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 KILLAM OIL CO., LTD. (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$82.47USD/BBL · AS OF 5:15 PM CTBRENT$88.10USD/BBL · AS OF 12:00 AM CTHENRY HUB$2.92USD/MMBtu · AS OF 5:15 PM CTPERMITS · 7 DAYS132TRRC · DAILY PULLM&A RECORDS3,328OPERATOR LINEAGESCOUTCALL LIST · PIPELINE · PSA

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 Jul 18, 2026

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

Starr on the map

Starr · Texas drillingLast 7 days

Permits 7d:0lowmidhigh (0)

Top operators · 12m

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

Latest Starr filings

6 rows · last 12 months · Updated Jul 18, 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

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