42-321-31595
Final CompletionHILTPOLD
MATAGORDA County · District 3 · UNDERGROUND SERVICES MARKHAM LLC · MARKHAM
Permits
1
Max Depth
6,600 ft
First Permit
1989-08-09
Latest Activity
1989-08-09
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2008-05-08
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: UNDERGROUND SERVICES MARKHAM LLC ≠ Permit: TEXAS BRINE CORPORATION
Resolved via: scheduling → UNDERGROUND SERVICES MARKHAM LLC
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
250,000 mcf/d
Max Pressure
—
Injection Interval
3,275–5,376 ft
Injected (12mo)
—
Operator History
originally filed by TEXAS BRINE CORPORATION — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (12) Elevation 30 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CAPROCK | 2,170 ft | -2,140 ft |
| CAPROCK - DISPOSAL (Caprock) | 2,170 ft | -2,140 ft |
| SALT | 2,373 ft | -2,343 ft |
| ANAHUAC | — | — |
| FRIO - DISPOSAL (Frio) | — | — |
| FRIO, LOWER (Frio) | — | — |
| GRANT - DISPOSAL | — | — |
| GRETTA - DISPOSAL | — | — |
| MIOCENE - DISPOSAL (Miocene (undifferentiated)) | — | — |
| NODOSARIA | — | — |
| TEX MISS | — | — |
| WILLIS - DISPOSAL | — | — |
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 |
|---|---|
| 3,121–5,560 ft | Open hole |
| 3,212–6,593 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 36" | 247 ft | 1,025 sx |
| 30" | 827 ft | 1,825 sx |
| 24" | 2,174 ft | 4,544 sx |
| 20" | 2,677 ft | 1,915 sx |
| 13.375" | 3,212 ft | 3,245 sx |
Permit History (1)
Applications (1)
Records & Logs
5 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
- 3
- Max Depth
- 6,600 ft
- Drill Type
- Vertical
- County
- MATAGORDA
- District
- 3
- Operator
- UNDERGROUND SERVICES MARKHAM LLC
- Completed
- 2008-05-08
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-03-04)
- Cum Oil (all leases)
- — bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 8