42-003-33829
Final CompletionFULLERTON 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
OFF SCHEDULE
Completion
1991-04-02
Shut-In
—
Plugged
2010-06-01
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 (6) Elevation 3,296 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 5,649 ft | -2,353 ft |
| UPPER CLEAR FORK (Clear Fork) | 6,098 ft | -2,802 ft |
| TUBB | 6,683 ft | -3,387 ft |
| LOWER CLEAR FORK (Clear Fork) | 6,732 ft | -3,436 ft |
| UPPER STAINING | 6,808 ft | -3,512 ft |
| WICHITA (Wichita-Albany) | 7,156 ft | -3,860 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 |
|---|---|
| 6,804–7,208 ft | Open hole |
| 7,040–7,138 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,700 ft | 800 sx |
| 5.5" | 7,260 ft | 1,522 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 4931
- Max Depth
- 7,400 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1991-04-02
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