42-095-31347
CONCHO WILLIE
CONCHO County · District 7 · MARSHALL & WINSTON INC. · LONESOME DOVE II (KING SAND)
Permits
2
Max Depth
2,600 ft
First Permit
1991-07-11
Latest Activity
1991-07-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-07-22
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 Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,120 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE BRECKENRIDGE | 2,004 ft | +116 ft |
| BASE OF BRECKENRIDGE | 2,004 ft | +116 ft |
| KING LIME | 2,032 ft | +88 ft |
| KING SAND | 2,058 ft | +62 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 |
|---|---|
| 2,060–2,078 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 408 ft | 175 sx |
| 5.5" | 2,190 ft | 400 sx |
Permit History (2)
Applications (2)
Records & Logs
4 completion filings on record · 2 with log images at RRC.
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
Well Details
- Well Number
- 4
- Max Depth
- 2,600 ft
- Drill Type
- Vertical
- County
- CONCHO
- District
- 7
- Operator
- MARSHALL & WINSTON INC.
- Completed
- 1991-07-22
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