OPERATORS · TEXAS · P-5 NUMBER 178381

Core E & P Corp.

WindowAll time 90 days 1 year 3 years 10 years

CountyJefferson 19 Goliad 14 San Patricio 8 Atascosa 7 Frio 5 Victoria 5 Refugio 4 Polk 3 Crosby 3 La Salle 1

73 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Oct 30, 2000	501370	Drill	San Patricio	Dow/Horn #1	4,000	—	40932655	—
Oct 18, 2000	500710	Recompletion	Polk	Watt #1	2,700	Final completion	37330645	Acquired from Viesca Gas Co.
Apr 11, 2000	493962	Drill	Victoria	Tucker #2	4,800	Plugged dry hole (P&A)	46933474	—
Feb 2, 2000	491664	Drill	Victoria	Tucker #1	4,800	Final completion	46933460	Now Whiting Oil and Gas Corporation
Nov 2, 1999	489069	Drill	Victoria	Kolle, J. #1	8,700	Spudded	46933443	Now Whiting Oil and Gas Corporation
Nov 2, 1999	489069	Drill	Victoria	Kolle, J. #1	9,200	—	46933443	Now Whiting Oil and Gas Corporation
Nov 2, 1999	489069	Drill	Victoria	Kolle, J. #1	9,200	Final completion	46933443	Now Whiting Oil and Gas Corporation
Oct 4, 1999	488177	Drill	Jackson	Dincans, A. T. Jr. #2	9,200	Final completion	23933042	Now Blue Wing Energy Inc.
May 19, 1999	484448	Recompletion	Crosby	Wardlaw-Lindsay #1708	3,600	Final completion	10730988	Acquired from Anadarko Petroleum Corp.
Apr 7, 1999	483693	Recompletion	Polk	Watt #1	2,700	Final completion	37330645	Acquired from Viesca Gas Co.
Jan 12, 1998	472083	Recompletion	Crane	Eppenauer, A. R. #1	3,750	—	10303325	Acquired from Chalice Petroleum Corporation
Mar 26, 1997	460370	Drill	Crosby	Wardlaw-Lindsay #1708	4,000	Final completion	10730988	Acquired from Anadarko Petroleum Corp.
Jan 30, 1997	458015	Reenter	Goliad	Wendel, A. #1R	3,110	Final completion	17531121	Acquired from Osr Oil & Gas Company
Jan 17, 1997	457514	Drill	Crosby	Wardlaw-Lindsay #1	4,000	Final completion	10730983	Acquired from Anadarko Petroleum Corp.
Feb 25, 1994	421488	Reenter	San Patricio	McBride/Ragsdale #2D	6,376	Final completion	40902865	Acquired from Fischer Operating Corporation
Jul 2, 1993	413031	Recompletion	Goliad	Preiss, Preston et Al #1	1,750	—	17532163	Acquired from Gastex, Inc.
Jul 2, 1993	413029	Recompletion	Goliad	Wendel, Alonzo et UX #1	3,663	Final completion	17532162	Acquired from Gastex, Inc.
Mar 4, 1993	409514	Drill	Goliad	Kathleen Holland, et al Unit 1 #7	1,650	Spudded	17532695	Acquired from Gastex, Inc.
Mar 4, 1993	409514	Drill	Goliad	Holland, Kathleen et al Unit 1 #7	1,650	Final completion	17532695	Acquired from Gastex, Inc.
Feb 26, 1993	409406	Drill	Goliad	Wendel, Alonzo et UX #2A	3,650	—	17532694	Acquired from Gastex, Inc.
Feb 26, 1993	409406	Drill	Goliad	Wendel, Alonzo et UX #2A	3,650	Final completion	17532694	Acquired from Gastex, Inc.
Feb 19, 1993	409197	Drill	Goliad	Preston Preiss et Al #3	20,003	Spudded	17532690	Acquired from Gastex, Inc.
Feb 19, 1993	409197	Drill	Goliad	Preston Preiss et Al #3	2,000	Final completion	17532690	Acquired from Gastex, Inc.
Dec 23, 1992	407630	Drill	San Patricio	McBride/Ragsdale #1	6,500	—	40932416	Acquired from Fischer Operating Corporation
Dec 23, 1992	407630	Drill	San Patricio	McBride/Ragsdale #1	6,500	Final completion	40932416	Acquired from Fischer Operating Corporation
