42-505-34811
PRODUCINGJENNINGS
ZAPATA County · District 4 · HILCORP ENERGY COMPANY · JENNINGS RANCH (LOBO CONS.)
Permits
1
Max Depth
14,000 ft
First Permit
2003-08-20
Latest Activity
2003-08-20
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2004-03-06
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
2004-03
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 453 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIDDLE WILCOX (Wilcox) | 9,300 ft | -8,847 ft |
| LOBO UNCONFORMITY | 12,200 ft | -11,747 ft |
| TOP WILLS POINT (Wills Point) | 12,870 ft | -12,417 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 (5)
| Interval | Type |
|---|---|
| 10,874–10,892 ft | Perforated |
| 11,120–11,132 ft | Perforated |
| 12,042–12,054 ft | Perforated |
| 12,664–12,674 ft | Perforated |
| 12,780–12,810 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 810 ft | 400 sx |
| 7" | 9,060 ft | 375 sx |
| 2.875" | 12,959 ft | 650 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
- 85
- Max Depth
- 14,000 ft
- Drill Type
- Vertical
- County
- ZAPATA
- District
- 4
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2004-03-06
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