WOBIG HEIRS "A" 1

Lease 5223 · OGEMAW County, Michigan · West Branch field · Dundee

OilWater1997–20261 well

Operator (latest)

LEASE MANAGEMENT INC

Field

West Branch

Formation

Dundee

Field type (as filed)

First production

1997

Last production

2026

Operators

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

Operator	From	To
LEASE MANAGEMENT INC	Nov 2017	Jun 2026
HENRY SAPPINGTON MACHINE & TOOL DBA HENRY SAPPINGT	Feb 2005	Oct 2017
SAPPINGTON HENRY	Jan 1997	Jan 2005

Monthly oil production

354 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Jan 1997 to Jun 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

10,634 bbl

Months filed

354

The Michigan Department of Environment, Great Lakes, and Energy records first production from this unit in 1934, 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)
Jun 2026	0
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	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 2021	0
Nov 2021	0
Oct 2021	0
Sep 2021	0
Aug 2021	0
Jul 2021	0
Jun 2021	0
May 2021	0
Apr 2021	0
Mar 2021	0
Feb 2021	0
Jan 2021	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	0
Feb 2020	0
Jan 2020	0
Dec 2019	0
Nov 2019	0
Oct 2019	0
Sep 2019	0
Aug 2019	0
Jul 2019	0
Jun 2019	0
May 2019	0
Apr 2019	0
Mar 2019	0
Feb 2019	0
Jan 2019	0
Dec 2018	0
Nov 2018	0
Oct 2018	0
Sep 2018	0
Aug 2018	0
Jul 2018	0
Jun 2018	0
May 2018	0
Apr 2018	0
Mar 2018	0
Feb 2018	0
Jan 2018	0
Dec 2017	0
Nov 2017	0
Oct 2017	0
Sep 2017	0
Aug 2017	0
Jul 2017	0
Jun 2017	0
May 2017	0
Apr 2017	0
Mar 2017	0
Feb 2017	0
Jan 2017	0
Dec 2016	0
Nov 2016	0
Oct 2016	0
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	-4
Mar 2015	112
Feb 2015	16
Jan 2015	0
Dec 2014	49
Nov 2014	0
Oct 2014	-22
Sep 2014	-8
Aug 2014	142
Jul 2014	-2
Jun 2014	9
May 2014	28
Apr 2014	-43
Mar 2014	153
Feb 2014	0
Jan 2014	0
Dec 2013	0
Nov 2013	59
Oct 2013	91
Sep 2013	34
Aug 2013	25
Jul 2013	77
Jun 2013	30
May 2013	-5
Apr 2013	117
Mar 2013	40
Feb 2013	0
Jan 2013	0
Dec 2012	58
Nov 2012	53
Oct 2012	40
Sep 2012	34
Aug 2012	59
Jul 2012	2
Jun 2012	26
May 2012	7
Apr 2012	35
Mar 2012	79
Feb 2012	-2
Jan 2012	132
Dec 2011	29
