42-475-01859
Final CompletionO'BRIEN, G. W.
WARD County · District 8 · WHITING OIL AND GAS CORPORATION
Permits
3
Max Depth
4,000 ft
First Permit
2005-12-08
Latest Activity
2005-12-08
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
2024-03-05
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
Injection / Disposal
WARD County disposal market →Permitted Volume
600 bbl/d
Max Pressure
1,250 psi
Injection Interval
2,580–2,902 ft
Injected (12mo)
—
Permitted Volume
2,000 bbl/d
Max Pressure
1,175 psi
Injection Interval
2,368–2,898 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2024-07-01)
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 (5) Elevation 2,666 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 950 ft | +1,716 ft |
| TANSILL | 2,300 ft | +366 ft |
| YATES | 2,430 ft | +236 ft |
| YATES | 2,460 ft | +206 ft |
| YATES | 2,520 ft | +146 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 (3)
| Interval | Type |
|---|---|
| 2,520–2,878 ft | Perforated |
| 2,569–2,828 ft | Perforated |
| 2,569–2,898 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 560 ft | 600 sx |
| 4.5" | 2,378 ft | 180 sx |
| 7" | 2,569 ft | 300 sx |
Permit History (3)
Applications (3)
Records & Logs
5 completion filings on record.
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
- 421
- Max Depth
- 4,000 ft
- Drill Type
- Vertical
- County
- WARD
- District
- 8
- Operator
- WHITING OIL AND GAS CORPORATION
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-03-18)
- Cum Oil (all leases)
- 46,349,811 bbl
- Cum Gas (all leases)
- 57,098,327 mcf
- Activities
- OPRS/O
- Total Permits
- 2,092