42-445-30852
Final Completion HorizontalSidetrackWELLMAN WEST UNIT
TERRY County · District 8 · DEVON ENERGY PRODUCTION CO, L.P.
Permits
4
Max Depth
5,650 ft
First Permit
1980-07-08
Latest Activity
2005-06-06
Lifespan
25 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
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
Permitted Volume
800 bbl/d
Max Pressure
2,000 psi
Injection Interval
4,953–5,640 ft
Injected (12mo)
157,046 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
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 (2) Elevation 3,373 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 3,364 ft | +9 ft |
| SAN ANDRES | 5,534 ft | -2,161 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 |
|---|---|
| 5,121–5,533 ft | Perforated |
| 5,210–5,555 ft | Perforated |
| 5,540–5,554 ft | Perforated |
Casing (8)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 370 ft | 400 sx |
| 13.375" | 391 ft | 400 sx |
| 13.375" | 395 ft | 2,750 sx |
| 8.625" | 3,599 ft | 3,000 sx |
| 8.625" | 3,600 ft | 2,750 sx |
| 2.375" | 5,565 ft | — |
| 5.5" | 5,640 ft | 580 sx |
| 5.5" | 5,640 ft | 580 sx |
Permit History (4)
Applications (4)
Records & Logs
6 completion filings on record.
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
- 21HW
- Max Depth
- 5,650 ft
- Drill Type
- Horizontal, Sidetrack
- County
- TERRY
- District
- 8
- Operator
- DEVON ENERGY PRODUCTION CO, L.P.
Operator
- Location
- OKLAHOMA CI, TY
- P-5 Status
- Active (filed 2025-12-18)
- Cum Oil (all leases)
- 365,943,944 bbl
- Cum Gas (all leases)
- 9,274,880,220 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 9,259