42-211-34900
PRODUCING HorizontalWEBB
HEMPHILL County · District 10 · UNIT PETROLEUM COMPANY · MENDOTA NW. (GRANITE WASH)
Permits
1
Max Depth
10,000 ft
First Permit
2011-05-20
Latest Activity
2011-05-20
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-08-30
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
2011-08
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 2,555 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BROWN DOLOMITE | 3,900 ft | -1,345 ft |
| DOUGLAS | 6,704 ft | -4,149 ft |
| LANSING/KANSAS CITY | 8,047 ft | -5,492 ft |
| CLEVELAND | 8,552 ft | -5,997 ft |
| MARMATON | 8,966 ft | -6,411 ft |
| GRANITE WASH | 9,405 ft | -6,850 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 |
|---|---|
| 10,507–14,173 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,528 ft | 1,400 sx |
| 7" | 10,047 ft | 245 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
- 4188H
- Max Depth
- 10,000 ft
- Drill Type
- Horizontal
- County
- HEMPHILL
- District
- 10
- Operator
- UNIT PETROLEUM COMPANY
- Completed
- 2011-08-30
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