42-003-05241
PRODUCINGLOCKHART
ANDREWS County · District 8 · WINN OPERATING LLC · MARTIN (SECOND SIMPSON SD.)
Permits
1
Max Depth
8,857 ft
First Permit
1986-09-12
Latest Activity
1986-09-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1986-12-05
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: WINN OPERATING LLC ≠ Permit: SHELL WESTERN E&P INC.
Resolved via: production → WINN 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
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 (3) Elevation 3,293 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MCKEE | 8,103 ft | -4,810 ft |
| SECOND SIMPSON SAND (Simpson) | 8,335 ft | -5,042 ft |
| ELLENBURGER | 8,474 ft | -5,181 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 |
|---|---|
| 8,344–8,430 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 284 ft | 400 sx |
| 8.625" | 3,744 ft | 3,600 sx |
| 5.5" | 8,475 ft | 100 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4
- Max Depth
- 8,857 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- WINN OPERATING LLC
- Completed
- 1986-12-05
Operator
- Name
- WINN OPER, LLC
- Location
- KILGORE
- P-5 Status
- Active (filed 2026-01-23)
- Cum Oil (all leases)
- 1,535,482 bbl
- Cum Gas (all leases)
- 178,389 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 1