42-079-31941
PRODUCINGNORTH CENTRAL LEVELLAND UNIT
COCHRAN County · District 8 · HILCORP ENERGY COMPANY · LEVELLAND
Permits
1
Max Depth
4,900 ft
First Permit
1984-04-11
Latest Activity
1984-04-11
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2010-08-02
Shut-In
—
Plugged
—
P-5 Org Status: X
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
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 (11) Elevation 3,708 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,161 ft | +1,547 ft |
| YATES | 2,710 ft | +998 ft |
| SEVEN RIVERS | 2,921 ft | +787 ft |
| GRAYBURG | 3,740 ft | -32 ft |
| SAN ANDRES | 3,908 ft | -200 ft |
| 1ST SLAUGHTER | 4,709 ft | -1,001 ft |
| 2ND SLAUGHTER | 4,764 ft | -1,056 ft |
| 2ND SLAUGHTER | 4,766 ft | -1,058 ft |
| 3RD SLAUGHTER | 4,842 ft | -1,134 ft |
| 3RD SLAUGHTER | 4,845 ft | -1,137 ft |
| 4TH SLAUGHTER | 4,888 ft | -1,180 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 |
|---|---|
| 4,846–4,870 ft | Perforated |
| 4,846–4,870 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 438 ft | 350 sx |
| 5.5" | 4,900 ft | 1,150 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 428
- Max Depth
- 4,900 ft
- Drill Type
- Vertical
- County
- COCHRAN
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2010-08-02
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
- 3,435