42-211-34112
PRODUCINGHEMPHILL WALSER 11
HEMPHILL County · District 10 · UNBRIDLED RESOURCES LLC · BUFFALO WALLOW (GRANITE WASH)
Permits
1
Max Depth
13,775 ft
First Permit
2008-01-28
Latest Activity
2008-01-28
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2008-04-05
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Production operator mismatch
Scheduling: UNBRIDLED RESOURCES LLC ≠ Production: 4P ENERGY TEXAS, LLC (reported 2019-07)
EWA / Permit operator mismatch
Scheduling: UNBRIDLED RESOURCES LLC ≠ Permit: LINN OPERATING, 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
2008-04
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 2,684 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| T/BROWN DOLOMITE | 4,536 ft | -1,852 ft |
| B/HEEBNER-T/DOULGAS | 8,079 ft | -5,395 ft |
| T/TONKAWA | 8,839 ft | -6,155 ft |
| AVANT LS | 9,464 ft | -6,780 ft |
| T/BRITT GRANITE WASH | 11,140 ft | -8,456 ft |
| T/GRANITE WASH "A""B" & "C" | 11,224 ft | -8,540 ft |
| T/GRANITE WASH D SHAEL "E""F" | 11,976 ft | -9,292 ft |
| T/ATOKA WASH | 12,496 ft | -9,812 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 |
|---|---|
| 11,250–13,048 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,255 ft | 1,775 sx |
| 5.5" | 13,178 ft | 455 sx |
Permit History (1)
Applications (1)
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
- 25
- Max Depth
- 13,775 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- UNBRIDLED RESOURCES LLC
- Completed
- 2008-04-05
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