OPERATORS · TEXAS · P-5 NUMBER 925911

Williamson Operating Co.

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28 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jan 5, 2015	802150	Reenter	Zavala	Matthews #2	3,000	—	50730486	Acquired from Stratex Oil & Gas Holdings, Inc.
Jan 5, 2015	802149	Reenter	Zavala	Matthews #1	3,000	—	50730152	Acquired from Stratex Oil & Gas Holdings, Inc.
Apr 21, 1992	394849	Other	Zavala	Caid #1	2,000	—	50732157	Acquired from Williamson Drilling Co., Inc.
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	—
Oct 14, 1988	352238	Recompletion	Zavala	Kiefer #2	3,400	Final completion	50732129	Acquired from McCord Exploration Co.
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.
Jun 11, 1987	331220	Recompletion	Zavala	Kiefer #3	2,970	—	50732131	Acquired from McCord Exploration Co.
Sep 30, 1986	321103	Recompletion	Zavala	Kiefer #3	3,286	Final completion	50732131	Acquired from McCord Exploration Co.
Sep 25, 1985	285972	Drill	Zavala	Caid #1	2,000	Unsuccessful workover	50732157	Acquired from Williamson Drilling Co., Inc.
May 21, 1985	275621	Drill	Zavala	Kiefer #3	3,500	Final completion	50732131	Acquired from McCord Exploration Co.
May 8, 1985	274434	Drill	Zavala	Kiefer #2	3,400	Final completion	50732129	Acquired from McCord Exploration Co.
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.
Aug 26, 1982	170267	Recompletion	Zavala	Hammond, Ada E. 'A' #5-A	3,460	—	50731531	Acquired from Retama Oil Corporation
Jul 1, 1981	123571	Drill	Zavala	Hammond, Ada E. "A" #5A	3,460	Final completion	50731531	Acquired from Retama Oil Corporation
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.