Oil and Gas Information logo
Home About

Williamson County, Texas Wells Summary

Back to Texas Well Records

Total wells

12
Williamson County

Last 12 months

2
wells drilled

Prior 12 months

1
to compare against

Year-over-year

+1
vs prior 12 mo

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

261 rigs across the state
0 in this county / area

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

NORTH TEXAS ENERGY,INC.5MALISH OPERATING, LLC2PATRIOT OPERATING, LLC2BISSELL OPERATING LLC1BLACK JACK SERVICES, L.L.C.1JMR RESOURCES LLC1

Operators: North Texas Energy,inc., Malish Operating, Llc, Patriot Operating, Llc, Bissell Operating Llc, Black Jack Services, L.l.c., Jmr Resources Llc.

Top Oil & Gas Fields intersecting Williamson County

MATTHEWS5THRALL4NOACK2WILDCAT1

Fields: Matthews, Thrall, Noack, Wildcat.

Top Counties in Texas most active by total wells

Compare Williamson against the other busiest counties in Texas:

  • Midland · 11,103 wells
  • Martin · 10,576 wells
  • Andrews · 9,606 wells
  • Reeves · 7,308 wells
  • Ector · 7,180 wells
  • Upton · 6,812 wells
  • Howard · 6,477 wells
  • Karnes · 5,977 wells
  • Glasscock · 5,352 wells
  • Reagan · 5,182 wells
  • Loving · 4,840 wells
  • La Salle · 4,734 wells

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:

Need detailed 2026 surface ownership information for Williamson County that includes the parcel gis? GIS Parcel Data Coverage For Williamson County Texas
Download Williamson County Parcel GIS

Browse Wells by State

  • Colorado Wells
  • Louisiana Wells
  • Montana Wells
  • New Mexico Wells
  • Ohio Wells
  • Oklahoma Wells
  • Pennsylvania Wells
  • Texas Wells
  • Utah Wells
  • Wyoming Wells

Oil & Gas Hub Cities

  • Houston, TX
  • Midland, TX
  • Odessa, TX
  • Fort Worth, TX
  • Dallas, TX
  • San Antonio, TX
  • Corpus Christi, TX
  • Tyler, TX
  • Longview, TX
  • Laredo, TX
  • Lafayette, LA
  • Shreveport, LA
  • Baton Rouge, LA
  • Lake Charles, LA
  • Houma, LA
  • New Orleans, LA

City links resolve to that city’s county/parish well activity page.

Browse by Geology

  • All US oil & gas basins
  • Where the data comes from
  • Search operators & companies

Oil and Gas Information

Copyright © 2026 Oil and Gas Information. All rights reserved.