OLDSCHAELER-CAMINSKY-SPEGEL 1

Lease 6579 · BAY County, Michigan · Essexville field · Dundee

OilWater1997–20261 well

Operator (latest)

MUSKEGON OPERATING COMPANY LLC

Field

Essexville

Formation

Dundee

Field type (as filed)

First production

1997

Last production

2026

Operators

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

Operator	From	To
MUSKEGON OPERATING COMPANY LLC	Apr 2026	May 2026
MILLER ENERGY COMPANY II LLC	Nov 2023	Mar 2026
YOST ENERGY INC	Oct 2004	Oct 2023
G AND H PRODUCERS INC	Dec 1997	Sep 2004

Monthly oil production

331 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Dec 1997 to May 2026. 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

26,122 bbl

Months filed

331

The Michigan Department of Environment, Great Lakes, and Energy records first production from this unit in 1945, and the monthly series below begins in Dec 1997. The total above covers the months shown, not the life of the unit.

Month	Oil (bbl)
May 2026	63
Apr 2026	18
Mar 2026	28
Feb 2026	44
Jan 2026	47
Dec 2025	34
Nov 2025	44
Oct 2025	38
Sep 2025	81
Aug 2025	25
Jul 2025	62
Jun 2025	67
May 2025	6
Apr 2025	71
Mar 2025	13
Feb 2025	35
Jan 2025	52
Dec 2024	71
Nov 2024	30
Oct 2024	27
Sep 2024	45
Aug 2024	24
Jul 2024	48
Jun 2024	44
May 2024	24
Apr 2024	30
Mar 2024	37
Feb 2024	49
Jan 2024	20
Dec 2023	18
Nov 2023	25
Oct 2023	52
Sep 2023	47
Aug 2023	62
Jul 2023	50
Jun 2023	49
May 2023	64
Apr 2023	57
Mar 2023	56
Feb 2023	80
Jan 2023	49
Dec 2022	41
Nov 2022	42
Oct 2022	37
Sep 2022	66
Aug 2022	60
Jul 2022	57
Jun 2022	62
May 2022	63
Apr 2022	46
Mar 2022	65
Feb 2022	50
Jan 2022	69
Dec 2021	61
Nov 2021	63
Oct 2021	55
Sep 2021	64
Aug 2021	68
Jul 2021	52
Jun 2021	55
May 2021	66
Apr 2021	48
Mar 2021	66
Feb 2021	53
Jan 2021	69
Dec 2020	65
Nov 2020	66
Oct 2020	60
Sep 2020	78
Aug 2020	62
Jul 2020	62
Jun 2020	63
May 2020	79
Apr 2020	59
Mar 2020	67
Feb 2020	73
Jan 2020	65
Dec 2019	86
Nov 2019	67
Oct 2019	65
Sep 2019	71
Aug 2019	75
Jul 2019	74
Jun 2019	71
May 2019	85
Apr 2019	77
Mar 2019	61
Feb 2019	51
Jan 2019	72
Dec 2018	84
Nov 2018	62
Oct 2018	72
Sep 2018	68
Aug 2018	119
Jul 2018	33
Jun 2018	84
May 2018	72
Apr 2018	59
Mar 2018	57
Feb 2018	64
Jan 2018	74
Dec 2017	73
Nov 2017	44
Oct 2017	106
Sep 2017	0
Aug 2017	0
Jul 2017	0
Jun 2017	0
May 2017	2
Apr 2017	25
Mar 2017	37
Feb 2017	61
Jan 2017	12
Dec 2016	61
Nov 2016	77
Oct 2016	55
Sep 2016	56
Aug 2016	58
Jul 2016	61
Jun 2016	54
May 2016	42
Apr 2016	81
Mar 2016	30
Feb 2016	77
Jan 2016	59
Dec 2015	34
Nov 2015	60
Oct 2015	65
