42-505-34755
PRODUCINGTHOMASMA RAY J.
ZAPATA County · District 4 · HILCORP ENERGY COMPANY · ZWEBB (10350)
Permits
1
Max Depth
13,250 ft
First Permit
2003-06-04
Latest Activity
2003-06-04
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2003-09-04
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: DEVON ENERGY PRODUCTION CO, L.P.
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
2003-09
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 703 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIRANDO | 1,578 ft | -875 ft |
| ROSENBERG | 2,080 ft | -1,377 ft |
| QUEEN CITY | 4,470 ft | -3,767 ft |
| BASE QUEEN CITY (Queen City) | 5,810 ft | -5,107 ft |
| WILCOX | 7,840 ft | -7,137 ft |
| LOBO UNCONFORMITY | 12,610 ft | -11,907 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 |
|---|---|
| 11,506–11,556 ft | Perforated |
| 12,429–12,459 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,210 ft | 1,000 sx |
| 9.625" | 7,780 ft | 600 sx |
| 3.5" | 12,980 ft | 600 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
- 8
- Max Depth
- 13,250 ft
- Drill Type
- Vertical
- County
- ZAPATA
- District
- 4
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2003-09-04
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
- 3,429