42-481-35118
Final CompletionO.B. RANCH
WHARTON County · District 3 · HILCORP ENERGY COMPANY · RED BULL (COOK MOUNTAIN)
Permits
3
Max Depth
15,500 ft
First Permit
2010-02-05
Latest Activity
2011-11-30
Lifespan
2 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2010-11-12
Shut-In
—
Plugged
2025-07-16
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: CAZA OPERATING, LLC
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
2010-11
Last Production
2026-04
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 97 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER COOK MOUNTAIN (Cook Mountain) | 12,490 ft | -12,393 ft |
| UPPER COOK MOUNTAIN (Cook Mountain) | 12,494 ft | -12,397 ft |
| LOWER COOK MOUNTAIN (Cook Mountain) | 12,658 ft | -12,561 ft |
| WILCOX | 12,900 ft | -12,803 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 |
|---|---|
| 12,494–12,826 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 2,500 ft | 1,905 sx |
| 9.625" | 7,587 ft | 1,055 sx |
Permit History (3)
Applications (3)
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
- 15,500 ft
- Drill Type
- Vertical
- County
- WHARTON
- District
- 3
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2010-11-12
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
- 3,435