STATE GRANDMASON 1

Lease 6580 · BAY County, Michigan · Essexville field · Dundee

OilWater1997–20261 well
Operator (latest)
MUSKEGON OPERATING COMPANY LLC
Formation
Dundee
Field type (as filed)
O
First production
1997
Last production
2026

Operators

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

OperatorFromTo
MUSKEGON OPERATING COMPANY LLCApr 2026May 2026
MILLER ENERGY COMPANY II LLCJan 2015Mar 2026
SUMMIT ESSEXVILLE INCJan 1997Dec 2014

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
11,177 bbl
Months filed
353

The Michigan Department of Environment, Great Lakes, and Energy records first production from this unit in 1946, and the monthly series below begins in Jan 1997. The total above covers the months shown, not the life of the unit.

MonthOil (bbl)
May 20260
Apr 20260
Mar 2026-3
Feb 20260
Jan 2026-59
Dec 202544
Nov 202534
Oct 202527
Sep 202534
Aug 202533
Jul 202537
Jun 202540
May 202536
Apr 20250
Mar 20258
Feb 202529
Jan 202527
Dec 202427
Nov 202424
Oct 202429
Sep 202425
Aug 202430
Jul 202429
Jun 202439
May 202424
Apr 202425
Mar 202427
Feb 202427
Jan 202425
Dec 202329
Nov 202325
Oct 202325
Sep 202327
Aug 202329
Jul 202332
Jun 202332
May 202329
Apr 202329
Mar 202329
Feb 202329
Jan 202334
Dec 202239
Nov 202230
Oct 202237
Sep 202240
Aug 2022141
Jul 202266
Jun 202242
May 20220
Apr 20220
Mar 20220
Feb 20220
Jan 20220
Dec 20210
Nov 20212
Oct 202129
Sep 202124
Aug 202132
Jul 202129
Jun 202137
May 202122
Apr 202124
Mar 202145
Feb 20218
Jan 202130
Dec 202037
Nov 202020
Oct 202025
Sep 202025
Aug 202020
Jul 202030
Jun 202034
May 202025
Apr 202032
Mar 202030
Feb 20208
Jan 20202
Dec 20192
Nov 2019102
Oct 20190
Sep 201937
Aug 201924
Jul 201932
Jun 201929
May 201930
Apr 201930
Mar 201933
Feb 201927
Jan 201926
Dec 201830
Nov 201832
Oct 201837
Sep 201822
Aug 201818
Jul 20180
Jun 201866
May 201840
Apr 201830
Mar 201832
Feb 201820
Jan 201844
Dec 201734
Nov 201740
Oct 201740
Sep 201710
Aug 20177
Jul 201724
Jun 201722
May 201734
Apr 201730
Mar 201724
Feb 201729
Jan 201742
Dec 201642
Nov 201627
Oct 201630
Sep 201620
Aug 20160
Jul 20160
Jun 201632
May 201628
Apr 201628
Mar 201630
Feb 201632
Jan 201627
Dec 201534
Nov 201531
Oct 201520
Sep 201530
Aug 201532
Jul 201527
Jun 201540
May 201524
Apr 201520
Mar 201550
Feb 201528
Jan 201532
Dec 201440
Nov 201424
Oct 201420
Sep 201427
Aug 201429
Jul 201434
Jun 201440
May 201432
Apr 201435
Mar 20147
Feb 201430
Jan 20140
Dec 20130
Nov 20130
Oct 2013135
Sep 20139
Aug 201340
Jul 201330
Jun 201334
May 201327
Apr 201345
Mar 201344
Feb 201310
Jan 20130
Dec 20120
Nov 201225
Oct 201241
Sep 201212
Aug 201250
Jul 201255
Jun 201211
May 201227
Apr 201245
Mar 201245
Feb 201230
Jan 20120
Dec 201151
Nov 201140
Oct 201134
Sep 201120
Aug 201119
Jul 201152
Jun 201122
May 201149
Apr 201147
Mar 201149
Feb 201142
Jan 201132
Dec 20100
Nov 201011
Oct 201023
Sep 201013
Aug 201072
Jul 201013
Jun 201031
May 201035
Apr 201021
Mar 201042
Feb 201015
Jan 201042
Dec 200934
Nov 200933
Oct 200942
Sep 200916
Aug 200942
Jul 200921
Jun 200930
May 200927
Apr 200930
Mar 200947
Feb 200928
Jan 200924
Dec 200842
Nov 200825
Oct 200820
Sep 200841
Aug 200835
Jul 200852
Jun 200831
May 200814
Apr 200836
Mar 200833
Feb 200825
Jan 200851
Dec 200726
Nov 200721
Oct 200753
Sep 200724
Aug 200753
Jul 200725
Jun 200728
May 200745
Apr 200730
Mar 200758
Feb 200721
Jan 200734
Dec 200660
Nov 200642
Oct 200610
Sep 200613
Aug 200616
Jul 200648
Jun 200636
May 200626
Apr 200645
Mar 200611
Feb 200642
Jan 200630
Dec 200545
Nov 200531
Oct 200531
Sep 200550
Aug 200545
Jul 200521
Jun 200525
May 200548
Apr 200525
Mar 200548
Feb 200530
Jan 200559
Dec 200418
Nov 200449
Oct 200420
Sep 200463
Aug 200447
Jul 200450
Jun 200416
May 200450
Apr 200440
Mar 200442
Feb 200435
Jan 200455
Dec 200342
Nov 200361
Oct 200358
Sep 200366
Aug 200348
Jul 200357
Jun 200355
May 200340
Apr 200344
Mar 200375
Feb 200371
Jan 200330
Dec 200249
Nov 200225
Oct 200240
Sep 200235
Aug 200258
Jul 200249
Jun 200248
May 200253
Apr 200222
Mar 200253
Feb 200245
Jan 200236
Dec 200153
Nov 200155
Oct 200154
Sep 200165
Aug 200164
Jul 200145
Jun 20010
May 20010
Apr 20010
Mar 20010
Feb 20010
Jan 20010
Dec 20006
Nov 200017
Oct 200028
Sep 200026
Aug 200010
Jul 20005
Jun 200025
May 20005
Apr 200013
Mar 200023
Feb 200039
Jan 200028
Dec 199911
Nov 199940
Oct 199950
Sep 199913
Aug 199947
Jul 199950
Jun 199928
May 199940
Apr 199948
Mar 199958
Feb 199950
Jan 199918
Dec 199815
Nov 199845
Oct 199842
Sep 199848
Aug 199851
Jul 199850
Jun 199828
May 199821
Apr 1998108
Mar 199845
Feb 199840
Jan 199846
Dec 199716
Nov 1997107
Oct 19970
Sep 199730
Aug 199748
Jul 199749
Jun 199731
May 199726
Apr 199749
Mar 199723
Feb 199753
Jan 199730

