42-371-38819
Final CompletionWHITE & BAKER STATE
PECOS County · District 8 · TATANKA OPERATING LLC · WALKER (PENN DETRITAL)
Permits
2
Max Depth
8,000 ft
First Permit
2011-05-31
Latest Activity
2011-05-31
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-09-08
Shut-In
—
Plugged
2023-08-15
EWA / Production operator mismatch
Scheduling: TATANKA OPERATING LLC ≠ Production: SBJ OIL & GAS, LLC (reported 2023-03)
EWA / Permit operator mismatch
Scheduling: TATANKA OPERATING LLC ≠ Permit: BANDERA DEVELOPMENT GP, LLC
Resolved via: scheduling → TATANKA 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
2011-09
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 (8) Elevation 3,020 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 2,650 ft | +370 ft |
| CANYON (DAVID) (Canyon) | 2,897 ft | +123 ft |
| STRN (DAVID) | 5,028 ft | -2,008 ft |
| CISCO BASE (Cisco) | 6,995 ft | -3,975 ft |
| CANYON MARKER (Canyon) | 7,257 ft | -4,237 ft |
| STRAWN | 7,462 ft | -4,442 ft |
| PENN DETRITAL CHERT (Pennsylvanian) | 7,598 ft | -4,578 ft |
| WALKER (PENN DETRITAL) | 7,598 ft | -4,578 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 (2)
| Interval | Type |
|---|---|
| 7,589–7,608 ft | Perforated |
| 7,589–7,608 ft | Open hole |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 17.5" | 887 ft | 460 sx |
| 13.375" | 887 ft | 800 sx |
| 12.25" | 2,980 ft | 260 sx |
| 8.625" | 2,980 ft | 510 sx |
| 7.875" | 7,588 ft | 200 sx |
| 5.5" | 7,588 ft | 200 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 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
- 0601
- Max Depth
- 8,000 ft
- Drill Type
- Vertical
- County
- PECOS
- District
- 8
- Operator
- TATANKA OPERATING LLC
- Completed
- 2011-09-08
Operator
- Location
- WHITESBORO
- P-5 Status
- Active (filed 2025-07-11)
- Cum Oil (all leases)
- 164,332 bbl
- Cum Gas (all leases)
- 334,265 mcf
- Activities
- OPRS/G, OPRS/O