← Zavala County

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

1

Operators (30d)

1

Latest Permit

2026-07-10

All Time

3,561

3,561 permits
ISSUEDPERMITAPILEASEOPERATORTYPEDEPTHHZ
2016-08-1681744142-507-33275CHITTIM HEIRS #12HBLACKBRUSH O & G, LLCDRILL5,250Y
2016-08-1181751642-507-33274HOLDSWORTH UNIT B #1HZSN OPERATING, LLCDRILL9,000Y
2016-08-1181751542-507-33273HOLDSWORTH UNIT A #1HYSN OPERATING, LLCDRILL9,000Y
2016-08-1081743842-507-33276CHITTIM HEIRS #11HBLACKBRUSH O & G, LLCDRILL5,250Y
2016-08-0481751442-507-33272HOLDSWORTH UNIT A #1HXSN OPERATING, LLCDRILL9,000Y
2016-08-0481751242-507-33271HOLDSWORTH UNIT A #1HWSN OPERATING, LLCDRILL9,000Y
2016-07-1281631442-507-33039MATTHEWS #1HFIRST ROCK, INC.RECOMP8,750Y
2016-06-1481628642-507-33270FERGUSON-MCKNIGHT #2801HEL TORO RESOURCES LLCDRILL5,900Y
2016-03-2481444542-507-33269LT #1CML EXPLORATION, LLCDRILL7,000Y
2016-03-2481444542-507-33269LT #1CML EXPLORATION, LLCDRILL7,000Y
2016-02-2681405842-507-33268HIDEAWAY RANCH E3 UNIT #E 3EFU.S. ENERGY DEVELOPMENT CORPDRILL9,000Y
2016-02-2681405742-507-33267HIDEAWAY RANCH E2 UNIT #E 2EFU.S. ENERGY DEVELOPMENT CORPDRILL9,000Y
2016-02-2681405642-507-33266HIDEAWAY RANCH E1 UNIT #E 1EFU.S. ENERGY DEVELOPMENT CORPDRILL9,000Y
2016-01-1981315342-507-33264HARGIS #2HSN OPERATING, LLCDRILL7,000Y
2016-01-1981315242-507-33263HARGIS #1HSN OPERATING, LLCDRILL7,000Y
2016-01-1281306442-507-33220HOWETT #18BUFFCO PRODUCTION INC.FLD-XFR7,100
2016-01-1181306642-507-33262BYRD BUDA B #2HMORAN-LAVACA, L.L.C.DRILL10,000Y
2016-01-1181306542-507-33261BYRD BUDA A #1HMORAN-LAVACA, L.L.C.DRILL10,000Y
2015-12-2881290142-507-33260FERGUSON-MCKNIGHT #2813HEL TORO RESOURCES LLCDRILL5,500Y
2015-12-2881290142-507-33260FERGUSON-MCKNIGHT #2813HEL TORO RESOURCES LLCDRILL5,500Y
2015-11-0681176542-507-33259PETRO PARDS #6HSN OPERATING, LLCDRILL8,000Y
2015-11-0681176042-507-33258PETRO PARDS #5HSN OPERATING, LLCDRILL8,000Y
2015-11-0481170042-507-33257KIRBY #1CML EXPLORATION, LLCDRILL7,100Y
2015-11-0481170042-507-33257KIRBY #1CML EXPLORATION, LLCDRILL7,000Y
2015-09-2481055942-507-33256MATTHEWS #2503STRATEX OIL & GAS HOLDINGS, INC.DRILL6,000
2015-09-0279965942-507-32836TRAYLOR NORTH #C 1HEXCO OPERATING COMPANY, LPRECOMP9,000Y
2015-09-0180965142-507-33255HOLDSWORTH #9INLAND OCEAN, INC.DRILL4,500
2015-08-2480932542-507-33253COLLIER #2INLAND OCEAN, INC.DRILL4,600
2015-08-2080891342-507-33250JONSSON-PERLITZ #205HFLETCHER PETROLEUM CORP.DRILL6,500Y
2015-08-1980891042-507-33249JONSSON-PERLITZ #203HFLETCHER PETROLEUM CORP.DRILL6,500Y
2015-08-1880913342-507-33252JOHN HOLDSWORTH UNIT ZAV #1HBEXCO OPERATING COMPANY, LPDRILL8,000Y
2015-08-1880913342-507-33252JOHN HOLDSWORTH UNIT ZAV #1HBEXCO OPERATING COMPANY, LPDRILL8,000Y
2015-08-1780928342-507-33251PRESTON #1CML EXPLORATION, LLCDRILL7,500Y
2015-08-1780928342-507-33251PRESTON #1CML EXPLORATION, LLCDRILL7,500Y
2015-08-1780928242-507-33254PRYOR RANCH #12HMCDAY ENERGY CORP.DRILL6,000Y
2015-07-3180853542-507-33248HENRY HOLDSWORTH UNIT ZAV #1HBEXCO OPERATING COMPANY, LPDRILL8,000Y
2015-07-3180853542-507-33248HENRY HOLDSWORTH UNIT ZAV #1HBEXCO OPERATING COMPANY, LPDRILL8,000Y
2015-06-2580780242-507-33247PRYOR RANCH #11HMCDAY ENERGY CORP.DRILL6,000Y
2015-06-2580780242-507-33247PRYOR RANCH #11HMCDAY ENERGY CORP.DRILL6,000Y
2015-06-2480770242-507-33246LLM ZAV #D 3HCHESAPEAKE OPERATING, L.L.C.DRILL9,000Y
2015-06-2480770142-507-33245LLM ZAV #D 2HCHESAPEAKE OPERATING, L.L.C.DRILL9,000Y
2015-06-2480769842-507-33244LLM ZAV #D 1HCHESAPEAKE OPERATING, L.L.C.DRILL9,000Y
2015-06-1980753742-507-33243LA MOTA ZAV #B 3HCHESAPEAKE OPERATING, L.L.C.DRILL9,000Y
2015-06-0480709742-507-33242BLACKMON #1CML EXPLORATION, LLCDRILL7,500Y
2015-06-0480709742-507-33242BLACKMON #1CML EXPLORATION, LLCDRILL6,700Y
2015-05-2780688942-507-33241LA MOTA ZAV #I 3HCHESAPEAKE OPERATING, L.L.C.DRILL9,000Y
2015-05-2780688742-507-33240LA MOTA ZAV #I 2HCHESAPEAKE OPERATING, L.L.C.DRILL9,000Y
2015-05-2780688642-507-33239LA MOTA ZAV #I 1HCHESAPEAKE OPERATING, L.L.C.DRILL9,000Y
2015-04-2880582142-507-33237KM-MILLER UNIT ZAV #4HEXCO OPERATING COMPANY, LPDRILL9,000Y
2015-04-2880582042-507-33236KM-MILLER UNIT ZAV #3HEXCO OPERATING COMPANY, LPDRILL9,000Y
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Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.