42-317-33183

Final Completion

TOM RANCH

MARTIN County · District 8 · SAMSON LONE STAR LLC · GORDON STREET (WOLFCAMP 8700)

Permits

Max Depth

10,500 ft

First Permit

1985-05-20

Latest Activity

2009-10-26

Lifespan

24 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-10-25

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: SAMSON LONE STAR LLC ≠ Production: EXTEX OPERATING COMPANY (reported 2026-04)

Resolved via: production → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

SAMSON RESOURCES COMPANY 1993-1995→ SAMSON HYDROCARBONS COMPANY 1995-1996→ SAMSON LONE STAR LP 1996-2007→ SAMSON LONE STAR, LLC 2007-2010→ THREE RIVERS OPERATING CO LLC 2011-2012→ COG OPERATING LLC 2012-2012→ LEGACY RESERVES OPERATING LP 2013-2020→ 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 (6) Elevation 2,650 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	2,140 ft	+510 ft
SPRABERRY	6,920 ft	-4,270 ft
DEAN	8,214 ft	-5,564 ft
WOLFCAMP	8,390 ft	-5,740 ft
WOLFCAMP	8,398 ft	-5,748 ft
STRAWN	10,094 ft	-7,444 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 (6)

Interval	Type
6,936–6,956 ft	Perforated
7,800–7,820 ft	Perforated
8,330–8,350 ft	Perforated
8,481–8,883 ft	Perforated
8,481–9,134 ft	Perforated
8,942–9,183 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	435 ft	425 sx
9.625"	4,998 ft	1,600 sx
5.5"	10,270 ft	1,400 sx

Permit History (2)

#684809 Recompletion Final Completion

TOM RANCH · 10,290 ft

2009-10-26

Spud 2009-12-02

#275471 Drill Final Completion

TOM RANCH · 10,500 ft

1985-05-20

Spud 1985-06-05

Applications (2)

#684809 A SAMSON LONE STAR, LLC

received 2009-09-04

#275471 A MOBIL PRODUCING TX. & N.M. INC.

received 1985-05-20

Records & Logs

5 completion filings on record · 2 with log images at RRC.

W-2/G-1 2010-05-25

W-2/G-1 2010-01-19 log on file

W-2/G-1 2010-04-28

W-2/G-1 1985-12-16 log on file

W-2/G-1 1985-12-24

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 MARTIN County.

Well Details

Well Number: 2
Max Depth: 10,500 ft
Drill Type: Vertical
County: MARTIN
District: 8
Operator: SAMSON LONE STAR LLC
Completed: 1985-10-25

Operator

Name: SAMSON LONE STAR, LLC
Location: TULSA
P-5 Status: Delinquent (filed 2020-01-30)
Cum Oil (all leases): 5,312,544 bbl
Cum Gas (all leases): 1,149,688,476 mcf
Activities: G/PUR
Total Permits: 1,290