42-505-31483
Final CompletionTREVINO
ZAPATA County · District 4 · TRANSAMERICAN NATURAL GAS CORP. · FRANCISCO (LOBO 9500)
Permits
1
Max Depth
10,500 ft
First Permit
1982-01-07
Latest Activity
1982-01-07
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1982-05-12
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: TRANSAMERICAN NATURAL GAS CORP. ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: TRANSAMERICAN NATURAL GAS CORP. ≠ Permit: GHR ENERGY CORP.
Resolved via: production → HILCORP ENERGY COMPANY
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 (6) Elevation 474 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPARTA | 1,234 ft | -760 ft |
| WENCHES | 1,472 ft | -998 ft |
| QUEEN CITY | 1,547 ft | -1,073 ft |
| BIG FORD | 2,419 ft | -1,945 ft |
| CARIZZO | 4,063 ft | -3,589 ft |
| LOBO | 7,771 ft | -7,297 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 (2)
| Interval | Type |
|---|---|
| 7,926–8,147 ft | Perforated |
| 9,571–9,583 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 665 ft | 650 sx |
| 7.625" | 6,750 ft | 700 sx |
| 2.375" | 10,389 ft | — |
| 5" | 10,450 ft | 525 sx |
| 5" | — | — |
Permit History (1)
Applications (2)
Records & Logs
4 completion filings on record.
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
- 2
- Max Depth
- 10,500 ft
- Drill Type
- Vertical
- County
- ZAPATA
- District
- 4
- Operator
- TRANSAMERICAN NATURAL GAS CORP.
- Completed
- 1982-05-12
Operator
- Location
- HOUSTON
- P-5 Status
- Delinquent (filed 1999-09-14)
- Cum Oil (all leases)
- — bbl
- Cum Gas (all leases)
- 164,941,471 mcf
- Activities
- G/PUR
- Total Permits
- 772