PENZKOFER, THOMAS 1

Lease 8579 · SAGINAW County, Michigan · Birch Run Sec 26 field · Dundee

Oil1997–20251 well

Operator (latest)

BAILER OIL COMPANY LLC

Field

Birch Run Sec 26

Formation

Dundee

Field type (as filed)

First production

1997

Last production

2025

Operators

2 runs on this lease, as filed month by month.

Operator	From	To
BAILER OIL COMPANY LLC	Jan 2021	Dec 2025
BAILER AND DESHAW	Jan 1997	Dec 2020

Monthly oil production

348 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Jan 1997 to Dec 2025. Volumes are bbl at lease level — a lease can cover many wells, so this is not a well's output.

Total over the months shown

7,155 bbl

Months filed

348

The Michigan Department of Environment, Great Lakes, and Energy records first production from this unit in 1987, and the monthly series below begins in Jan 1997. The total above covers the months shown, not the life of the unit.

Month	Oil (bbl)
Dec 2025	16
Nov 2025	15
Oct 2025	17
Sep 2025	15
Aug 2025	16
Jul 2025	16
Jun 2025	15
May 2025	10
Apr 2025	10
Mar 2025	10
Feb 2025	9
Jan 2025	10
Dec 2024	18
Nov 2024	17
Oct 2024	18
Sep 2024	17
Aug 2024	18
Jul 2024	18
Jun 2024	17
May 2024	18
Apr 2024	18
Mar 2024	17
Feb 2024	17
Jan 2024	18
Dec 2023	15
Nov 2023	14
Oct 2023	15
Sep 2023	14
Aug 2023	15
Jul 2023	14
Jun 2023	15
May 2023	14
Apr 2023	15
Mar 2023	14
Feb 2023	15
Jan 2023	16
Dec 2022	14
Nov 2022	15
Oct 2022	14
Sep 2022	15
Aug 2022	14
Jul 2022	15
Jun 2022	14
May 2022	15
Apr 2022	14
Mar 2022	15
Feb 2022	14
Jan 2022	15
Dec 2021	16
Nov 2021	16
Oct 2021	16
Sep 2021	16
Aug 2021	16
Jul 2021	16
Jun 2021	16
May 2021	16
Apr 2021	16
Mar 2021	16
Feb 2021	16
Jan 2021	16
Dec 2020	15
Nov 2020	15
Oct 2020	15
Sep 2020	15
Aug 2020	15
Jul 2020	15
Jun 2020	15
May 2020	15
Apr 2020	15
Mar 2020	15
Feb 2020	14
Jan 2020	15
Dec 2019	15
Nov 2019	15
Oct 2019	15
Sep 2019	14
Aug 2019	14
Jul 2019	15
Jun 2019	15
May 2019	15
Apr 2019	14
Mar 2019	15
Feb 2019	14
Jan 2019	15
Dec 2018	0
Nov 2018	67
Oct 2018	0
Sep 2018	0
Aug 2018	0
Jul 2018	65
Jun 2018	0
May 2018	0
Apr 2018	0
Mar 2018	70
Feb 2018	0
Jan 2018	0
Dec 2017	0
Nov 2017	0
Oct 2017	0
Sep 2017	121
Aug 2017	0
Jul 2017	0
Jun 2017	0
May 2017	0
Apr 2017	0
Mar 2017	93
Feb 2017	0
Jan 2017	0
Dec 2016	0
Nov 2016	0
Oct 2016	78
Sep 2016	0
Aug 2016	0
Jul 2016	92
Jun 2016	0
May 2016	0
Apr 2016	0
Mar 2016	61
Feb 2016	0
Jan 2016	0
Dec 2015	0
Nov 2015	0
Oct 2015	94
Sep 2015	0
Aug 2015	0
Jul 2015	0
Jun 2015	0
May 2015	0
Apr 2015	65
Mar 2015	0
Feb 2015	81
Jan 2015	0
Dec 2014	0
Nov 2014	0
Oct 2014	0
Sep 2014	0
Aug 2014	68
Jul 2014	0
Jun 2014	0
May 2014	0
Apr 2014	71
Mar 2014	0
Feb 2014	0
Jan 2014	0
Dec 2013	0
Nov 2013	67
Oct 2013	0
Sep 2013	0
Aug 2013	0
Jul 2013	90
Jun 2013	0
May 2013	0
Apr 2013	61
Mar 2013	0
Feb 2013	0
