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VOLLMERT B

ROBERTS County · District 10 · UNIT PETROLEUM COMPANY · MENDOTA NW. (GRANITE WASH)

Permits

1

Max Depth

10,950 ft

First Permit

2009-10-06

Latest Activity

2009-10-06

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-08-27

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2009-12

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 (9) Elevation 2,666 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BROWN DOLOMITE 3,995 ft-1,329 ft
DOUGLAS 6,893 ft-4,227 ft
KANSAS CITY 8,068 ft-5,402 ft
KC8,068 ft-5,402 ft
MARMATON 8,956 ft-6,290 ft
GRANITE WASH 9,426 ft-6,760 ft
GW9,426 ft-6,760 ft
NOVI10,685 ft-8,019 ft
13 FINGER10,770 ft-8,104 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 (2)

IntervalType
9,981–10,067 ftPerforated
10,264–10,622 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"2,800 ft1,322 sx
5.5"10,785 ft695 sx

Permit History (1)

Applications (1)

#685796 A UNIT PETROLEUM COMPANY
received 2009-10-05

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2025-09-03
W-2/G-1 2010-02-16 log on file
W-2/G-1 2010-02-24

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

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in ROBERTS County.

Well Details

Well Number
9
Max Depth
10,950 ft
Drill Type
Vertical
County
ROBERTS
District
10
Completed
2025-08-27

Operator

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