42-353-32159
Final CompletionGROUP 4000 UNIT A
NOLAN County · District 7 · WINCHESTER ENERGY LLC · GROUP (4000)
Permits
1
Max Depth
4,400 ft
First Permit
1991-02-12
Latest Activity
1991-02-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-07-30
Shut-In
—
Plugged
2025-06-06
EWA / Permit operator mismatch
Scheduling: WINCHESTER ENERGY LLC ≠ Permit: O & G ENERGY, INC.
Resolved via: scheduling → WINCHESTER ENERGY 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
Injection / Disposal
Permitted Volume
3,000 bbl/d
Max Pressure
1,750 psi
Injection Interval
3,500–4,054 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2024-11-01)
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 (3) Elevation 2,273 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE COLEMAN JUNCTION (Coleman Junction) | 3,020 ft | -747 ft |
| SADDLE CREEK | 3,880 ft | -1,607 ft |
| COOK | 3,961 ft | -1,688 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 |
|---|---|
| 4,051–4,054 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 220 ft | 220 sx |
| 5.5" | 4,197 ft | 345 sx |
| 4.5" | 4,197 ft | 345 sx |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 8A
- Max Depth
- 4,400 ft
- Drill Type
- Vertical
- County
- NOLAN
- District
- 7
- Operator
- WINCHESTER ENERGY LLC
- Completed
- 1991-07-30
Operator
- Name
- WINCHESTER ENGY, LLC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-03-23)
- Cum Oil (all leases)
- 381,495 bbl
- Cum Gas (all leases)
- 50,958 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 47