42-417-38085
SHUT INNAIL 20
SHACKELFORD County · District 7 · M & K OPERATING LLC · NAIL TRACT 20 (MISS.)
Permits
2
Max Depth
5,100 ft
First Permit
1996-11-05
Latest Activity
1996-11-05
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1996-12-10
Shut-In
—
Plugged
—
P-5 Org Status: Delinquent
EWA / Production operator mismatch
Scheduling: M & K OPERATING LLC ≠ Production: CLAVO OIL, LLC (reported 2012-02)
EWA / Permit operator mismatch
Scheduling: M & K OPERATING LLC ≠ Permit: GRAYSTONE EXPLORATION CORP.
Resolved via: scheduling → M & K 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
1996-12
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 (1) Elevation 1,505 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MISS (Mississippian) | 4,860 ft | -3,355 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 |
|---|---|
| 4,972–4,977 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 635 ft | 270 sx |
| 5.5" | 4,972 ft | 145 sx |
Permit History (2)
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
- 120
- Max Depth
- 5,100 ft
- Drill Type
- Vertical
- County
- SHACKELFORD
- District
- 7
- Operator
- M & K OPERATING LLC
- Completed
- 1996-12-10
Operator
- Name
- M & K OPER LLC
- Location
- ALBANY
- P-5 Status
- Delinquent (filed 2024-02-28)
- Cum Oil (all leases)
- 179,444 bbl
- Cum Gas (all leases)
- 135,355 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 11