42-089-00036
Final CompletionCOLUMBUS FIELD UNIT
COLORADO County · District 3 · CITIES SERVICE OIL CO. · COLUMBUS (12-A)
Permits
1
Max Depth
10,500 ft
First Permit
1992-07-27
Latest Activity
1992-07-27
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: CITIES SERVICE OIL CO. ≠ Production: RUSK ENERGY OPERATING LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: CITIES SERVICE OIL CO. ≠ Permit: OXY USA INC.
Resolved via: production → RUSK ENERGY 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 287 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP WILCOX (Wilcox) | 6,681 ft | -6,394 ft |
| COLUMBUS (5-3) | 7,343 ft | -7,056 ft |
| COLUMBUS (6-GG) | 8,070 ft | -7,783 ft |
| COLUMBUS (7-C) | 8,357 ft | -8,070 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 (4)
| Interval | Type |
|---|---|
| 8,396–8,400 ft | Perforated |
| 8,485–8,500 ft | Perforated |
| 9,364–9,370 ft | Perforated |
| 9,552–9,568 ft | Perforated |
Casing (7)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 80 ft | — |
| 10.75" | 2,685 ft | — |
| 10.75" | 2,703 ft | 1,000 sx |
| 2.375" | 8,410 ft | — |
| 2.375" | 9,522 ft | — |
| 7" | 10,473 ft | — |
| 7" | 10,491 ft | 950 sx |
Permit History (1)
Applications (1)
Records & Logs
6 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
- 604
- Max Depth
- 10,500 ft
- Drill Type
- Vertical
- County
- COLORADO
- District
- 3
- Operator
- CITIES SERVICE OIL CO.
Operator
- Location
- UNKNOWN
- P-5 Status
- Inactive
- Total Permits
- 11