42-211-32945

Final Completion

RAMP WALKER 11

HEMPHILL County · District 10 · SAMSON LONE STAR LP · RAMP NE. (GRANITE WASH)

Permits

Max Depth

14,000 ft

First Permit

2004-03-10

Latest Activity

2006-07-03

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2004-06-02

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: SAMSON LONE STAR LP ≠ Production: MMGL TXPH, LLC (reported 2026-04)

Resolved via: production → MMGL TXPH, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2004-06

Last Production

2026-07

Operator History

Chain of Custody

SAMSON LONE STAR LP 2004-2007→ SAMSON LONE STAR, LLC 2007-2016→ TECOLOTE ENERGY OPERATING, LLC 2016-2019→ BLACKBEARD OPERATING, LLC 2020-2023→ MMGL TXPH, LLC 2023-2026

Lease Production

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

Formation Tops (6) Elevation 2,383 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BROWN DOLOMITE	4,270 ft	-1,887 ft
DOUGLAS	7,855 ft	-5,472 ft
TONKAWA	8,665 ft	-6,282 ft
CLEVELAND	10,020 ft	-7,637 ft
OSWEGO	10,300 ft	-7,917 ft
GRANITE WASH	11,070 ft	-8,687 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
7,948–8,201 ft	Perforated
11,235–13,032 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	3,078 ft	1,630 sx
5.5"	13,110 ft	425 sx

Permit History (2)

#621650 Recompletion Final Completion

RAMP WALKER 11 · 13,110 ft

2006-07-03

Spud 2006-06-27

#543066 Drill Final Completion

WALKER, RAMP 11 · 14,000 ft

2004-03-10

Spud 2004-04-07

Applications (2)

#621650 A SAMSON LONE STAR LP

received 2006-06-27

#543066 A SAMSON LONE STAR LP

received 2004-03-10

Records & Logs

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

W-2/G-1 2006-09-26 log on file

W-2/G-1 2006-09-29

W-2/G-1 2004-08-13 log on file

W-2/G-1 2004-09-13

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 HEMPHILL County.

Well Details

Well Number: 1
Max Depth: 14,000 ft
Drill Type: Vertical
County: HEMPHILL
District: 10
Operator: SAMSON LONE STAR LP
Completed: 2004-06-02

Operator

Name: SAMSON LONE STAR LP
Location: TULSA
P-5 Status: Inactive (filed 2006-12-29)
Cum Oil (all leases): 6,699,785 bbl
Cum Gas (all leases): 802,711,411 mcf
Total Permits: 1,644