42-251-30107
Final CompletionATLAS MILDRED
JOHNSON County · District 5 · UNION PACIFIC RESOURCES COMPANY · WILDCAT
Permits
2
Max Depth
9,500 ft
First Permit
1997-04-04
Latest Activity
1999-02-15
Lifespan
2 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1997-12-11
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: UNION PACIFIC RESOURCES COMPANY ≠ Production: EAGLERIDGE OPERATING, LLC (reported 2026-04)
Resolved via: production → EAGLERIDGE OPERATING, 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
1998-05
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 (5) Elevation 716 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ATOKA | 1,712 ft | -996 ft |
| MARBLE FALLS | 7,400 ft | -6,684 ft |
| BARNETT SHALE (Barnett) | 7,923 ft | -7,207 ft |
| BARNETT SHALE (Barnett) | 7,924 ft | -7,208 ft |
| VIOLA | 8,248 ft | -7,532 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 |
|---|---|
| 8,140–8,200 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,059 ft | 1,155 sx |
| 4.5" | 8,378 ft | 470 sx |
Permit History (2)
Applications (2)
Records & Logs
6 completion filings on record · 2 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
- 1
- Max Depth
- 9,500 ft
- Drill Type
- Vertical
- County
- JOHNSON
- District
- 5
- Operator
- UNION PACIFIC RESOURCES COMPANY
- Completed
- 1997-12-11
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