Jan 2013	0
Dec 2012	0
Nov 2012	0
Oct 2012	108
Sep 2012	0
Aug 2012	0
Jul 2012	48
Jun 2012	0
May 2012	0
Apr 2012	0
Mar 2012	40
Feb 2012	84
Jan 2012	0
Dec 2011	0
Nov 2011	0
Oct 2011	0
Sep 2011	0
Aug 2011	88
Jul 2011	0
Jun 2011	0
May 2011	95
Apr 2011	0
Mar 2011	0
Feb 2011	0
Jan 2011	0
Dec 2010	0
Nov 2010	0
Oct 2010	82
Sep 2010	0
Aug 2010	0
Jul 2010	0
Jun 2010	128
May 2010	0
Apr 2010	0
Mar 2010	0
Feb 2010	96
Jan 2010	0
Dec 2009	0
Nov 2009	0
Oct 2009	0
Sep 2009	90
Aug 2009	0
Jul 2009	0
Jun 2009	76
May 2009	0
Apr 2009	0
Mar 2009	110
Feb 2009	0
Jan 2009	0
Dec 2008	66
Nov 2008	0
Oct 2008	0
Sep 2008	121
Aug 2008	0
Jul 2008	52
Jun 2008	0
May 2008	0
Apr 2008	148
Mar 2008	0
Feb 2008	0
Jan 2008	161
Dec 2007	0
Nov 2007	147
Oct 2007	0
Sep 2007	0
Aug 2007	101
Jul 2007	0
Jun 2007	0
May 2007	0
Apr 2007	0
Mar 2007	90
Feb 2007	0
Jan 2007	0
Dec 2006	0
Nov 2006	0
Oct 2006	0
Sep 2006	0
Aug 2006	59
Jul 2006	0
Jun 2006	0
May 2006	0
Apr 2006	0
Mar 2006	59
Feb 2006	0
Jan 2006	0
Dec 2005	0
Nov 2005	108
Oct 2005	0
Sep 2005	0
Aug 2005	0
Jul 2005	0
Jun 2005	0
May 2005	0
Apr 2005	0
Mar 2005	88
Feb 2005	0
Jan 2005	0
Dec 2004	0
Nov 2004	39
Oct 2004	0
Sep 2004	0
Aug 2004	0
Jul 2004	0
Jun 2004	93
May 2004	0
Apr 2004	0
Mar 2004	0
Feb 2004	0
Jan 2004	97
Dec 2003	0
Nov 2003	0
Oct 2003	0
Sep 2003	93
Aug 2003	0
Jul 2003	0
Jun 2003	0
May 2003	0
Apr 2003	101
Mar 2003	0
Feb 2003	0
Jan 2003	0
Dec 2002	121
Nov 2002	0
Oct 2002	0
Sep 2002	0
Aug 2002	0
Jul 2002	106
Jun 2002	0
May 2002	0
Apr 2002	0
Mar 2002	0
Feb 2002	0
Jan 2002	113
Dec 2001	0
Nov 2001	0
Oct 2001	0
Sep 2001	0
Aug 2001	0
Jul 2001	142
Jun 2001	0
May 2001	0
Apr 2001	67
Mar 2001	0
Feb 2001	0
Jan 2001	0
Dec 2000	0
Nov 2000	142
Oct 2000	0
Sep 2000	0
Aug 2000	0
Jul 2000	0
Jun 2000	102
May 2000	0
Apr 2000	0
Mar 2000	0
Feb 2000	70
Jan 2000	0
Dec 1999	142
Nov 1999	0
Oct 1999	0
Sep 1999	0
Aug 1999	156
Jul 1999	0
Jun 1999	0
May 1999	0
Apr 1999	0
Mar 1999	0
Feb 1999	146
Jan 1999	0
Dec 1998	0
Nov 1998	0
Oct 1998	0
Sep 1998	129
Aug 1998	0
Jul 1998	0
Jun 1998	0
May 1998	167
Apr 1998	0
Mar 1998	0
Feb 1998	0
Jan 1998	0
Dec 1997	0
Nov 1997	0
Oct 1997	129
Sep 1997	0
Aug 1997	0
Jul 1997	0
Jun 1997	70
May 1997	0
Apr 1997	110
Mar 1997	0
Feb 1997	0
Jan 1997	64

Lease-level volumes as filed with the Michigan Department of Environment, Great Lakes, and Energy.

Wells on this lease

1 well the state's well register assigns to this lease. Every one has a page. Michigan files the dates a well entered and left the unit, and a unit's members include injection, observation and dry holes — a member is not a producer.

Well	No.	Type	Operator	Status	In the unit
PENZKOFER, THOMAS	1	Oil Well	BAILER OIL COMPANY LLC	Producing	Dec 1987 — still

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 8579.