42-505-31791
Final CompletionALFONSO
ZAPATA County · District 4 · TRANSAMERICAN NATURAL GAS CORP. · CHARCO (9900)
Permits
1
Max Depth
10,800 ft
First Permit
1984-04-11
Latest Activity
1984-04-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-10-08
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 (5) Elevation 380 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN CITY | 3,800 ft | -3,420 ft |
| LOWER WILCOX (Wilcox) | 6,530 ft | -6,150 ft |
| TOP OF WILCOX (Wilcox) | 6,530 ft | -6,150 ft |
| WILCOX | 6,530 ft | -6,150 ft |
| PERDIDO UNCONFORMITY | 9,400 ft | -9,020 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 (3)
| Interval | Type |
|---|---|
| 9,434–9,550 ft | Perforated |
| 10,004–10,051 ft | Perforated |
| 10,040–10,051 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 750 ft | 205 sx |
| 10.75" | 776 ft | 205 sx |
| 7.625" | 8,704 ft | 410 sx |
| 5" | 10,500 ft | 294 sx |
| 5" | — | — |
Permit History (1)
Applications (1)
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
- 6
- Max Depth
- 10,800 ft
- Drill Type
- Vertical
- County
- ZAPATA
- District
- 4
- Operator
- TRANSAMERICAN NATURAL GAS CORP.
- Completed
- 1984-10-08
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