42-505-32386
PRODUCINGDE LOS SANTOS GAS UNIT 1
ZAPATA County · District 4 · HILCORP ENERGY COMPANY · HAYNES (MIDDLE WILCOX CONS.)
Permits
2
Max Depth
12,000 ft
First Permit
1986-10-23
Latest Activity
1986-10-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1987-12-17
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: HOUSTON EXPLORATION COMPANY, THE
Resolved via: scheduling → 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 (3) Elevation 466 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN CITY | 3,900 ft | -3,434 ft |
| WILCOX (CARRIZO) (Wilcox) | 6,910 ft | -6,444 ft |
| LOWER WILCOX (Wilcox) | 9,110 ft | -8,644 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 |
|---|---|
| 10,685–10,731 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 752 ft | 530 sx |
| 7.625" | 9,100 ft | 365 sx |
| 5" | 11,903 ft | 280 sx |
Permit History (2)
Applications (2)
Records & Logs
3 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
- 1
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- ZAPATA
- District
- 4
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1987-12-17
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