← Wells

42-475-37500

PRODUCING

O BRIEN G. W. ETAL

WARD County · District 8 · SUNDOWN ENERGY LP · WAGON WHEEL (PENN)

Permits

1

Max Depth

12,000 ft

First Permit

2018-03-27

Latest Activity

2018-03-27

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-06-14

Shut-In

—

Plugged

—

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: SUNDOWN ENERGY LP ≠ Permit: FOUR CORNERS PETROLEUM II, LLC

Resolved via: production → SUNDOWN ENERGY LP

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

CHEVRON U. S. A. INC. 1993-1999→ CELERO ENERGY, L.P. 2005-2005→ WHITING OIL AND GAS CORPORATION 2005-2016→ FOUR CORNERS PETROLEUM II, LLC 2017-2021→ SUNDOWN ENERGY LP 2021-2026

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 (10) Elevation 2,669 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SEVEN RIVERS 2,777 ft-108 ft
QUEEN 2,993 ft-324 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,675 ft-1,006 ft
HOLT 4,994 ft-2,325 ft
CLEARFORK (Clear Fork)5,617 ft-2,948 ft
TUBB 6,462 ft-3,793 ft
DELAWARE ——
GLORIETA ——
RUSTLER ——
YATES ——

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
✓ 42-475-37386 G. W. OBRIEN ET AL · FOUR CORNERS PETROLEUM II, LLC
0.0 mi
Delaware —San Andres —Holt —Seven Rivers —Glorieta —Tubb —Queen —Rustler —Clear Fork —Yates —
✓ 42-475-37731 G.W. OBRIEN ET AL · FOUR CORNERS PETROLEUM II, LLC
0.3 mi
San Andres 3,676'Holt 4,982'Clear Fork 5,392'Tubb 6,361'Glorieta —Queen —Rustler —Yates —Delaware —Seven Rivers —
✓ 42-475-37599 G.W. O'BRIEN, ET AL · FOUR CORNERS PETROLEUM II, LLC
0.4 mi
Holt 4,964'Clear Fork 5,432'Tubb 6,303'Delaware —San Andres —Seven Rivers —Glorieta —Queen —Rustler —Yates —
✓ 42-475-37597 G.W. O'BRIEN, ET AL · FOUR CORNERS PETROLEUM II, LLC
0.4 mi
San Andres 3,640'Holt 5,304'Clear Fork 5,408'Tubb 6,310'Glorieta —Queen —Yates —Delaware —Wichita-Albany —Seven Rivers —
✓ 42-475-37453 G. W. O'BRIEN ETAL · FOUR CORNERS PETROLEUM II, LLC
0.5 mi
Rustler 1,088'Yates 2,534'Seven Rivers 2,816'Queen 3,045'San Andres 3,733'Holt 5,071'Clear Fork 5,496'Tubb 6,417'Wichita-Albany 6,633'Glorieta —
✓ 42-475-37486 G. W. O'BRIEN ETAL · FOUR CORNERS PETROLEUM II, LLC
0.5 mi
Rustler 999'Yates 2,502'Seven Rivers 2,770'Queen 2,989'San Andres 3,645'Holt 4,992'Clear Fork 5,508'Tubb 6,345'Delaware —Glorieta —
✓ 42-475-37584 G W OBRIEN ET AL · FOUR CORNERS PETROLEUM II, LLC
0.5 mi
San Andres 3,636'Holt 4,898'Clear Fork 5,370'Tubb 6,275'Delaware —Seven Rivers —Glorieta —Queen —Rustler —Yates —
✓ 42-475-37644 G.W. OBRIEN ET AL · FOUR CORNERS PETROLEUM II, LLC
0.5 mi
San Andres 3,683'Holt 4,968'Clear Fork 5,486'Tubb 6,388'Rustler —Delaware —Yates —Seven Rivers —Glorieta —Queen —

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
8,345–10,746 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"689 ft475 sx
8.625"3,548 ft1,100 sx
5.5"10,937 ft855 sx

Permit History (1)

#837659 Drill Final Completion

G.W. OBRIEN ET AL · 12,000 ft

2018-03-27

Spud 2018-05-30

Applications (1)

#837659 A FOUR CORNERS PETROLEUM II, LLC
received 2018-03-19

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2018-11-01 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.

Google Maps → Explorer Map →
Lat 31.590431
Lon -103.001162

Well Details

Well Number
2021R
Max Depth
12,000 ft
Drill Type
Vertical
County
WARD
District
8
Operator
SUNDOWN ENERGY LP
Completed
2018-06-14

Operator

Location
DALLAS
P-5 Status
X (filed 2026-06-03)
Cum Oil (all leases)
16,582,532 bbl
Cum Gas (all leases)
24,624,728 mcf
Activities
OPRS/G, OPRS/O
Total Permits
300