42-393-31941

Final Completion

VOLLMERT J. C.

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

Permits

2

Max Depth

11,250 ft

First Permit

2007-02-16

Latest Activity

2021-09-13

Lifespan

15 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-06-09

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2007-06

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 (11) Elevation 2,609 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BROWN DOLOMITE 3,932 ft-1,323 ft
DOUGLAS SAND (Douglas)6,847 ft-4,238 ft
DOUGLAS SAND (Douglas)7,257 ft-4,648 ft
KANSAS CITY 8,004 ft-5,395 ft
KANSAS CITY 8,358 ft-5,749 ft
GRANITE WASH 9,346 ft-6,737 ft
GRANITE WASH 10,654 ft-8,045 ft
13 FINGER10,745 ft-8,136 ft
13 FINGER10,823 ft-8,214 ft
MORROW 10,823 ft-8,214 ft
MORROW 11,249 ft-8,640 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
42-211-34301 VOLLMERT 'C' · UNIT PETROLEUM COMPANY
1.2 mi
Brown Dolomite 3,968'Douglas 6,878'Kansas City 8,060'KC 8,060'Marmaton 8,985'Granite Wash 9,450'NOVI 10,712'13 FINGER 10,790'Morrow 10,910'
42-211-34295 ISAACS E · UNIT PETROLEUM COMPANY
1.3 mi
Brown Dolomite 3,890'Douglas 6,828'Kansas City 8,021'KC 8,021'Marmaton 8,942'Granite Wash 9,413'NOVI 10,767'13 FINGER 10,862'Morrow 11,000'
42-211-34621 VOLLMERT C · UNIT PETROLEUM COMPANY
1.4 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
2.0 mi
HEEBNER 6,917'Douglas 6,917'Douglas 6,917'Granite Wash 9,738'NOVI 11,010'
42-211-33714 ISAACS C · UNIT PETROLEUM COMPANY
2.6 mi
RED BEDS 3,915'BASE RED BEDS 3,915'Brown Dolomite 3,915'Brown Dolomite 4,390'Douglas 6,838'BASE HEEBNER 6,838'HEEBNER 6,838'Douglas 7,210'Kansas City 8,072'Kansas City 8,440'Marmaton 9,120'Marmaton 9,218' +6 more
42-393-30128 SUSAN R. KAUFMAN · MMGL TXPH, LLC
2.9 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'
42-393-32180 WATERFIELD 'A' · UNIT PETROLEUM COMPANY
3.5 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'
42-393-32029 FLOWERS 'A' · UNIT PETROLEUM COMPANY
3.5 mi
Brown Dolomite 4,179'Douglas 6,984'Kansas City 8,054'Marmaton 8,740'Granite Wash 9,157'NOVI 10,523'Morrow 10,720'Morrow 10,820'

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
6,932–6,944 ftPerforated
6,972–6,982 ftPerforated
9,776–10,041 ftPerforated
10,216–10,305 ftPerforated
10,396–10,596 ftPerforated

Casing (4)

SizeSet DepthCement
9.625"2,828 ft1,225 sx
9.625"2,830 ft1,225 sx
5.5"10,930 ft485 sx
5.5"11,250 ft510 sx

Permit History (2)

Applications (2)

#872684 A UNIT PETROLEUM COMPANY
received 2021-09-10
#633523 A UNIT PETROLEUM COMPANY
received 2007-02-13

Records & Logs

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

W-2/G-1 2022-11-29
W-2/G-1 2021-10-25
W-2/G-1 2007-07-24 log on file
W-2/G-1 2008-02-06
W-2/G-1 2008-09-04
W-2/G-1 2008-08-29

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 35.844681
Lon -100.547077

Well Details

Well Number
10
Max Depth
11,250 ft
Drill Type
Vertical
County
ROBERTS
District
10
Completed
2007-06-09

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