42-181-31557
PRODUCING HorizontalWILLIAM
GRAYSON County · District 9 · TATANKA OPERATING LLC · BIG MINERAL CREEK (VIOLA)
Permits
2
Max Depth
11,500 ft
First Permit
2014-08-11
Latest Activity
2014-08-11
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2015-08-05
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: TATANKA OPERATING LLC ≠ Permit: PAYSON OPERATING, LLC
Resolved via: production → 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
2015-08
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 690 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BAKER SAND | — | — |
| BARNES SAND | — | — |
| BRUHLMEYER | — | — |
| CARRAWAY SAND | — | — |
| COVEY | — | — |
| DAVIS SAND | — | — |
| HANDY SAND | — | — |
| HUFF SAND | — | — |
| PALUXY | — | — |
| STRAWN | — | — |
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 |
|---|---|
| 10,345–15,050 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,488 ft | 575 sx |
| 7" | 10,304 ft | 2,200 sx |
Permit History (2)
Applications (2)
Records & Logs
1 completion filing 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
- 1H
- Max Depth
- 11,500 ft
- Drill Type
- Horizontal
- County
- GRAYSON
- District
- 9
- Operator
- TATANKA OPERATING LLC
- Completed
- 2015-08-05
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