42-003-33551
SHUT INFULLERTON CLEARFORK UNIT
ANDREWS County · District 8 · HILCORP ENERGY COMPANY · FULLERTON
Permits
1
Max Depth
7,400 ft
First Permit
1983-06-23
Latest Activity
1983-06-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2020-11-18
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
Injection / Disposal
ANDREWS County disposal market →Permitted Volume
1,500 bbl/d
Max Pressure
1,600 psi
Injection Interval
6,750–7,400 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2026-03-01)
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 (21) Elevation 3,344 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,700 ft | +1,644 ft |
| MASSIVE ANHYDRITE (Massive Anhydrite (marker)) | 1,722 ft | +1,622 ft |
| TANSILL | 2,802 ft | +542 ft |
| YATES | 2,878 ft | +466 ft |
| SEVEN RIVERS | 3,059 ft | +285 ft |
| QUEEN | 3,389 ft | -45 ft |
| GRAYSBURG | 3,938 ft | -594 ft |
| SAN ANDRES | 4,353 ft | -1,009 ft |
| SAN ANGELO | 5,534 ft | -2,190 ft |
| UP. CLEARFORK | 6,060 ft | -2,716 ft |
| TUBB | 6,498 ft | -3,154 ft |
| TUBB | 6,499 ft | -3,155 ft |
| LO. CLEARFORK | 6,549 ft | -3,205 ft |
| UP. STAINING | 6,633 ft | -3,289 ft |
| LOWER CLEARFORK (Clear Fork) | 6,634 ft | -3,290 ft |
| ZONE 1 | 6,824 ft | -3,480 ft |
| ZONE 2 | 6,950 ft | -3,606 ft |
| WICHITA (Wichita-Albany) | 7,070 ft | -3,726 ft |
| WICHITA ALBANY (Wichita-Albany) | 7,070 ft | -3,726 ft |
| ZONE 3 | 7,151 ft | -3,807 ft |
| ZONE 3B | 7,194 ft | -3,850 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 |
|---|---|
| 6,828–7,260 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,705 ft | 800 sx |
| 5.5" | 7,423 ft | 1,550 sx |
Permit History (1)
Applications (1)
Records & Logs
5 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
- 878 W
- Max Depth
- 7,400 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2020-11-18
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
- 3,428