42-173-38535
PRODUCING HorizontalBLALOCK 1311
GLASSCOCK County · District 8 · XTO ENERGY INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,000 ft
First Permit
2021-08-05
Latest Activity
2021-08-05
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2022-08-22
Shut-In
—
Plugged
—
P-5 Org Status: X
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
2022-01
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 (20) Elevation 2,564 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 706 ft | +1,858 ft |
| RUSTLER | 1,345 ft | +1,219 ft |
| YATES | 2,085 ft | +479 ft |
| SEVEN RIVERS | 2,286 ft | +278 ft |
| QUEEN | 2,946 ft | -382 ft |
| QUEEN | 2,981 ft | -417 ft |
| GRAYBURG | 3,352 ft | -788 ft |
| GRAYBURG | 3,585 ft | -1,021 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,608 ft | -1,044 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,622 ft | -1,058 ft |
| GLORIETA | 4,445 ft | -1,881 ft |
| GLORIETA | 4,474 ft | -1,910 ft |
| CLEARFORK (Clear Fork) | 5,189 ft | -2,625 ft |
| CLEARFORK (Clear Fork) | 5,264 ft | -2,700 ft |
| SPRABERRY | 6,262 ft | -3,698 ft |
| SPRABERRY | 7,640 ft | -5,076 ft |
| DEAN | 8,046 ft | -5,482 ft |
| PENNSYLVANIAN | — | — |
| WICHITA ALBANY (Wichita-Albany) | — | — |
| WOLFCAMP | — | — |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 9,002–21,996 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 972 ft | 700 sx |
| 8.625" | 7,724 ft | 2,080 sx |
| 5.5" | 22,105 ft | 2,480 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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.
Well Details
- Well Number
- 1311AH
- Max Depth
- 10,000 ft
- Drill Type
- Horizontal
- County
- GLASSCOCK
- District
- 8
- Operator
- XTO ENERGY INC.
- Completed
- 2022-08-22
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