Sep 2015	29
Aug 2015	-7
Jul 2015	70
Jun 2015	59
May 2015	58
Apr 2015	64
Mar 2015	74
Feb 2015	24
Jan 2015	83
Dec 2014	58
Nov 2014	67
Oct 2014	58
Sep 2014	90
Aug 2014	55
Jul 2014	68
Jun 2014	68
May 2014	65
Apr 2014	76
Mar 2014	60
Feb 2014	25
Jan 2014	76
Dec 2013	64
Nov 2013	74
Oct 2013	92
Sep 2013	70
Aug 2013	62
Jul 2013	61
Jun 2013	70
May 2013	48
Apr 2013	73
Mar 2013	87
Feb 2013	99
Jan 2013	72
Dec 2012	78
Nov 2012	65
Oct 2012	78
Sep 2012	60
Aug 2012	80
Jul 2012	72
Jun 2012	74
May 2012	58
Apr 2012	69
Mar 2012	67
Feb 2012	66
Jan 2012	77
Dec 2011	75
Nov 2011	73
Oct 2011	75
Sep 2011	63
Aug 2011	73
Jul 2011	73
Jun 2011	65
May 2011	71
Apr 2011	69
Mar 2011	85
Feb 2011	75
Jan 2011	75
Dec 2010	78
Nov 2010	83
Oct 2010	81
Sep 2010	66
Aug 2010	85
Jul 2010	71
Jun 2010	64
May 2010	86
Apr 2010	65
Mar 2010	61
Feb 2010	95
Jan 2010	55
Dec 2009	73
Nov 2009	84
Oct 2009	63
Sep 2009	68
Aug 2009	80
Jul 2009	70
Jun 2009	73
May 2009	76
Apr 2009	107
Mar 2009	68
Feb 2009	56
Jan 2009	75
Dec 2008	86
Nov 2008	58
Oct 2008	79
Sep 2008	88
Aug 2008	63
Jul 2008	73
Jun 2008	90
May 2008	75
Apr 2008	62
Mar 2008	98
Feb 2008	71
Jan 2008	78
Dec 2007	85
Nov 2007	57
Oct 2007	69
Sep 2007	78
Aug 2007	80
Jul 2007	82
Jun 2007	85
May 2007	78
Apr 2007	95
Mar 2007	71
Feb 2007	78
Jan 2007	92
Dec 2006	79
Nov 2006	86
Oct 2006	88
Sep 2006	76
Aug 2006	92
Jul 2006	66
Jun 2006	93
May 2006	67
Apr 2006	89
Mar 2006	94
Feb 2006	83
Jan 2006	88
Dec 2005	82
Nov 2005	87
Oct 2005	82
Sep 2005	88
Aug 2005	86
Jul 2005	71
Jun 2005	104
May 2005	116
Apr 2005	52
Mar 2005	85
Feb 2005	78
Jan 2005	86
Dec 2004	101
Nov 2004	89
Oct 2004	103
Sep 2004	89
Aug 2004	98
Jul 2004	100
Jun 2004	74
May 2004	105
Apr 2004	78
Mar 2004	108
Feb 2004	90
Jan 2004	115
Dec 2003	83
Nov 2003	104
Oct 2003	106
Sep 2003	106
Aug 2003	129
Jul 2003	147
Jun 2003	61
May 2003	71
Apr 2003	62
Mar 2003	66
Feb 2003	80
Jan 2003	88
Dec 2002	85
Nov 2002	45
Oct 2002	111
Sep 2002	149
Aug 2002	17
Jul 2002	78
Jun 2002	65
May 2002	99
Apr 2002	94
Mar 2002	105
Feb 2002	96
Jan 2002	102
Dec 2001	102
Nov 2001	99
Oct 2001	102
Sep 2001	99
Aug 2001	102
Jul 2001	102
Jun 2001	99
May 2001	102
Apr 2001	99
Mar 2001	102
Feb 2001	92
Jan 2001	102
Dec 2000	112
Nov 2000	109
Oct 2000	112
Sep 2000	109
Aug 2000	112
Jul 2000	112
Jun 2000	109
May 2000	112
Apr 2000	109
Mar 2000	112
Feb 2000	102
Jan 2000	112
Dec 1999	107
Nov 1999	103
Oct 1999	107
Sep 1999	103
Aug 1999	107
Jul 1999	107
Jun 1999	103
May 1999	107
Apr 1999	103
Mar 1999	107
Feb 1999	96
Jan 1999	107
Dec 1998	1,287
Dec 1997	1,379

