42-393-32541
PRODUCING HorizontalVOLLMERT B
ROBERTS County · District 10 · UNIT PETROLEUM COMPANY · MENDOTA NW. (GRANITE WASH)
Permits
1
Max Depth
10,800 ft
First Permit
2013-08-30
Latest Activity
2013-08-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-07-19
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2013-12
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 (6) Elevation 2,836 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BROWN DOLOMITE | 4,180 ft | -1,344 ft |
| DOUGLAS | 7,086 ft | -4,250 ft |
| TONKAWA | 7,794 ft | -4,958 ft |
| KANSAS CITY | 8,193 ft | -5,357 ft |
| MARMATON | 9,035 ft | -6,199 ft |
| GRANITE WASH | 9,513 ft | -6,677 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 |
|---|---|
| 11,451–15,268 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 877 ft | 1,400 sx |
| 9.625" | 6,365 ft | 650 sx |
| 7" | 11,408 ft | 397 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 2 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
- 12H
- Max Depth
- 10,800 ft
- Drill Type
- Horizontal
- County
- ROBERTS
- District
- 10
- Operator
- UNIT PETROLEUM COMPANY
- Completed
- 2014-07-19
Operator
- Name
- UNIT PETRO CO
- Location
- TULSA
- P-5 Status
- Active (filed 2025-01-13)
- Cum Oil (all leases)
- 8,610,362 bbl
- Cum Gas (all leases)
- 788,031,686 mcf
- Activities
- CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 1,100