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TY COBB UNIT

Lease 19711 · MONTMORENCY County, Michigan · Montmorency County - Antrim field

Gas soldWater1997–20263 wells
Operator (latest)
H R F EXPLORATION AND PRODUCTION LLC
Field
Montmorency County - Antrim
Field type (as filed)
G
First production
1997
Last production
2026

Operators

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

OperatorFromTo
H R F EXPLORATION AND PRODUCTION LLCNov 2006Jul 2026
H R F EXPLORATION AND PRODUCTION INCAug 1997Oct 2006

Monthly gas sold production

347 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Aug 1997 to Jul 2026. Volumes are MCF at lease level — a lease can cover many wells, so this is not a well's output. This is gas SOLD, which is what left the unit. Michigan files no produced-gas volume, so the two are not the same number and this page does not present one as the other.

Total over the months shown
1,353,797 MCF
Months filed
347
MonthGas sold (MCF)
Jul 20261,170
Jun 20261,293
May 20261,303
Apr 20261,415
Mar 20261,479
Feb 20261,301
Jan 20261,464
Dec 20251,475
Nov 20251,460
Oct 20251,279
Sep 20251,334
Aug 20251,273
Jul 20251,227
Jun 2025886
May 20251,117
Apr 20251,313
Mar 20251,363
Feb 20251,234
Jan 20251,329
Dec 20241,313
Nov 20241,351
Oct 20241,464
Sep 20241,456
Aug 20241,369
Jul 20241,163
Jun 20241,085
May 20241,205
Apr 20241,267
Mar 20241,471
Feb 20241,270
Jan 20241,493
Dec 20231,487
Nov 20231,435
Oct 20231,490
Sep 20231,437
Aug 20231,473
Jul 20231,315
Jun 20231,419
May 20231,502
Apr 20231,457
Mar 20231,575
Feb 20231,430
Jan 20231,511
Dec 20221,524
Nov 20221,500
Sep 20221,491
Aug 20221,436
Jul 20221,352
Jun 20221,354
May 20221,865
Apr 20221,525
Mar 20221,582
Feb 20221,442
Jan 20221,603
Dec 20211,624
Nov 20211,631
Oct 20211,650
Sep 20211,644
Aug 20211,554
Jul 20211,464
Jun 20211,549
May 20211,677
Apr 20211,627
Mar 20211,725
Feb 20211,541
Jan 20211,708
Dec 20201,756
Nov 20201,746
Oct 20201,670
Sep 20201,700
Aug 20201,617
Jul 20201,531
Jun 20201,458
May 20201,564
Apr 20201,544
Mar 20201,627
Feb 20201,506
Jan 20201,642
Dec 20191,616
Nov 20191,579
Oct 20191,652
Sep 20191,623
Aug 20191,627
Jul 20191,683
Jun 20191,585
May 20191,681
Apr 20191,536
Mar 20191,631
Feb 20191,468
Jan 20191,599
Dec 20181,603
Nov 20181,556
Oct 20181,635
Sep 20181,678
Aug 20181,713
Jul 20181,760
Jun 20181,624
May 20181,689
Apr 20181,653
Mar 20181,692
Feb 20181,528
Jan 20181,713
Dec 20171,783
Nov 20171,649
Oct 20171,764
Sep 20171,770
Aug 20171,904
Jul 20171,880
Jun 20171,852
May 20171,874
Apr 20171,838
Mar 20171,886
Feb 20171,726
Jan 20171,893
Dec 20161,899
Nov 20161,859
Oct 20161,940
Sep 20162,004
Aug 20162,035
Jul 20162,029
Jun 20162,002
May 20161,980
Apr 20161,929
Mar 20161,990
Feb 20161,882
Jan 20162,119
Dec 20152,152
Nov 20152,083
Oct 20152,137
Sep 20152,279
Aug 20152,451
Jul 20152,094
Jun 20152,049
May 20152,301
Apr 20152,229
Mar 20152,275
Feb 20152,079
Jan 20152,287
Dec 20142,354
Nov 20142,269
Oct 20142,456
Sep 20142,230
Aug 20142,391
Jul 20142,463
Jun 20142,318
May 20142,440
Apr 20142,293
Mar 20142,333
Feb 20142,400
Jan 20142,657
Dec 20132,667
Nov 20132,467
Oct 20132,695
Sep 20132,601
Aug 20132,714
Jul 20132,640
Jun 20132,433
May 20132,691
Apr 20132,639
Mar 20132,701
Feb 20132,483
Jan 20132,807
Dec 20122,844
Nov 20122,746
Oct 20122,856
Sep 20122,654
Aug 20122,830
Jul 20122,829
Jun 20122,640
May 20122,752
Apr 20122,667
Mar 20122,867
Feb 20122,634
Jan 20122,922
Dec 20112,957
Nov 20112,880
Oct 20112,983
Sep 20112,920
Aug 20113,085
Jul 20113,113
Jun 20112,931
May 20113,041
Apr 20112,986
Mar 20113,130
Feb 20112,619
Jan 20112,794
Dec 20102,932
Nov 20103,034
Oct 20103,161
Sep 20103,029
Aug 20103,233
Jul 20103,173
Jun 20102,938
May 20103,094
Apr 20103,121
Mar 20103,267
Feb 20103,037
Jan 20103,372
Dec 20093,417
Nov 20093,372
Oct 20093,529
Sep 20093,334
Aug 20093,502
Jul 20093,413
Jun 20093,170
May 20093,340
Apr 20093,377
Mar 20093,464
Feb 20093,254
Jan 20093,655
Dec 20083,774
Nov 20083,756
Oct 20083,844
Sep 20083,744
Aug 20083,652
Jul 20083,645
Jun 20083,633
May 20083,792
Apr 20083,754
Mar 20083,889
Feb 20083,646
Jan 20084,018
Dec 20073,842
Nov 20073,918
Oct 20073,966
Sep 20074,164
Aug 20074,271
Jul 20074,156
Jun 20073,823
May 20074,481
Apr 20074,109
Mar 20074,239
Feb 20074,095
Jan 20074,219
Dec 20063,805
Nov 20063,496
Oct 20064,218
Sep 20064,276
Aug 20064,385
Jul 20064,470
Jun 20064,147
May 20064,197
Apr 20064,408
Mar 20064,625
Feb 20064,239
Jan 20064,816
Dec 20054,947
Nov 20054,423
Oct 20054,814
Sep 20054,666
Aug 20054,932
Jul 20054,667
Jun 20054,047
May 20054,552
Apr 20054,475
Mar 20054,806
Feb 20054,276
Jan 20055,018
Dec 20044,975
Nov 20046,265
Oct 20045,028
Sep 20045,135
Aug 20045,371
Jul 20045,083
Jun 20044,898
May 20045,035
Apr 20045,089
Mar 20044,917
Feb 20044,562
Jan 20044,905
Dec 20034,952
Nov 20034,574
Oct 20034,317
Sep 20032,448
Aug 20035,058
Jul 20035,208
Jun 20034,831
May 20035,123
Apr 20034,939
Mar 20034,967
Feb 20034,853
Jan 20035,901
Dec 20025,966
Nov 20025,691
Oct 20025,026
Sep 20025,760
Aug 20026,032
Jul 20026,156
Jun 20025,790
May 20026,122
Apr 20025,827
Mar 20026,566
Feb 20025,975
Jan 20026,580
Dec 20016,634
Nov 20016,679
Oct 20016,858
Sep 20016,762
Aug 20016,972
Jul 20017,058
Jun 20016,426
May 20016,466
Apr 20015,734
Mar 20016,677
Feb 20016,504
Jan 20017,509
Dec 20007,847
Nov 20007,237
Oct 20007,966
Sep 20007,934
Aug 20007,451
Jul 20008,200
Jun 20007,768
May 20007,621
Apr 20007,617
Mar 20007,815
Feb 20007,356
Jan 20008,070
Dec 199912,335
Nov 199912,326
Oct 199913,265
Sep 199913,060
Aug 199912,546
Jul 199912,324
Jun 199912,771
May 199912,909
Apr 199911,882
Mar 199911,653
Feb 199910,850
Jan 199913,782
Dec 199817,163
Nov 199812,398
Oct 199813,298
Sep 199813,142
Aug 199813,467
Jul 199813,484
Jun 199813,009
May 199813,117
Apr 199812,044
Mar 199813,768
Feb 199812,634
Jan 199813,354
Dec 199712,598
Nov 199711,829
Oct 199711,982
Sep 19978,713
Aug 19972,224

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

Monthly water production

347 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Aug 1997 to Jul 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
303,739 bbl
Months filed
347
MonthWater (bbl)
Jul 2026292
Jun 2026287
May 2026300
Apr 2026372
Mar 2026373
Feb 2026319
Jan 2026357
Dec 2025400
Nov 2025382
Oct 2025302
Sep 2025311
Aug 2025272
Jul 2025190
Jun 2025141
May 2025222
Apr 2025278
Mar 2025343
Feb 2025341
Jan 2025318
Dec 2024283
Nov 2024351
Oct 2024403
Sep 2024412
Aug 2024416
Jul 2024345
Jun 2024281
May 2024320
Apr 2024283
Mar 2024361
Feb 2024386
Jan 2024376
Dec 2023371
Nov 2023371
Oct 2023428
Sep 2023458
Aug 2023504
Jul 2023422
Jun 2023422
May 2023395
Apr 2023330
Mar 2023317
Feb 2023285
Jan 2023338
Dec 2022336
Nov 2022355
Sep 2022368
Aug 2022462
Jul 2022414
Jun 2022449
May 2022550
Apr 2022414
Mar 2022494
Feb 2022287
Jan 2022268
Dec 2021282
Nov 2021290
Oct 2021333
Sep 2021358
Aug 2021443
Jul 2021447
Jun 2021541
May 2021433
Apr 2021388
Mar 2021433
Feb 2021384
Jan 2021450
Dec 2020466
Nov 2020553
Oct 2020359
Sep 2020480
Aug 2020546
Jul 2020570
Jun 2020513
May 2020429
Apr 2020377
Mar 2020377
Feb 2020354
Jan 2020369
Dec 2019394
Nov 2019476
Oct 2019415
Sep 2019449
Aug 2019481
Jul 2019514
Jun 2019406
May 2019374
Apr 2019340
Mar 2019395
Feb 2019373
Jan 2019395
Dec 2018405
Nov 2018402
Oct 2018402
Sep 2018424
Aug 2018429
Jul 2018412
Jun 2018366
May 2018444
Apr 2018396
Mar 2018401
Feb 2018384
Jan 2018437
Dec 2017468
Nov 2017448
Oct 2017475
Sep 2017503
Aug 2017542
Jul 2017546
Jun 2017562
May 2017478
Apr 2017449
Mar 2017457
Feb 2017424
Jan 2017479
Dec 2016535
Nov 2016491
Oct 2016506
Sep 2016535
Aug 2016569
Jul 2016558
Jun 2016462
May 2016409
Apr 2016353
Mar 2016359
Feb 2016314
Jan 2016368
Dec 2015364
Nov 2015372
Oct 2015462
Sep 2015528
Aug 2015518
Jul 2015573
Jun 2015549
May 2015596
Apr 2015609
Mar 2015719
Feb 2015673
Jan 2015816
Dec 2014864
Nov 2014835
Oct 2014986
Sep 2014640
Aug 2014459
Jul 2014447
Jun 2014514
May 2014436
Apr 2014344
Mar 2014419
Feb 2014391
Jan 2014446
Dec 2013436
Nov 2013454
Oct 2013611
Sep 2013611
Aug 2013611
Jul 2013611
Jun 2013490
May 2013458
Apr 2013434
Mar 2013439
Feb 2013404
Jan 2013471
Dec 2012487
Nov 2012474
Oct 2012556
Sep 2012573
Aug 2012659
Jul 2012818
Jun 2012679
May 2012702
Apr 2012734
Mar 2012641
Feb 2012442
Jan 2012475
Dec 2011490
Nov 2011493
Oct 2011466
Sep 2011427
Aug 2011449
Jul 2011542
Jun 2011469
May 2011457
Apr 2011417
Mar 2011438
Feb 2011376
Jan 2011381
Dec 2010424
Nov 2010428
Oct 2010433
