Zavala County Drilling Permits

Every permit issued by the Texas Railroad Commission in Zavala County — updated daily, data through 2026-07-10.

Zavala County permitting is running 3.3 permits a month over the trailing 90 days (10 total, versus 6 in the prior quarter). CML EXPLORATION, LLC leads with 7 permits in the past 12 months, one of 6 operators active in the county.

Last 30 Days

Operators (30d)

Latest Permit

2026-07-10

All Time

3,561

3,561 permits

ISSUED	PERMIT	API	LEASE	OPERATOR	TYPE	DEPTH	HZ
1990-05-04	372932	42-507-32320	KLEINMAN #1	KINLAW OIL CORPORATION	DRILL	6,700	Y
1990-05-04	372932	42-507-32320	KLEINMAN #1	KINLAW OIL CORPORATION	DRILL	6,700
1990-05-02	372876	42-507-32318	R. M. GREGG UNIT #1	ORYX ENERGY COMPANY	DRILL	9,400	Y
1990-05-02	372828	42-507-32317	PETTY, SCOTT JR. #3	GLG ENERGY, L.P.	DRILL	9,700	Y
1990-05-02	372827	42-507-32316	PETTY, SCOTT JR. #2	GLG ENERGY, L.P.	DRILL	9,700	Y
1990-04-27	372722	42-507-32315	BASIN - GATES SOONER #1	BASIN RESOURCES CORPORATION	DRILL	7,777	Y
1990-04-27	372722	42-507-32315	BASIN-GATES SOONER #1	BASIN RESOURCES CORPORATION	DRILL	7,777	Y
1990-04-26	372676	42-507-32314	DAY, R. B. #1	ORYX ENERGY COMPANY	DRILL	9,600	Y
1990-04-10	371850	42-507-32313	PETTY, SCOTT #4101	GLG ENERGY, L.P.	DRILL	9,200	Y
1990-04-04	371781	42-507-32312	HOLDSWORTH #1	DLB ENERGY CORPORATION	DRILL	5,800	Y
1990-04-02	371729	42-507-32311	GARNER, J. N. #12	ORYX ENERGY COMPANY	DRILL	9,700	Y
1990-03-28	371401	42-507-32310	MAJESTIC-BONITA LYNN #1	MAJESTIC PETROLEUM CORPORATION	DRILL	7,777	Y
1990-03-27	371341	42-507-32309	BRISCOE - PETTY #1	ELLSWORTH, H. P. O&G PROPERTIES	DRILL	6,500	Y
1990-03-26	371296	42-507-32307	BRISCOE RANCH #2021	SPILLER, ROBERT S.	DRILL	1,800
1990-03-26	371244	42-507-32306	HALE, BILLY #1	SAN ANTONIO GAS & OIL, INC.	DRILL	3,600
1990-03-23	371358	42-507-32308	BASIN-GATES 16 #4	BASIN RESOURCES CORPORATION	DRILL	7,777	Y
1990-03-21	371253	42-507-32304	GLASSCOCK, LETA #21	WINN EXPLORATION CO., INC.	DRILL	7,000	Y
1990-03-21	371253	42-507-32304	GLASSCOCK, LETA #21	WINN EXPLORATION CO., INC.	DRILL	6,500	Y
1990-03-21	371252	42-507-32305	GLASSCOCK, LETA #22	WINN EXPLORATION CO., INC.	DRILL	7,000	Y
1990-03-21	371252	42-507-32305	GLASSCOCK, LETA #22	WINN EXPLORATION CO., INC.	DRILL	7,000	Y
1990-03-16	371054	42-507-32303	BRISCOE RANCH #1021R	SPILLER, ROBERT S.	DRILL	2,000
1990-03-15	366281	42-507-00623	MILLER-WAGNER #1211	LANDRESS, ROGER D.	RENTR	6,100
1990-03-14	366281	42-507-00623	MILLER-WAGNER #1211	LANDRESS, ROGER D.	RENTR	5,300
