OPERATORS · TEXAS · P-5 NUMBER 216995

Diamond Shamrock Exploration Co.

WindowAll time 90 days 1 year 3 years 10 years

CountyOchiltree 80 Sutton 44 Hemphill 44 Lipscomb 39 Roberts 30 Glasscock 23 Moore 22 Parker 12 Throckmorton 7 Stonewall 4

TypeDrill 288 Recompletion 34

345 FILINGS · 339 PERMITS · PAGE 2 OF 7 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
May 23, 1986	302472	Drill	Lipscomb	Barton, JO et Al #4511	9,800	Final completion	29531711	Now BP America Production Company
May 23, 1986	302486	Recompletion	Ochiltree	Boisdorf, Genevieve G. #2	8,625	Final completion	35731732	Now Presidio Petroleum LLC
May 2, 1986	301777	Drill	Sherman	Bywater Estate #4	3,350	—	42130368	—
Apr 3, 1986	300571	Drill	Glasscock	Calverley, Steve Jr. "B" #1014	8,200	Plugged dry hole (P&A)	17331947	—
Apr 3, 1986	300566	Drill	Glasscock	Calverley, Theora #3032	8,000	Plugged dry hole (P&A)	17331946	—
Mar 24, 1986	300050	Drill	Moore	Flores #29	3,350	Spudded	34131901	Now BP America Production Company
Mar 24, 1986	300050Amendment	Drill	Moore	Flores #29	3,350	Final completion	34131901	Now BP America Production Company
Mar 7, 1986	299145	Drill	Lipscomb	Cowan, R. H. Jr. #2	9,800	Plugged dry hole (P&A)	29531697	—
Mar 5, 1986	298994	Drill	Lipscomb	Kelln, David A. et Al #4	11,049	—	29531695	—
Mar 5, 1986	298994Amendment	Drill	Lipscomb	Kelln, David A. et Al #4	11,049	Plugged dry hole (P&A)	29531695	—
Feb 26, 1986	298641	Drill	Glasscock	Calverley 24 #9	8,100	—	17331943	—
Feb 26, 1986	298631	Drill	Lipscomb	Wright #2075	11,250	—	29531694	—
Feb 25, 1986	298636	Drill	Hemphill	Brown, J. T. et al "D" #11	12,250	Final completion	21131823	Now Blackbeard Operating LLC
Feb 19, 1986	298350	Recompletion	Ochiltree	Mekeel, Leland E. "B" #1	9,370	—	35700413	Now Apache Corporation
Feb 13, 1986	297653	Recompletion	Frio	Big Foot Olmos "B" Unit #7016	3,450	—	16300574	Now Oilex Int L Investments Inc.
Feb 11, 1986	297584	Drill	Moore	McDowell #14	3,250	Plugged dry hole (P&A)	34131895	—
Feb 10, 1986	297275	Drill	Parker	Byers Gas Unit #3	6,100	Final completion	36732979	Now Riverbirch Resources LLC
Feb 3, 1986	297452	Drill	Hemphill	Brown, Charles E. et al "A" #4	11,800	—	21131821	—
Jan 24, 1986	296919	Drill	Roberts	Chambers, Frank M. et al "C" #8	12,005	Final completion	39331028	Now Mmgl Txph LLC
Jan 10, 1986	295024	Drill	Ochiltree	Mekeel, Leland E. et al "B" #2	10,600	Final completion	35731809	Now Apache Corporation
Jan 10, 1986	295198	Drill	Hemphill	Coleman-Graham #6	11,450	—	21131857	Now BP America Production Company
Jan 10, 1986	294956	Recompletion	Parker	Byers Gas Unit #2	5,250	Final completion	36731875	Now Primexx Operating Corporation
Jan 8, 1986	294686	Recompletion	Frio	Bohl, Annie #1	3,650	Final completion	16300143	Now U.S. Jimoil Corporation
