Frio County, Texas Wells Summary
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Total wells
Last 60 days
Prior 60 days
60-day trend
Frio County contains 863 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: HARLAN, operated by TRAILBLAZER ENERGY RESOURCES,LLC — last updated August 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-08-21
By basin
- 176 Permian
- 50 Eagle Ford
- 32 Haynesville
- 22 Other
- 1 Barnett
Drilling for
- 227 Oil
- 54 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.
555 wells plotted ·
1 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), Indio Tanks (Pearsall), Pearsall (Buda, S.), 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 |
|---|---|---|---|---|
| HARLAN | 2026-08-18 | 4 | TRAILBLAZER ENERGY RESOURCES,LLC | 16334363 |
| MARRS MCLEAN | 2026-08-18 | 4 | TRAILBLAZER ENERGY RESOURCES,LLC | 16334357 |
| CLYDESDALE 1H | 2026-08-11 | 3 | JAVELIN ENERGY PARTNERS MGMT LLC | 16334000 |
| CLYDESDALE 2H | 2026-08-11 | 4 | JAVELIN ENERGY PARTNERS MGMT LLC | 16334019 |
| MARRS MCLEAN | 2026-08-11 | 4 | TRAILBLAZER ENERGY RESOURCES,LLC | 16334355 |
| SHELTON UNIT | 2026-08-11 | 2 | TEXAS AMERICAN RESOURCES COMPANY | 16334405 |
| CLYDESDALE 3H | 2026-08-11 | 4 | JAVELIN ENERGY PARTNERS MGMT LLC | 16334018 |
| LOTHROP | 2026-08-10 | TEXAS AMERICAN RESOURCES COMPANY | 16334392 | |
| SHELTON UNIT | 2026-08-10 | 2 | TEXAS AMERICAN RESOURCES COMPANY | 16334404 |
| HARLAN RK | 2026-08-06 | 4 | TRAILBLAZER ENERGY RESOURCES,LLC | 16334362 |
Texas RRC data downloads
Surface Ownership Records:
