Headquarters Richfield SZ Unit - all tracts

Lease 19981 · ROSCOMMON County, Michigan · Headquarters field · Detroit River

OilWater1997–202611 wells

Operator (latest)

MUSKEGON OPERATING COMPANY LLC

Field

Headquarters

Formation

Detroit River

Field type (as filed)

First production

1997

Last production

2026

Operators

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

Operator	From	To
MUSKEGON OPERATING COMPANY LLC	Jan 2022	May 2026
MUSKEGON DEVELOPMENT COMPANY	Jan 1997	Dec 2021

Monthly oil production

353 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Jan 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

191,983 bbl

Months filed

353

Month	Oil (bbl)
May 2026	0
Apr 2026	0
Mar 2026	0
Feb 2026	0
Jan 2026	0
Dec 2025	20
Nov 2025	0
Oct 2025	97
Sep 2025	119
Aug 2025	135
Jul 2025	187
Jun 2025	209
May 2025	132
Apr 2025	189
Mar 2025	177
Feb 2025	160
Jan 2025	187
Dec 2024	209
Nov 2024	188
Oct 2024	161
Sep 2024	157
Aug 2024	182
Jul 2024	182
Jun 2024	193
May 2024	205
Apr 2024	185
Mar 2024	201
Feb 2024	201
Jan 2024	207
Dec 2023	266
Nov 2023	186
Oct 2023	137
Sep 2023	219
Aug 2023	169
Jul 2023	188
Jun 2023	208
May 2023	172
Apr 2023	232
Mar 2023	248
Feb 2023	204
Jan 2023	194
Dec 2022	242
Nov 2022	195
Oct 2022	209
Sep 2022	255
Aug 2022	217
Jul 2022	230
Jun 2022	260
May 2022	236
Apr 2022	267
Mar 2022	253
Feb 2022	3
Jan 2022	0
Dec 2021	12
Nov 2021	122
Oct 2021	291
Sep 2021	282
Aug 2021	321
Jul 2021	355
Jun 2021	325
May 2021	335
Apr 2021	345
Mar 2021	210
Feb 2021	227
Jan 2021	246
Dec 2020	293
Nov 2020	231
Oct 2020	265
Sep 2020	365
Aug 2020	358
Jul 2020	406
Jun 2020	359
May 2020	330
Apr 2020	361
Mar 2020	363
Feb 2020	391
Jan 2020	320
Dec 2019	335
Nov 2019	351
Oct 2019	345
Sep 2019	329
Aug 2019	265
Jul 2019	129
Jun 2019	370
May 2019	281
Apr 2019	281
Mar 2019	387
Feb 2019	288
Jan 2019	341
Dec 2018	416
Nov 2018	497
Oct 2018	522
Sep 2018	601
Aug 2018	722
Jul 2018	360
Jun 2018	78
May 2018	142
Apr 2018	123
Mar 2018	129
Feb 2018	243
Jan 2018	428
Dec 2017	303
Nov 2017	280
Oct 2017	336
Sep 2017	391
Aug 2017	494
Jul 2017	501
Jun 2017	659
May 2017	404
Apr 2017	278
Mar 2017	381
Feb 2017	725
Jan 2017	371
Dec 2016	623
Nov 2016	703
Oct 2016	688
Sep 2016	693
Aug 2016	734
Jul 2016	411
Jun 2016	349
May 2016	276
Apr 2016	376
Mar 2016	431
Feb 2016	378
Jan 2016	406
Dec 2015	400
Nov 2015	488
Oct 2015	773
Sep 2015	628
Aug 2015	491
Jul 2015	686
Jun 2015	736
May 2015	539
Apr 2015	435
Mar 2015	764
Feb 2015	605
Jan 2015	626
Dec 2014	760
Nov 2014	623
Oct 2014	685
Sep 2014	591
Aug 2014	723
Jul 2014	831
Jun 2014	541
May 2014	108
Apr 2014	491
Mar 2014	455
Feb 2014	375
Jan 2014	458
Dec 2013	501
Nov 2013	695
Oct 2013	478
Sep 2013	369
Aug 2013	686
Jul 2013	686
Jun 2013	648
May 2013	484
Apr 2013	390
Mar 2013	721
Feb 2013	533
Jan 2013	561
Dec 2012	739
Nov 2012	644
Oct 2012	864
Sep 2012	595
Aug 2012	588
Jul 2012	601
Jun 2012	614
May 2012	771
Apr 2012	638
Mar 2012	763
Feb 2012	698
Jan 2012	759
Dec 2011	556
Nov 2011	718
Oct 2011	691
Sep 2011	770
Aug 2011	736
Jul 2011	804
Jun 2011	786
May 2011	713
Apr 2011	661
Mar 2011	743
Feb 2011	673
Jan 2011	781
Dec 2010	721
Nov 2010	698
Oct 2010	853
Sep 2010	621
Aug 2010	778
Jul 2010	751
Jun 2010	695
May 2010	806
Apr 2010	826
Mar 2010	773
Feb 2010	693
Jan 2010	536
Dec 2009	770
Nov 2009	725
Oct 2009	808
Sep 2009	651
Aug 2009	644
Jul 2009	669
Jun 2009	634
May 2009	732
Apr 2009	616
Mar 2009	648
Feb 2009	721
Jan 2009	692
Dec 2008	901
Nov 2008	895
Oct 2008	866
Sep 2008	491
Aug 2008	378
Jul 2008	718
Jun 2008	703
May 2008	693
Apr 2008	582
Mar 2008	589
Feb 2008	643
Jan 2008	741
Dec 2007	686
Nov 2007	721
Oct 2007	708
Sep 2007	669
Aug 2007	831
Jul 2007	781
Jun 2007	785
May 2007	873
Apr 2007	804
Mar 2007	891
Feb 2007	743
Jan 2007	868
Dec 2006	833
Nov 2006	823
Oct 2006	831
Sep 2006	808
Aug 2006	856
Jul 2006	801
Jun 2006	818
May 2006	791
Apr 2006	806
Mar 2006	864
Feb 2006	781
Jan 2006	814
Dec 2005	878
Nov 2005	843
Oct 2005	868
Sep 2005	829
Aug 2005	951
Jul 2005	943
Jun 2005	880
May 2005	881
Apr 2005	593
Mar 2005	1,011
Feb 2005	458
Jan 2005	0
Dec 2004	785
Nov 2004	806
Oct 2004	850
Sep 2004	776
Aug 2004	823
Jul 2004	823
Jun 2004	884
May 2004	792
Apr 2004	830
Mar 2004	869
Feb 2004	775
Jan 2004	854
Dec 2003	968
Nov 2003	736
Oct 2003	901
Sep 2003	826
Aug 2003	823
Jul 2003	1,015
Jun 2003	642
May 2003	803
Apr 2003	912
Mar 2003	851
Feb 2003	805
Jan 2003	948
Dec 2002	903
Nov 2002	911
Oct 2002	831
Sep 2002	855
Aug 2002	784
Jul 2002	900
Jun 2002	854
May 2002	715
Apr 2002	856
Mar 2002	846
Feb 2002	808
Jan 2002	913
Dec 2001	804
Nov 2001	858
Oct 2001	924
Sep 2001	648
Aug 2001	726
Jul 2001	571
Jun 2001	614
May 2001	655
Apr 2001	615
Mar 2001	681
Feb 2001	603
Jan 2001	681
Dec 2000	633
Nov 2000	643
Oct 2000	668
Sep 2000	638
Aug 2000	635
Jul 2000	574
Jun 2000	619
May 2000	549
Apr 2000	533
Mar 2000	504
Feb 2000	609
Jan 2000	516
Dec 1999	382
Nov 1999	486
Oct 1999	581
Sep 1999	581
Aug 1999	481
Jul 1999	500
Jun 1999	540
May 1999	538
Apr 1999	493
Mar 1999	546
Feb 1999	499
Jan 1999	575
Dec 1998	588
Nov 1998	621
Oct 1998	626
Sep 1998	633
Aug 1998	661
Jul 1998	631
Jun 1998	555
May 1998	411
Apr 1998	590
Mar 1998	618
Feb 1998	571
Jan 1998	646
Dec 1997	625
Nov 1997	608
Oct 1997	598
Sep 1997	556
Aug 1997	621
Jul 1997	417
Jun 1997	555
May 1997	471
Apr 1997	571
Mar 1997	633
Feb 1997	543
Jan 1997	666

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

Monthly water production

Total over the months shown

85,635 bbl

Months filed

353

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	7
Sep 2025	136
Aug 2025	2
Jul 2025	189
Jun 2025	220
May 2025	24
Apr 2025	10
Mar 2025	25
Feb 2025	17
Jan 2025	21
Dec 2024	35
Nov 2024	123
Oct 2024	235
Sep 2024	253
Aug 2024	275
Jul 2024	301
Jun 2024	286
May 2024	295
Apr 2024	203
Mar 2024	88
Feb 2024	88
Jan 2024	42
Dec 2023	101
Nov 2023	345
Oct 2023	179
Sep 2023	314
Aug 2023	387
Jul 2023	477
Jun 2023	435
May 2023	430
Apr 2023	323
Mar 2023	59
Feb 2023	75
Jan 2023	72
Dec 2022	110
Nov 2022	185
Oct 2022	312
Sep 2022	420
Aug 2022	396
Jul 2022	395
Jun 2022	473
May 2022	392
Apr 2022	451
Mar 2022	237
Feb 2022	20
Jan 2022	84
Dec 2021	28
Nov 2021	168
Oct 2021	166
Sep 2021	112
Aug 2021	109
Jul 2021	819
Jun 2021	1,069
May 2021	274
Apr 2021	700
Mar 2021	545
Feb 2021	585
Jan 2021	599
Dec 2020	827
Nov 2020	611
Oct 2020	673
Sep 2020	724
Aug 2020	743
Jul 2020	882
Jun 2020	1,012
May 2020	291
Apr 2020	796
Mar 2020	801
Feb 2020	773
Jan 2020	725
Dec 2019	78
Nov 2019	113
Oct 2019	240
Sep 2019	1,408
Aug 2019	1,844
Jul 2019	833
Jun 2019	984
May 2019	300
Apr 2019	78
Mar 2019	68
Feb 2019	109
Jan 2019	293
Dec 2018	283
Nov 2018	203
Oct 2018	186
Sep 2018	220
Aug 2018	312
Jul 2018	382
Jun 2018	115
May 2018	128
Apr 2018	92
Mar 2018	98
Feb 2018	303
Jan 2018	160
Dec 2017	143
Nov 2017	89
Oct 2017	106
Sep 2017	90
Aug 2017	158
Jul 2017	221
Jun 2017	257
May 2017	197
Apr 2017	73
Mar 2017	136
Feb 2017	317
Jan 2017	115
Dec 2016	175
Nov 2016	419
Oct 2016	304
Sep 2016	287
Aug 2016	230
Jul 2016	211
Jun 2016	214
May 2016	56
Apr 2016	90
Mar 2016	93
Feb 2016	143
Jan 2016	163
Dec 2015	40
Nov 2015	182
Oct 2015	121
Sep 2015	169
Aug 2015	0
Jul 2015	158
Jun 2015	227
May 2015	156
Apr 2015	38
Mar 2015	230
Feb 2015	160
Jan 2015	173
Dec 2014	193
Nov 2014	161
Oct 2014	168
Sep 2014	187
Aug 2014	190
Jul 2014	207
Jun 2014	172
May 2014	80
Apr 2014	225
Mar 2014	21
Feb 2014	28
Jan 2014	11
Dec 2013	95
Nov 2013	176
Oct 2013	130
Sep 2013	118
Aug 2013	190
Jul 2013	172
Jun 2013	203
May 2013	171
Apr 2013	28
Mar 2013	140
Feb 2013	116
Jan 2013	125
Dec 2012	168
Nov 2012	178
Oct 2012	230
Sep 2012	186
Aug 2012	125
Jul 2012	138
Jun 2012	140
May 2012	212
Apr 2012	182
Mar 2012	180
Feb 2012	158
Jan 2012	153
Dec 2011	100
Nov 2011	143
Oct 2011	168
Sep 2011	135
Aug 2011	158
Jul 2011	188
Jun 2011	116
May 2011	170
Apr 2011	193
Mar 2011	123
Feb 2011	121
Jan 2011	117
Dec 2010	218
Nov 2010	217
Oct 2010	103
Sep 2010	164
Aug 2010	167
Jul 2010	94
Jun 2010	101
May 2010	181
Apr 2010	152
Mar 2010	161
Feb 2010	90
Jan 2010	133
Dec 2009	93
Nov 2009	129
Oct 2009	172
Sep 2009	3,275
Aug 2009	3,214
Jul 2009	2,710
Jun 2009	3,027
May 2009	2,319
Apr 2009	2,812
Mar 2009	3,673
Feb 2009	3,258
Jan 2009	2,930
Dec 2008	73
Nov 2008	101
Oct 2008	152
Sep 2008	169
Aug 2008	23
Jul 2008	24
Jun 2008	33
May 2008	42
Apr 2008	16
Mar 2008	0
Feb 2008	5
Jan 2008	11
Dec 2007	8
Nov 2007	8
Oct 2007	48
Sep 2007	62
Aug 2007	42
Jul 2007	33
Jun 2007	32
May 2007	65
Apr 2007	36
Mar 2007	42
Feb 2007	11
Jan 2007	31
Dec 2006	48
Nov 2006	59
Oct 2006	40
Sep 2006	76
Aug 2006	49
Jul 2006	45
Jun 2006	39
May 2006	53
Apr 2006	50
Mar 2006	50
Feb 2006	36
Jan 2006	50
Dec 2005	50
Nov 2005	65
Oct 2005	53
Sep 2005	53
Aug 2005	65
Jul 2005	59
Jun 2005	76
May 2005	78
Apr 2005	134
Mar 2005	46
Feb 2005	46
Jan 2005	0
Dec 2004	41
Nov 2004	34
Oct 2004	99
Sep 2004	104
Aug 2004	95
Jul 2004	613
Jun 2004	626
May 2004	125
Apr 2004	76
Mar 2004	111
Feb 2004	69
Jan 2004	63
Dec 2003	165
Nov 2003	165
Oct 2003	165
Sep 2003	165
Aug 2003	165
Jul 2003	165
Jun 2003	165
May 2003	165
Apr 2003	165
Mar 2003	165
Feb 2003	165
Jan 2003	165
Dec 2002	165
Nov 2002	165
Oct 2002	165
Sep 2002	165
Aug 2002	165
Jul 2002	165
Jun 2002	165
May 2002	165
Apr 2002	165
Mar 2002	165
Feb 2002	165
Jan 2002	165
Dec 2001	50
Nov 2001	50
Oct 2001	50
Sep 2001	50
Aug 2001	50
Jul 2001	50
Jun 2001	50
May 2001	50
Apr 2001	50
Mar 2001	50
Feb 2001	50
Jan 2001	50
Dec 2000	50
Nov 2000	50
Oct 2000	50
Sep 2000	50
Aug 2000	50
Jul 2000	50
Jun 2000	50
May 2000	50
Apr 2000	50
Mar 2000	50
Feb 2000	50
Jan 2000	50
Dec 1999	50
Nov 1999	50
Oct 1999	50
Sep 1999	50
Aug 1999	50
Jul 1999	50
Jun 1999	50
May 1999	50
Apr 1999	50
Mar 1999	50
Feb 1999	50
Jan 1999	50
Dec 1998	50
Nov 1998	50
Oct 1998	50
Sep 1998	50
Aug 1998	50
Jul 1998	50
Jun 1998	50
May 1998	50
Apr 1998	50
Mar 1998	50
Feb 1998	50
Jan 1998	50
Dec 1997	—
Nov 1997	—
Oct 1997	—
Sep 1997	—
Aug 1997	—
Jul 1997	—
Jun 1997	—
May 1997	—
Apr 1997	—
Mar 1997	—
Feb 1997	—
Jan 1997	—

