42-173-33260
Final CompletionCHEATHAM 31
GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA INC. · HEI (WOLFCAMP)
Permits
3
Max Depth
10,000 ft
First Permit
2006-10-25
Latest Activity
2008-04-22
Lifespan
1 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2007-07-25
Shut-In
—
Plugged
—
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
2007-05
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,553 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP UPPER SPRABERRY (Spraberry) | 6,445 ft | -3,892 ft |
| TOP LOWER SPRABERRY (Spraberry) | 6,946 ft | -4,393 ft |
| TOP DEAN (Dean) | 7,746 ft | -5,193 ft |
| BASE DEAN (Dean) | 7,968 ft | -5,415 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 (8)
| Interval | Type |
|---|---|
| 6,468–6,532 ft | Perforated |
| 6,978–7,063 ft | Perforated |
| 7,198–7,338 ft | Perforated |
| 7,867–7,960 ft | Perforated |
| 8,277–8,348 ft | Perforated |
| 8,469–8,685 ft | Perforated |
| 9,090–9,181 ft | Perforated |
| 9,555–9,731 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 467 ft | 300 sx |
| 4.5" | 9,809 ft | 1,000 sx |
Permit History (3)
Applications (3)
Records & Logs
4 completion filings on record · 2 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
- 1
- Max Depth
- 10,000 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2007-07-25
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
- 15,401