OPERATORS · TEXAS · P-5 NUMBER 881578

Vanguard Production Company

WindowAll time 90 days 1 year 3 years 10 years

CountyCallahan 22 Stonewall 12 Garza 6 Howard 5 Stephens 2 Nolan 2 Eastland 2 Fisher 2 Pecos 2 Jones 1

58 FILINGS · 57 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Apr 15, 1988	345176	Drill	Pecos	Wilson "44" #2	1,600	—	37136067	Acquired from Mobil Producing TX. & N.M. Inc.
Apr 15, 1988	345176Amendment	Drill	Pecos	Wilson Sec. "44" #2	1,600	Unsuccessful workover	37136067	Acquired from Mobil Producing TX. & N.M. Inc.
Nov 13, 1985	290848	Drill	Howard	Bowen, John B. Jr. "B" #7	2,550	Final completion	22733919	—
Nov 13, 1985	290849	Drill	Howard	Bowen, John B. Jr. "B" #4	2,450	Final completion	22733920	—
Sep 12, 1985	284582	Drill	Callahan	Brooks "A" #4	500	—	05935431	—
Dec 31, 1984	263115	Drill	Nolan	Chinquapin #2	6,150	Final completion	35331748	Acquired from Inter America Minerals, Inc.
Dec 31, 1984	262608	Drill	Nolan	South White Flat #2	6,150	Final completion	35331741	Acquired from Inter America Minerals, Inc.
Oct 17, 1984	255098	Drill	Stonewall	Vahlenkamp #4	6,150	—	43331911	—
Oct 2, 1984	253277	Drill	Fisher	North Ocho Juan #1	8,000	Final completion	15131891	Acquired from Inter America Minerals, Inc.
Aug 10, 1984	248603	Drill	Taylor	Riggans, L. M. #1	6,500	Final completion	44132838	Acquired from Inter America Minerals, Inc.
Sep 20, 1983	213590	Drill	Young	North Shepard #1A	6,000	Final completion	50337528	Acquired from Inter America Minerals, Inc.
Aug 24, 1983	207214	Drill	Callahan	Green #2	4,500	—	05934349	—
Dec 31, 1982	185072	Drill	Garza	Vance #1ALT	2,900	Final completion	16932014	Now RJD Management Co. Inc.
Dec 31, 1982	184682	Drill	Garza	Vance #2	2,900	Final completion	16932012	Now RJD Management Co. Inc.
Dec 31, 1982	183033	Drill	Callahan	Drake #S2	600	Plugged dry hole (P&A)	05934041	—
Dec 31, 1982	182560	Drill	Callahan	Prindle "B" #5	577	Final completion	05934031	Acquired from Union Exploration
Dec 20, 1982	180717	Drill	Callahan	Drake #S1	600	—	05934004	—
Dec 20, 1982	180663	Drill	Callahan	Pippin, I. H. #202	650	Plugged dry hole (P&A)	05934001	—
Dec 16, 1982	180357	Drill	Callahan	Pippin, I. H. #S1	650	Plugged dry hole (P&A)	05933992	—
Nov 16, 1982	177525	Drill	Howard	Bowen, John B. Jr. "A" #2	3,020	Final completion	22732961	Now Sweet Crude Operating LLC
Oct 8, 1982	173907	Drill	Howard	Bowen, John B. Jr. "B" #3	2,450	Unsuccessful workover	22732944	Acquired from Dyson, J.A. & Sons Production Co
Sep 8, 1982	171259	Drill	Howard	Bowen, John B. Jr. "A" #3	3,250	Final completion	22732883	Acquired from Dyson, J.A. & Sons Production Co
Sep 8, 1982	171182	Drill	Callahan	Williams -61- #B-2	500	Final completion	05933906	Acquired from Union Exploration
Apr 28, 1982	158428	Drill	Stonewall	Davis #1	6,250	Final completion	43331446	Acquired from Union Exploration
Mar 16, 1982	153483	Drill	Callahan	Prindle, S. #4	500	—	05933642	—
Mar 3, 1982	152182	Drill	Stonewall	Vahlenkamp B #3	6,500	Final completion	43331420	Acquired from Union Exploration
Feb 10, 1982	150377	Drill	Callahan	Prindle, S. #3	500	—	05933588	—
Feb 1, 1982	149544	Drill	Stonewall	Druesedow "B" #3	6,500	Final completion	43331412	Acquired from Union Exploration
Dec 31, 1981	146794	Drill	Stonewall	Rutherford, T.B. #6	6,200	Final completion	43331396	Acquired from Herndon, H. W. Jr.
Nov 12, 1981	140445	Drill	Stonewall	Valhlenkamp '32'-A #2	6,250	Spudded	43331358	Acquired from Union Exploration
Sep 28, 1981	134768	Drill	Stonewall	Valhlenkamp '32' #1	6,500	Final completion	43331316	Acquired from Union Exploration
Sep 21, 1981	133837	Drill	Fisher	Rosson 1 #1	6,500	Plugged dry hole (P&A)	15131370	—
Jul 28, 1981	127387	Drill	Jones	Williams, Tressie #1	3,500	Plugged dry hole (P&A)	25331952	—
Jul 27, 1981	127368	Drill	Stonewall	Druesedow #1	6,500	Final completion	43331274	Acquired from Union Exploration
Jul 27, 1981	127306	Drill	Callahan	Drake A #2	4,500	Final completion	05933242	Acquired from Union Exploration
Jun 16, 1981	121228	Drill	Stephens	Clanton - Fee-A #1	4,500	Final completion	42932934	Acquired from Union Exploration
May 21, 1981	118822	Drill	Callahan	Williams -61- #1	4,500	Final completion	05933139	Acquired from Union Exploration
May 19, 1981	118577	Drill	Garza	McLendon, Donald #4	3,100	Unsuccessful workover	16931533	Acquired from Jimlynn Oil Co.
May 13, 1981	117879	Drill	Garza	McLendon, Donald #8	3,100	Unsuccessful workover	16931528	Acquired from Jimlynn Oil Co.
Apr 15, 1981	115205	Drill	Callahan	Pippen, H.J. #1	4,500	Plugged dry hole (P&A)	05933107	—
Apr 15, 1981	115167	Drill	Callahan	Green #S-3	500	Final completion	05933103	Acquired from Union Exploration
Apr 2, 1981	113971	Drill	Eastland	Dunning, Alma #1	4,500	Final completion	13332945	Acquired from Union Exploration
Apr 1, 1981	113769	Drill	Stonewall	Herndon-Rutherford "A" #4	6,200	Final completion	43331198	Acquired from Herndon, H. W. Jr.
Mar 25, 1981	113223	Drill	Stephens	Clanton #1	4,500	Final completion	42932861	Acquired from Union Exploration
Mar 3, 1981	110373	Drill	Garza	Dawn #1	3,000	Final completion	16931450	Acquired from MFB Oil Company
Jan 22, 1981	105940	Drill	Callahan	Rogers -S- #1S	500	Plugged dry hole (P&A letter)	05932996	—
Jan 15, 1981	106422	Drill	Eastland	Dunning, Alma #1S	5,000	Plugged dry hole (P&A)	13332789	—
Dec 9, 1980	101348	Drill	Callahan	Drake #1	4,500	Final completion	05932922	Acquired from Union Exploration
Nov 14, 1980	99254	Drill	Callahan	Pippin, I.H. et al -A- #3	4,500	Final completion	05932903	Acquired from Union Exploration
Nov 14, 1980	99251	Drill	Callahan	Pippin, I.H. et al -A- #2	4,500	Final completion	05932902	Acquired from Union Exploration