42-003-33847
PRODUCINGFULLERTON CLEARFORK UNIT
ANDREWS County · District 8 · HILCORP ENERGY COMPANY · FULLERTON
Permits
1
Max Depth
7,400 ft
First Permit
1983-11-16
Latest Activity
1983-11-16
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1984-02-29
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: EXXON CORP.
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
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 (10) Elevation 3,298 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TUBB | 6,580 ft | -3,282 ft |
| LOWER CLEARFORK (Clear Fork) | 6,672 ft | -3,374 ft |
| UPPER STAINING | 6,732 ft | -3,434 ft |
| ZONE 1 | 6,866 ft | -3,568 ft |
| ZONE 2 | 6,967 ft | -3,669 ft |
| WICHITA (Wichita-Albany) | 7,054 ft | -3,756 ft |
| ZONE 3 | 7,120 ft | -3,822 ft |
| ZONE 4 | 7,210 ft | -3,912 ft |
| ZONE 5 | 7,289 ft | -3,991 ft |
| UPPER CLEARFORK (Clear Fork) | 9,041 ft | -5,743 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 |
|---|---|
| 6,878–7,026 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,682 ft | 800 sx |
| 5.5" | 7,414 ft | 1,300 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4423
- Max Depth
- 7,400 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1984-02-29
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
- 3,431