Williamson County, Texas Wells Summary
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Total wells
Last 12 months
Prior 12 months
Year-over-year
Williamson County contains 12 wells on file, with top operators including NORTH TEXAS ENERGY,INC. and MALISH OPERATING, LLC.
Wells in Williamson span several oil & gas fields including MATTHEWS and THRALL.
Most recent well on record: RIEGER, operated by NORTH TEXAS ENERGY,INC. — last updated December 2025.
County FIPS Code: 48491
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
Williamson 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.
13 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Williamson County by total wells
Operators: North Texas Energy,inc., Malish Operating, Llc, Patriot Operating, Llc, Bissell Operating Llc, Black Jack Services, L.l.c., Jmr Resources Llc.
Top Counties in Texas most active by total wells
Compare Williamson against the other busiest counties in Texas:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| RIEGER | 2025-12-06 | NORTH TEXAS ENERGY,INC. | 49130504 | |
| SPELLINGS | 2025-09-18 | 2 | NORTH TEXAS ENERGY,INC. | 49130497 |
| SPELLINGS | 2024-04-22 | 4 | NORTH TEXAS ENERGY,INC. | 49130488 |
| RIEGER, OTTO | 2022-07-26 | 4 | NORTH TEXAS ENERGY,INC. | 49130482 |
| RIEGER, OTTO | 2020-11-12 | 2 | NORTH TEXAS ENERGY,INC. | 49130485 |
| KNAPEK | 2018-07-18 | 2 | MALISH OPERATING, LLC | 49130468 |
| H. A. STILES | 2018-05-30 | 4 | PATRIOT OPERATING, LLC | 49130460 |
| H. A. STILES | 2017-12-15 | 2 | PATRIOT OPERATING, LLC | 49130453 |
| MALISH | 2016-11-08 | MALISH OPERATING, LLC | 49130458 | |
| RINDERKNECHT | 2015-06-16 | 2 | BISSELL OPERATING LLC | 49130462 |
Surface Ownership Records: