42-173-33625
PRODUCINGBLALOCK C
GLASSCOCK County · District 8 · XTO ENERGY INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,000 ft
First Permit
2010-03-09
Latest Activity
2010-03-09
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2012-07-27
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: XTO ENERGY INC. ≠ Permit: PIEDRA OPERATING, LLC
Resolved via: production → XTO ENERGY 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
2010-10
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 (7) Elevation 2,568 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBERG | 3,614 ft | -1,046 ft |
| SAN ANDRES | 3,723 ft | -1,155 ft |
| CLEARFORK (Clear Fork) | 4,626 ft | -2,058 ft |
| SPRABERRY | 6,635 ft | -4,067 ft |
| DEAN | 7,984 ft | -5,416 ft |
| WOLFCAMP | 8,161 ft | -5,593 ft |
| PENN SHALE (Pennsylvanian) | 9,305 ft | -6,737 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 (2)
| Interval | Type |
|---|---|
| 6,844–9,336 ft | Perforated |
| 8,190–9,336 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 358 ft | 350 sx |
| 8.625" | 5,117 ft | 1,300 sx |
| 5.5" | 9,445 ft | 1,100 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 1210
- Max Depth
- 11,000 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- XTO ENERGY INC.
- Completed
- 2012-07-27
Operator
- Name
- XTO ENGY INC
- Location
- SPRING
- P-5 Status
- X (filed 2026-04-08)
- Cum Oil (all leases)
- 772,419,164 bbl
- Cum Gas (all leases)
- 11,039,899,986 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 16,138