Starr County, Texas Wells Summary
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Total wells
Last 60 days
Prior 60 days
60-day trend
Starr County contains 535 wells on file, with top operators including SMITH PRODUCTION INC. and KILLAM OIL CO., LTD..
Wells in Starr span several oil & gas fields including RINCON (VICKSBURG CONS.) and HINDE (VICKSBURG CONSOLIDATED).
Most recent well on record: YZAGUIRRE, operated by MERIT ENERGY COMPANY — last updated July 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
Starr 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.
174 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Starr County by total wells
Operators: Smith Production Inc., Killam Oil Co., Ltd., Oxy Usa Inc., Merit Energy Company, Hilcorp Energy Company, Trap Rock Oil, Ltd., Forest Oil Corporation, Urban Oil & Gas Group, Llc, Apache Corporation, Legend Natural Gas Iii, Lp.
Top Oil & Gas Fields intersecting Starr County
Fields: Rincon (Vicksburg Cons.), Hinde (Vicksburg Consolidated), Lyda (Vicksburg Lower), Rincon, N. (Vicksburg Cons.), Flores, W. (Vksbrg, Geopressure), Flores (Vicksburg, Lower), Garcias Ridge (Queen City), Braulia, East (Vicksburg Cons.), Boyle, Wildcat.
Top Counties in Texas most active by total wells
Compare Starr against the other busiest counties in Texas:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| YZAGUIRRE | 2026-07-17 | 2 | MERIT ENERGY COMPANY | 42732468 |
| I. V. MONTALVO C | 2026-07-10 | 13 | KILLAM OIL CO., LTD. | 42734743 |
| MCKINNEY, AMANDA | 2026-07-09 | 4 | KILLAM OIL CO., LTD. | 42734500 |
| MONTALVO, N. R. | 2026-06-15 | 9 | TRIAD O&G, LLC | 42734817 |
| ALBERTO ALANIZ | 2026-06-11 | MUELLER EXPLORATION, INC. | 42734821 | |
| HEARD | 2026-05-27 | 4 | DEWBRE PETROLEUM CORPORATION | 42733275 |
| OLIVARES, A. | 2026-05-15 | 6 | KILLAM OIL CO., LTD. | 42734798 |
| I.V. MONTALVO A | 2026-04-09 | 18 | KILLAM OIL CO., LTD. | 42734762 |
| I.V. MONTALVO C | 2026-03-25 | 18 | KILLAM OIL CO., LTD. | 42734736 |
| YZAGUIRRE 227 | 2026-02-23 | MERIT ENERGY COMPANY | 42733377 |
Texas RRC data downloads
Surface Ownership Records:
