Permits
6
Max Depth
6,503 ft
First Permit
1981-07-20
Latest Activity
1998-02-10
Lifespan
17 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
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
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (6) Elevation 324 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| D-1 RES.2 | 4,824 ft | -4,500 ft |
| CLARK UPPER | 5,059 ft | -4,735 ft |
| CLARK, UPPER | 5,059 ft | -4,735 ft |
| F-4-K-4 | 5,264 ft | -4,940 ft |
| 5801 | 5,804 ft | -5,480 ft |
| 5810 | 5,804 ft | -5,480 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 (5)
| Interval | Type |
|---|---|
| 4,824–4,835 ft | Perforated |
| 5,059–5,067 ft | Perforated |
| 5,264–5,271 ft | Perforated |
| 5,804–5,821 ft | Perforated |
| ?–5,362 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,029 ft | 400 sx |
| 2.375" | 5,178 ft | — |
| 5.5" | 6,190 ft | 575 sx |
Permit History (6)
MONTALVO, I. V. -C- · 4,789 ft
1998-02-10
MONTALVO, I. V. -C- · 6,503 ft
1995-04-05
Spud 1995-04-12
MONTALVO, I.V. -C- · 6,503 ft
1994-02-02
Spud 1994-05-03
MONTALVO, I.V. -C- · 6,503 ft
1990-10-24
Spud 1992-10-12
MONTALVO, L. V. -C- · 6,503 ft
1990-10-24
MONTALVO, I.V. -C- · 6,503 ft
1981-07-20
Applications (6)
Records & Logs
8 completion filings on record · 3 with log images at RRC.
+2 more filings
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
- 28
- Max Depth
- 6,503 ft
- Drill Type
- Vertical
- County
- STARR
- District
- 4
- Operator
- ORYX ENERGY COMPANY
Operator
- Location
- DALLAS
- P-5 Status
- Inactive (filed 1998-03-27)
- Cum Oil (all leases)
- 48,027,931 bbl
- Cum Gas (all leases)
- 270,942,656 mcf
- Total Permits
- 1,627