42-503-39014
Final CompletionMAHLER & SCOTT UNIT
YOUNG County · District 9 · MASH OILFIELD SERVICES LP · SWINK EAST (MISSISSIPPIAN)
Permits
1
Max Depth
5,500 ft
First Permit
1985-10-22
Latest Activity
1985-10-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-12-07
Shut-In
—
Plugged
2020-08-10
EWA / Production operator mismatch
Scheduling: MASH OILFIELD SERVICES LP ≠ Production: BIG MOUNTAIN OPERATING LLC (reported 2019-09)
EWA / Permit operator mismatch
Scheduling: MASH OILFIELD SERVICES LP ≠ Permit: MARBIL OIL, INC.
Resolved via: scheduling → MASH OILFIELD SERVICES LP
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
2020-12
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 1,211 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CADDO LIME (Caddo) | 4,485 ft | -3,274 ft |
| MISSISSIPPI LIME (Mississippian) | 4,972 ft | -3,761 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 |
|---|---|
| 4,972–4,992 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 114 ft | 75 sx |
| 5.5" | 4,974 ft | 180 sx |
Permit History (1)
Applications (2)
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
- 5,500 ft
- Drill Type
- Vertical
- County
- YOUNG
- District
- 9
- Operator
- MASH OILFIELD SERVICES LP
- Completed
- 1985-12-07
Operator
- Location
- GRAHAM
- P-5 Status
- Active (filed 2025-07-15)
- Cum Oil (all leases)
- 14,500 bbl
- Cum Gas (all leases)
- 6,236 mcf
- Activities
- OPRS/G
- Total Permits
- 1