Permits
2
Max Depth
5,000 ft
First Permit
1984-04-12
Latest Activity
2017-09-06
Lifespan
33 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
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
1993-01
Last Production
2026-07
Injection / Disposal
ANDREWS County disposal market →Permitted Volume
7,000 bbl/d
Max Pressure
2,050 psi
Injection Interval
4,100–4,800 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2026-03-01)
Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog
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 (16) Elevation 3,144 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RED BEDS | 1,630 ft | +1,514 ft |
| YATES | 2,878 ft | +266 ft |
| SEVEN RIVERS | 3,057 ft | +87 ft |
| QUEEN | 3,696 ft | -552 ft |
| QUEEN A (Queen) | 4,005 ft | -861 ft |
| QUEEN B (Queen) | 4,020 ft | -876 ft |
| GRAYBURG | 4,040 ft | -896 ft |
| GRAYBURG | 4,042 ft | -898 ft |
| LOWER GRAYBURG (Grayburg) | 4,240 ft | -1,096 ft |
| SAN ANDRES - CO2 FLOOD, HIGH FLO (San Andres) | 4,372 ft | -1,228 ft |
| SAN ANDRES | 4,374 ft | -1,230 ft |
| CLEARFORK (Clear Fork) | — | — |
| GLORIETA | — | — |
| HOLT | — | — |
| PERMIAN DETRITAL (Permian (undifferentiated)) | — | — |
| TUBB | — | — |
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 (4)
| Interval | Type |
|---|---|
| 4,412–4,518 ft | Perforated |
| 4,428–4,518 ft | Perforated |
| 4,428–4,613 ft | Perforated |
| 4,525–4,680 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,896 ft | 850 sx |
| 5.5" | 4,524 ft | 1,150 sx |
| 5.5" | 4,525 ft | 1,150 sx |
Permit History (2)
Applications (2)
Records & Logs
7 completion filings on record.
+1 more filings
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
- 6616W
- Max Depth
- 5,000 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- XTO ENERGY INC.
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