42-173-37221
PRODUCING HorizontalZANT
GLASSCOCK County · District 8 · XTO ENERGY INC. · SPRABERRY (TREND AREA)
Permits
2
Max Depth
8,850 ft
First Permit
2015-07-29
Latest Activity
2015-07-29
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2016-03-23
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
2008-08
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 (18) Elevation 2,565 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 771 ft | +1,794 ft |
| SANTA ROSA | 775 ft | +1,790 ft |
| YATES | 2,118 ft | +447 ft |
| YATES | 2,131 ft | +434 ft |
| SEVEN RIVERS | 2,402 ft | +163 ft |
| SEVEN RIVERS | 2,403 ft | +162 ft |
| QUEEN | 2,990 ft | -425 ft |
| GRAYBURG | 3,663 ft | -1,098 ft |
| GRAYBURG | 3,665 ft | -1,100 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,711 ft | -1,146 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,712 ft | -1,147 ft |
| GLORIETA | 4,437 ft | -1,872 ft |
| GLORIETA | 4,439 ft | -1,874 ft |
| CLEARFORK (Clear Fork) | 5,614 ft | -3,049 ft |
| CLEARFORK (Clear Fork) | 5,616 ft | -3,051 ft |
| SPRABERRY | 6,769 ft | -4,204 ft |
| SPRABERRY | 6,776 ft | -4,211 ft |
| WICHITA ALBANY (Wichita-Albany) | — | — |
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 |
|---|---|
| 8,222–17,174 ft | Perforated |
| 9,094–17,797 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 530 ft | 540 sx |
| 13.375" | 538 ft | 540 sx |
| 9.625" | 7,353 ft | 650 sx |
| 9.625" | 7,958 ft | 1,655 sx |
| 5.5" | 17,362 ft | 1,880 sx |
| 5.5" | 17,940 ft | 2,055 sx |
Permit History (2)
Applications (2)
Records & Logs
3 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
- 4721SH
- Max Depth
- 8,850 ft
- Drill Type
- Horizontal
- County
- GLASSCOCK
- District
- 8
- Operator
- XTO ENERGY INC.
- Completed
- 2016-03-23
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