42-393-32352

NOT ELIGIBLE FOR ALLOWABLE Horizontal

VOLLMERT B SL

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

Permits

1

Max Depth

10,000 ft

First Permit

2011-03-07

Latest Activity

2011-03-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-08-03

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

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 (4) Elevation 2,833 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP BROWN DOLOMITE (Brown Dolomite)4,154 ft-1,321 ft
HEEBNER BASE7,010 ft-4,177 ft
MARMATON 9,070 ft-6,237 ft
GRANITE WASH 9,543 ft-6,710 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)

IntervalType
10,618–13,900 ftOpen hole

Casing (2)

SizeSet DepthCement
9.625"2,515 ft1,400 sx
7"10,328 ft310 sx

Permit History (1)

Applications (1)

#711023 A UNIT PETROLEUM COMPANY
received 2011-02-25

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2011-11-17 log on file

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
11H
Max Depth
10,000 ft
Drill Type
Horizontal
County
ROBERTS
District
10
Completed
2011-08-03

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