42-347-31723

SWR-10-WELL

MAST GU 1

NACOGDOCHES County · District 6 · TEXIAN OPERATING COMPANY LLC · NACOGDOCHES E. (JAMES LIME)

Permits

Max Depth

11,000 ft

First Permit

2001-09-17

Latest Activity

2006-02-07

Lifespan

4 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2006-02-06

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Production operator mismatch

Scheduling: TEXIAN OPERATING COMPANY LLC ≠ Production: ROCKCLIFF ENERGY OPERATING LLC (reported 2018-05)

EWA / Permit operator mismatch

Scheduling: TEXIAN OPERATING COMPANY LLC ≠ Permit: SAMSON LONE STAR LP

Resolved via: scheduling → TEXIAN OPERATING COMPANY LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2002-05

Last Production

2026-07

Operator History

Chain of Custody

SAMSON LONE STAR LP 2002-2007→ SAMSON LONE STAR, LLC 2007-2015→ ROCKCLIFF ENERGY OPERATING LLC 2018-2018

Lease Production

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

Formation Tops (3) Elevation 455 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RODESSA	8,170 ft	-7,715 ft
JAMES (James Lime)	8,679 ft	-8,224 ft
PETTIT	8,939 ft	-8,484 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 (3)

Interval	Type
8,688–8,831 ft	Perforated
9,694–9,886 ft	Perforated
9,694–9,986 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	2,893 ft	990 sx
4.5"	10,440 ft	850 sx

Permit History (2)

#613409 Recompletion Final Completion

MAST GAS UNIT 1 · 10,440 ft

2006-02-07

#513634 Drill Final Completion

MAST GU 1 · 11,000 ft

2001-09-17

Spud 2002-03-12

Applications (2)

#613409 A SAMSON LONE STAR LP

received 2006-02-01

#513634 A SAMSON LONE STAR LP

received 2001-09-17

Records & Logs

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

W-2/G-1 2007-02-07

W-2/G-1 2006-03-23 log on file

W-2/G-1 2006-09-20

W-2/G-1 2002-08-02

W-2/G-1 2002-06-17 log on file

W-2/G-1 2002-07-11

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 NACOGDOCHES County.

Well Details

Well Number: 1
Max Depth: 11,000 ft
Drill Type: Vertical
County: NACOGDOCHES
District: 6
Operator: TEXIAN OPERATING COMPANY LLC
Completed: 2006-02-06

Operator

Name: TEXIAN OPERATING COMPANY, LLC
Location: IRVING
P-5 Status: X (filed 2026-06-12)
Cum Oil (all leases): 739,024 bbl
Cum Gas (all leases): 6,389,754 mcf
Activities: CSGD/G, GTHS/G, OPRS/G, OPRS/O