OPERATORS · TEXAS · P-5 NUMBER 421166

Hydrocarbon Operating, Inc.

WindowAll time 90 days 1 year 3 years 10 years

CountyLavaca 36 Bee 17 Live Oak 15 De Witt 6 Tyler 6 Webb 4 Starr 4 Nueces 2 Duval 2 Goliad 1

94 FILINGS · 80 PERMITS · PAGE 2 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jul 29, 1996	450308	Drill	Bee	Algea Gas Unit #3	10,600	Final completion	02532776	Now Magnum Engineering Company
Apr 19, 1996	446976	Drill	Live Oak	Sanger Estate #7	12,500	Final completion	29734189	Acquired from Cody Energy, Inc.
Feb 16, 1996	444695	Recompletion	Bee	Ray-Wilcox Gas Unit #01	8,200	—	02532388	Now Wagner Oil Company
Feb 1, 1996	444358	Drill	Bee	Holzmark #2	8,200	Final completion	02532755	Now Cummins & Walker Oil Co. Inc.
Jan 12, 1996	443695	Recompletion	Tyler	Arco Fee No. 2 Gas Unit #5	9,800	Final completion	45730468	Acquired from Pecos Petroleum Company
Oct 2, 1995	439753	Recompletion	Bee	Ray-Wilcox Unit Campbell #2	8,200	Final completion	02532660	Now Wagner Oil Company
Sep 18, 1995	439864	Recompletion	Goliad	Worley, James #1	13,000	Final completion	17532550	Now Pitchfork Oil & Gas Inc.
Sep 14, 1995	439229	Drill	Bee	Chandler G.U. #1	9,650	—	02532738	—
Jul 25, 1995	438094	Drill	Bee	Holzmark #1	8,200	Final completion	02532734	Now Trident Corporation
Sep 27, 1994	428519	Drill	Tyler	Kirby #4	11,000	Final completion	45730488	Acquired from Pecos Petroleum Company
May 31, 1994	424336	Drill	Duval	Pursch, W. #1R	8,800	Plugged dry hole (P&A)	13137943	—
Apr 25, 1994	423155	Drill	Duval	Pursch, W. #1	8,800	Plugged dry hole (P&A)	13137939	—
Mar 15, 1994	421815	Recompletion	Jackson	Drushel, S. G. #15	5,247	Final completion	23932483	Now P&B Petroleum LLC
Jan 21, 1994	420433	Recompletion	Webb	Lincoln, W.P. 2345 #2	6,700	Final completion	47935933	Now Prevail Energy Incorporated
Jan 10, 1994	419731	Drill	Bee	Bradford, James #1	8,500	Final completion	02532694	Now Wagner Oil Company
Jan 10, 1994	419731Amendment	Drill	Bee	Bradford, James Gas Unit #1	8,450	—	02532694	Now Wagner Oil Company
May 12, 1993	411669	Drill	Tyler	Arco Fee #5	11,000	Final completion	45730468	Acquired from Pecos Petroleum Company
Feb 19, 1992	396642	Reenter	De Witt	Wood, Royce #1	7,700	Final completion	12330115	Acquired from Hydrocarbon Horizons, Inc.
Feb 20, 1990	369879	Reenter	De Witt	Wood, A. S. #1	7,625	Final completion	12300471	Acquired from Sue-Ann Production Company
Dec 13, 1989	367585	Recompletion	Lavaca	Borchers, Vivian et Al #5	13,300	Final completion	28531940	Acquired from Pacific Enterprises Oil Co.(usa)
Oct 23, 1989	365337	Recompletion	De Witt	Schaefer, E. C. #1	5,500	Final completion	12330872	Acquired from Hydrocarbon Horizons, Inc.
Sep 6, 1989	363621	Recompletion	Lavaca	Vivian Borchers #2	13,190	Final completion	28531871	Acquired from Pacific Enterprises Oil Co.(usa)
Feb 16, 1989	354870	Recompletion	Lavaca	Vivian Borchers et al Unit 2 #7	13,500	—	28531992	Acquired from Terra Resources, Inc.
Nov 10, 1988	353098	Recompletion	Bee	Collier, A. P. "B" #1	3,750	Final completion	02502718	Acquired from Texaco Inc.
Apr 14, 1988	345069	Recompletion	De Witt	Schaefer, E.C. #1	5,500	Final completion	12330872	Acquired from Hydrocarbon Horizons, Inc.
Mar 11, 1988	343535	Drill	Lavaca	Vivian Borchers Etal Shallow Uni #8	13,000	Long string casing	28532016	Acquired from Terra Resources, Inc.
Mar 11, 1988	343535Amendment	Drill	Lavaca	Vivian Borcher et al Deep Unit #8	13,500	—	28532016	Acquired from Terra Resources, Inc.
Mar 11, 1988	343535Amendment	Drill	Lavaca	Borchers, Vivian Etal #8	13,500	Final completion	28532016	Acquired from Terra Resources, Inc.
Jan 25, 1988	341880	Recompletion	Lavaca	Borchers, Vivian et Al #5	13,300	Final completion	28531940	Acquired from Terra Resources, Inc.
Sep 3, 1987	334613	Recompletion	De Witt	Schaefer, E. C. #1	5,500	Final completion	12330872	Acquired from Hydrocarbon Horizons, Inc.
Jul 28, 1987	329678	Drill	Lavaca	Vivian Borchers Etal Unit 2 #7	13,500	Final completion	28531992	Acquired from Terra Resources, Inc.
Sep 24, 1986	320857	Drill	Lavaca	Borchers, Vivian et Al #6	13,500	Final completion	28531972	Acquired from Terra Resources, Inc.
Nov 26, 1985	291124	Recompletion	Live Oak	Arco Sanger Estate #5	11,000	Final completion	29733580	Acquired from Arco Oil & Gas Co.
Oct 11, 1985	287392	Drill	Lavaca	Borchers, Vivian et Al #5	13,500	Long string casing	28531940	Acquired from Terra Resources, Inc.
May 20, 1985	275664	Drill	Lavaca	Borchers, Vivian #4	14,000	Final completion	28531918	Acquired from Terra Resources, Inc.
May 7, 1985	274433	Drill	Live Oak	Arco Sanger Estate #5	12,000	Long string casing	29733580	Acquired from Arco Oil & Gas Co.
Apr 29, 1985	273611	Recompletion	Bee	Ray-Wilcox Unit #1	8,264	Final completion	02500837	Acquired from HNG Oil Company
Mar 25, 1985	270633	Drill	Lavaca	Cranz #14	14,000	Long string casing	28531903	Acquired from Mosbacher Production Co.
Nov 29, 1984	259370	Drill	Lavaca	Borchers, Vivian #2	14,000	Final completion	28531871	Acquired from Terra Resources, Inc.
Aug 1, 1984	247229	Drill	Live Oak	Arco Sanger Estate #3	12,500	Final completion	29733466	Acquired from Arco Oil & Gas Co.
Jun 26, 1984	243239	Drill	Lavaca	Vivian Borchers, Etal Unit #1	13,000	Final completion	28531834	Acquired from Terra Resources, Inc.
Jan 11, 1984	226248	Drill	Live Oak	Arco Sanger Estate #2	12,500	Final completion	29733396	Acquired from Arco Oil & Gas Co.
May 23, 1978	24958	Drill	De Witt	Schaefer, E. C. #1	5,420	—	12330872	Acquired from Peninsula Resources Corp.
Apr 28, 1978	23160	Recompletion	Bee	Collier, A. P. "B" #1	3,751	—	02502718	Acquired from Texaco Inc.