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Dover 35 unit Niagaran

Lease 20492 · OTSEGO County, Michigan · Dover 35 - 31N - 02W field · Brown Niagaran

OilWater2004–20266 wells
Operator (latest)
CORE ENERGY LLC
Field
Dover 35 - 31N - 02W
Formation
Brown Niagaran
Field type (as filed)
O
First production
2004
Last production
2026

Operators

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

OperatorFromTo
CORE ENERGY LLCJan 2006Jun 2026
DIAMOND PETROLEUM LLCMar 2004Dec 2005

Monthly oil production

267 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Mar 2004 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
564,970 bbl
Months filed
267
MonthOil (bbl)
Jun 20262,836
May 20262,419
Apr 20262,389
Mar 20262,255
Feb 20262,205
Jan 20262,655
Dec 20252,466
Nov 20252,923
Oct 20252,612
Sep 2025568
Aug 2025732
Jul 2025619
Jun 2025651
May 2025737
Apr 2025465
Mar 2025566
Feb 2025610
Jan 2025711
Dec 2024661
Nov 2024650
Oct 2024702
Sep 2024655
Aug 2024704
Jul 2024973
Jun 2024460
May 2024619
Apr 2024879
Mar 20241,368
Feb 2024867
Jan 20241,027
Dec 20231,338
Nov 20231,501
Oct 2023829
Sep 20231,002
Aug 20231,767
Jul 20232,433
Jun 20232,021
May 20232,403
Apr 20232,366
Mar 20232,759
Feb 20232,582
Jan 20233,266
Dec 20223,037
Nov 20223,885
Oct 20224,641
Sep 20225,426
Aug 2022914
Jul 2022892
Jun 2022895
May 2022893
Apr 2022914
Mar 2022931
Feb 2022790
Jan 2022936
Dec 2021915
Nov 2021908
Oct 20211,128
Sep 2021870
Aug 20211,055
Jul 20211,089
Jun 20211,029
May 20211,089
Apr 2021933
Mar 20211,000
Feb 2021946
Jan 20211,046
Dec 20201,026
Nov 20201,031
Oct 20201,003
Sep 2020958
Aug 20201,585
Jul 2020778
Jun 2020388
May 20200
Apr 2020633
Mar 20201,147
Feb 20201,078
Jan 20201,205
Dec 20191,145
Nov 20191,138
Oct 20191,211
Sep 20191,180
Aug 20191,128
Jul 20191,410
Jun 20191,100
May 20191,220
Apr 20191,294
Mar 20191,237
Feb 20191,119
Jan 20191,265
Dec 20181,179
Nov 20181,157
Oct 20181,250
Sep 20181,198
Aug 20181,220
Jul 20181,148
Jun 20181,359
May 20181,551
Apr 20181,199
Mar 20181,348
Feb 20181,222
Jan 20181,366
Dec 20171,463
Nov 20171,262
Oct 20171,375
Sep 20171,359
Aug 20171,384
Jul 20171,348
Jun 20171,349
May 20171,261
Apr 20171,269
