42-003-42083

PRODUCING

SAMSON UNIVERSITY 23

ANDREWS County · District 8 · SABALO II OPERATING LLC · SPRABERRY (TREND AREA)

Permits

Max Depth

11,700 ft

First Permit

2010-09-23

Latest Activity

2015-02-09

Lifespan

4 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-03-31

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: SABALO II OPERATING LLC ≠ Permit: WILLIAMS, CLAYTON ENERGY, INC.

Resolved via: production → SABALO II OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2011-03

Last Production

2026-07

Operator History

Chain of Custody

WILLIAMS, CLAYTON ENERGY, INC. 2011-2017→ NBL PERMIAN LLC 2017-2017→ THRONE PETROLEUM RESOURCES LLC 2017-2021→ MONTROSE OPERATING LLC 2021-2024→ SABALO II OPERATING, LLC 2024-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (5) Elevation 3,077 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	7,014 ft	-3,937 ft
SPRABERRY	8,610 ft	-5,533 ft
WOLFCAMP	9,810 ft	-6,733 ft
STRAWN	10,975 ft	-7,898 ft
ATOKA	11,170 ft	-8,093 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 (1)

Interval	Type
7,710–11,270 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	413 ft	440 sx
8.625"	4,990 ft	1,350 sx
5.5"	11,400 ft	1,050 sx

Permit History (2)

#803513 Recompletion Final Completion

SAMSON UNIVERSITY 23 · 11,700 ft

2015-02-09

Spud 2010-11-21

#702548 Drill Final Completion

SAMSON UNIVERSITY '23' · 11,700 ft

2010-09-23

Spud 2010-11-20

Applications (2)

#803513 A WILLIAMS, CLAYTON ENERGY, INC.

received 2015-02-04

#702548 A WILLIAMS, CLAYTON ENERGY, INC.

received 2010-09-21

Records & Logs

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

W-2/G-1 2015-02-12

W-2/G-1 2011-04-20 log on file

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 ANDREWS County.

Well Details

Well Number: 1
Max Depth: 11,700 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: SABALO II OPERATING LLC
Completed: 2011-03-31

Operator

Name: SABALO II OPER, LLC
Location: CORPUS CHRS, TI
P-5 Status: Active (filed 2026-02-25)
Cum Oil (all leases): 2,190,078 bbl
Cum Gas (all leases): 183 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 61