Frio County, Texas Wells Summary
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Total wells
Last 60 days
Prior 60 days
60-day trend
Frio County contains 852 wells on file, with top operators including CABOT OIL & GAS CORPORATION and TRINITY OPERATING (USG), LLC.
Wells in Frio span several oil & gas fields including BRISCOE RANCH (EAGLEFORD) and PEARSALL (AUSTIN CHALK).
Most recent well on record: THUNDERBIRD 101HW, operated by not found — last updated May 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-06-12
By basin
- 164 Permian
- 44 Eagle Ford
- 29 Haynesville
- 22 Other
- 2 Granite Wash
Drilling for
- 214 Oil
- 47 Gas
Frio County well density
Every dot is one well — small blue dots are historic wells;
larger orange dots are wells with activity in the last 60 days.
552 wells plotted ·
2 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Frio County by total wells
Operators: Cabot Oil & Gas Corporation, Trinity Operating (Usg), Llc, Virtex Operating Company, Inc., Not Found, Sn Operating, Llc, Texas American Resources Company, U.s. Energy Development Corp, Blackbrush O & G, Llc, Hat Creek Energy Llc, Exco Operating Company, Lp.
Top Oil & Gas Fields intersecting Frio County
Fields: Briscoe Ranch (Eagleford), Pearsall (Austin Chalk), Eagleville (Eagle Ford-1), Pearsall (Buda, S.), Indio Tanks (Pearsall), Pearsall (Buda Lime), Doering Ranch (Georgetown), Pearsall (Navarro Sand), Big Foot, Lorenzo (Austin Chalk).
Top Counties in Texas most active by total wells
Compare Frio against the other busiest counties in Texas:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| THUNDERBIRD 101HW | 2026-05-14 | 2 | not found | 16334368 |
| BRUSHHOOK 101HA | 2026-05-14 | 2 | not found | 16334375 |
| BRUSHHOOK 101HB | 2026-05-12 | 2 | not found | 16334376 |
| DERBY WEST | 2026-05-08 | 2 | EOG RESOURCES, INC. | 16334367 |
| THUNDERBIRD 101HZ | 2026-05-06 | 2 | not found | 16334371 |
| THUNDERBIRD 101HY | 2026-05-06 | 2 | not found | 16334370 |
| THUNDERBIRD 101HX | 2026-05-06 | 2 | not found | 16334369 |
| WRANGLER-STX-UNIT | 2026-05-04 | 2 | FORMENTERA OPERATIONS LLC | 16334381 |
| WRANGLER-STX-UNIT | 2026-05-01 | 2 | FORMENTERA OPERATIONS LLC | 16334380 |
| WRANGLER-STX-UNIT | 2026-04-30 | 2 | FORMENTERA OPERATIONS LLC | 16334382 |
Surface Ownership Records:
