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

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

Who is the most active drilling operator in Callahan County?

ONEOK WEST TX NGL PL, L.L.C. is the most active operator in Callahan County with 2 permits over the last 12 months, followed by ENERGY TRANSFER COMPANY (1).

Where does Callahan 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

Callahan County drilling brief.

Every drilling permit filed with the Texas Railroad Commission in Callahan 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
5: Permits filed; Last 12 months
ONEOK: Top operator; 2 permits
4: Active operators; Last 12 months

Callahan on the map

Callahan · Texas drillingLast 7 days

Permits 7d:0lowmidhigh (0)

Top operators · 12m

01
ONEOK WEST TX NGL PL, L.L.C.: –; 2 permits
02
ENERGY TRANSFER COMPANY: –; 1 permits
03
CLAUSEN, A. G.: –; 1 permits
04
MAGELLAN PIPELINE COMPANY, L.P.: –; 1 permits

Latest Callahan filings

5 rows · last 12 months · Updated Jul 18, 2026

Recent Texas Railroad Commission drilling permit filings in Callahan County, last 12 months, by submitted date
Submitted	Operator	API #	Depth (ft)	Type	Status
2026-04-16	ONEOK WEST TX NGL PL, L.L.C.	05937209	300	Vertical	DRILLING PERMIT
2026-04-16	ONEOK WEST TX NGL PL, L.L.C.	05937210	300	Vertical	DRILLING PERMIT
2026-03-06	ENERGY TRANSFER COMPANY	05937208	600	Vertical	APPROVED
2025-11-24	CLAUSEN, A. G.	05937206	1000	Vertical	APPROVED
2025-08-06	MAGELLAN PIPELINE COMPANY, L.P.	05937204	450	Vertical	APPROVED

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