Willacy County, Texas Wells Summary
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Total wells
Last 60 days
Prior 60 days
60-day trend
Willacy County contains 130 wells on file, with top operators including CITATION OIL & GAS CORP. and RISCO LA SARA OPERATIONS, LLC.
Wells in Willacy span several oil & gas fields including WILLAMAR, WEST and WILDCAT.
Most recent well on record: SAUZ RANCH MULATOS PASTURE, operated by SHOCO PRODUCTION LLC — last updated April 2026.
County FIPS Code: 48489
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
Willacy 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.
34 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Willacy County by total wells
Operators: Citation Oil & Gas Corp., Risco La Sara Operations, Llc, La Sara Operating Company, Llc, Exxon Mobil Corporation, Eog Resources, Inc., Texas Oil And Gas Operating, Llc, Flint Oak Energy, Llc, Blakenergy Operating, Llc, Dewbre Petroleum Corporation, Xto Energy Inc..
Top Oil & Gas Fields intersecting Willacy County
Fields: Willamar, West, Wildcat, Willamar, West (Miocene 5100), La Sal Vieja (Frio Cons), Tordilla (Deep Cons.), Willamar, La Sara (3830), Tordilla (L-43), La Sara (No. 41 Sand), La Sara (3850).
Top Counties in Texas most active by total wells
Compare Willacy against the other busiest counties in Texas:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| SAUZ RANCH MULATOS PASTURE | 2026-04-14 | 4 | SHOCO PRODUCTION LLC | 48930824 |
| JOHNSON, ELMER, G. ETAL | 2026-02-25 | CITATION OIL & GAS CORP. | 48930710 | |
| WILLAMAR WEST UNIT | 2025-10-06 | 2 | CITATION OIL & GAS CORP. | 48930006 |
| THOMAS UNIT | 2025-06-02 | 6 | DEWBRE PETROLEUM CORPORATION | 48931141 |
| WILLAMAR WEST UNIT | 2025-05-27 | 2 | CITATION OIL & GAS CORP. | 48930723 |
| WILLAMAR WEST UNIT | 2025-04-14 | 2 | CITATION OIL & GAS CORP. | 48930122 |
| WILLAMAR WEST UNIT | 2025-02-26 | 2 | CITATION OIL & GAS CORP. | 48930819 |
| WILLAMAR WEST UNIT | 2024-10-15 | 4 | CITATION OIL & GAS CORP. | 48900302 |
| WILLAMAR EAST UNIT | 2024-05-08 | CITATION OIL & GAS CORP. | 48900329 | |
| WILLAMAR EAST UNIT | 2024-05-06 | 2 | CITATION OIL & GAS CORP. | 48900339 |
Surface Ownership Records: