42-211-34804
TEMP ABANDONED HorizontalZYBACH 66
HEMPHILL County · District 10 · BRACKEN OPERATING L.L.C. · BUFFALO WALLOW (GRANITE WASH)
Permits
1
Max Depth
16,250 ft
First Permit
2010-10-26
Latest Activity
2010-10-26
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-01-08
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Production operator mismatch
Scheduling: BRACKEN OPERATING L.L.C. ≠ Production: JONES ENERGY, LLC (reported 2013-05)
EWA / Permit operator mismatch
Scheduling: BRACKEN OPERATING L.L.C. ≠ Permit: JONES ENERGY, LTD.
Resolved via: scheduling → BRACKEN OPERATING L.L.C.
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
2011-01
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 (3) Elevation 2,679 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| OSWEGO UPPER (Oswego) | 10,695 ft | -8,016 ft |
| UPPER UPPER GW | 11,037 ft | -8,358 ft |
| UPPER GW | 11,136 ft | -8,457 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 |
|---|---|
| 11,584–15,468 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 2,023 ft | 2,396 sx |
| 7" | 11,589 ft | 585 sx |
Permit History (1)
Applications (1)
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
- 21H
- Max Depth
- 16,250 ft
- Drill Type
- Horizontal
- County
- HEMPHILL
- District
- 10
- Operator
- BRACKEN OPERATING L.L.C.
- Completed
- 2011-01-08
Operator
- Name
- MAYNARD OIL CO
- Location
- PERRYTON
- P-5 Status
- Active (filed 2026-03-18)
- Cum Oil (all leases)
- 2,181,091 bbl
- Cum Gas (all leases)
- 53,599,965 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 140