42-003-41043

PRODUCING

ANDREWS UNIVERSITY 20

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

Permits

Max Depth

11,500 ft

First Permit

2009-06-08

Latest Activity

2010-09-10

Lifespan

1 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2010-02-07

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

2008-07

Last Production

2026-07

Operator History

Chain of Custody

WILLIAMS, CLAYTON ENERGY, INC. 2008-2017→ 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 (4) Elevation 3,005 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEAR FORK	6,974 ft	-3,969 ft
SPRABERRY	8,592 ft	-5,587 ft
DEAN	9,574 ft	-6,569 ft
WOLFCAMP	9,792 ft	-6,787 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
7,322–11,415 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	427 ft	440 sx
8.625"	5,022 ft	1,150 sx
5.5"	11,479 ft	1,200 sx

Permit History (2)

#701714 Recompletion Final Completion

ANDREWS UNIVERSITY 20 · 11,500 ft

2010-09-10

Spud 2009-12-04

#681902 Drill Final Completion

ANDREWS UNIVERSITY 20 · 11,500 ft

2009-06-08

Spud 2009-12-04

Applications (2)

#701714 A WILLIAMS, CLAYTON ENERGY, INC.

received 2010-09-02

#681902 A WILLIAMS, CLAYTON ENERGY, INC.

received 2009-06-05

Records & Logs

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

W-2/G-1 2010-03-05 log on file

W-2/G-1 2011-07-07

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: 2
Max Depth: 11,500 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: SABALO II OPERATING LLC
Completed: 2010-02-07

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