OPERATORS · TEXAS · P-5 NUMBER 611669

Noble Energy Production, Inc.

WindowAll time 90 days 1 year 3 years 10 years

CountyHemphill 175 Wheeler 38 Ochiltree 1

214 FILINGS · 205 PERMITS · PAGE 2 OF 5 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Nov 7, 2006	628629	Drill	Hemphill	Meek 70 #7026P	14,000	Final completion	21133761	Now Presidio Petroleum LLC
Oct 24, 2006	628015	Drill	Hemphill	Keeton #5609P	13,500	Final completion	21133745	Now Presidio Petroleum LLC
Oct 24, 2006	626643	Drill	Hemphill	Vandiver #5422P	13,500	Final completion	21133727	Now Presidio Petroleum LLC
Oct 5, 2006	627089	Drill	Hemphill	Vandiver #5417P	13,500	Final completion	21133738	Now Unit Petroleum Company
Sep 27, 2006	626637	Drill	Wheeler	McAllister #2213	13,900	Final completion	48332199	Now Presidio Petroleum LLC
Sep 21, 2006	625071	Drill	Wheeler	RN Byers Unit #2307	14,000	Final completion	48332185	Now Presidio Petroleum LLC
Sep 7, 2006	617816	Drill	Wheeler	Hefley, W. R. #1315	10,000	—	48332097	—
Aug 30, 2006	625204	Drill	Hemphill	Dixon #5630P	13,500	Final completion	21133703	Now Presidio Petroleum LLC
Aug 29, 2006	625061	Drill	Hemphill	Vandiver #5419P	13,500	Final completion	21133700	Now Unit Petroleum Company
Aug 28, 2006	625064	Drill	Wheeler	Velasquez #1614	14,000	Final completion	48332184	Now Presidio Petroleum LLC
Aug 28, 2006	625062	Drill	Wheeler	RN Byers Unit #2304	14,000	Final completion	48332183	Now Presidio Petroleum LLC
Aug 28, 2006	625058	Drill	Wheeler	McAllister North #2204	14,000	Final completion	48332182	Now Presidio Petroleum LLC
Aug 28, 2006	625053	Drill	Hemphill	Fillingim #4022P	13,500	Final completion	21133699	Now Unit Petroleum Company
Aug 28, 2006	625051	Drill	Hemphill	Brotherton #7022P	13,500	Final completion	21133698	Now Presidio Petroleum LLC
Aug 28, 2006	625048	Drill	Hemphill	Dixon #5629P	13,500	Final completion	21133697	Now Presidio Petroleum LLC
Aug 28, 2006	625047	Drill	Hemphill	Dixon #5621P	13,500	Final completion	21133696	Now Unit Petroleum Company
Aug 28, 2006	625044	Drill	Hemphill	Teas 42 #4220P	13,500	Final completion	21133695	Now Presidio Petroleum LLC
Aug 28, 2006	625041	Drill	Hemphill	Teas 42 #4218P	13,500	—	21133693	—
Aug 28, 2006	625038	Drill	Hemphill	Teas 42 #4201P	13,500	—	21133694	—
Aug 28, 2006	625037	Drill	Hemphill	Hefley #4124P	13,500	Final completion	21133692	Now Presidio Petroleum LLC
Aug 28, 2006	625031	Drill	Hemphill	Hefley #4117P	13,500	Final completion	21133691	Now Presidio Petroleum LLC
Aug 28, 2006	625030	Drill	Hemphill	Carr 14 #1422P	13,500	Final completion	21133689	Now Presidio Petroleum LLC
Aug 28, 2006	625027	Drill	Hemphill	Carr 14 #1419P	13,500	Final completion	21133690	Now Unit Petroleum Company
Aug 28, 2006	625026	Drill	Hemphill	Carr 14 #1425P	13,500	Final completion	21133688	Now Presidio Petroleum LLC
Aug 17, 2006	624507	Drill	Hemphill	Hefley #4118P	13,500	Final completion	21133683	Now Presidio Petroleum LLC
Aug 8, 2006	623987	Drill	Hemphill	Brotherton #7011P	13,500	Final completion	21133680	Now Presidio Petroleum LLC
Jul 25, 2006	623153	Drill	Wheeler	Moore #5003	14,000	Final completion	48332165	Now Unit Petroleum Company
Jul 21, 2006	622512	Drill	Hemphill	Pearson #5523P	13,500	Final completion	21133656	Now Unit Petroleum Company
Jul 14, 2006	622511	Drill	Hemphill	Fillingim #4019P	13,500	Final completion	21133658	Now Presidio Petroleum LLC
Jul 14, 2006	622510	Drill	Hemphill	Teas 42 #4232P	13,500	Final completion	21133655	Now Eqv Operating LLC
Jul 14, 2006	622508	Drill	Hemphill	Carr 14 #1431P	13,500	Final completion	21133654	Now Unit Petroleum Company
Jul 12, 2006	622461	Drill	Hemphill	Carr 14 #1423P	13,500	Final completion	21133652	Now Unit Petroleum Company
Jul 12, 2006	622460	Drill	Hemphill	Hefley #4120P	13,500	Final completion	21133651	Now Presidio Petroleum LLC
Jul 12, 2006	622457	Drill	Hemphill	Meek 70 #7024P	13,500	Final completion	21133650	Now Presidio Petroleum LLC
Jul 12, 2006	622455	Drill	Hemphill	Hefley #4121P	13,500	Final completion	21133649	Now Presidio Petroleum LLC
Jul 12, 2006	622454	Drill	Hemphill	Pearson #5517P	13,500	—	21133648	Now Unit Petroleum Company
Jul 12, 2006	622454Amendment	Drill	Hemphill	Pearson #5517P	13,500	Final completion	21133648	Now Unit Petroleum Company
Jul 11, 2006	621489	Drill	Wheeler	RN Byers Unit #2302	14,000	Final completion	48332143	Now Presidio Petroleum LLC
Jun 30, 2006	621863	Drill	Wheeler	Withem #2215	14,000	Final completion	48332147	Now Presidio Petroleum LLC
Jun 29, 2006	621785	Drill	Wheeler	E.B. Street #1511	14,000	Final completion	48332146	Now Presidio Petroleum LLC
May 26, 2006	619996	Drill	Wheeler	Sessom #2901	14,000	Final completion	48332121	Now Unit Petroleum Company
May 25, 2006	619893	Drill	Hemphill	Holland C #5726P	13,500	Final completion	21133614	Now Unit Petroleum Company
May 25, 2006	619892	Drill	Hemphill	Holland C #5719P	13,500	Final completion	21133613	Now Unit Petroleum Company
May 25, 2006	619889	Drill	Hemphill	Teas 43 #4324P	13,500	Final completion	21133612	Now Presidio Petroleum LLC
May 25, 2006	619887	Drill	Hemphill	Teas 43 #4318P	13,500	Final completion	21133610	Now Presidio Petroleum LLC
May 25, 2006	619882	Drill	Hemphill	Carr-Muse 55 #5519P	13,500	Final completion	21133609	Now Unit Petroleum Company
May 25, 2006	619881	Drill	Hemphill	Carr 12 #1232P	13,500	—	21133608	—
May 25, 2006	619876	Drill	Hemphill	Carr 12 #1231P	13,500	Final completion	21133603	Now Unit Petroleum Company
May 25, 2006	619875	Drill	Hemphill	Carr 12 #1225P	13,500	Final completion	21133607	Now Presidio Petroleum LLC
May 25, 2006	619872	Drill	Hemphill	Carr 12 #1223P	13,500	Final completion	21133606	Now Presidio Petroleum LLC