42-393-32154
PRODUCING HorizontalVOLLMERT TRUST
ROBERTS County · District 10 · BRACKEN OPERATING L.L.C. · MENDOTA NW. (GRANITE WASH)
Permits
1
Max Depth
10,610 ft
First Permit
2008-08-07
Latest Activity
2008-08-07
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2008-10-30
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: BRACKEN OPERATING L.L.C. ≠ Permit: JONES ENERGY, LTD.
Resolved via: production → 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
2008-10
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 (5) Elevation 2,796 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| HOGSHOOTER | 8,642 ft | -5,846 ft |
| CHECKERBOARD | 9,054 ft | -6,258 ft |
| GW "C" | 10,141 ft | -7,345 ft |
| GW "E" | 10,435 ft | -7,639 ft |
| GW "G" | 10,555 ft | -7,759 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 |
|---|---|
| 11,007–13,945 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 7" | 1,107 ft | 355 sx |
| 13.375" | 1,335 ft | 1,125 sx |
| 9.625" | 5,048 ft | 430 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
- 331H
- Max Depth
- 10,610 ft
- Drill Type
- Horizontal
- County
- ROBERTS
- District
- 10
- Operator
- BRACKEN OPERATING L.L.C.
- Completed
- 2008-10-30
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