42-165-34672

Horizontal

BLACKWATCH (SAN ANDRES) UNIT

GAINES County · District 8 · SABINAL ENERGY OPERATING, LLC

Permits

Max Depth

7,300 ft

First Permit

1993-12-21

Latest Activity

2020-04-08

Lifespan

26 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

UNION OIL COMPANY OF CALIFORNIA 1993-2000→ PURE RESOURCES, L.P. 2000-2006→ CHEVRON MIDCONTINENT, L.P. 2006-2017→ SABINAL ENERGY OPERATING, LLC 2017-2025→ BCE-MACH III LLC 2025-2026

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 (3) Elevation 3,424 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	2,913 ft	+511 ft
GRAYBURG	4,321 ft	-897 ft
CLEARFORK (Clear Fork)	6,420 ft	-2,996 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section

✓ 42-165-34323 PALMER · UNION OIL COMPANY OF CALIFORNIA

1.1 mi

Yates 2,920'San Andres 4,200'Glorieta 5,858'Clear Fork 6,385'Tubb 7,063'Tubb 7,160'Clear Fork 7,253'

✓ 42-165-38746 STEEL DAWN · PEARL O&G OPCO, LLC

1.1 mi

Yates 3,000'Seven Rivers 3,250'Queen 3,800'San Andres 4,800'Spraberry —San Angelo —Wichita-Albany —Glorieta —Clear Fork —Leonard —

✓ 42-165-38723 PRESLEY 360 · SABINAL ENERGY OPERATING, LLC

1.2 mi

Yates 2,967'Seven Rivers 3,213'Queen 3,735'San Andres 4,492'San Angelo —Wichita-Albany —Clear Fork —Glorieta —Leonard —Spraberry —

✓ 42-165-33647 NORTH RILEY UNIT · UNION OIL COMPANY OF CALIFORNIA

1.4 mi

Yates 2,956'Seven Rivers 3,194'Queen 3,760'San Andres 4,488'Glorieta 5,938'Glorieta 5,939'Clear Fork 6,369'Clear Fork 6,394'Tubb 7,074'Tubb 7,176'Clear Fork 7,288'

✓ 42-165-38856 RUIDOSA 365 · SABINAL ENERGY OPERATING, LLC

1.8 mi

Yates 2,985'Seven Rivers 3,228'Queen 3,799'San Andres 4,493'Glorieta 6,098'Clear Fork 6,417'Wichita-Albany —Leonard —San Angelo —Spraberry —

✓ 42-165-36042 NORTH RILEY UNIT · SABINAL ENERGY OPERATING, LLC

1.9 mi

Yates 2,919'San Andres 4,491'Glorieta 5,874'Clear Fork 6,440'Clear Fork 6,440'Clear Fork 6,881'

✓ 42-165-38933 BLANTON · SABINAL ENERGY OPERATING, LLC

2.0 mi

Yates 2,933'Seven Rivers 3,156'Queen 3,749'San Andres 4,428'Glorieta 5,802'Clear Fork 6,228'San Angelo —Leonard —Wichita-Albany —Spraberry —

✓ 42-165-38934 SHINER · SABINAL ENERGY OPERATING, LLC

2.0 mi

Seven Rivers 3,154'Queen 3,744'San Andres 4,436'Glorieta 5,825'Clear Fork 6,253'Spraberry —San Angelo —Wolfcamp —Leonard —Wichita-Albany —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

Interval	Type
6,471–7,034 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,850 ft	850 sx
5.5"	7,300 ft	2,100 sx

Permit History (2)

#856884 Recompletion

BLACKWATCH (SAN ANDRES) UNIT · 5,000 ft

2020-04-08

#419454 Drill Final Completion

NORTH RILEY UNIT · 7,300 ft

1993-12-21

Spud 1994-01-17

Applications (2)

#856884 A SABINAL ENERGY OPERATING, LLC

received 2019-09-09

#419454 A UNION OIL COMPANY OF CALIFORNIA

received 1993-12-17

Records & Logs

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

W-2/G-1 1994-05-19 log on file

W-2/G-1 1994-05-24

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.

Google Maps → Explorer Map →

Lat 32.707401

Lon -102.829140

Well Details

Well Number: 236H
Max Depth: 7,300 ft
Drill Type: Horizontal
County: GAINES
District: 8
Operator: SABINAL ENERGY OPERATING, LLC

Operator

Name: SABINAL ENGY OPER, LLC
Location: HOUSTON, DS
P-5 Status: Inactive (filed 2025-06-11)
Cum Oil (all leases): 36,722,630 bbl
Cum Gas (all leases): 23,917 mcf
Total Permits: 146