42-003-49089

PRODUCING Horizontal

BOOMTOWN 27-21 C

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

Permits

3

Max Depth

9,900 ft

First Permit

2024-12-19

Latest Activity

2024-12-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-05-05

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-02

Last Production

2026-07

Lease Production

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

Formation Tops (10) Elevation 3,058 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 3,375 ft-317 ft
SEVEN RIVERS 3,618 ft-560 ft
QUEEN 4,458 ft-1,400 ft
GRAYBURG 4,979 ft-1,921 ft
SAN ANDRES - CO2 FLOOD, HIGH FLO (San Andres)5,115 ft-2,057 ft
GLORIETA 7,177 ft-4,119 ft
CLEARFORK (Clear Fork)7,323 ft-4,265 ft
HOLT
PERMIAN DETRITAL (Permian (undifferentiated))
TUBB

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
42-003-49091 BOOMTOWN 27-21 D · SABALO II OPERATING, LLC
0.0 mi
Yates 3,376'Seven Rivers 3,635'Queen 4,464'Grayburg 4,971'San Andres 5,101'Glorieta 7,189'Clear Fork 7,368'Holt Tubb Permian (undifferentiated)
42-003-49090 BOOMTOWN 27-21 D · SABALO II OPERATING, LLC
0.0 mi
Yates 3,381'Seven Rivers 3,633'Queen 4,465'Grayburg 4,976'San Andres 5,097'Glorieta 7,187'Clear Fork 7,372'Holt Tubb Permian (undifferentiated)
42-003-49198 MONARCH 28-33 D · SABALO II OPERATING, LLC
0.1 mi
Yates 3,390'Seven Rivers 3,633'Queen 4,571'Grayburg 4,861'San Andres 5,146'Glorieta 5,960'Clear Fork 7,360'Barnett 12,120'Ellenburger Holt Tubb McKee +1 more
42-003-49199 MONARCH 28-33 D · SABALO II OPERATING, LLC
0.1 mi
Yates 3,367'Seven Rivers 3,634'Queen 4,574'Grayburg 4,862'San Andres 5,148'Glorieta 5,956'Clear Fork 7,356'Holt Tubb Permian (undifferentiated)
42-003-49200 MONARCH 28-33 D · SABALO II OPERATING, LLC
0.1 mi
Yates 3,371'Seven Rivers 3,634'Queen 4,571'Grayburg 4,862'San Andres 5,144'Glorieta 5,962'Clear Fork 7,350'Holt Tubb Permian (undifferentiated)
42-003-49201 MONARCH 28-33 D · SABALO II OPERATING, LLC
0.1 mi
Yates 3,373'Seven Rivers 3,636'Queen 4,572'Grayburg 4,864'San Andres 5,143'Glorieta 5,958'Clear Fork 7,347'Holt Tubb Permian (undifferentiated)
42-003-48479 FEE 'CA' SWD · FASKEN OIL AND RANCH, LTD.
2.7 mi
Yates 3,290'Queen 3,920'Grayburg 5,050'San Andres 5,860'Clear Fork Glorieta Seven Rivers Holt Tubb Permian (undifferentiated)
42-003-00950 MCCOLLUM, F. T. & WIEBUSCH, G.W. · ZARVONA ENERGY LLC
3.4 mi
Grayburg 4,600'San Andres 4,797'Glorieta 5,586'Clear Fork 6,950'Clear Fork 7,245'Clear Fork 7,245'Dean 8,444'Wolfcamp 8,569'

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)

IntervalType
10,187–22,394 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,926 ft1,650 sx
9.625"9,009 ft1,434 sx
5.5"22,485 ft2,649 sx

Permit History (3)

Applications (3)

#904746 A SABALO II OPERATING, LLC
received 2025-09-23
#904746 A SABALO II OPERATING, LLC
received 2025-03-11
#904746 A SABALO II OPERATING, LLC
received 2024-12-17

Records & Logs

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

W-2/G-1 2025-10-17
W-2/G-1 2025-09-16 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.

Lat 32.299630
Lon -102.410893

Well Details

Well Number
1WA
Max Depth
9,900 ft
Drill Type
Horizontal
County
ANDREWS
District
8
Completed
2025-05-05

Operator

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
67