42-079-33096
Final CompletionMALLET UNIT
COCHRAN County · District 8 · HILCORP ENERGY COMPANY · SLAUGHTER
Permits
1
Max Depth
6,000 ft
First Permit
2005-08-16
Latest Activity
2005-08-16
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2006-04-10
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: APACHE CORPORATION
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
5,000 bbl/d
Max Pressure
2,350 psi
Injection Interval
4,700–5,150 ft
Injected (12mo)
39,619 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 (5) Elevation 3,647 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,293 ft | +1,354 ft |
| YATES | 2,901 ft | +746 ft |
| QUEEN | 3,655 ft | -8 ft |
| GRAYBURG | 3,976 ft | -329 ft |
| SAN ANDRES | 4,174 ft | -527 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 |
|---|---|
| 4,980–5,060 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,320 ft | 965 sx |
| 5.5" | 5,150 ft | 995 sx |
Permit History (1)
Applications (1)
Records & Logs
5 completion filings on record · 2 with log images at RRC.
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
- 129A
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- COCHRAN
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2006-04-10
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