42-211-34301

SHUT IN

VOLLMERT C

HEMPHILL County · District 10 · UNIT PETROLEUM COMPANY · CANADIAN SE (DOUGLAS)

Permits

2

Max Depth

11,400 ft

First Permit

2008-06-25

Latest Activity

2024-07-26

Lifespan

16 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-08-19

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-09

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 2,636 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BROWN DOLOMITE 3,968 ft-1,332 ft
DOUGLAS 6,878 ft-4,242 ft
KANSAS CITY 8,060 ft-5,424 ft
KC8,060 ft-5,424 ft
MARMATON 8,985 ft-6,349 ft
GRANITE WASH 9,450 ft-6,814 ft
NOVI10,712 ft-8,076 ft
13 FINGER10,790 ft-8,154 ft
MORROW 10,910 ft-8,274 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-211-34621 VOLLMERT C · UNIT PETROLEUM COMPANY
0.5 mi
Brown Dolomite 3,980'Douglas 6,916'Kansas City 8,112'Marmaton 9,050'Granite Wash 9,520'NOVI 10,810'13 FINGER 10,890'
42-211-34298 VOLLMERT "C" · UNIT PETROLEUM COMPANY
0.7 mi
HEEBNER 6,917'Douglas 6,917'Douglas 6,917'Granite Wash 9,738'NOVI 11,010'
42-211-34295 ISAACS E · UNIT PETROLEUM COMPANY
0.9 mi
Brown Dolomite 3,890'Douglas 6,828'KC 8,021'Kansas City 8,021'Marmaton 8,942'Granite Wash 9,413'NOVI 10,767'13 FINGER 10,862'Morrow 11,000'
42-393-31941 VOLLMERT, J. C. · UNIT PETROLEUM COMPANY
1.2 mi
Brown Dolomite 3,932'Douglas 6,847'Douglas 7,257'Kansas City 8,004'Kansas City 8,358'Granite Wash 9,346'Granite Wash 10,654'13 FINGER 10,745'Morrow 10,823'13 FINGER 10,823'Morrow 11,249'
42-211-33714 ISAACS C · UNIT PETROLEUM COMPANY
1.5 mi
Brown Dolomite 3,915'RED BEDS 3,915'BASE RED BEDS 3,915'Brown Dolomite 4,390'HEEBNER 6,838'BASE HEEBNER 6,838'Douglas 6,838'Douglas 7,210'Kansas City 8,072'Kansas City 8,440'Marmaton 9,120'Marmaton 9,218' +6 more
42-393-32180 WATERFIELD 'A' · UNIT PETROLEUM COMPANY
2.4 mi
Brown Dolomite 4,119'Brown Dolomite 4,419'Douglas 6,930'Kansas City 8,145'Marmaton 9,120'Granite Wash 9,535'NOVI LIME 10,675'13 FINGER 10,755'
42-393-30882 MAHLER -A- · TEXAS OIL & GAS CORP.
3.6 mi
Granite Wash 9,500'Morrow 10,800'Morrow 12,100'
42-393-30128 SUSAN R. KAUFMAN · MMGL TXPH, LLC
3.6 mi
Brown Dolomite 4,256'Douglas 7,126'Tonkawa 7,543'Kansas City 8,182'CHEROKEE 10,200'Morrow 10,930'Morrow 11,388'Morrow 12,195'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (5)

IntervalType
7,265–7,280 ftPerforated
9,870–9,888 ftPerforated
9,982–9,996 ftPerforated
9,998–10,024 ftPerforated
10,072–10,136 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"2,810 ft1,060 sx
5.5"11,400 ft495 sx

Permit History (2)

Applications (2)

#901552 A UNIT PETROLEUM COMPANY
received 2024-07-24
#664018 A UNIT PETROLEUM COMPANY
received 2008-06-09

Records & Logs

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

W-2/G-1 2024-10-29
W-2/G-1 2008-11-25 log on file
W-2/G-1 2009-01-26

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.

Lat 35.861221
Lon -100.538807

Well Details

Well Number
8
Max Depth
11,400 ft
Drill Type
Vertical
County
HEMPHILL
District
10
Completed
2024-08-19

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