Moldenhauser unit

Lease 19935 · SAINT CLAIR County, Michigan · Adair field · Brown Niagaran

OilWater1997–20252 wells

Operator

SAPPINGTON WALTER B DIANNE M

Field

Adair

Formation

Brown Niagaran

Field type (as filed)

First production

1997

Last production

2025

Monthly oil production

259 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Dec 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

4,981 bbl

Months filed

259

Month	Oil (bbl)
Dec 2025	1
Nov 2025	0
Oct 2025	0
Sep 2025	1
Aug 2025	1
Jul 2025	0
Jun 2025	2
May 2025	1
Apr 2025	0
Mar 2025	0
Feb 2025	1
Jan 2025	0
Dec 2024	1
Nov 2024	1
Oct 2024	0
Sep 2024	2
Aug 2024	0
Jul 2024	1
Jun 2024	2
May 2024	1
Apr 2024	2
Mar 2024	2
Feb 2024	0
Jan 2024	0
Dec 2023	0
Nov 2023	0
Oct 2023	0
Sep 2023	0
Aug 2023	0
Jul 2023	0
Jun 2023	0
May 2023	0
Apr 2023	0
Mar 2023	0
Feb 2023	0
Jan 2023	0
Dec 2022	0
Nov 2022	0
Oct 2022	0
Sep 2022	0
Aug 2022	0
Jul 2022	0
Jun 2022	0
May 2022	0
Apr 2022	0
Mar 2022	0
Feb 2022	0
Jan 2022	0
Dec 2020	0
Nov 2020	0
Oct 2020	0
Sep 2020	0
Aug 2020	0
Jul 2020	0
Jun 2020	0
May 2020	0
Apr 2020	0
Mar 2020	10
Feb 2020	10
Jan 2020	5
Dec 2019	0
Nov 2019	0
Oct 2019	0
Sep 2019	20
Aug 2019	46
Jul 2019	15
Jun 2019	10
May 2019	10
Apr 2019	5
Mar 2019	0
Feb 2019	0
Jan 2019	0
Dec 2018	0
Nov 2018	10
Oct 2018	10
Sep 2018	0
Aug 2018	10
Jul 2018	10
Jun 2018	37
May 2018	35
Apr 2018	25
Mar 2018	10
Feb 2018	25
Jan 2018	10
Dec 2017	36
Nov 2017	23
Oct 2017	35
Sep 2017	45
Aug 2017	26
Jul 2017	40
Jun 2017	68
May 2017	55
Apr 2017	40
Mar 2017	67
Feb 2017	73
Jan 2017	0
Dec 2016	15
Nov 2016	5
Oct 2016	10
Sep 2016	0
Aug 2016	0
Jul 2016	0
Jun 2016	0
May 2016	0
Apr 2016	0
Mar 2016	0
Feb 2016	0
Jan 2016	0
Dec 2015	0
Nov 2015	0
Oct 2015	0
Sep 2015	0
Aug 2015	0
Jul 2015	0
Jun 2015	0
May 2015	0
Apr 2015	0
Mar 2015	0
Feb 2015	10
Jan 2015	0
Dec 2014	12
Nov 2014	13
Oct 2014	20
Sep 2014	13
Aug 2014	10
Jul 2014	17
Jun 2014	22
May 2014	16
Apr 2014	16
Mar 2014	2
Feb 2014	13
Jan 2014	10
Dec 2013	13
Nov 2013	26
Oct 2013	21
Sep 2013	12
Aug 2013	5
Jul 2013	28
Jun 2013	30
May 2013	22
Apr 2013	35
Mar 2013	31
Feb 2013	19
Jan 2013	30
Dec 2012	38
Nov 2012	29
Oct 2012	21
Sep 2012	28
Aug 2012	22
Jul 2012	32
Jun 2012	22
May 2012	56
Apr 2012	30
Mar 2012	25
Feb 2012	37
Jan 2012	32
Dec 2011	43
Nov 2011	29
Oct 2011	42
Sep 2011	26
Aug 2011	41
Jul 2011	20
Jun 2011	32
May 2011	31
Apr 2011	47
Mar 2011	45
Feb 2011	22
Jan 2011	30
Dec 2010	27
Nov 2010	22
Oct 2010	25
Sep 2010	25
Aug 2010	28
Jul 2010	32
Jun 2010	34
May 2010	31
Apr 2010	33
Mar 2010	48
Feb 2010	38
Jan 2010	25
Dec 2009	22
Nov 2009	45
Oct 2009	33
Sep 2009	25
Aug 2009	18
Jul 2009	24
Jun 2009	37
May 2009	30
Apr 2009	38
Mar 2009	38
Feb 2009	24
Jan 2009	25
Dec 2008	11
Nov 2008	34
Oct 2008	13
Sep 2008	49
Aug 2008	7
Jul 2008	74
Jun 2008	40
May 2008	53
Apr 2008	94
Mar 2008	30
Feb 2008	29
Jan 2008	31
Dec 2007	38
Nov 2007	31
Oct 2007	35
Sep 2007	48
Aug 2007	49
Jul 2007	58
Jun 2007	18
May 2007	48
Apr 2007	59
Mar 2007	49
Feb 2007	25
Jan 2007	23
Dec 2006	46
Nov 2006	41
Oct 2006	26
Sep 2006	39
Aug 2006	49
Jul 2006	28
Jun 2006	53
May 2006	57
Apr 2006	46
Mar 2006	35
Feb 2006	26
Jan 2006	24
Dec 2005	0
Nov 2005	55
Oct 2005	31
Sep 2005	30
Aug 2005	40
Jul 2005	48
Jun 2005	105
May 2005	46
Apr 2005	30
Mar 2005	29
Feb 2005	32
Jan 2005	60
Dec 2004	12
Nov 2004	22
Oct 2004	24
Sep 2004	20
Aug 2004	12
Jul 2004	12
Jun 2004	0
May 2004	15
Apr 2004	0
Mar 2004	9
Feb 2004	12
Jan 2004	5
Dec 2003	45
Dec 2002	20
Dec 2001	7
Dec 2000	7
Dec 1999	7
Dec 1998	7
Dec 1997	0

