—
Jan 25, 2007	632338	Drill	Hemphill	Holland C #5718P	13,500	Final completion	21133828	Now Presidio Petroleum LLC
Jan 25, 2007	632337	Drill	Hemphill	Holland C #5725P	13,500	Final completion	21133829	Now Unit Petroleum Company
Jan 25, 2007	632336	Drill	Hemphill	Carr 14 #1417P	13,500	Final completion	21133827	Now Eqv Operating LLC
Jan 9, 2007	631446	Drill	Hemphill	Carr 12 #1230P	13,500	Final completion	21133813	Now Presidio Petroleum LLC
Jan 8, 2007	631441	Drill	Hemphill	Meek 70 #7025P	13,900	—	21133812	—
Jan 4, 2007	631315	Drill	Wheeler	RN Byers Unit #2309	14,000	Final completion	48332262	Now Presidio Petroleum LLC
Jan 3, 2007	631284	Drill	Hemphill	Graham #4618P	13,900	Final completion	21133811	Now Presidio Petroleum LLC
Jan 3, 2007	631282	Drill	Hemphill	Brotherton #7027P	13,900	—	21133810	—
Jan 3, 2007	631279	Drill	Hemphill	Carr 12 #1219P	13,500	Final completion	21133808	Now Presidio Petroleum LLC
Jan 3, 2007	631278	Drill	Hemphill	Meek 68 #6823P	13,500	Final completion	21133809	Now Presidio Petroleum LLC
Nov 30, 2006	629760	Drill	Hemphill	Vandiver #5420P	13,500	Final completion	21133787	Now Unit Petroleum Company
Nov 14, 2006	629020	Drill	Hemphill	Keeton #5608P	13,500	Final completion	21133770	Now Presidio Petroleum LLC
Nov 14, 2006	629015	Drill	Hemphill	Meek 70 #7016P	14,000	—	21133769	—
Nov 14, 2006	629013	Drill	Hemphill	Meek 70 #7015P	14,000	—	21133771	—
Nov 7, 2006	628665	Drill	Hemphill	Fillingim #4002P	13,500	Final completion	21133766	Now Presidio Petroleum LLC
Nov 7, 2006	628664	Drill	Hemphill	Fillingim #4006P	13,500	Final completion	21133764	Now Unit Petroleum Company
Nov 7, 2006	628663	Drill	Hemphill	Carr 14 #1415A	13,500	Final completion	21133765	Now Presidio Petroleum LLC
Nov 7, 2006	628660	Drill	Hemphill	Carr 14 #1430P	13,500	Final completion	21133763	Now Unit Petroleum Company
Nov 7, 2006	628630	Drill	Hemphill	Teas 42 #4221P	13,500	Final completion	21133762	Now Presidio Petroleum LLC