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

Monthly water production

Total over the months shown

6,956 bbl

Months filed

331

Month	Water (bbl)
May 2026	0
Apr 2026	0
Mar 2026	0
Feb 2026	0
Jan 2026	0
Dec 2025	0
Nov 2025	0
Oct 2025	0
Sep 2025	0
Aug 2025	0
Jul 2025	0
Jun 2025	0
May 2025	0
Apr 2025	0
Mar 2025	0
Feb 2025	0
Jan 2025	0
Dec 2024	0
Nov 2024	0
Oct 2024	0
Sep 2024	0
Aug 2024	0
Jul 2024	0
Jun 2024	0
May 2024	0
Apr 2024	0
Mar 2024	0
Feb 2024	0
Jan 2024	0
Dec 2023	0
Nov 2023	0
Oct 2023	20
Sep 2023	40
Aug 2023	15
Jul 2023	35
Jun 2023	30
May 2023	47
Apr 2023	20
Mar 2023	36
Feb 2023	15
Jan 2023	47
Dec 2022	20
Nov 2022	15
Oct 2022	39
Sep 2022	30
Aug 2022	35
Jul 2022	20
Jun 2022	40
May 2022	30
Apr 2022	30
Mar 2022	35
Feb 2022	40
Jan 2022	25
Dec 2021	35
Nov 2021	35
Oct 2021	15
Sep 2021	45
Aug 2021	30
Jul 2021	40
Jun 2021	65
May 2021	25
Apr 2021	40
Mar 2021	30
Feb 2021	20
Jan 2021	40
Dec 2020	35
Nov 2020	20
Oct 2020	40
Sep 2020	20
Aug 2020	30
Jul 2020	40
Jun 2020	40
May 2020	20
Apr 2020	35
Mar 2020	31
Feb 2020	41
Jan 2020	40
Dec 2019	24
Nov 2019	30
Oct 2019	131
Sep 2019	35
Aug 2019	20
Jul 2019	45
Jun 2019	35
May 2019	30
Apr 2019	30
Mar 2019	26
Feb 2019	17
Jan 2019	45
Dec 2018	20
Nov 2018	17
Oct 2018	47
Sep 2018	15
Aug 2018	45
Jul 2018	35
Jun 2018	20
May 2018	35
Apr 2018	0
Mar 2018	45
Feb 2018	32
Jan 2018	20
Dec 2017	28
Nov 2017	38
Oct 2017	21
Sep 2017	0
Aug 2017	0
Jul 2017	0
Jun 2017	0
May 2017	0
Apr 2017	15
Mar 2017	60
Feb 2017	15
Jan 2017	30
Dec 2016	32
Nov 2016	—
Oct 2016	29
Sep 2016	15
Aug 2016	40
Jul 2016	30
Jun 2016	20
May 2016	53
Apr 2016	—
Mar 2016	57
Feb 2016	—
Jan 2016	30
Dec 2015	57
Nov 2015	20
Oct 2015	—
Sep 2015	20
Aug 2015	10
Jul 2015	65
Jun 2015	18
May 2015	5
Apr 2015	30
Mar 2015	—
Feb 2015	63
Jan 2015	17
Dec 2014	36
Nov 2014	15
Oct 2014	24
Sep 2014	18
Aug 2014	41
Jul 2014	20
Jun 2014	21
May 2014	28
Apr 2014	5
Mar 2014	20
Feb 2014	36
Jan 2014	—
Dec 2013	24
Nov 2013	39
Oct 2013	8
Sep 2013	25
Aug 2013	43
Jul 2013	30
Jun 2013	0
May 2013	37
Apr 2013	25
Mar 2013	53
Feb 2013	0
Jan 2013	26
Dec 2012	20
Nov 2012	20
Oct 2012	32
Sep 2012	34
Aug 2012	16
Jul 2012	22
Jun 2012	20
