Permits
4
Max Depth
11,000 ft
First Permit
1983-01-25
Latest Activity
2019-03-28
Lifespan
36 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2007-11-19
Shut-In
—
Plugged
2021-11-15
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
2021-11
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 166 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| COCKFIELD | 6,238 ft | -6,072 ft |
| COOK MOUNTAIN | 7,538 ft | -7,372 ft |
| WILCOX | 10,048 ft | -9,882 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (4)
| Interval | Type |
|---|---|
| 7,228–7,250 ft | Perforated |
| 10,110–10,153 ft | Perforated |
| 10,288–10,308 ft | Perforated |
| 10,308–10,328 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 2,523 ft | 1,615 sx |
| 7.625" | 8,000 ft | 750 sx |
| 2.875" | 9,849 ft | — |
| 5" | 10,205 ft | 365 sx |
Permit History (4)
KGFCU (V) · 10,518 ft
2019-03-28
KGFCU (IV) · 10,518 ft
2019-03-28
Spud 2019-03-28
KATY GFU · 11,000 ft
2007-08-30
Spud 2007-09-11
KATY GAS FIELD UNIT 1 · 10,205 ft
1983-01-25
Applications (4)
Records & Logs
4 completion filings on record · 2 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.
Well Details
- Well Number
- 8508
- Max Depth
- 11,000 ft
- Drill Type
- Vertical
- County
- WALLER
- District
- 3
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2007-11-19
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
- 3,436