42-211-32627
PRODUCINGZYBACH 66
HEMPHILL County · District 10 · UNBRIDLED RESOURCES LLC · BUFFALO WALLOW (GRANITE WASH)
Permits
1
Max Depth
11,650 ft
First Permit
2002-07-25
Latest Activity
2002-07-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2002-09-12
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2002-09
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 (6) Elevation 2,692 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| T/BROWN DOLOMITE | 4,673 ft | -1,981 ft |
| B/HEEBER-T/DOUGLAS | 8,162 ft | -5,470 ft |
| T/TONKAWA | 8,966 ft | -6,274 ft |
| AVANT LS | 9,567 ft | -6,875 ft |
| T/BRITT GRANITE WASH | 11,171 ft | -8,479 ft |
| T/GRANITE WASH A&B | 11,299 ft | -8,607 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 |
|---|---|
| 11,178–11,254 ft | Perforated |
| 11,334–11,486 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,527 ft | 660 sx |
| 5.5" | 11,697 ft | 300 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
- 4
- Max Depth
- 11,650 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- UNBRIDLED RESOURCES LLC
- Completed
- 2002-09-12
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