42-505-32146
PRODUCINGLA PERLA
ZAPATA County · District 4 · HILCORP ENERGY COMPANY · LA PERLA (LOBO CONS.)
Permits
1
Max Depth
10,500 ft
First Permit
1985-12-02
Latest Activity
1985-12-02
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1986-04-07
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: TRANSAMERICAN NATURAL GAS 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 432 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN CITY | 1,930 ft | -1,498 ft |
| WILCOX | 4,350 ft | -3,918 ft |
| LOWER WILCOX (Wilcox) | 6,450 ft | -6,018 ft |
| LOBO UNC. | 8,400 ft | -7,968 ft |
| WILLS POINT | 9,800 ft | -9,368 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 |
|---|---|
| 8,592–8,654 ft | Perforated |
| 9,334–9,694 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 750 ft | 530 sx |
| 7.625" | 7,080 ft | 695 sx |
| 5" | 10,243 ft | 560 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
- 66
- Max Depth
- 10,500 ft
- Drill Type
- Vertical
- County
- ZAPATA
- District
- 4
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1986-04-07
Operator
- Name
- HILCORP ENGY CO
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-03-27)
- Cum Oil (all leases)
- 75,699,281 bbl
- Cum Gas (all leases)
- 1,779,939,645 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 3,430