42-501-34609
Final CompletionMAHONEY H. O.
YOAKUM County · District 8 · HILCORP ENERGY COMPANY · WASSON
Permits
2
Max Depth
6,000 ft
First Permit
2001-08-01
Latest Activity
2001-08-01
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2001-11-06
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
3,000 bbl/d
Max Pressure
2,150 psi
Injection Interval
4,500–6,000 ft
Injected (12mo)
106,595 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-09-01)
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 3,553 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES F1 (San Andres) | 4,918 ft | -1,365 ft |
| SAN ANDRES M1 (San Andres) | 5,040 ft | -1,487 ft |
| SAN ANDRES M5 (San Andres) | 5,304 ft | -1,751 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 (7)
| Interval | Type |
|---|---|
| 4,956–4,960 ft | Perforated |
| 4,956–5,184 ft | Perforated |
| 4,966–4,674 ft | Perforated |
| 4,998–5,056 ft | Perforated |
| 5,060–5,068 ft | Perforated |
| 5,088–5,140 ft | Perforated |
| 5,154–5,184 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,166 ft | 1,014 sx |
| 5.5" | 5,592 ft | 2,585 sx |
Permit History (2)
Applications (2)
Records & Logs
6 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
- 91
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2001-11-06
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