42-435-38226
Final CompletionDUKE WILSON 21
SUTTON County · District 7 · ENERVEST OPERATING L.L.C. · SAWYER (LEONARD)
Permits
3
Max Depth
9,050 ft
First Permit
2006-12-14
Latest Activity
2015-10-19
Lifespan
9 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2013-04-02
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ENERVEST OPERATING L.L.C. ≠ Production: UPP OPERATING, LLC (reported 2026-04)
Resolved via: production → UPP 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
2007-02
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 (6) Elevation 2,078 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 769 ft | +1,309 ft |
| LEONARD | 1,500 ft | +578 ft |
| WOLFCAMP | 2,630 ft | -552 ft |
| WOLFCAMP | 2,644 ft | -566 ft |
| CANYON | 5,582 ft | -3,504 ft |
| STRAWN | 8,584 ft | -6,506 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 |
|---|---|
| 2,220–2,665 ft | Perforated |
| 2,696–3,995 ft | Perforated |
| 5,754–8,530 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,095 ft | 403 sx |
| 4.5" | 8,713 ft | 800 sx |
| 4.5" | 8,717 ft | 1,800 sx |
Permit History (3)
Applications (3)
Records & Logs
6 completion filings on record · 1 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
- 16
- Max Depth
- 9,050 ft
- Drill Type
- Vertical
- County
- SUTTON
- District
- 7
- Operator
- ENERVEST OPERATING L.L.C.
- Completed
- 2013-04-02
Operator
- Name
- ENERVEST OPER, L.L.C
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-01-13)
- Cum Oil (all leases)
- 39,678,049 bbl
- Cum Gas (all leases)
- 1,492,558,001 mcf
- Activities
- CSGD/G, G/PUR, GTHS/G, OPRS/G
- Total Permits
- 1,249