42-435-37456

PRODUCING

VALLIANT ROY

SUTTON County · District 7 · EXTEX OPERATING COMPANY · DENISON (CANYON)

Permits

Max Depth

10,000 ft

First Permit

2005-06-03

Latest Activity

2005-11-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2006-01-11

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Permit: SAMSON LONE STAR LP

Resolved via: production → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2005-10

Last Production

2026-07

Operator History

Chain of Custody

SAMSON LONE STAR LP 2005-2007→ SAMSON LONE STAR, LLC 2007-2010→ THREE RIVERS OPERATING CO LLC 2011-2012→ COG OPERATING LLC 2012-2012→ LEGACY RESERVES OPERATING LP 2013-2021→ EXTEX OPERATING COMPANY 2021-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (4) Elevation 2,262 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE CRETACEOUS LIMESTONE (Base Cretaceous (marker))	885 ft	+1,377 ft
LOWER SPRABERRY (Spraberry)	2,207 ft	+55 ft
TOP CANYON (Canyon)	6,310 ft	-4,048 ft
STRAWN	8,440 ft	-6,178 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

Interval	Type
7,092–7,626 ft	Perforated
8,462–8,920 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,401 ft	612 sx
4.5"	9,150 ft	930 sx

Permit History (2)

#609980 Recompletion Final Completion

VALLIANT, ROY · 10,000 ft

2005-11-28

Spud 2005-11-30

#601569 Drill Final Completion

VALLIANT, ROY · 10,000 ft

2005-06-03

Spud 2005-07-26

Applications (2)

#609980 A SAMSON LONE STAR LP

received 2005-11-22

#601569 A SAMSON LONE STAR LP

received 2005-06-02

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2006-02-13

W-2/G-1 2005-12-29 log on file

W-2/G-1 2006-03-07

W-2/G-1 2006-03-06

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in SUTTON County.

Well Details

Well Number: 1
Max Depth: 10,000 ft
Drill Type: Vertical
County: SUTTON
District: 7
Operator: EXTEX OPERATING COMPANY
Completed: 2006-01-11

Operator

Name: EXTEX OPER CO
Location: HOUSTON
P-5 Status: Active (filed 2026-01-07)
Cum Oil (all leases): 5,887,486 bbl
Cum Gas (all leases): 10,031,045 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 117