How many drilling permits were filed in Starr County in the last 12 months?

6 Texas Railroad Commission drilling permits were filed in Starr County, Texas over the last 12 months — 0 of them in the past 7 days.

Who is the most active drilling operator in Starr County?

MUELLER EXPLORATION, INC. is the most active operator in Starr County with 2 permits over the last 12 months, followed by PETROVYBE OPCO LLC (1).

Where does Starr County drilling-permit data come from?

Every permit shown is sourced from the Texas Railroad Commission's public drilling-permit filings and refreshed daily. It's free to search by operator, lease, depth, and wellbore profile.

WTI$96.38USD/BBL · AS OF 3:44 PM CTBRENT$97.98USD/BBL · AS OF 3:44 PM CTPERMITS TODAY—TRRC · DAILY PULLM&A RECORDS3,324OPERATOR LINEAGESCOUTCALL LIST · PIPELINE · PSA

Starr County · 0 permits this week
6 permits filed last 12 months
Top operator: MUELLER EXPLORATION, INC. (2)
Sourced from Texas Railroad Commission

Starr County drilling brief.

Every drilling permit filed with the Texas Railroad Commission in Starr County, Texas. Top operators, recent filings, depth and wellbore profile data.

Search all permits

Texas Railroad Commission · Public record, free · Updated Jun 3, 2026

0: Permits filed; Last 7 days
6: Permits filed; Last 12 months
MUELLER: Top operator; 2 permits
5: Active operators; Last 12 months

02 · Starr on the map

Starr · Texas drillingLast 7 days

Permits 7d:0lowmidhigh (0)

Top operators · 12m

01
MUELLER EXPLORATION, INC.: —; 2 permits
02
PETROVYBE OPCO LLC: —; 1 permits
03
TRIAD O&G, LLC: —; 1 permits
04
ILEX ENERGY CORPORATION: —; 1 permits
05
KILLAM OIL CO., LTD.: —; 1 permits

03 · Latest Starr filings

6 rows · last 12 months · Updated Jun 3, 2026

Recent Texas Railroad Commission drilling permit filings in Starr County, last 12 months, by submitted date
Submitted	Operator	API #	Depth (ft)	Type	Status
2026-04-21	PETROVYBE OPCO LLC	42734823	5000	Vertical	APPROVED
2026-03-24	TRIAD O&G, LLC	42734817	8500	Vertical	APPROVED
2026-03-05	ILEX ENERGY CORPORATION	42734822	10500	Directional	APPROVED
2026-02-13	KILLAM OIL CO., LTD.	42734762	4990	Vertical	APPROVED
2025-12-29	MUELLER EXPLORATION, INC.	42734821	4500	Vertical	APPROVED
2025-09-01	MUELLER EXPLORATION, INC.	42734820	4500	Vertical	APPROVED

04 · Weekly permit alerts

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One email, Monday mornings — every new Texas Railroad Commission permit filed in Starr County over the past week. Free, and you can unsubscribe from any email.

05 · Adjacent county briefs

Read the rest of the basin.

Other oil-producing counties Scout tracks. Each county has its own daily brief, top operators, and filings table.

06 · Sources