Jun 9, 1992	396178	Recompletion	Jefferson	Koch Santa FE Unit #4	6,799	Final completion	24502550	Acquired from Texaco E & P Inc.
Dec 17, 1991	393132	Recompletion	Jefferson	Steele-Schmucker Unit O/A #3 F	7,730	Unsuccessful workover	24503147	Acquired from Texaco E & P Inc.
Apr 3, 1991	376667	Recompletion	Jefferson	Koch, T. F. NCT-1 #3F	8,000	Final completion	24503212	Acquired from Texaco Inc.
Dec 11, 1990	382254	Recompletion	Refugio	Barber #1	5,960	Final completion	39131995	Acquired from Fischer Operating Corporation
Oct 24, 1990	380077	Drill	Frio	McCoy #1H	7,000	Final completion	16332901	Acquired from Windsor Exploration Company
Oct 23, 1990	379990	Recompletion	Frio	Obregon #1H	9,500	Final completion	16331967	Acquired from Fenn, Bill Inc.
Jan 5, 1990	368158	Recompletion	Jefferson	Koch Santa FE Unit #4	7,650	Final completion	24502550	Acquired from Texaco Inc.
Dec 11, 1989	367544	Drill	Frio	Hugo #1H	7,000	Final completion	16332603	Acquired from Weber Energy Corporation
Aug 11, 1989	362608	Drill	Goliad	Morrison #6	3,500	Final completion	17532431	Acquired from Standard Gas Incorporated
Jul 20, 1989	361634	Drill	Refugio	Barber #1	6,500	Final completion	39131995	Acquired from Freeman, Chet
May 26, 1989	359661	Drill	Bee	Ray #1	3,500	Final completion	02532523	Acquired from Standard Gas Incorporated
Apr 21, 1989	358335	Drill	Goliad	Morrison #4	3,500	Final completion	17532399	Acquired from Standard Gas Incorporated
Apr 20, 1989	358287	Drill	La Salle	Burns Heirs #2	8,300	Final completion	28331259	Acquired from Weber Energy Corporation
Mar 6, 1989	356362	Recompletion	Jefferson	Koch Santa FE Unit #4	7,650	—	24502550	Acquired from Texaco Inc.
Mar 6, 1989	356362	Recompletion	Jefferson	Koch Santa FE Unit #4	7,650	Final completion	24502550	Acquired from Texaco Inc.
Nov 23, 1988	353560	Drill	Frio	Stephenson, Margaret #1	7,400	Final completion	16332571	Acquired from Weber Energy Corporation
May 26, 1988	346973	Recompletion	San Patricio	FPC Flinn #1	7,230	—	40932153	Acquired from Fischer Petroleum Corporation
Jan 29, 1988	340854	Recompletion	Jefferson	Koch Santa FE Unit #4	7,650	Final completion	24502550	Acquired from Texaco Inc.
Jan 22, 1988	341757	Drill	San Patricio	FPC Flinn #3	7,800	Final completion	40932223	Acquired from Fischer Petroleum Corporation
Jun 1, 1987	330834	Recompletion	Jefferson	Koch Santa FE Unit #4	7,650	Final completion	24502550	Acquired from Texaco Inc.
May 15, 1987	328556	Recompletion	Jefferson	Koch-Santa FE Unit #6H	8,000	Unsuccessful workover	24502552	Acquired from Texaco Inc.
Apr 14, 1987	328867	Recompletion	Jefferson	Koch Santa FE Unit #4	7,650	—	24502550	Acquired from Texaco Inc.
Dec 2, 1986	323612	Drill	San Patricio	FPC Flinn #1	7,500	Final completion	40932153	Acquired from Fischer Petroleum Corporation
Aug 22, 1986	305554	Drill	Goliad	Preiss, Preston et Al #1	3,000	Final completion	17532163	Acquired from Cambridge Oil Company
Aug 18, 1986	305372	Drill	Goliad	Wendel, Alonzo et UX #1	4,000	Final completion	17532162	Acquired from Cambridge Oil Company