42-115-32854
Final CompletionEAST FELKEN UNIT
DAWSON County · District 8 · PETX OPERATING LLC · FELKEN (SPRABERRY)
Permits
1
Max Depth
7,600 ft
First Permit
1995-03-07
Latest Activity
1995-03-07
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1995-04-15
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: PETX OPERATING LLC ≠ Permit: BYRD OPERATING COMPANY
Resolved via: production → PETX 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
1995-04
Last Production
2026-07
Injection / Disposal
DAWSON County disposal market →Permitted Volume
750 bbl/d
Max Pressure
1,750 psi
Injection Interval
6,588–7,511 ft
Injected (12mo)
94,463 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-08-01)
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (6) Elevation 2,975 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 3,616 ft | -641 ft |
| UPPER SPRABERRY (Spraberry) | 6,588 ft | -3,613 ft |
| UPPER SRAYBERRY | 6,588 ft | -3,613 ft |
| LOWER SPRABERRY (Spraberry) | 7,316 ft | -4,341 ft |
| JO MILL | 7,398 ft | -4,423 ft |
| JO-MILL (Jo Mill) | 7,398 ft | -4,423 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 |
|---|---|
| 6,731–6,738 ft | Perforated |
| 6,731–7,511 ft | Perforated |
| 6,778–6,784 ft | Perforated |
| 7,501–7,511 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 305 ft | 380 sx |
| 8.625" | 3,700 ft | 400 sx |
| 5.5" | 7,600 ft | 810 sx |
Permit History (1)
Applications (1)
Records & Logs
6 completion filings on record · 3 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
- 1
- Max Depth
- 7,600 ft
- Drill Type
- Vertical
- County
- DAWSON
- District
- 8
- Operator
- PETX OPERATING LLC
- Completed
- 1995-04-15
Operator
- Name
- PETX OPER LLC
- Location
- MIDLAND
- P-5 Status
- Active (filed 2025-06-20)
- Cum Oil (all leases)
- 90,561 bbl
- Cum Gas (all leases)
- 47,754 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 5