42-211-33802
Final CompletionHEMPHILL WALSER 11
HEMPHILL County · District 10 · UNBRIDLED RESOURCES LLC · BUFFALO WALLOW (GRANITE WASH)
Permits
2
Max Depth
13,750 ft
First Permit
2006-12-14
Latest Activity
2006-12-14
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2007-11-09
Shut-In
—
Plugged
2018-09-25
EWA / Production operator mismatch
Scheduling: UNBRIDLED RESOURCES LLC ≠ Production: 4P ENERGY TEXAS, LLC (reported 2018-07)
EWA / Permit operator mismatch
Scheduling: UNBRIDLED RESOURCES LLC ≠ Permit: DOMINION OKLAHOMA TEXAS E&P, INC
Resolved via: scheduling → UNBRIDLED RESOURCES 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
2007-11
Last Production
2021-05
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 (6) Elevation 2,699 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| T/BROWN DOLOMITE | 4,540 ft | -1,841 ft |
| B/HEEBNER DOUGLAS | 8,045 ft | -5,346 ft |
| T/TONKAWA | 8,780 ft | -6,081 ft |
| AVANT LS | 9,403 ft | -6,704 ft |
| GRANITE WASH D MKR (Granite Wash) | 11,910 ft | -9,211 ft |
| T/ATOKA WASH | 12,430 ft | -9,731 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 |
|---|---|
| 11,174–12,994 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,304 ft | 1,875 sx |
| 5.5" | 13,250 ft | 520 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
- 28
- Max Depth
- 13,750 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- UNBRIDLED RESOURCES LLC
- Completed
- 2007-11-09
Operator
- Name
- UNBRIDLED RES, LLC
- Location
- OKLAHOMA CI, TY
- P-5 Status
- Active (filed 2025-12-17)
- Cum Oil (all leases)
- 2,156,940 bbl
- Cum Gas (all leases)
- 150,390,040 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 6