42-507-32505
Final CompletionBIG WELLS (SAN MIGUEL) UNIT
ZAVALA County · District 1 · TRINITY OPERATING (USG) LLC · BIG WELLS (SAN MIGUEL)
Permits
1
Max Depth
5,700 ft
First Permit
1994-11-03
Latest Activity
1994-11-03
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1995-12-20
Shut-In
—
Plugged
2021-06-22
EWA / Production operator mismatch
Scheduling: TRINITY OPERATING (USG) LLC ≠ Production: TEXAS AMERICAN RESOURCES COMPANY (reported 2010-12)
EWA / Permit operator mismatch
Scheduling: TRINITY OPERATING (USG) LLC ≠ Permit: ORYX ENERGY COMPANY
Resolved via: scheduling → TRINITY OPERATING (USG) LLC
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
1995-12
Last Production
2021-06
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 (1) Elevation 595 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN MIGUEL | 5,324 ft | -4,729 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 |
|---|---|
| 5,324–5,352 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 620 ft | 425 sx |
| 4.5" | 5,600 ft | 850 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- J101
- Max Depth
- 5,700 ft
- Drill Type
- Vertical
- County
- ZAVALA
- District
- 1
- Operator
- TRINITY OPERATING (USG) LLC
- Completed
- 1995-12-20
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-01-28)
- Cum Oil (all leases)
- 22,515,031 bbl
- Cum Gas (all leases)
- 284,930,581 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 391