Mar 20171,143
Feb 20171,206
Jan 20171,171
Dec 20161,076
Nov 20161,208
Oct 20161,218
Sep 20161,248
Aug 20161,344
Jul 20161,122
Jun 20161,139
May 20161,481
Apr 20161,353
Mar 20161,465
Feb 20161,466
Jan 20161,544
Dec 20151,516
Nov 20151,466
Oct 20151,428
Sep 20151,644
Aug 20151,519
Jul 20151,660
Jun 20151,662
May 20151,781
Apr 20151,861
Mar 20151,915
Feb 20151,619
Jan 20151,766
Dec 20141,838
Nov 20141,756
Oct 20141,966
Sep 20141,912
Aug 20141,841
Jul 20142,037
Jun 20141,830
May 20142,318
Apr 20141,887
Mar 20142,117
Feb 20141,970
Jan 20142,062
Dec 20132,144
Nov 20132,123
Oct 20132,115
Sep 20131,961
Aug 20132,115
Jul 20132,013
Jun 20131,918
May 20132,203
Apr 20132,071
Mar 20132,228
Feb 20132,149
Jan 20132,281
Dec 20122,383
Nov 20122,195
Oct 20122,273
Sep 20122,350
Aug 20122,466
Jul 20122,697
Jun 20122,205
May 20122,362
Apr 20122,380
Mar 20122,316
Feb 20122,317
Jan 20122,404
Dec 20112,368
Nov 20112,405
Oct 20112,401
Sep 20112,282
Aug 20112,562
Jul 20112,321
Jun 20112,356
May 20112,706
Apr 20112,563
Mar 20112,438
Feb 20112,175
Jan 20112,483
Dec 20102,455
Nov 20102,519
Oct 20102,470
Sep 20102,521
Aug 20102,708
Jul 20102,684
Jun 20102,449
May 20102,474
Apr 20102,455
Mar 20102,700
Feb 20102,422
Jan 20102,237
Dec 20093,137
Nov 20093,086
Oct 20093,028
Sep 20093,108
Aug 20093,441
Jul 20093,615
Jun 20093,035
May 20094,046
Apr 20093,995
Mar 20094,176
Feb 20094,024
Jan 20094,307
Dec 20084,475
Nov 20084,429
Oct 20084,578
Sep 20084,647
Aug 20085,014
Jul 20084,742
Jun 20084,473
May 20084,661
Apr 20085,356
Mar 20086,480
Feb 20085,901
Jan 20086,323
Dec 20075,992
Nov 20075,595
Oct 20075,340
Sep 20075,392
Aug 20070
Jul 20075,488
Jun 20075,408
May 20075,547
Apr 20075,229
Mar 20075,835
Feb 20075,985
Jan 20075,075
Dec 20064,986
Nov 20065,397
Oct 20065,412
Sep 20062,489
Aug 20062,005
Jul 20061,747
Jun 20061,948
May 20062,403
Apr 20061,579
Mar 20061,646
Feb 20062,046
Jan 20061,708
Dec 20051,731
Nov 20051,892
Oct 20051,700
Sep 20051,482
Aug 20052,166
Jul 20051,780
Jun 20052,244
May 20052,818
Apr 20052,599
Mar 20051,893
Feb 20052,845
Jan 20055,350
Dec 20045,290
Nov 200486
Oct 20042,389
Sep 20041,321
Aug 2004555
Jul 2004401
Jun 2004799
May 2004963
Mar 20040

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

Monthly water production

267 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Mar 2004 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
58,348 bbl
Months filed
267
MonthWater (bbl)
Jun 202692
May 202689
Apr 202687
Mar 202652
Feb 2026330
Jan 2026284
Dec 2025184
Nov 2025480
Oct 2025489
Sep 202530
Aug 2025172
Jul 2025132
Jun 2025242
May 2025126
Apr 2025113
Mar 2025108
Feb 2025135
Jan 2025135
Dec 202452
Nov 2024148
Oct 2024120
Sep 202484
Aug 202469
Jul 202450
Jun 202463
May 2024130
Apr 2024172
Mar 202440
Feb 202468
Jan 202417
Dec 202334
Nov 202341
Oct 202348
Sep 20230
Aug 20239
Jul 202381
Jun 202379
May 202366
Apr 202378
Mar 2023100
Feb 20230
Jan 202314
Dec 202291
Nov 2022199
Oct 2022162
Sep 202275
Aug 202299
Jul 202290
Jun 202287
May 202287
Apr 2022100
Mar 202286
Feb 202227
Jan 202288
Dec 202180
Nov 202150
Oct 202197
Sep 202144
Aug 202135
Jul 202151
Jun 2021111
May 2021109
Apr 2021108
Mar 202183
Feb 2021108
Jan 2021114
Dec 2020125
Nov 202061
Oct 202090
Sep 202052
Aug 2020272
Jul 2020121
Jun 202048
May 20200
Apr 202082
Mar 2020222
Feb 2020124
Jan 2020111
Dec 201983
Nov 2019133
Oct 201997
Sep 201997
Aug 201981
Jul 201974
Jun 201984
May 201995
Apr 2019361
Mar 2019105
Feb 2019114
Jan 201981
Dec 201893
Nov 201885
Oct 201885
Sep 201882
Aug 201871
Jul 2018206
Jun 2018352
May 2018121
Apr 201865
Mar 2018239
Feb 2018279
Jan 2018151
Dec 2017460
Nov 20171,037
Oct 2017257
Sep 201788
Aug 2017102
Jul 201783
Jun 201754
May 201757
Apr 2017144
Mar 201718
Feb 201734
Jan 201748
Dec 201628
Nov 201640
Oct 201672
Sep 2016136
Aug 2016140
Jul 201646
Jun 201613
May 2016225
Apr 201645
Mar 201655
Feb 201664
Jan 201664
Dec 201557
Nov 201531
Oct 2015156
Sep 201543
Aug 201534
Jul 201523
Jun 2015121
May 201533
Apr 201541
Mar 201537
Feb 201528
Jan 201539
Dec 201440
Nov 201428
Oct 201437
Sep 201435
Aug 201430
Jul 201446
Jun 201432
May 2014253
Apr 2014269
Mar 2014111
Feb 2014139
Jan 2014159
Dec 2013107
Nov 2013215
Oct 201372
Sep 201362
Aug 2013221
Jul 2013108
Jun 201376
May 2013225
Apr 2013131
Mar 2013124
Feb 2013117
Jan 2013129
Dec 2012214
Nov 2012138
Oct 2012186
Sep 2012410
Aug 2012367
Jul 2012229
Jun 2012123
May 2012121
Apr 2012128
Mar 2012177
Feb 201284
Jan 2012128
Dec 201177
Nov 2011154
Oct 2011113
Sep 201193
Aug 2011139
Jul 201181
Jun 201193
May 2011189
Apr 201117,583
Mar 201185
Feb 201180
Jan 2011278
Dec 201097
Nov 201082
Oct 2010181
Sep 201078
Aug 201059
Jul 2010109
Jun 2010158
May 201054
Apr 2010109
Mar 201085
Feb 201085
Jan 2010332
Dec 2009324
Nov 2009164
Oct 2009187
Sep 2009314
Aug 2009203
Jul 2009578
Jun 2009333
May 2009344
Apr 2009330
Mar 2009932
Feb 20091,639
Jan 2009326
Dec 2008355
Nov 20081,007
Oct 2008908
Sep 2008328
Aug 2008528
Jul 2008277
Jun 2008318
May 2008263
Apr 20080
Mar 2008148
Feb 2008108
Jan 2008123
Dec 2007103
Nov 200785
Oct 2007104
Sep 2007100
Aug 2007—
Jul 200776
Jun 200750
May 200748
Apr 2007248
Mar 200749
Feb 200724
Jan 200765
Dec 200650
Nov 200635
Oct 2006280
Sep 200635
Aug 200648
Jul 200648
Jun 200665
May 2006441
Apr 2006181
Mar 2006271
Feb 2006649
Jan 2006352
Dec 2005130
Nov 2005223
Oct 2005161
Sep 2005407
Aug 2005511
Jul 2005388
Jun 2005366
May 2005456
Apr 200554
Mar 200579
Feb 2005393
Jan 2005109
Dec 2004116
Nov 20040
Oct 200436
Sep 200419
Aug 200495
Jul 200475
Jun 200497
May 2004205
Mar 2004—

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

Wells on this lease

6 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.

WellNo.TypeOperatorStatusIn the unit
SALLING & HANSON1-35Other Injection WellCORE ENERGY LLCActiveMay 2004 — Jul 2019
SALLING HANSON TRUST4-35AOil WellCORE ENERGY LLCProducingMay 2004 — still
POMERZYNSKI ET AL5-35Oil WellCORE ENERGY LLCPlugging ApprovedMay 2004 — Jul 2012
POMARZYNSKI5-35AOil WellCORE ENERGY LLCPlugging ApprovedDec 2009 — Jun 2022
POMARZYNSKI6-35Oil WellCORE ENERGY LLCProducingOct 2006 — still
POMARZYNSKI7-35Oil WellCORE ENERGY LLCProducingJan 2023 — still

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 20492.