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ANDREWS UNIVERSITY 37

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

Permits

Max Depth

11,750 ft

First Permit

2009-10-16

Latest Activity

2010-07-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2010-01-13

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

2010-01

Last Production

2026-07

Operator History

Chain of Custody

WILLIAMS, CLAYTON ENERGY, INC. 2010-2017→ 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 (6) Elevation 3,045 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CLEARFORK (Clear Fork)	7,168 ft	-4,123 ft
SPRABERRY	8,574 ft	-5,529 ft
DEAN	9,678 ft	-6,633 ft
WOLFCAMP	9,728 ft	-6,683 ft
STRAWN	10,926 ft	-7,881 ft
ATOKA	11,130 ft	-8,085 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
7,617–11,092 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	418 ft	440 sx
8.625"	5,027 ft	1,300 sx
5.5"	11,348 ft	1,185 sx

Permit History (2)

#699147 Recompletion Final Completion

ANDREWS UNIVERSITY 37 · 11,500 ft

2010-07-20

Spud 2009-11-15

#686214 Drill Final Completion

ANDREWS UNIVERSITY 37 · 11,750 ft

2009-10-16

Spud 2009-11-15

Applications (2)

#699147 A WILLIAMS, CLAYTON ENERGY, INC.

received 2010-07-16

#686214 A WILLIAMS, CLAYTON ENERGY, INC.

received 2009-10-15

Records & Logs

2 completion filings on record.

W-2/G-1 2010-02-12

W-2/G-1 2010-06-08

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: 11,750 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: SABALO II OPERATING LLC
Completed: 2010-01-13

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