OPERATORS · RRC 496670

Leonard Brothers Oper Co

WindowAll time 90 days 1 year 3 years 10 years

CountyEastland 25 Shackelford 20 Pecos 14 Archer 12 Erath 8 Stephens 8 Jack 8 Young 4 Childress 3 Brown 2

TypeDrill 45 Recompletion 14 Reenter 5 Other 1

114 PERMITS · PAGE 1 OF 3 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Dec 30, 2020	866590	Recompletion	Jack	Cooper, Joe B. #4	2,303	Final completion	23705839	—
Mar 3, 2010	692072	Drill	Jack	Cooper #1C	2,500	Final completion	23739327	Acquired from Georgetown Operating Company
Oct 23, 2007	646509	Drill	Archer	Wuckowitz #1	5,400	—	00941696	—
Jul 27, 2007	642511	Drill	Pecos	University '4-D' #3	2,000	Final completion	37138006	Now J-Tec Production LLC
May 14, 2007	636979	Drill	Pecos	Canon "63-B" #10	11,100	Final completion	37137938	Acquired from Mineral Technologies, Inc.
Dec 28, 2004	552062	Reenter	Shackelford	Moore #3402	2,100	—	41701637	—
Jul 15, 2004	547422	Drill	Shackelford	Moore #3401	2,200	—	41738455	Now Sequoia Energy Resources
Jul 15, 2004	547422	Drill	Shackelford	Moore #3401	2,200	Final completion	41738455	Now Sequoia Energy Resources
Mar 16, 2004	543110	Drill	Shackelford	Keefer #3601	2,200	Final completion	41738432	Now Sirena Holdings LLC Series 1
Mar 24, 2003	529750	Drill	Shackelford	Moore #6401	2,500	Final completion	41738390	—
Nov 20, 2002	525552	Drill	Shackelford	Moore #3501	2,500	Final completion	41738368	Now Sequoia Energy Resources
Aug 16, 2001	512544	Drill	Shackelford	Lane, M. #2	2,500	Unperforated completion	41738340	Now Royal Texan Energy Co.
Aug 16, 2001	512542	Drill	Shackelford	Lane, M. #3	2,500	Unperforated completion	41738339	Now Royal Texan Energy Co.
Jul 23, 2001	510756	Reenter	Shackelford	Terry Heirs #1	2,900	Final completion	41732683	—
Mar 26, 2001	507032	Drill	Shackelford	Lane, M. #1	2,500	Spudded	41738321	Now Sequoia Energy Resources
Mar 26, 2001	507032	Drill	Shackelford	Lane, M. #1	2,500	Final completion	41738321	Now Sequoia Energy Resources
Jan 5, 2001	503420	Recompletion	Jack	Cooper, J. B. #9	2,150	Final completion	23706487	Acquired from Schmid Properties, Inc.
Oct 19, 2000	500838	Reenter	Shackelford	Mohan, Larry E. #1	1,996	Final completion	41736467	Now 3-L Drilling
Feb 18, 1997	458382	Recompletion	Shackelford	Cannon, Sam #4	3,850	Final completion	41735306	—
Feb 11, 1997	458383	Recompletion	Shackelford	Cannon, Sam #1	4,225	Final completion	41700129	Now 3-M Production
Feb 11, 1997	458381	Recompletion	Shackelford	Cannon, Sam #2	3,950	Final completion	41720110	—
Jan 29, 1997	457842	Recompletion	Shackelford	Cannon, Sam #1	4,225	Final completion	41700129	Now 3-M Production
Dec 12, 1996	456227	Drill	Archer	Andrews #2701	5,500	Final completion	00941088	Acquired from Geonatural Resources, Inc.
May 23, 1996	448311	Recompletion	Shackelford	Cannon, Sam #2	3,890	Final completion	41720110	—
Jun 2, 1995	436240	Recompletion	Shackelford	Cannon, Sam #4	3,855	Final completion	41735306	—
Aug 31, 1994	427512	Recompletion	Jack	Cullers #3	3,500	Final completion	23737546	—
Aug 10, 1994	426685	Drill	Young	Casey #1	5,300	Spudded	50340602	Acquired from Echo Production, Inc.
Aug 10, 1994	426685	Drill	Young	Casey #1	5,300	Final completion	50340602	Acquired from Echo Production, Inc.
Oct 17, 1990	379558	Reenter	Childress	Coats #4	4,650	Plugged dry hole (P&A)	07500038	—
Jun 19, 1989	360570	Drill	Jack	Ellison #3	2,500	Unsuccessful workover	23737637	Acquired from Hall Operating Company, Inc.
Oct 25, 1988	352541	Drill	Jack	Ellison #2	2,500	Unsuccessful workover	23737558	Acquired from Hall Operating Company, Inc.
Sep 21, 1988	351343	Drill	Jack	Cullers #3	4,650	Final completion	23737546	Acquired from Hall Operating Company, Inc.
Jun 10, 1988	346571	Reenter	Childress	Fowler-Ellis Unit #1D	2,900	Final completion	07500060	Now Corlena Oil Company
Mar 6, 1987	327322	Drill	Childress	Fowler-Ellis #1SW	850	—	07530137	—
Jun 2, 1986	302924	Recompletion	Pecos	Canon-Allison 84 #3	10,700	Final completion	37132439	Acquired from Petroleum Corp. of Delaware, The
Apr 25, 1986	301532	Recompletion	Wharton	Willis-Wallace-Hancock #1	5,517	Final completion	48102011	Now Coastal Production Company Inc.
Feb 28, 1986	298659	Recompletion	Young	Casey, A. C. #1	4,402	Final completion	50301398	—
Sep 13, 1985	284991	Drill	Coke	Wilkins #1	5,650	Plugged dry hole (P&A)	08131364	—
Jan 22, 1985	264874	Recompletion	Eastland	Courtney, M. K. #1	3,300	Final completion	13335413	—
Jan 22, 1985	264870	Recompletion	Eastland	Courtney, M. K. #2	3,335	Final completion	13335429	—
Jan 7, 1985	263188	Drill	Pecos	Canon "63" #8	8,700	Final completion	37135282	Acquired from Sohio Petroleum Co.
Nov 9, 1984	257285	Recompletion	Andrews	Armstrong, Elizabeth #1	9,425	Final completion	00302818	Acquired from Exxon Corp.
Jun 28, 1984	243482	Drill	Erath	Gary, S. E. "A" #1	3,400	Final completion	14330804	—
Jun 1, 1984	240873	Drill	Pecos	Canon "67" #2	11,000	Final completion	37134979	Acquired from Sohio Petroleum Co.
Jun 1, 1984	240872	Drill	Pecos	Canon "68" #2	11,000	Final completion	37134978	Acquired from Sohio Petroleum Co.
Jun 1, 1984	240757	Drill	Eastland	Reich "A" #2	3,800	Final completion	13335914	—
May 30, 1984	240559	Drill	Eastland	Reich "A" #1	4,500	Final completion	13335905	Now Interstate Explorations LLC
Apr 27, 1984	237090	Drill	Eastland	Exall #1	4,200	Plugged dry hole (P&A)	13335840	—
Mar 6, 1984	233128	Drill	Stephens	Striegler #1	4,200	Final completion	42934007	Now Petex
Feb 22, 1984	230105	Drill	Eastland	Matthews "A" #1	4,000	—	13335695	—