Jan 3, 1986	294716	Drill	Glasscock	Calverley, Steve Jr. "B" #9014	8,200	Plugged dry hole (P&A)	17331930	—
Dec 27, 1985	293533	Drill	Hemphill	Murray, Vera M. #9018	11,100	—	21131813	Now BP America Production Company
Dec 23, 1985	293855	Drill	Parker	Moorefield, Joseph C. #4	6,100	Final completion	36732969	Now Formation Resour Field Svcs LLC
Dec 19, 1985	293258	Drill	Hemphill	Coleman-Graham #5	11,800	—	21131811	—
Dec 17, 1985	293532	Drill	Hemphill	Murray, Vera M. #9018	11,100	Final completion	21131813	Now BP America Production Company
Dec 17, 1985	292969	Drill	Ochiltree	McLain, Samuel "D" #2	9,750	—	35731802	—
Dec 13, 1985	293040	Drill	Ochiltree	Rifenburg, Ida O. #4	9,050	—	35731803	—
Dec 6, 1985	292015	Drill	Ochiltree	McGarraugh et al "G" #4138	11,000	Final completion	35731797	Now Presidio Petroleum LLC
Dec 2, 1985	291392	Recompletion	Ochiltree	Mekeel, Leland E. "B" #1	10,600	Final completion	35700413	Now Apache Corporation
Nov 26, 1985	291721	Drill	Roberts	Chambers, Frank M. et al "C" #9	11,000	Final completion	39331067	Now BP America Production Company
Nov 26, 1985	291481	Drill	Sutton	Zapata #1021	6,400	Plugged dry hole (P&A)	43533277	—
Nov 6, 1985	289300	Drill	Glasscock	Calverly, Steve Jr. "B" #7014	8,200	Final completion	17331913	Now Endeavor Energy Resources L.P.
Oct 31, 1985	289019	Drill	Ochiltree	McCalmont, Amelia A. #4	8,600	Final completion	35731773	Now Apache Corporation
Oct 24, 1985	288324	Drill	Ochiltree	Dudley #4032	7,700	Final completion	35731769	Now Midgard Energy Company
Oct 24, 1985	288329	Drill	Ochiltree	Buckminster #313	9,000	Final completion	35731770	Now Apache Corporation
Oct 22, 1985	288034	Drill	Lipscomb	Schoenhals, Valentine "C" #3	9,800	—	29531671	—
Oct 15, 1985	287609	Drill	Glasscock	Calverley 24 #9	8,000	—	17331904	—
Oct 10, 1985	287258	Drill	Hemphill	Hoobler #2096	11,100	—	21131893	—
Oct 7, 1985	286577	Drill	Hemphill	Teague, Lawrence #2	12,000	—	21131796	—
Oct 4, 1985	286726	Drill	Frio	Frio Olmos "B" Unit #1018	3,600	Final completion	16332441	Now Oilex Int L Investments Inc.
Oct 4, 1985	286726Amendment	Drill	Frio	Olmos "B" Unit #1018	3,600	—	16332441	Now Oilex Int L Investments Inc.
Oct 2, 1985	286279	Drill	Ochiltree	Carter, Leona et Al #3	7,000	—	35731762	—
Oct 2, 1985	286244	Drill	Moore	Atcheson #3	3,800	Final completion	34131836	Now Pantera Energy Company
Oct 1, 1985	286193	Drill	Lipscomb	Barton, JO et Al #3511	9,800	Plugged dry hole (P&A)	29531665	—
Sep 30, 1985	286331	Drill	Sherman	Hill Estate "B" #2	3,500	Final completion	42130361	Now BP America Production Company
Sep 30, 1985	286176	Drill	Sutton	Zapata #1021	6,400	—	43533277	—
Sep 30, 1985	298798	Drill	Ochiltree	Morrison et al "F" 53 #3	10,950	Final completion	35731820	Now BP America Production Company