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

Wells on this lease

11 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
STATE	A-5	Oil Well	MUSKEGON OPERATING COMPANY LLC	Producing	Jan 1997 — still
STATE ROSCOMMON	RL-3	Oil Well	MUSKEGON DEVELOPMENT COMPANY	Plugging Completed	Jan 1997 — Aug 2014
STATE ROSCOMMON	2	Oil Well	MUSKEGON DEVELOPMENT COMPANY	Plugging Approved	Jan 1997 — Jun 2002
STATE ROSCOMMON	H-1	Oil Well	MUSKEGON DEVELOPMENT COMPANY	Plugging Approved	Jan 1997 — Jun 2002
STATE ROSCOMMON	1	Oil Well	MUSKEGON DEVELOPMENT COMPANY	Plugging Approved	Jan 1997 — Feb 2005
STATE ROSCOMMON	RL-1	Oil Well	MUSKEGON OPERATING COMPANY LLC	Producing	Jan 1997 — still
STATE ROSCOMMON	F-3	Oil Well	MUSKEGON DEVELOPMENT COMPANY	Plugging Approved	Jan 1997 — Feb 2005
STATE ROSCOMMON	FA-3	Oil Well	MUSKEGON DEVELOPMENT COMPANY	Plugging Completed	Jan 1997 — Oct 2019
STATE ROSCOMMON	3	Oil Well	MUSKEGON DEVELOPMENT COMPANY	Plugging Approved	Jan 1997 — Feb 2005
STATE ROSCOMMON	F-4	Oil Well	MUSKEGON DEVELOPMENT COMPANY	Plugging Approved	Jan 1997 — Feb 2005
STATE ROSCOMMON	F-8	Oil Well	MUSKEGON DEVELOPMENT COMPANY	Plugging Approved	Jan 1997 — Feb 2005

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 19981.