42-105-35491
USHANNON J. M. ESTATE -C-
CROCKETT County · District 7 · SUNDOWN ENERGY LP · SHANNON (SAN ANDRES)
Permits
1
Max Depth
2,600 ft
First Permit
1988-01-14
Latest Activity
1988-01-14
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-04-20
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: SUNDOWN ENERGY LP ≠ Production: CLARK OIL CO. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: SUNDOWN ENERGY LP ≠ Permit: COX, ROBERT G. & ASSOCIATES,INC.
Resolved via: production → CLARK OIL CO.
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
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 (4) Elevation 2,632 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SOMA | 1,946 ft | +686 ft |
| QUEEN | 2,010 ft | +622 ft |
| B/ANHYDRITE | 2,134 ft | +498 ft |
| SAN ANDRES | 2,260 ft | +372 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 |
|---|---|
| 2,360–2,436 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 811 ft | 365 sx |
| 5.5" | 2,525 ft | 308 sx |
| 5.5" | 2,530 ft | 308 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record · 1 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.
No GPS coordinates yet
Well Details
- Well Number
- 5
- Max Depth
- 2,600 ft
- Drill Type
- Vertical
- County
- CROCKETT
- District
- 7
- Operator
- SUNDOWN ENERGY LP
- Completed
- 1990-04-20
Operator
- Name
- SUNDOWN ENGY LP
- Location
- DALLAS
- P-5 Status
- X (filed 2026-06-03)
- Cum Oil (all leases)
- 16,582,532 bbl
- Cum Gas (all leases)
- 24,624,728 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 300