OPERATORS · TEXAS · P-5 NUMBER 806470

Southwest Royalties, Inc.

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 369 Recompletion 75 Reenter 18 Other 1

39 FILINGS · 33 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Oct 10, 2000	500618	Drill	Duval	Driscoll Ranch #4	12,800	—	13138457	Acquired from Camden Resources, Inc.
Oct 10, 2000	500618Amendment	Drill	Duval	Driscoll-Duwell Unit #1	12,800	—	13138457	Acquired from Williams, Clayton Energy, Inc.
Oct 10, 2000	500618Amendment	Drill	Duval	Driscoll-Duwell Unit #1	11,600	Final completion	13138457	Acquired from Williams, Clayton Energy, Inc.
Jul 27, 2000	497701	Drill	Duval	Duwell #1	12,800	Final completion	13138420	Acquired from Camden Resources, Inc.
Feb 22, 1999	482816	Drill	Duval	Driscoll Foundation #1D	2,200	—	13138320	Acquired from Williams, Clayton Energy, Inc.
Feb 22, 1999	482816Amendment	Drill	Duval	Driscoll Foundation #1D	3,650	Final completion	13138320	Acquired from Williams, Clayton Energy, Inc.
Feb 19, 1999	482808	Field transfer	Duval	Driscoll Foundation #1Y	11,654	Final completion	13138254	Acquired from Williams, Clayton Energy, Inc.
Apr 28, 1998	475728	Drill	Duval	Driscoll Foundation #1Y	12,500	—	13138254	Acquired from Williams, Clayton Energy, Inc.
Apr 28, 1998	475728Amendment	Drill	Duval	Driscoll Foundation #1Y	11,654	Final completion	13138254	Acquired from Williams, Clayton Energy, Inc.
Oct 15, 1996	453673	Drill	Duval	Duval Ranch Section 96-B #12	8,000	—	13138139	—
Oct 20, 1995	441002	Recompletion	Duval	Humble Duval Ranch Sec. 204 #1	2,409	Final completion	13102410	—
Sep 13, 1990	376683	Recompletion	Duval	Duval Ranch Sec. 201 a/C 5 #49	7,236	Unsuccessful workover	13100280	Acquired from Mobil Producing TX. & N.M. Inc.
Jul 20, 1990	375508	Recompletion	Duval	Duval Ranch Sec. 96 #10	2,326	Spudded	13111183	Acquired from Mobil Producing TX. & N.M. Inc.
Sep 21, 1989	364226	Recompletion	Duval	Humble-Duval Ranch Sec. 204 #10	2,348	Final completion	13136972	Acquired from Mobil Producing TX. & N.M. Inc.
Apr 14, 1989	358119	Drill	Duval	Union-C.W. Hahl Sec. 41 #13	4,000	—	13137221	Acquired from Mobil Producing TX. & N.M. Inc.
Apr 14, 1989	358119Amendment	Drill	Duval	Union-C.W. Hahl Sec. 41 #13	5,850	Final completion	13137221	Acquired from Mobil Producing TX. & N.M. Inc.
Jul 22, 1988	349203	Recompletion	Duval	Humble-Duval Ranch Sec. 204 #10	1,000	Unsuccessful workover	13136972	Acquired from Mobil Producing TX. & N.M. Inc.
Jan 12, 1988	341315	Recompletion	Duval	Humble-Duval Ranch Sec. 204 #6	2,840	Final completion	13131032	Acquired from Mobil Producing TX. & N.M. Inc.
Dec 8, 1987	339874	Drill	Duval	Duval Ranch Sec. 207 #3	2,900	Final completion	13137073	Acquired from Mobil Producing TX. & N.M. Inc.
Dec 8, 1987	339874Amendment	Drill	Duval	Duval Ranch Sec. 207 #3	2,900	Final completion	13137073	Acquired from Mobil Producing TX. & N.M. Inc.
Jun 3, 1987	329589	Recompletion	Duval	Duval Ranch Sec. 96-B #9	2,100	Final completion	13136189	Acquired from Mobil Producing TX. & N.M. Inc.
May 15, 1987	330301	Recompletion	Duval	D.C.R.C. Sec. 201 #58	6,980	—	13131039	Acquired from Mobil Producing TX. & N.M. Inc.
Dec 31, 1986	324643	Drill	Duval	Humble-Duval Ranch Sec. 204 #10	2,900	Final completion	13136972	Acquired from Mobil Producing TX. & N.M. Inc.
Dec 31, 1986	324642	Drill	Duval	Humble-Duval Ranch Sec. 204 #9	2,900	Final completion	13136971	Acquired from Mobil Producing TX. & N.M. Inc.
Feb 14, 1986	297838	Recompletion	Duval	D.C.R.C. Sec. 205 #1	7,500	Final completion	13130945	Acquired from Mobil Producing TX. & N.M. Inc.
Feb 4, 1986	296908	Recompletion	Duval	Duval Ranch Sec. 96 #5	790	Final completion	13102427	Acquired from Mobil Producing TX. & N.M. Inc.
Sep 20, 1983	189647	Drill	Duval	Duval Ranch Sec. 96 #9	2,250	Final completion	13136189	Acquired from Mobil Producing TX. & N.M. Inc.
May 12, 1983	194809	Recompletion	Duval	Humble-Duval Ranch Sec. 204 #6	6,980	Final completion	13131032	Acquired from Mobil Producing TX. & N.M. Inc.
May 12, 1983	194808	Recompletion	Duval	Duval Ranch Sec. 201 #58	6,980	Unsuccessful workover	13131039	Acquired from Mobil Producing TX. & N.M. Inc.
Oct 18, 1982	174611	Recompletion	Duval	Duval-Ranch Section 207 #2	2,208	Final completion	13133005	Acquired from Mobil Producing TX. & N.M. Inc.
Sep 23, 1981	134122	Recompletion	Duval	Duval Ranch Sec. 96 #7	2,080	Final completion	13133013	Acquired from Mobil Producing TX. & N.M. Inc.
Nov 7, 1979	63158	Other	Duval	Frio Gas Unit #4	1,933	—	13133005	Acquired from Mobil Oil Corporation
Feb 28, 1979	44045	Drill	Duval	Petrox Chernosky Waterflood Unit #M6-7	2,400	Final completion	13133013	Acquired from Mobil Oil Corporation
Feb 23, 1979	43496	Drill	Duval	Petrox Chernosky Waterflood Unit #M6-8	2,400	Final completion	13133153	Acquired from Mobil Oil Corporation
Feb 22, 1979	43480	Drill	Duval	Petrox Chernosky Waterflood Unit #7-20	2,400	Final completion	13133012	Acquired from Mobil Oil Corporation
Jan 22, 1979	41262	Drill	Duval	Humble-Duval Ranch Section 207 #2	2,500	Unsuccessful workover	13133005	Acquired from Mobil Oil Corporation
Oct 12, 1977	9552	Recompletion	Duval	Duval Ranch Sec. 201 #57	1,493	—	13110528	Acquired from Mobil Oil Corporation
Oct 11, 1977	9742	Drill	Duval	Petrox Chernosky Waterflood Unit #H6-21	2,400	Spudded	13132340	Acquired from Mobil Oil Corporation
Jun 22, 1977	1452	Drill	Duval	Duval Ranch Sec. 96-B #6	1,200	—	13132313	Acquired from Mobil Oil Corporation