42-003-36775
PRODUCINGFULLERTON CLEARFORK UNIT
ANDREWS County · District 8 · HILCORP ENERGY COMPANY · FULLERTON
Permits
1
Max Depth
7,500 ft
First Permit
1990-06-25
Latest Activity
1990-06-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1995-06-01
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 (4) Elevation 3,340 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANGELO | 5,653 ft | -2,313 ft |
| U CLEARFORK | 5,978 ft | -2,638 ft |
| TUBB | 6,462 ft | -3,122 ft |
| L CLEARFORK | 6,548 ft | -3,208 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 |
|---|---|
| 5,666–7,362 ft | Perforated |
| 6,636–7,340 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,596 ft | 668 sx |
| 8.625" | 1,744 ft | 650 sx |
| 5.5" | 7,426 ft | 1,600 sx |
| 5.5" | 7,441 ft | 1,550 sx |
Permit History (1)
Applications (1)
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 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
- 5621
- Max Depth
- 7,500 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1995-06-01
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
- 3,430