42-329-00244
Final CompletionCOX UNIT 54 #1
MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,453 ft
First Permit
1991-04-23
Latest Activity
1991-04-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-08-02
Shut-In
—
Plugged
2026-05-26
EWA / Permit operator mismatch
Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: BAXTER, MURPHY H.
Resolved via: scheduling → 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 (3) Elevation 2,707 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SPRABERRY (Spraberry) | 7,358 ft | -4,651 ft |
| LOWER SPRABERRY (Spraberry) | 8,146 ft | -5,439 ft |
| DEAN | 8,674 ft | -5,967 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 |
|---|---|
| 8,053–8,325 ft | Perforated |
| 8,697–8,934 ft | Perforated |
| 11,366–11,398 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,605 ft | — |
| 10.75" | 1,621 ft | 850 sx |
| 7.625" | 9,231 ft | — |
| 2.375" | 11,384 ft | — |
| 7.625" | 11,447 ft | 300 sx |
| 5.5" | 11,447 ft | — |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 1054
- Max Depth
- 11,453 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 1991-08-02
Operator
- Location
- Y SPRING
- P-5 Status
- Active (filed 2025-08-01)
- Cum Oil (all leases)
- 1,771,882,421 bbl
- Cum Gas (all leases)
- 1,763,727,021 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 15,429