42-079-31942
Final CompletionNORTH CENTRAL LEVELLAND UNIT
COCHRAN County · District 8 · HILCORP ENERGY COMPANY · LEVELLAND
Permits
1
Max Depth
4,900 ft
First Permit
1984-04-09
Latest Activity
1984-04-09
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-06-14
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: MOBIL PRODUCING TX. & N.M. 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
Injection / Disposal
Permitted Volume
1,000 bbl/d
Max Pressure
2,280 psi
Injection Interval
4,560–5,000 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2026-02-01)
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 (5) Elevation 3,710 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| 1ST SLAUGHTER | 4,703 ft | -993 ft |
| 2ND SLAUGHTER | 4,753 ft | -1,043 ft |
| 3RD SLAUGHTER | 4,838 ft | -1,128 ft |
| 4TH SLAUGHTER | 4,884 ft | -1,174 ft |
| SAN ANDRES | — | — |
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 |
|---|---|
| 4,834–4,874 ft | Perforated |
| 4,838–4,874 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 437 ft | 350 sx |
| 5.5" | 4,900 ft | 1,100 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 421
- Max Depth
- 4,900 ft
- Drill Type
- Vertical
- County
- COCHRAN
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1984-06-14
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
- 3,435