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

Monthly water production

Total over the months shown

34,036 bbl

Months filed

259

Month	Water (bbl)
Dec 2025	19
Nov 2025	12
Oct 2025	0
Sep 2025	19
Aug 2025	15
Jul 2025	16
Jun 2025	18
May 2025	13
Apr 2025	3
Mar 2025	9
Feb 2025	18
Jan 2025	12
Dec 2024	19
Nov 2024	16
Oct 2024	19
Sep 2024	16
Aug 2024	19
Jul 2024	16
Jun 2024	12
May 2024	12
Apr 2024	12
Mar 2024	12
Feb 2024	7
Jan 2024	0
Dec 2023	0
Nov 2023	0
Oct 2023	0
Sep 2023	0
Aug 2023	0
Jul 2023	0
Jun 2023	0
May 2023	0
Apr 2023	0
Mar 2023	0
Feb 2023	0
Jan 2023	0
Dec 2022	0
Nov 2022	0
Oct 2022	0
Sep 2022	0
Aug 2022	0
Jul 2022	0
Jun 2022	0
May 2022	0
Apr 2022	0
Mar 2022	0
Feb 2022	0
Jan 2022	0
Dec 2020	0
Nov 2020	0
Oct 2020	0
Sep 2020	0
Aug 2020	0
Jul 2020	0
Jun 2020	0
May 2020	0
Apr 2020	0
Mar 2020	25
Feb 2020	25
Jan 2020	25
Dec 2019	0
Nov 2019	0
Oct 2019	0
Sep 2019	150
Aug 2019	150
Jul 2019	150
Jun 2019	150
May 2019	100
Apr 2019	100
Mar 2019	0
Feb 2019	0
Jan 2019	0
Dec 2018	0
Nov 2018	150
Oct 2018	150
Sep 2018	150
Aug 2018	150
Jul 2018	150
Jun 2018	150
May 2018	150
Apr 2018	150
Mar 2018	150
Feb 2018	150
Jan 2018	150
Dec 2017	150
Nov 2017	200
Oct 2017	150
Sep 2017	150
Aug 2017	200
Jul 2017	150
Jun 2017	200
May 2017	150
Apr 2017	150
Mar 2017	150
Feb 2017	150
Jan 2017	0
Dec 2016	150
Nov 2016	150
Oct 2016	150
Sep 2016	0
Aug 2016	0
Jul 2016	0
Jun 2016	0
May 2016	0
Apr 2016	0
Mar 2016	0
Feb 2016	0
Jan 2016	0
Dec 2015	0
Nov 2015	0
Oct 2015	0
Sep 2015	0
Aug 2015	0
Jul 2015	0
Jun 2015	0
May 2015	0
Apr 2015	0
Mar 2015	0
Feb 2015	150
Jan 2015	0
Dec 2014	215
Nov 2014	215
Oct 2014	235
Sep 2014	220
Aug 2014	225
Jul 2014	200
Jun 2014	230
May 2014	230
Apr 2014	230
Mar 2014	100
Feb 2014	215
Jan 2014	225
Dec 2013	100
Nov 2013	175
Oct 2013	150
Sep 2013	105
Aug 2013	50
Jul 2013	200
Jun 2013	210
May 2013	200
Apr 2013	220
Mar 2013	215
Feb 2013	150
