PERMITS · 914910-98 · DISTRICT 6

Drill: Whelan OU 5 (AW) #1HU

Spudded

Tanos Exploration IV, LLC · Harrison County · Horizontal

Apr 28, 2026: issued
7,307: permitted depth, ft
42-203-35801: API number
2: versions on file

FIRST SEEN BY PETRORA SEP 23, 2026 · WHY THIS DIFFERS FROM THE ISSUE DATE

Lifecycle

Apr 28, 2026Issued · Permit approved
May 4, 2026Spud · Drilling began
May 5, 2026Surface casing · Surface string set
Sep 15, 2026Received · Application received by the RRC
Sep 21, 2026Amended · Changed after issuance
Apr 28, 2028Expires · Unless drilled or extended before then

A drilling permit is valid for two years from issuance unless extended. How permits work →

Surface location

Acres: 435.72
Nearest town: 2.3 mi N of Harleton

No coordinates yet. The RRC's GIS record usually lands within days of issuance; permits from the historical master file never carry one.

Versions

The RRC numbers versions down from 99: 99 is the original filing, 98 the first amendment. Current version first.

Seq	Type	Operator	Received	Issued	Amended	Depth	Seen
98	Drill	Tanos Exploration IV, LLC	Sep 15, 2026	Apr 28, 2026	Sep 21, 2026	7,307	Sep 23, 2026
99	Drill	Tanos Exploration IV, LLC	Apr 14, 2026	Apr 28, 2026	—	7,307	Apr 28, 2026

Application records

Status entries the RRC filed against this permit number.

Status no.	Received	Status	Operator	Lease / well
914910-98	Sep 15, 2026	A	Tanos Exploration IV, LLC	Whelan OU 5 (AW) #1HU
914910-99	Apr 14, 2026	A	Tanos Exploration IV, LLC	Whelan OU 5 #H 1UU

About this data

W-1 drilling permit from the RRC OGA049M master and daily daf420 files, refreshed every business day. Surface coordinates come from the daily file only. Amendments appear as sequence numbers on the same permit; the lowest is current.

Developers: this page as JSON is GET /v1/data/permits/tx/914910, documented in the API reference.