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

Monthly water 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
31 bbl
Months filed
353
MonthWater (bbl)
May 202630
Apr 20260
Mar 20261
Feb 20260
Jan 20260
Dec 20250
Nov 20250
Oct 20250
Sep 20250
Aug 20250
Jul 20250
Jun 20250
May 20250
Apr 20250
Mar 20250
Feb 20250
Jan 20250
Dec 20240
Nov 20240
Oct 20240
Sep 20240
Aug 20240
Jul 20240
Jun 20240
May 20240
Apr 20240
Mar 20240
Feb 20240
Jan 20240
Dec 20230
Nov 20230
Oct 20230
Sep 20230
Aug 20230
Jul 20230
Jun 20230
May 20230
Apr 20230
Mar 20230
Feb 20230
Jan 20230
Dec 20220
Nov 20220
Oct 20220
Sep 20220
Aug 20220
Jul 20220
Jun 20220
May 20220
Apr 20220
Mar 20220
Feb 20220
Jan 20220
Dec 20210
Nov 20210
Oct 20210
Sep 20210
Aug 20210
Jul 20210
Jun 20210
May 20210
Apr 20210
Mar 20210
Feb 20210
Jan 20210
Dec 20200
Nov 20200
Oct 20200
Sep 20200
Aug 20200
Jul 20200
Jun 20200
May 20200
Apr 20200
Mar 20200
Feb 20200
Jan 20200
Dec 20190
Nov 20190
Oct 20190
Sep 20190
Aug 20190
Jul 20190
Jun 20190
May 20190
Apr 20190
Mar 20190
Feb 20190
Jan 20190
Dec 20180
Nov 20180
Oct 20180
Sep 20180
Aug 20180
Jul 20180
Jun 20180
May 20180
Apr 20180
Mar 20180
Feb 20180
Jan 20180
Dec 20170
Nov 20170
Oct 20170
Sep 20170
Aug 20170
Jul 20170
Jun 20170
May 20170
Apr 20170
Mar 20170
Feb 20170
Jan 20170
Dec 20160
Nov 20160
Oct 20160
Sep 20160
Aug 20160
Jul 20160
Jun 20160
May 20160
Apr 20160
Mar 20160
Feb 20160
Jan 20160
Dec 20150
Nov 20150
Oct 20150
Sep 20150
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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.

WellNo.TypeOperatorStatusIn the unit
STATE GRANDMASON1Oil WellMUSKEGON OPERATING COMPANY LLCProducingApr 1946 — still

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 6580.