← Wells

42-095-31323

Final Completion

CONCHO WILLIE

CONCHO County · District 7 · MARSHALL & WINSTON INC. · LONESOME DOVE II (KING SAND)

Permits

2

Max Depth

2,300 ft

First Permit

1991-05-30

Latest Activity

1991-05-30

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-06-24

Shut-In

—

Plugged

—

!

EWA / Production operator mismatch

Scheduling: MARSHALL & WINSTON INC. ≠ Production: SUNDOWN OIL OPERATING, LLC (reported 2026-04)

Resolved via: production → SUNDOWN OIL OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MARSHALL & WINSTON, INC. 1993-2025→ SUNDOWN OIL OPERATING, 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 →
Oil
production & DCA →

Formation Tops (2) Elevation 2,126 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
KING LIME2,032 ft+94 ft
KING SAND2,050 ft+76 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)

IntervalType
2,053–2,077 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"390 ft175 sx
5.5"2,184 ft400 sx

Permit History (2)

#388446 Field Transfer Final Completion

CONCHO, WILLIE · 2,300 ft

1991-05-30

#388446 Drill Final Completion

CONCHO, WILLIE · 2,300 ft

1991-05-30

Spud 1991-06-03

Applications (2)

#388446 A MARSHALL & WINSTON, INC.
received 1992-12-16
#388446 A MARSHALL & WINSTON, INC.
received 1991-05-30

Records & Logs

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

W-2/G-1 1992-12-17
W-2/G-1 1991-07-15 log on file
W-2/G-1 1991-07-15 log on file
W-2/G-1 1991-07-19
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 CONCHO County.

Well Details

Well Number
2
Max Depth
2,300 ft
Drill Type
Vertical
County
CONCHO
District
7
Operator
MARSHALL & WINSTON INC.
Completed
1991-06-24

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-05-14)
Cum Oil (all leases)
4,906,076 bbl
Cum Gas (all leases)
36,739,929 mcf
Total Permits
359