42-003-47452
PRODUCINGFULLERTON CLEARFORK UNIT
ANDREWS County · District 8 · HILCORP ENERGY COMPANY · FULLERTON
Permits
1
Max Depth
7,600 ft
First Permit
2017-01-03
Latest Activity
2017-01-03
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2017-08-18
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: XTO ENERGY INC.
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 3,330 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,848 ft | +482 ft |
| SEVEN RIVERS | 3,095 ft | +235 ft |
| QUEEN | 3,676 ft | -346 ft |
| GRAYBURG | 4,014 ft | -684 ft |
| SAN ANDRES - CO2 FLOOD, HIGH FLO (San Andres) | 4,321 ft | -991 ft |
| GLORIETA | 5,501 ft | -2,171 ft |
| TUBB | 6,462 ft | -3,132 ft |
| CLEARFORK (Clear Fork) | 6,599 ft | -3,269 ft |
| HOLT | — | — |
| PERMIAN DETRITAL (Permian (undifferentiated)) | — | — |
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 (3)
| Interval | Type |
|---|---|
| 6,653–6,755 ft | Perforated |
| 6,798–7,000 ft | Perforated |
| 7,033–7,198 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,806 ft | 580 sx |
| 5.5" | 7,300 ft | 1,760 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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
- 631R
- Max Depth
- 7,600 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2017-08-18
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