42-427-31571
Final CompletionPENA NICEFORO JR
STARR County · District 4 · COX EDWIN L. & COX BERRY R. · SUN EAST (6300)
Permits
5
Max Depth
8,500 ft
First Permit
1981-08-21
Latest Activity
1991-08-07
Lifespan
10 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-07-11
Shut-In
—
Plugged
2008-03-07
EWA / Production operator mismatch
Scheduling: COX EDWIN L. & COX BERRY R. ≠ Production: COSTILLA PETROLEUM CORPORATION (reported 1996-12)
EWA / Permit operator mismatch
Scheduling: COX EDWIN L. & COX BERRY R. ≠ Permit: GRAHAM ROYALTY, LTD.
Resolved via: scheduling → COX EDWIN L. & COX BERRY R.
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
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 (7) Elevation 17 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO A (Frio) | 3,875 ft | -3,858 ft |
| FRIO DX (Frio) | 4,555 ft | -4,538 ft |
| TOP VICKBURG | 5,395 ft | -5,378 ft |
| TOP VICKSBURG (Vicksburg) | 5,395 ft | -5,378 ft |
| VICKSBURG | 5,395 ft | -5,378 ft |
| RINCON "B" | 7,418 ft | -7,401 ft |
| RINCON B | 7,418 ft | -7,401 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 |
|---|---|
| 4,960–4,964 ft | Perforated |
| 5,112–5,116 ft | Perforated |
| 5,272–5,277 ft | Perforated |
| 6,291–6,298 ft | Perforated |
| 7,420–7,628 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 116 ft | — |
| 8.625" | 2,028 ft | 850 sx |
| 8.625" | 2,029 ft | 850 sx |
| 2.375" | 7,355 ft | — |
| 4.5" | 7,920 ft | 900 sx |
Permit History (5)
PENA, NICEFORO JR. NO. 1 · 8,500 ft
1991-08-07
Spud 1991-06-26
PENA, NICEFORO JR. NO. 1 · 7,920 ft
1990-04-20
PENA, NICEFORO JR. · 8,500 ft
1984-09-25
PENA, NICEFORO JR. · 8,500 ft
1984-07-19
PENA, NICEFORO JR. · 8,500 ft
1981-08-21
Spud 1981-08-16
Applications (5)
Records & Logs
9 completion filings on record · 3 with log images at RRC.
+3 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
- 1
- Max Depth
- 8,500 ft
- Drill Type
- Vertical
- County
- STARR
- District
- 4
- Operator
- COX EDWIN L. & COX BERRY R.
- Completed
- 1984-07-11
Operator
- Location
- CORPUS CHRS, TI
- P-5 Status
- Inactive (filed 1986-01-28)
- Total Permits
- 139