42-355-32750
Final CompletionRIVERS -A-
NUECES County · District 4 · UNION PACIFIC RESOURCES COMPANY · STRATTON (W-77-1)
Permits
5
Max Depth
8,200 ft
First Permit
1989-05-25
Latest Activity
1991-11-07
Lifespan
2 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1989-07-05
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 (2) Elevation 122 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| W-36 | 6,736 ft | -6,614 ft |
| W-77 | 7,123 ft | -7,001 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 (18)
| Interval | Type |
|---|---|
| 5,504–5,514 ft | Perforated |
| 5,545–5,550 ft | Perforated |
| 5,576–5,584 ft | Perforated |
| 5,601–5,609 ft | Perforated |
| 5,619–5,625 ft | Perforated |
| 5,636–5,643 ft | Perforated |
| 5,648–5,656 ft | Perforated |
| 5,776–5,786 ft | Perforated |
| 5,806–5,814 ft | Perforated |
| 5,818–5,824 ft | Perforated |
| 5,838–5,848 ft | Perforated |
| 5,872–5,878 ft | Perforated |
| 6,454–6,462 ft | Perforated |
| 6,610–6,616 ft | Perforated |
| 6,640–6,644 ft | Perforated |
+3 more intervals
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,240 ft | 396 sx |
| 2.875" | 7,303 ft | 551 sx |
| 2.875" | 7,324 ft | 457 sx |
| 2.875" | 7,324 ft | 457 sx |
Permit History (5)
RIVERS -A- · 7,350 ft
1991-11-07
Spud 1991-12-03
RIVERS -A- · 7,350 ft
1990-07-10
RIVERS -A- · 7,350 ft
1990-07-10
RIVERS -A- · 7,350 ft
1989-05-25
RIVERS -A- · 8,200 ft
1989-05-25
Applications (5)
Records & Logs
11 completion filings on record · 4 with log images at RRC.
+5 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
- 18
- Max Depth
- 8,200 ft
- Drill Type
- Vertical
- County
- NUECES
- District
- 4
- Operator
- UNION PACIFIC RESOURCES COMPANY
- Completed
- 1989-07-05
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