42-105-37521
Final CompletionOLSON UNIT
CROCKETT County · District 7 · ASPEN OPERATING COMPANY L.L.C. · OLSON
Permits
1
Max Depth
2,500 ft
First Permit
1997-01-03
Latest Activity
1997-01-03
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1997-05-02
Shut-In
—
Plugged
2023-12-12
EWA / Permit operator mismatch
Scheduling: ASPEN OPERATING COMPANY L.L.C. ≠ Permit: MARATHON OIL COMPANY
Resolved via: production → ASPEN OPERATING COMPANY, L.L.C.
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 2,621 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,176 ft | +1,445 ft |
| 7-RIVERS (Seven Rivers) | 1,299 ft | +1,322 ft |
| QUEEN | 1,776 ft | +845 ft |
| SAN ANDRES | 2,117 ft | +504 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 |
|---|---|
| 2,126–2,210 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 710 ft | 410 sx |
| 5.5" | 2,431 ft | 695 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
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.
No GPS coordinates yet
Well Details
- Well Number
- 420
- Max Depth
- 2,500 ft
- Drill Type
- Vertical
- County
- CROCKETT
- District
- 7
- Operator
- ASPEN OPERATING COMPANY L.L.C.
- Completed
- 1997-05-02
Operator
- Name
- ASPEN OPER CO, L.L.C
- Location
- FORT WORTH
- P-5 Status
- Active (filed 2026-01-12)
- Cum Oil (all leases)
- 4,610,944 bbl
- Cum Gas (all leases)
- 9,640,400 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 124