42-355-32812
Final CompletionELLIFF J. S. ETAL
NUECES County · District 4 · UNION PACIFIC RESOURCES COMPANY · STRATTON (F-39)
Permits
4
Max Depth
8,400 ft
First Permit
1990-04-24
Latest Activity
1991-09-24
Lifespan
1 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-09-01
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: UNION PACIFIC RESOURCES COMPANY ≠ Production: URBAN OIL & GAS GROUP, LLC (reported 2026-04)
Resolved via: production → URBAN OIL & GAS GROUP, 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
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 (6) Elevation 106 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER | 3,813 ft | -3,707 ft |
| UPPER HET | 3,813 ft | -3,707 ft |
| E-41 | 6,211 ft | -6,105 ft |
| F-41 | 6,211 ft | -6,105 ft |
| G -9 | 6,910 ft | -6,804 ft |
| G-9 | 6,910 ft | -6,804 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 (9)
| Interval | Type |
|---|---|
| 5,546–5,550 ft | Perforated |
| 5,556–5,564 ft | Perforated |
| 5,576–5,586 ft | Perforated |
| 5,600–5,610 ft | Perforated |
| 5,656–5,676 ft | Perforated |
| 6,360–6,380 ft | Perforated |
| 6,380–6,392 ft | Perforated |
| 6,702–6,720 ft | Perforated |
| 6,910–6,928 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,245 ft | 502 sx |
| 10.75" | 1,245 ft | 502 sx |
| 2.875" | 7,984 ft | — |
| — | 7,984 ft | — |
| 2.875" | 7,999 ft | 1,192 sx |
| 2.875" | 7,999 ft | 1,192 sx |
Permit History (4)
ELLIFF, J. S. ETAL · 8,000 ft
1991-09-24
Spud 1991-09-19
ELLIFF, J. S. ET AL · 8,000 ft
1991-02-05
Spud 1991-04-29
ELLIFF, J. S. ETAL · 8,400 ft
1990-04-24
ELLIFF, J. S. ETAL · 8,400 ft
1990-04-24
Applications (4)
Records & Logs
8 completion filings on record · 4 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
- 40
- Max Depth
- 8,400 ft
- Drill Type
- Vertical
- County
- NUECES
- District
- 4
- Operator
- UNION PACIFIC RESOURCES COMPANY
- Completed
- 1990-09-01
Operator
- Name
- UNION PACIFIC RES CO
- Location
- FORT WORTH
- P-5 Status
- Inactive (filed 2000-05-02)
- Cum Oil (all leases)
- 75,300,375 bbl
- Cum Gas (all leases)
- 1,818,873,181 mcf
- Total Permits
- 5,638