42-165-33615
Final CompletionSEMINOLE EAST (SAN ANDRES) UNIT
GAINES County · District 8 · BLOCK T PETROLEUM INC. · SEMINOLE EAST (SAN ANDRES)
Permits
1
Max Depth
6,000 ft
First Permit
1987-04-15
Latest Activity
1987-04-15
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-07-17
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: BLOCK T PETROLEUM INC. ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.
Resolved via: production → BLOCK "T" PETROLEUM, INC.
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
Permitted Volume
3,000 bbl/d
Max Pressure
2,500 psi
Injection Interval
5,446–5,670 ft
Injected (12mo)
66,652 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-10-01)
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 (3) Elevation 3,284 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,260 ft | +1,024 ft |
| YATES | 3,360 ft | -76 ft |
| SAN ANDRES | 5,015 ft | -1,731 ft |
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 (1)
| Interval | Type |
|---|---|
| 5,446–5,558 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 415 ft | 400 sx |
| 8.625" | 2,295 ft | 1,000 sx |
| 5.5" | 5,724 ft | 1,050 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 503A
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- BLOCK T PETROLEUM INC.
- Completed
- 1987-07-17
Operator
- Name
- BLOCK "T" PETRO, INC
- Location
- TYLER
- P-5 Status
- Active (filed 2026-01-13)
- Cum Oil (all leases)
- 462,020 bbl
- Cum Gas (all leases)
- 16,733,062 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 13