42-329-31450
Final CompletionSHACKELFORD WILLIAM
MIDLAND County · District 8 · PARKER & PARSLEY DEVELOPMENT CO. · SPRABERRY(TREND AREA DEAN-WLFCP)
Permits
1
Max Depth
9,300 ft
First Permit
1984-12-04
Latest Activity
1984-12-04
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-10-03
Shut-In
—
Plugged
2023-08-02
EWA / Production operator mismatch
Scheduling: PARKER & PARSLEY DEVELOPMENT CO. ≠ Production: PIONEER NATURAL RES. USA, INC. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: PARKER & PARSLEY DEVELOPMENT CO. ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.
Resolved via: production → PIONEER NATURAL RES. USA, INC.
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
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 2,728 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,151 ft | -4,423 ft |
| TOP UPPER SPRABERRY (Spraberry) | 7,151 ft | -4,423 ft |
| TOP LOWER SPRABERRY (Spraberry) | 7,890 ft | -5,162 ft |
| DEAN | 8,534 ft | -5,806 ft |
| TOP DEAN (Dean) | 8,534 ft | -5,806 ft |
| WOLFCAMP | 8,722 ft | -5,994 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 |
|---|---|
| 7,198–7,365 ft | Perforated |
| 7,891–8,070 ft | Perforated |
| 8,551–8,758 ft | Perforated |
| 8,805–9,026 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 425 ft | 450 sx |
| 13.375" | 425 ft | — |
| 8.625" | 5,500 ft | 2,500 sx |
| 8.625" | 5,500 ft | — |
| 5.5" | 9,150 ft | 1,200 sx |
| 5.5" | 9,150 ft | — |
Permit History (1)
Applications (1)
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
- 8
- Max Depth
- 9,300 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- PARKER & PARSLEY DEVELOPMENT CO.
- Completed
- 1985-10-03
Operator
- Location
- MIDLAND
- P-5 Status
- Inactive (filed 1994-12-16)
- Cum Oil (all leases)
- 24,612,423 bbl
- Cum Gas (all leases)
- 36,136,116 mcf
- Total Permits
- 961