42-161-31155
PRODUCINGHEATH
FREESTONE County · District 5 · OLD UNION OPERATING COMPANY · WINKLER S.(COTTON VALLEY LIME)
Permits
1
Max Depth
11,750 ft
First Permit
1991-02-28
Latest Activity
1991-02-28
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1991-09-28
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: OLD UNION OPERATING COMPANY ≠ Permit: MILLER ENERGY, INC.
Resolved via: production → OLD UNION OPERATING COMPANY
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 361 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| B/AUSTIN CHALK | 3,468 ft | -3,107 ft |
| T/BUDA | 4,412 ft | -4,051 ft |
| B/MASSIVE ANHYDRITE | 6,753 ft | -6,392 ft |
| T/PETTIT | 7,315 ft | -6,954 ft |
| T/BOSSIER SHALE | 10,110 ft | -9,749 ft |
| T/COTTON VALLEY LIME | 11,020 ft | -10,659 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 |
|---|---|
| 11,036–11,043 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 4,450 ft | 1,080 sx |
| 5.5" | 11,486 ft | 350 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 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
- 11,750 ft
- Drill Type
- Vertical
- County
- FREESTONE
- District
- 5
- Operator
- OLD UNION OPERATING COMPANY
- Completed
- 1991-09-28
Operator
- Location
- AUSTIN
- P-5 Status
- Active (filed 2026-06-09)
- Cum Oil (all leases)
- 658 bbl
- Cum Gas (all leases)
- 733,311 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O