OPERATORS · RRC 925911

Williamson Oper Co

WindowAll time 90 days 1 year 3 years 10 years

CountyZavala 17 Maverick 3 Dimmit 2

22 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Feb 7, 1989	355215	Drill	Zavala	Kiefer Section 2 #1	2,200	—	50732239	—
Feb 7, 1989	355214	Drill	Zavala	Kiefer Section 4 #1	2,200	Long string casing	50732240	—
May 27, 1988	346932	Drill	Zavala	Matthews Agency Account #1025	2,400	Plugged dry hole (P&A)	50732223	—
Apr 15, 1988	344830	Drill	Zavala	Matthews Mineral Account #1	2,400	Final completion	50732219	Now Spiller Robert S.
Jul 3, 1987	332495	Drill	Maverick	Phillips-Janco #1	1,700	Unsuccessful workover	32332353	Acquired from Janco Operating
May 6, 1987	329910	Drill	Maverick	Stone #5702	1,500	Final completion	32332348	Acquired from Mesa Chica Corp.
Aug 15, 1985	282615	Drill	Dimmit	Edrington, Homer #2	4,500	Spudded	12732693	Acquired from Brown, J. R.
Aug 15, 1985	282615	Drill	Dimmit	Edrington, Homer #2	4,200	Final completion	12732693	Acquired from Reneau, Nelda York
May 14, 1985	275014	Drill	Maverick	Levine, Ben #5701	1,970	Final completion	32332259	Acquired from Mesa Chica Ltd
Feb 27, 1985	267930	Drill	Zavala	Rutledge #3	2,000	Final completion	50732107	Acquired from Williamson Drilling Co., Inc.
Jul 30, 1984	246699	Drill	Zavala	Rutledge #2	2,000	Final completion	50732072	Acquired from Williamson Drilling Co., Inc.
Mar 20, 1984	233336	Drill	Zavala	Matthews, Ned #17	3,000	Final completion	50732040	Acquired from Encino Energy & Development Corp
Oct 26, 1983	218860	Drill	Zavala	Norton, R. W. #102	2,500	Final completion	50732007	Acquired from Weeks Exploration Company
Oct 26, 1983	218858	Drill	Zavala	Norton, R. W. #101	2,500	Final completion	50732006	Acquired from Weeks Exploration Company
Sep 16, 1983	215905	Drill	Zavala	Mathews Ranch #2601	2,500	Final completion	50731969	Acquired from Aztec Petroleum Corp.
Mar 5, 1981	110926	Drill	Zavala	Perkins,george Estate #1	2,500	Final completion	50731480	Acquired from Omega Minerals, Inc.
May 8, 1979	48088	Drill	Zavala	Lyles, Lora #11	800	Final completion	50731147	Acquired from Equitx Energy Corp.
May 8, 1979	48087	Drill	Zavala	Lyles, Lora #10	800	Final completion	50731146	Acquired from Equitx Energy Corp.
Mar 1, 1979	43514	Drill	Zavala	Lyles, Lora #7	800	Final completion	50731100	Acquired from Equitx Energy Corp.
Oct 13, 1978	34518	Drill	Zavala	Vancleve, Jack #1	2,800	Final completion	50731023	Acquired from Burk Royalty Company
Mar 14, 1978	20237	Drill	Zavala	Matthews, Ned #16	2,700	Spudded	50730972	Acquired from Mormac Oil & Gas Co.
Oct 31, 1977	10973	Drill	Zavala	Matthews, Ned #15	2,700	Long string casing	50730931	Acquired from Mormac Oil & Gas Co.