42-317-42456
SHUT IN HorizontalDARK STAR UNIT 1
MARTIN County · District 8 · XTO ENERGY INC. · SPRABERRY (TREND AREA)
Permits
1
Max Depth
10,000 ft
First Permit
2019-08-22
Latest Activity
2019-08-22
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2021-04-30
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
2020-01
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 (18) Elevation 2,615 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 911 ft | +1,704 ft |
| SANTA ROSA | 961 ft | +1,654 ft |
| YATES | 2,138 ft | +477 ft |
| YATES | 2,161 ft | +454 ft |
| QUEEN | 3,238 ft | -623 ft |
| QUEEN | 3,279 ft | -664 ft |
| GRAYBURG | 3,497 ft | -882 ft |
| GRAYBURG | 3,526 ft | -911 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 3,559 ft | -944 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 3,585 ft | -970 ft |
| SPRABERRY | 5,531 ft | -2,916 ft |
| SPRABERRY | 6,676 ft | -4,061 ft |
| DEAN | 8,238 ft | -5,623 ft |
| WOLFCAMP | 8,421 ft | -5,806 ft |
| CISCO | — | — |
| DEAN | — | — |
| PENNSYLVANIAN | — | — |
| 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 |
|---|---|
| 8,061–18,461 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 1,166 ft | 620 sx |
| 8.625" | 5,619 ft | 975 sx |
| 5.5" | 18,573 ft | 2,055 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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 2131SH
- Max Depth
- 10,000 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- XTO ENERGY INC.
- Completed
- 2021-04-30
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