42-211-34470
PRODUCING HorizontalVOLLMERT TRUST SL
HEMPHILL County · District 10 · BRACKEN OPERATING L.L.C. · MENDOTA NW. (GRANITE WASH)
Permits
2
Max Depth
10,819 ft
First Permit
2008-10-06
Latest Activity
2008-10-06
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2009-01-08
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
2009-01
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 2,845 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| COTTAGE GROVE | 8,516 ft | -5,671 ft |
| HOG SHOOTER | 8,751 ft | -5,906 ft |
| GW "B" | 10,030 ft | -7,185 ft |
| GW "E" | 10,510 ft | -7,665 ft |
| GW "G" | 10,655 ft | -7,810 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 |
|---|---|
| 11,160–15,088 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,507 ft | 1,015 sx |
| 7" | 11,160 ft | 680 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
- 431H
- Max Depth
- 10,819 ft
- Drill Type
- Horizontal
- County
- HEMPHILL
- District
- 10
- Operator
- BRACKEN OPERATING L.L.C.
- Completed
- 2009-01-08
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