42-393-31563

PRODUCING

VOLLMERT C

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

Permits

Max Depth

11,200 ft

First Permit

2003-04-04

Latest Activity

2009-09-03

Lifespan

6 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-01-23

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2003-06

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 (6) Elevation 2,618 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
U DOUGLAS	6,930 ft	-4,312 ft
U. DOUGLAS	6,930 ft	-4,312 ft
UPPER DOUGLAS (Douglas)	6,930 ft	-4,312 ft
TONKAWA	7,225 ft	-4,607 ft
GRANITE WASH	9,350 ft	-6,732 ft
MORROW	10,800 ft	-8,182 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 (4)

Interval	Type
9,796–9,806 ft	Perforated
9,920–9,976 ft	Perforated
10,026–10,578 ft	Perforated
10,920–11,200 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	3,159 ft	1,215 sx
8.75"	10,920 ft	430 sx
5.5"	10,920 ft	430 sx

Permit History (2)

#684739 Recompletion Final Completion

VOLLMERT "C" · 11,200 ft

2009-09-03

Spud 2003-04-21

#530349 Drill Final Completion

VOLLMERT "C" · 11,200 ft

2003-04-04

Spud 2003-04-21

Applications (2)

#684739 A UNIT PETROLEUM COMPANY

received 2009-09-02

#530349 A UNIT PETROLEUM COMPANY

received 2003-04-04

Records & Logs

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

W-2/G-1 2014-07-21

W-2/G-1 2009-05-26

W-2/G-1 2009-09-02

W-2/G-1 2003-06-30 log on file

W-2/G-1 2003-07-31

W-2/G-1 2003-09-04

Completion packets + logs ↗ Wellbore filings ↗

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: 2
Max Depth: 11,200 ft
Drill Type: Vertical
County: ROBERTS
District: 10
Operator: UNIT PETROLEUM COMPANY
Completed: 2014-01-23

Operator

Name: UNIT PETRO CO
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