Permits
1
Max Depth
6,400 ft
First Permit
2010-04-15
Latest Activity
2010-04-15
Lifespan
< 1 yr
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
ECTOR County disposal market →Permitted Volume
2,000 bbl/d
Max Pressure
2,000 psi
Injection Interval
4,969–7,867 ft
Injected (12mo)
62,050 bbl
Monthly injected volume (bbl, from H-10 filings through 2026-02-01)
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 (12) Elevation 3,123 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 3,817 ft | -694 ft |
| SAN ANDRES | 4,008 ft | -885 ft |
| GLORIETA | 5,015 ft | -1,892 ft |
| CLEARFORK (Clear Fork) | 5,352 ft | -2,229 ft |
| TUBB | 5,867 ft | -2,744 ft |
| LOWER CLEARFORK (Clear Fork) | 5,989 ft | -2,866 ft |
| CLFK | — | — |
| GLRT | — | — |
| GRBG | — | — |
| LCFK | — | — |
| SADR | — | — |
| 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 ↗
Perforations (3)
| Interval | Type |
|---|---|
| 5,396–5,670 ft | Perforated |
| 5,396–6,299 ft | Perforated |
| 6,020–6,299 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,414 ft | 700 sx |
| 7" | 5,378 ft | 650 sx |
Permit History (1)
Applications (1)
Records & Logs
6 completion filings on record.
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.
No GPS coordinates yet
Well Details
- Well Number
- 503W
- Max Depth
- 6,400 ft
- Drill Type
- Vertical
- County
- ECTOR
- 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