42-211-33052

PRODUCING

VOLLMERT C

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

Permits

2

Max Depth

11,500 ft

First Permit

2004-08-30

Latest Activity

2009-06-24

Lifespan

5 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-11-26

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2004-10

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 2,612 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
NOVI10,737 ft-8,125 ft
TOP MORROW SHALE (Morrow)10,902 ft-8,290 ft
MORROW SAND C (Morrow)11,082 ft-8,470 ft
TD11,255 ft-8,643 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 (6)

IntervalType
10,016–10,070 ftPerforated
10,152–10,158 ftPerforated
10,304–10,308 ftPerforated
10,532–10,536 ftPerforated
10,618–10,626 ftPerforated
10,662–10,676 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"3,204 ft940 sx
9.625"3,204 ft1,000 sx
5.5"11,255 ft375 sx

Permit History (2)

Applications (2)

#682380 A UNIT PETROLEUM COMPANY
received 2009-06-22
#549680 A UNIT PETROLEUM COMPANY
received 2004-08-17

Records & Logs

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

W-2/G-1 2009-04-17
W-2/G-1 2009-07-23
W-2/G-1 2004-12-16 log on file
W-2/G-1 2005-01-24

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 HEMPHILL County.

Well Details

Well Number
3
Max Depth
11,500 ft
Drill Type
Vertical
County
HEMPHILL
District
10
Completed
2008-11-26

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