1990-03-13	370909	42-507-32301	FEHRENBACH #1	DANTEX OIL & GAS, INC.	DRILL	6,550	Y
1990-03-09	370652	42-507-32300	BASIN-SHANNON #1	BASIN RESOURCES CORPORATION	DRILL	7,777	Y
1990-03-05	370485	42-507-32299	PETTY, SCOTT JR. #1	GLG ENERGY, L.P.	DRILL	9,700	Y
1990-02-23	370221	42-507-32298	GARNER, J. N. #9	ORYX ENERGY COMPANY	DRILL	9,800	Y
1990-02-16	369937	42-507-32297	PETTY, SCOTT #1040H	MERIDIAN OIL INC.	DRILL	11,300	Y
1990-02-13	369730	42-507-32296	BRISCOE RANCH #1021	SPILLER, ROBERT S.	DRILL	1,800
1990-02-09	369662	42-507-32295	GLASSCOCK, LETA #20	WINN EXPLORATION CO., INC.	DRILL	7,000	Y
1990-02-09	369661	42-507-32294	GLASSCOCK, LETA #19	WINN EXPLORATION CO., INC.	DRILL	7,000	Y
1990-02-09	369660	42-507-32293	GLASSCOCK, LETA #18	WINN EXPLORATION CO., INC.	DRILL	7,000	Y
1990-02-09	369659	42-507-32292	GLASSCOCK, LETA #17	WINN EXPLORATION CO., INC.	DRILL	7,000	Y
1990-02-09	369659	42-507-32292	GLASSCOCK, LETA #17	WINN EXPLORATION CO., INC.	DRILL	7,000	Y
1990-02-09	369658	42-507-32291	GLASSCOCK, LETA #16	WINN EXPLORATION CO., INC.	DRILL	7,000	Y
1990-02-09	369658	42-507-32291	GLASSCOCK, LETA #16	WINN EXPLORATION CO., INC.	DRILL	7,572	Y
1990-02-09	369657	42-507-32290	BAGGETT, JEFF #1	ORYX ENERGY COMPANY	DRILL	9,900	Y
1990-02-09	369657	42-507-32290	BAGGETT, JEFF #1	ORYX ENERGY COMPANY	DRILL	11,650	Y
1990-02-08	369422	42-507-32288	KRAWETZ #1	CHRISTICO PETROLEUM COMPANY	DRILL	9,000	Y
1990-02-08	369422	42-507-32288	KRAWETZ #1	CHRISTICO PETROLEUM COMPANY	DRILL	9,000	Y
1990-02-06	369500	42-507-32289	KRAWETZ "B" #2	CACHARA OIL & GAS CO.	DRILL	9,500	Y
1990-02-06	369500	42-507-32289	KRAWETZ "B" #2	CACHARA OIL & GAS CO.	DRILL	9,500	Y
1990-02-05	369475	42-507-32287	BASIN-16 #3	BASIN RESOURCES CORPORATION	DRILL	7,777	Y
1990-02-01	369302	42-507-32285	H&F PROPERTIES 38-37 #1	JENNINGS EXPLORATION CO.	DRILL	3,200
1990-01-31	369322	42-507-32286	JONES, E. B. -B- #4	ORYX ENERGY COMPANY	DRILL	9,800	Y
1990-01-31	369284	42-507-32284	GLASSOCK, LETA #15	WINN EXPLORATION CO., INC.	DRILL	6,900	Y
1990-01-31	369284	42-507-32284	GLASSCOCK,LETA #15	WINN EXPLORATION CO., INC.	DRILL	9,000	Y
1990-01-29	369220	42-507-32283	WAGNER, WARREN "155" #1 H	WOLVERINE EXPLORATION COMPANY	DRILL	9,000	Y
1990-01-29	369220	42-507-32283	WAGNER, WARREN "155" #1 H	WOLVERINE EXPLORATION COMPANY	DRILL	9,000	Y
1990-01-23	369008	42-507-32282	GLASSCOCK, LETA #14	WINN EXPLORATION CO., INC.	DRILL	6,950	Y

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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.