42-409-32238
Final CompletionHARTZENDORF ERIC
SAN PATRICIO County · District 4 · RESERVE OPERATING CORP. · MATHIS EAST (BIG GEEP)
Permits
1
Max Depth
5,900 ft
First Permit
1988-04-21
Latest Activity
1988-04-21
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-05-16
Shut-In
—
Plugged
1994-07-08
EWA / Permit operator mismatch
Scheduling: RESERVE OPERATING CORP. ≠ Permit: SOUTHERN ROYALTY INC.
Resolved via: scheduling → RESERVE OPERATING CORP.
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
1995-07
Operator History
originally filed by SOUTHERN ROYALTY INC. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 125 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRETA | 3,400 ft | -3,275 ft |
| SINTON | 4,465 ft | -4,340 ft |
| VICKSBURG | 5,715 ft | -5,590 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 |
|---|---|
| 5,498–5,508 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 307 ft | 185 sx |
| 2.875" | 5,674 ft | 1,115 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 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
- 5
- Max Depth
- 5,900 ft
- Drill Type
- Vertical
- County
- SAN PATRICIO
- District
- 4
- Operator
- RESERVE OPERATING CORP.
- Completed
- 1988-05-16
Operator
- Name
- RESERVE OPER CORP
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-07-02)
- Cum Oil (all leases)
- 1,282,693 bbl
- Cum Gas (all leases)
- 1,844,078 mcf
- Activities
- CSGD/P, G/PUR, OPRS/O
- Total Permits
- 24