42-115-00356
Final CompletionGILLESPIE B
DAWSON County · District 8 · BYRD OPERATING COMPANY · FELKEN (SPRABERRY)
Permits
1
Max Depth
7,560 ft
First Permit
2000-12-13
Latest Activity
2000-12-13
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
1983-03-04
EWA / Production operator mismatch
Scheduling: BYRD OPERATING COMPANY ≠ Production: PETX OPERATING LLC (reported 2026-04)
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
2000-02
Last Production
2026-07
Injection / Disposal
DAWSON County disposal market →Permitted Volume
—
Max Pressure
—
Injection Interval
—
Injected (12mo)
—
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (1) Elevation 2,794 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,266 ft | +1,528 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 |
|---|---|
| 1,274–1,412 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 131 ft | — |
| 8.625" | 1,915 ft | — |
| 2" | 7,424 ft | — |
| 5.5" | 7,560 ft | — |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 1WS
- Max Depth
- 7,560 ft
- Drill Type
- Vertical
- County
- DAWSON
- District
- 8
- Operator
- BYRD OPERATING COMPANY
Operator
- Name
- BYRD OPER CO
- Location
- MIDLAND
- P-5 Status
- Active (filed 2025-08-27)
- Cum Oil (all leases)
- 3,284,979 bbl
- Cum Gas (all leases)
- 13,497,915 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 68