42-417-36683
SHUT INNAIL 126
SHACKELFORD County · District 7 · M & K OPERATING LLC · ROARK (TANNEHILL)
Permits
1
Max Depth
1,750 ft
First Permit
1985-11-27
Latest Activity
1985-11-27
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1985-12-17
Shut-In
—
Plugged
—
P-5 Org Status: Delinquent
EWA / Production operator mismatch
Scheduling: M & K OPERATING LLC ≠ Production: B P OPERATING COMPANY (reported 2003-07)
EWA / Permit operator mismatch
Scheduling: M & K OPERATING LLC ≠ Permit: ONE MADISON ENERGY, INC.
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
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 1,527 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| DOTHAN | 962 ft | +565 ft |
| SADDLE CREEK | 1,252 ft | +275 ft |
| FLIPPEN | 1,334 ft | +193 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 |
|---|---|
| 1,334–1,338 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 1,670 ft | 555 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
- J13B
- Max Depth
- 1,750 ft
- Drill Type
- Vertical
- County
- SHACKELFORD
- District
- 7
- Operator
- M & K OPERATING LLC
- Completed
- 1985-12-17
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