42-501-34618
Final CompletionMAHONEY H. O.
YOAKUM County · District 8 · HILCORP ENERGY COMPANY · WASSON
Permits
2
Max Depth
6,000 ft
First Permit
2001-08-09
Latest Activity
2001-08-09
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2002-01-30
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)
—
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 (12) Elevation 3,546 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,342 ft | +1,204 ft |
| SALADO | 2,396 ft | +1,150 ft |
| YATES | 3,089 ft | +457 ft |
| SEVEN RIVERS | 3,219 ft | +327 ft |
| QUEEN | 4,004 ft | -458 ft |
| GRAYBURG | 4,549 ft | -1,003 ft |
| SAN ANDRES | 4,793 ft | -1,247 ft |
| F-1 | 4,920 ft | -1,374 ft |
| SAN ANDRES F1 (San Andres) | 4,920 ft | -1,374 ft |
| SAN ANDRES M1 (San Andres) | 5,082 ft | -1,536 ft |
| M-1 | 5,083 ft | -1,537 ft |
| SAN ANDRES M5 (San Andres) | 5,297 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 (4)
| Interval | Type |
|---|---|
| 4,952–4,962 ft | Perforated |
| 4,968–4,982 ft | Perforated |
| 4,998–5,068 ft | Perforated |
| 5,084–5,206 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,163 ft | 1,050 sx |
| 5.5" | 5,573 ft | 1,350 sx |
| 5.5" | 5,574 ft | 1,350 sx |
Permit History (2)
Applications (2)
Records & Logs
4 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
- 88
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2002-01-30
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