Nov 2011	37
Oct 2011	0
Sep 2011	-6
Aug 2011	179
Jul 2011	61
Jun 2011	67
May 2011	25
Apr 2011	118
Mar 2011	21
Feb 2011	103
Jan 2011	32
Dec 2010	0
Nov 2010	40
Oct 2010	119
Sep 2010	0
Aug 2010	60
Jul 2010	4
Jun 2010	58
May 2010	18
Apr 2010	58
Mar 2010	16
Feb 2010	60
Jan 2010	6
Dec 2009	78
Nov 2009	0
Oct 2009	0
Sep 2009	1
Aug 2009	0
Jul 2009	13
Jun 2009	49
May 2009	8
Apr 2009	0
Mar 2009	75
Feb 2009	66
Jan 2009	0
Dec 2008	-3
Nov 2008	18
Oct 2008	64
Sep 2008	0
Aug 2008	9
Jul 2008	76
Jun 2008	78
May 2008	63
Apr 2008	-6
Mar 2008	76
Feb 2008	10
Jan 2008	61
Dec 2007	13
Nov 2007	61
Oct 2007	-5
Sep 2007	76
Aug 2007	0
Jul 2007	0
Jun 2007	0
May 2007	0
Apr 2007	0
Mar 2007	0
Feb 2007	47
Jan 2007	78
Dec 2006	39
Nov 2006	68
Oct 2006	37
Sep 2006	59
Aug 2006	26
Jul 2006	2
Jun 2006	82
May 2006	0
Apr 2006	29
Mar 2006	0
Feb 2006	27
Jan 2006	0
Dec 2005	70
Nov 2005	46
Oct 2005	0
Sep 2005	25
Aug 2005	16
Jul 2005	15
Jun 2005	0
May 2005	16
Apr 2005	0
Mar 2005	0
Feb 2005	15
Jan 2005	0
Dec 2004	16
Nov 2004	0
Oct 2004	0
Sep 2004	87
Aug 2004	53
Jul 2004	77
Jun 2004	108
May 2004	65
Apr 2004	4
Mar 2004	108
Feb 2004	-14
Jan 2004	105
Dec 2003	77
Nov 2003	84
Oct 2003	54
Sep 2003	82
Aug 2003	94
Jul 2003	58
Jun 2003	65
May 2003	80
Apr 2003	42
Mar 2003	62
Feb 2003	86
Jan 2003	66
Dec 2002	58
Nov 2002	60
Oct 2002	65
Sep 2002	86
Aug 2002	87
Jul 2002	82
Jun 2002	69
May 2002	98
Apr 2002	85
Mar 2002	74
Feb 2002	78
Jan 2002	107
Dec 2001	39
Nov 2001	93
Oct 2001	92
Sep 2001	67
Aug 2001	94
Jul 2001	61
Jun 2001	78
May 2001	79
Apr 2001	90
Mar 2001	43
Feb 2001	31
Jan 2001	62
Dec 2000	87
Nov 2000	43
Oct 2000	80
Sep 2000	46
Aug 2000	85
Jul 2000	77
Jun 2000	62
May 2000	60
Apr 2000	79
Mar 2000	83
Feb 2000	94
Jan 2000	78
Dec 1999	82
Nov 1999	24
Oct 1999	77
Sep 1999	68
Aug 1999	84
Jul 1999	106
Jun 1999	74
May 1999	66
Apr 1999	66
Mar 1999	64
Feb 1999	39
Jan 1999	79
Dec 1998	94
Nov 1998	58
Oct 1998	115
Sep 1998	59
Aug 1998	79
Jul 1998	95
Jun 1998	94
May 1998	47
Apr 1998	63
Mar 1998	55
Feb 1998	26
Jan 1998	79
Dec 1997	50
Nov 1997	28
Oct 1997	68
Sep 1997	94
Aug 1997	63
Jul 1997	76
Jun 1997	63
May 1997	53
Apr 1997	48
Mar 1997	62
Feb 1997	50
Jan 1997	71