May 2012	43
Apr 2012	20
Mar 2012	25
Feb 2012	26
Jan 2012	31
Dec 2011	20
Nov 2011	30
Oct 2011	31
Sep 2011	9
Aug 2011	40
Jul 2011	15
Jun 2011	40
May 2011	22
Apr 2011	20
Mar 2011	—
Feb 2011	25
Jan 2011	25
Dec 2010	37
Nov 2010	41
Oct 2010	20
Sep 2010	15
Aug 2010	40
Jul 2010	42
Jun 2010	35
May 2010	35
Apr 2010	35
Mar 2010	20
Feb 2010	25
Jan 2010	20
Dec 2009	46
Nov 2009	31
Oct 2009	45
Sep 2009	35
Aug 2009	21
Jul 2009	47
Jun 2009	36
May 2009	23
Apr 2009	15
Mar 2009	20
Feb 2009	15
Jan 2009	22
Dec 2008	25
Nov 2008	50
Oct 2008	25
Sep 2008	20
Aug 2008	35
Jul 2008	25
Jun 2008	25
May 2008	25
Apr 2008	33
Mar 2008	10
Feb 2008	25
Jan 2008	25
Dec 2007	25
Nov 2007	25
Oct 2007	62
Sep 2007	—
Aug 2007	50
Jul 2007	25
Jun 2007	25
May 2007	—
Apr 2007	53
Mar 2007	25
Feb 2007	25
Jan 2007	20
Dec 2006	20
Nov 2006	30
Oct 2006	25
Sep 2006	25
Aug 2006	25
Jul 2006	25
Jun 2006	25
May 2006	45
Apr 2006	15
Mar 2006	20
Feb 2006	20
Jan 2006	40
Dec 2005	25
Nov 2005	—
Oct 2005	30
Sep 2005	30
Aug 2005	40
Jul 2005	21
Jun 2005	15
May 2005	25
Apr 2005	35
Mar 2005	25
Feb 2005	37
Jan 2005	20
Dec 2004	12
Nov 2004	25
Oct 2004	40
Sep 2004	25
Aug 2004	—
Jul 2004	—
Jun 2004	25
May 2004	25
Apr 2004	20
Mar 2004	12
Feb 2004	50
Jan 2004	25
Dec 2003	—
Nov 2003	25
Oct 2003	33
Sep 2003	44
Aug 2003	34
Jul 2003	22
Jun 2003	22
May 2003	—
Apr 2003	28
Mar 2003	—
Feb 2003	—
Jan 2003	24
Dec 2002	3
Nov 2002	3
Oct 2002	3
Sep 2002	3
Aug 2002	3
Jul 2002	3
Jun 2002	3
May 2002	3
Apr 2002	3
Mar 2002	3
Feb 2002	3
Jan 2002	3
Dec 2001	3
Nov 2001	3
Oct 2001	3
Sep 2001	3
Aug 2001	3
Jul 2001	3
Jun 2001	3
May 2001	3
Apr 2001	3
Mar 2001	3
Feb 2001	3
Jan 2001	3
Dec 2000	3
Nov 2000	3
Oct 2000	3
Sep 2000	3
Aug 2000	3
Jul 2000	3
Jun 2000	3
May 2000	3
Apr 2000	3
Mar 2000	3
Feb 2000	3
Jan 2000	3
Dec 1999	3
Nov 1999	3
Oct 1999	3
Sep 1999	3
Aug 1999	3
Jul 1999	3
Jun 1999	3
May 1999	3
Apr 1999	3
Mar 1999	3
Feb 1999	3
Jan 1999	3
Dec 1998	36
Dec 1997	35

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
OLDSCHEELER, EVA CAMINSKY & SPEGEL, L & J	1	Oil Well	MUSKEGON OPERATING COMPANY LLC	Producing	Mar 1945 — still

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 6579.