42-219-35063
Final CompletionMALLET UNIT
HOCKLEY County · District 8 · HILCORP ENERGY COMPANY · SLAUGHTER
Permits
1
Max Depth
5,200 ft
First Permit
1987-05-08
Latest Activity
1987-05-08
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2005-09-15
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
2,500 bbl/d
Max Pressure
2,200 psi
Injection Interval
4,400–5,087 ft
Injected (12mo)
43,648 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-12-01)
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 (3) Elevation 3,599 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,190 ft | -591 ft |
| 1ST SLAUGHTER | 4,947 ft | -1,348 ft |
| 2ND SLAUGHTER | 5,009 ft | -1,410 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 (6)
| Interval | Type |
|---|---|
| 4,878–4,944 ft | Perforated |
| 4,947–4,996 ft | Perforated |
| 4,948–5,028 ft | Perforated |
| 4,948–5,040 ft | Perforated |
| 5,014–5,028 ft | Perforated |
| 5,014–5,040 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 477 ft | 350 sx |
| 8.625" | 477 ft | — |
| 5.5" | 5,087 ft | 1,250 sx |
| 5.5" | 5,087 ft | — |
Permit History (1)
Applications (1)
Records & Logs
8 completion filings on record · 1 with log images at RRC.
+2 more filings
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
- 1143
- Max Depth
- 5,200 ft
- Drill Type
- Vertical
- County
- HOCKLEY
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2005-09-15
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