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

Monthly water production

Total over the months shown

77,001 bbl

Months filed

354

Month	Water (bbl)
Jun 2026	0
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	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 2021	0
Nov 2021	0
Oct 2021	0
Sep 2021	0
Aug 2021	0
Jul 2021	0
Jun 2021	0
May 2021	0
Apr 2021	0
Mar 2021	0
Feb 2021	0
Jan 2021	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	0
Feb 2020	0
Jan 2020	0
Dec 2019	0
Nov 2019	0
Oct 2019	0
Sep 2019	0
Aug 2019	0
Jul 2019	0
Jun 2019	0
May 2019	0
Apr 2019	0
Mar 2019	0
Feb 2019	0
Jan 2019	0
Dec 2018	0
Nov 2018	0
Oct 2018	0
Sep 2018	0
Aug 2018	0
Jul 2018	0
Jun 2018	0
May 2018	0
Apr 2018	0
Mar 2018	0
Feb 2018	0
Jan 2018	0
Dec 2017	0
Nov 2017	0
Oct 2017	0
Sep 2017	0
Aug 2017	0
Jul 2017	0
Jun 2017	0
May 2017	0
Apr 2017	0
Mar 2017	0
Feb 2017	0
Jan 2017	0
Dec 2016	—
Nov 2016	—
Oct 2016	—
Sep 2016	—
Aug 2016	—
Jul 2016	—
Jun 2016	—
May 2016	—
Apr 2016	—
Mar 2016	—
Feb 2016	—
Jan 2016	—
Dec 2015	—
Nov 2015	—
Oct 2015	—
Sep 2015	—
Aug 2015	—
Jul 2015	—
Jun 2015	—
May 2015	—
Apr 2015	—
Mar 2015	141
Feb 2015	248
Jan 2015	267
Dec 2014	338
Nov 2014	360
Oct 2014	398
Sep 2014	392
Aug 2014	400
Jul 2014	252
Jun 2014	276
May 2014	339
Apr 2014	260
Mar 2014	355
Feb 2014	300
Jan 2014	358
Dec 2013	355
Nov 2013	375
Oct 2013	453
Sep 2013	305
Aug 2013	368
Jul 2013	474
Jun 2013	401
May 2013	455
Apr 2013	411
Mar 2013	391
Feb 2013	0
Jan 2013	311
Dec 2012	423
Nov 2012	448
Oct 2012	492
Sep 2012	351
Aug 2012	488
Jul 2012	407
Jun 2012	408
May 2012	346
Apr 2012	395
Mar 2012	—
Feb 2012	436
Jan 2012	464
Dec 2011	512
Nov 2011	425
Oct 2011	586
Sep 2011	364
Aug 2011	341
Jul 2011	459
Jun 2011	419
May 2011	358
Apr 2011	228
Mar 2011	214
Feb 2011	309
Jan 2011	375
Dec 2010	456
Nov 2010	368
Oct 2010	576
Sep 2010	418
Aug 2010	229
Jul 2010	381
Jun 2010	371
May 2010	—
Apr 2010	341
Mar 2010	389
Feb 2010	270
Jan 2010	441
Dec 2009	500
Nov 2009	370
Oct 2009	404
Sep 2009	313
Aug 2009	369
Jul 2009	281
Jun 2009	206
May 2009	431
Apr 2009	448
Mar 2009	432
Feb 2009	440
Jan 2009	445
Dec 2008	325
Nov 2008	313
Oct 2008	200
Sep 2008	268
Aug 2008	398
Jul 2008	250
Jun 2008	130
May 2008	493
Apr 2008	331
Mar 2008	296
Feb 2008	300
Jan 2008	341
Dec 2007	188
Nov 2007	324
Oct 2007	394
Sep 2007	371
Aug 2007	450
Jul 2007	298
Jun 2007	413
May 2007	300
Apr 2007	418
Mar 2007	258
Feb 2007	192
Jan 2007	239
Dec 2006	323
Nov 2006	253
Oct 2006	423
Sep 2006	360
Aug 2006	382
Jul 2006	143
Jun 2006	454
May 2006	468
Apr 2006	626
Mar 2006	390
Feb 2006	540
Jan 2006	48
Dec 2005	320
Nov 2005	549
Oct 2005	533
Sep 2005	173
Aug 2005	352
Jul 2005	563
Jun 2005	549
May 2005	488
Apr 2005	366
Mar 2005	390
Feb 2005	381
Jan 2005	401
Dec 2004	—
Nov 2004	—
Oct 2004	—
Sep 2004	655
Aug 2004	459
Jul 2004	396
Jun 2004	380
May 2004	363
Apr 2004	479
Mar 2004	276
Feb 2004	811
Jan 2004	—
Dec 2003	800
Nov 2003	612
Oct 2003	688
Sep 2003	791
Aug 2003	—
Jul 2003	773
Jun 2003	813
May 2003	753
Apr 2003	607
Mar 2003	627
Feb 2003	338
Jan 2003	674
Dec 2002	548
Nov 2002	518
Oct 2002	813
Sep 2002	735
Aug 2002	1,086
Jul 2002	1,236
Jun 2002	1,363
May 2002	1,134
Apr 2002	1,211
Mar 2002	976
Feb 2002	1,133
Jan 2002	80
Dec 2001	755
Nov 2001	—
Oct 2001	933
Sep 2001	711
Aug 2001	810
Jul 2001	823
Jun 2001	1,097
May 2001	640
Apr 2001	797
Mar 2001	717
Feb 2001	443
Jan 2001	38
Dec 2000	34
Nov 2000	26
Oct 2000	21
Sep 2000	17
Aug 2000	16
Jul 2000	19
Jun 2000	10
May 2000	18
Apr 2000	18
Mar 2000	20
Feb 2000	16
Jan 2000	—
Dec 1999	13
Nov 1999	—
Oct 1999	16
Sep 1999	14
Aug 1999	13
Jul 1999	17
Jun 1999	21
May 1999	32
Apr 1999	21
Mar 1999	14
Feb 1999	12
Jan 1999	29
Dec 1998	35
Nov 1998	20
Oct 1998	1,945
Sep 1998	43
Aug 1998	44
Jul 1998	23
Jun 1998	28
May 1998	30
Apr 1998	29
Mar 1998	21
Feb 1998	12
Jan 1998	18
Dec 1997	32
Nov 1997	18
Oct 1997	30
Sep 1997	31
Aug 1997	67
Jul 1997	26
Jun 1997	30
May 1997	70
Apr 1997	22
Mar 1997	15
Feb 1997	10
Jan 1997	18

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
WOBIG HEIRS "A"	1	Oil Well	LEASE MANAGEMENT INC	Temporarily Abandoned	Sep 1934 — still

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 5223.