Jan 2013	215
Dec 2012	230
Nov 2012	205
Oct 2012	192
Sep 2012	210
Aug 2012	190
Jul 2012	210
Jun 2012	200
May 2012	250
Apr 2012	240
Mar 2012	200
Feb 2012	230
Jan 2012	210
Dec 2011	250
Nov 2011	185
Oct 2011	250
Sep 2011	125
Aug 2011	260
Jul 2011	140
Jun 2011	200
May 2011	210
Apr 2011	240
Mar 2011	250
Feb 2011	110
Jan 2011	200
Dec 2010	180
Nov 2010	175
Oct 2010	190
Sep 2010	185
Aug 2010	210
Jul 2010	226
Jun 2010	230
May 2010	225
Apr 2010	228
Mar 2010	250
Feb 2010	220
Jan 2010	185
Dec 2009	185
Nov 2009	250
Oct 2009	230
Sep 2009	185
Aug 2009	56
Jul 2009	230
Jun 2009	178
May 2009	160
Apr 2009	90
Mar 2009	118
Feb 2009	125
Jan 2009	160
Dec 2008	50
Nov 2008	105
Oct 2008	75
Sep 2008	190
Aug 2008	50
Jul 2008	225
Jun 2008	175
May 2008	200
Apr 2008	250
Mar 2008	115
Feb 2008	105
Jan 2008	110
Dec 2007	140
Nov 2007	140
Oct 2007	285
Sep 2007	170
Aug 2007	190
Jul 2007	140
Jun 2007	182
May 2007	100
Apr 2007	168
Mar 2007	126
Feb 2007	112
Jan 2007	136
Dec 2006	195
Nov 2006	210
Oct 2006	200
Sep 2006	270
Aug 2006	190
Jul 2006	120
Jun 2006	140
May 2006	100
Apr 2006	170
Mar 2006	340
Feb 2006	206
Jan 2006	256
Dec 2005	0
Nov 2005	256
Oct 2005	322
Sep 2005	200
Aug 2005	282
Jul 2005	592
Jun 2005	848
May 2005	600
Apr 2005	200
Mar 2005	326
Feb 2005	400
Jan 2005	500
Dec 2004	100
Nov 2004	462
Oct 2004	575
Sep 2004	678
Aug 2004	812
Jul 2004	280
Jun 2004	0
May 2004	182
Apr 2004	0
Mar 2004	168
Feb 2004	280
Jan 2004	70
Dec 2003	370
Dec 2002	250
Dec 2001	0
Dec 2000	40
Dec 1999	40
Dec 1998	40
Dec 1997	0

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

Wells on this lease

2 wells 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
MOLDENHAUER, ROLAND H	2	Oil Well	SAPPINGTON WALTER B DIANNE M	Producing	Jan 1997 — still
MOLDENHAUER, ROLAND H	1	Oil Well	SAPPINGTON WALTER B DIANNE M	Shut_In	Jan 1997 — still

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 19935.