OPERATORS · RRC 216735

Devon Engy Corp(nevada)

WindowAll time 90 days 1 year 3 years 10 years

CountyCrockett 52 Ward 33 Hemphill 17 Wheeler 13 Irion 10 Andrews 9 Moore 7 Martin 5 Ochiltree 5 Ector 5

TypeDrill 148 Recompletion 20 Other 1 Reenter 1 Field transfer 1

193 PERMITS · PAGE 1 OF 4 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Oct 17, 2005	607975	Reenter	Culberson	Covington State #1	13,500	Unperforated completion	10931359	Acquired from Southwestern Energy Prod. Co.
Feb 17, 2000	491761	Recompletion	Wheeler	Holmes 17 #1	15,404	Final completion	48331450	Now Devon Energy Production Co L.P.
Feb 14, 2000	492044	Drill	Andrews	State FI #11HH	10,950	—	00338579	—
Feb 14, 2000	492044	Drill	Andrews	State FI #11HH	10,950	Final completion	00338579	—
Dec 27, 1999	490139	Drill	Hemphill	Sanders 43 #1	13,700	Final completion	21132398	Now Presidio Petroleum LLC
Aug 4, 1999	486306	Drill	Wheeler	Patterson 17 #1	16,350	Unperforated completion	48331575	Now Devon Energy Production Co L.P.
Jun 4, 1999	484920	Recompletion	Hemphill	Thomas 47 #1	14,110	Final completion	21132257	Now LE Norman Operating LLC
Apr 13, 1999	475352	Drill	Hemphill	Bowers #1258	15,900	Final completion	21132292	Now Mmgl Txph LLC
Mar 22, 1999	483368	Recompletion	Hemphill	Thomas 47 #1	14,700	Final completion	21132257	Now LE Norman Operating LLC
Mar 10, 1999	481701	Drill	Lipscomb	Pundt 244 #1	12,000	Unperforated completion	29532486	Now Devon Energy Production Co L.P.
Feb 15, 1999	482537	Recompletion	Hemphill	Huff 9 #1	15,300	Final completion	21132230	Now Upland Resources LLC
Feb 2, 1999	481859	Field transfer	Wheeler	Truman Zyback 16 #1	15,610	Final completion	48331480	Now Devon Energy Production Co L.P.
Dec 11, 1998	481249	Drill	Wheeler	Hayes, Effie 18 #1	15,700	Final completion	48331562	Now Devon Energy Production Co L.P.
Dec 1, 1998	481086	Drill	Wheeler	Parks 1 #2	16,200	Unperforated completion	48331560	—
Oct 15, 1998	480118	Recompletion	Hemphill	Norris #2	10,500	—	21130277	—
Aug 20, 1998	478777	Drill	Lipscomb	Rogers 461 #1	10,700	Final completion	29532448	Now Wildhorse Operating Company
Jul 17, 1998	476966	Drill	Crockett	Couch 29 #10	7,160	Final completion	10538151	Now Scout Energy Management LLC
Apr 16, 1998	475060	Drill	Wheeler	Zybach, Truman 16 #2	17,000	Unperforated completion	48331536	—
Apr 13, 1998	475236	Drill	Hemphill	Bowers #2251	15,150	Final completion	21132291	—
Feb 25, 1998	473505	Drill	Hemphill	Norris 4 #9	8,150	Final completion	21132276	Now Mmgl Txph LLC
Feb 25, 1998	473504	Drill	Hemphill	Jones, Mary 21 #10	8,200	Final completion	21132275	Now BP America Production Company
Jan 20, 1998	472110	Drill	Hemphill	Stickley 1 #1	16,400	Unperforated completion	21132271	—
Jan 16, 1998	471916	Drill	Wheeler	Holmes 17 #2	17,000	Final completion	48331525	Now Mmgl Txph LLC
Dec 5, 1997	470491	Drill	Wheeler	Zybach 19 #1	16,200	Final completion	48331521	Now Devon Energy Production Co L.P.
Nov 21, 1997	470452	Drill	Wheeler	Helton 18 #1R	16,800	Final completion	48331519	Now Mmgl Txph LLC
Oct 21, 1997	468695	Drill	Hemphill	Thomas 47 #1	14,700	—	21132257	Now LE Norman Operating LLC
Oct 21, 1997	468695	Drill	Hemphill	Thomas 47 #1	14,700	Final completion	21132257	Now LE Norman Operating LLC
Oct 17, 1997	468709	Drill	Crockett	Helbing, Rubing #2504	9,300	Plugged dry hole (P&A)	10537907	—
Aug 25, 1997	466391	Drill	Hemphill	Walser 29 #1	14,500	—	21132246	Now Presidio Petroleum LLC
Aug 25, 1997	466391	Drill	Hemphill	Walser 29 #1	14,500	Final completion	21132246	Now Presidio Petroleum LLC
Jul 14, 1997	464887	Drill	Wheeler	Reid 9 #1	16,200	Final completion	48331508	Now Mmgl Txph LLC
Jun 2, 1997	461390	Drill	Crockett	Helbing, Ruby 27 #4H	9,200	—	10537674	Now Scout Energy Management LLC
Jun 2, 1997	461390	Drill	Crockett	Helbing, Rubing #2704	9,300	Final completion	10537674	Now Scout Energy Management LLC
May 29, 1997	462025	Drill	Andrews	Fsau (Fullerton San Andres Unit) #32X	4,900	Final completion	00338208	Now White Rock Oil & Gas LLC
May 22, 1997	462571	Drill	Moore	Wilbar #4H	3,220	Final completion	34132534	Now Pantera Energy Company
May 22, 1997	462570	Drill	Moore	Sunray #2H	3,332	Final completion	34132533	Now Pantera Energy Company
May 22, 1997	462569	Drill	Moore	Morton #5H	3,568	Final completion	34132538	Now Pantera Energy Company
May 22, 1997	462568	Drill	Moore	McDowell "G" #3H	3,283	—	34132537	Now IP Well Service LLC
May 22, 1997	462568	Drill	Moore	McDowell "G" #3H	3,283	Final completion	34132537	Now IP Well Service LLC
May 22, 1997	462567	Drill	Moore	Drucilla #2H	3,568	Unperforated completion	34132535	Now Pantera Energy Company
May 22, 1997	462566	Drill	Moore	Burnett #2H	3,355	Final completion	34132536	Now Pantera Energy Company
May 16, 1997	461389	Drill	Crockett	Helbing, Ruby 25 #3H	9,100	—	10537673	Now Scout Energy Management LLC
May 16, 1997	461389	Drill	Crockett	Helbing, Ruby #2503	9,100	—	10537673	Now Scout Energy Management LLC
May 16, 1997	461389	Drill	Crockett	Helbing, Rubing #2503	9,300	Final completion	10537673	Now Scout Energy Management LLC
May 9, 1997	462041	Drill	Hemphill	Huff 9 #1	15,300	Final completion	21132230	Now Upland Resources LLC
Apr 25, 1997	461190	Drill	Wheeler	Helton 18 #1	16,200	Spudded	48331498	—
Apr 25, 1997	461190	Drill	Wheeler	Helton 18 #1	16,800	—	48331498	—
Apr 25, 1997	461190	Drill	Wheeler	Helton 18 #1	16,800	Plugged dry hole (P&A)	48331498	—
Apr 14, 1997	460898	Drill	Andrews	Allison, B.T. #2X	5,000	—	00338193	—
Apr 7, 1997	460833	Drill	Ward	University 27 #1H	7,800	—	47534467	—