Sep 2010430
Aug 2010505
Jul 2010555
Jun 2010439
May 2010440
Apr 2010408
Mar 2010391
Feb 2010344
Jan 2010367
Dec 2009407
Nov 2009430
Oct 2009544
Sep 2009541
Aug 2009734
Jul 2009692
Jun 2009664
May 2009497
Apr 2009501
Mar 2009476
Feb 2009479
Jan 2009544
Dec 2008535
Nov 2008485
Oct 2008574
Sep 2008545
Aug 2008513
Jul 2008529
Jun 2008505
May 2008603
Apr 2008551
Mar 2008590
Feb 2008461
Jan 2008604
Dec 2007548
Nov 2007603
Oct 2007637
Sep 2007696
Aug 2007663
Jul 2007670
Jun 2007567
May 2007796
Apr 2007658
Mar 2007705
Feb 2007701
Jan 2007761
Dec 2006764
Nov 2006731
Oct 2006750
Sep 2006803
Aug 2006939
Jul 20061,037
Jun 20061,062
May 20061,056
Apr 2006877
Mar 2006762
Feb 2006724
Jan 2006919
Dec 2005986
Nov 20051,201
Oct 20051,240
Sep 20051,218
Aug 20051,364
Jul 20051,209
Jun 20051,143
May 20051,277
Apr 20051,333
Mar 20051,466
Feb 20051,251
Jan 20051,452
Dec 20041,380
Nov 20041,509
Oct 20041,217
Sep 20041,371
Aug 20041,450
Jul 20041,419
Jun 20041,411
May 20041,507
Apr 20041,559
Mar 20041,515
Feb 20041,387
Jan 20041,549
Dec 20031,547
Nov 20031,520
Oct 20031,328
Sep 2003773
Aug 20031,602
Jul 20031,882
Jun 20031,654
May 20031,902
Apr 20031,999
Mar 20032,158
Feb 20031,968
Jan 20032,016
Dec 20021,756
Nov 20021,681
Oct 20021,375
Sep 20021,308
Aug 20021,538
Jul 20021,794
Jun 20021,621
May 20021,468
Apr 20021,746
Mar 20021,998
Feb 20021,812
Jan 20022,116
Dec 20012,067
Nov 20011,875
Oct 20012,272
Sep 20011,751
Aug 20011,683
Jul 20011,747
Jun 20011,470
May 20011,197
Apr 20011,193
Mar 20011,493
Feb 20011,556
Jan 20011,764
Dec 20001,931
Nov 20001,809
Oct 20002,057
Sep 20002,453
Aug 20002,211
Jul 20002,369
Jun 20002,881
May 20002,719
Apr 20002,610
Mar 20002,570
Feb 20002,489
Jan 20002,761
Dec 19994,522
Nov 19995,095
Oct 19995,122
Sep 19995,156
Aug 19995,085
Jul 19995,092
Jun 19992,623
May 19992,115
Apr 19992,018
Mar 19991,898
Feb 19991,616
Jan 19992,061
Dec 19981,731
Nov 19981,787
Oct 19982,002
Sep 19982,183
Aug 19982,120
Jul 19982,376
Jun 19982,748
May 19982,757
Apr 19982,462
Mar 1998—
Feb 1998—
Jan 1998—
Dec 1997—
Nov 1997—
Oct 1997—
Sep 1997—
Aug 1997—

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

Wells on this lease

3 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
TYRELL1-36Natural Gas WellH R F EXPLORATION AND PRODUCTION LLCProducingDec 1997 — still
KNIGHTD4-35Natural Gas WellH R F EXPLORATION AND PRODUCTION LLCProducingAug 1997 — still
WELCHB3-35Natural Gas WellH R F EXPLORATION AND PRODUCTION LLCProducingAug 1997 — Jan 2000

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 19711.