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Tillman 1-17

Lease 21475 · MECOSTA County, Michigan · Fork field · Dundee

OilNatural gas liquidsWater2010–20261 well
Operator
W B OSBORN OIL AND GAS OPERATIONS LTD
Field
Fork
Formation
Dundee
Field type (as filed)
O
First production
2010
Last production
2026

Monthly oil production

187 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Dec 2010 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
45,176 bbl
Months filed
187
MonthOil (bbl)
Jun 202647
May 20260
Apr 20260
Mar 20260
Feb 20260
Jan 20260
Dec 20250
Nov 20250
Oct 20250
Sep 20250
Aug 20250
Jul 202516
Jun 202535
May 202550
Apr 202540
Mar 202586
Feb 202581
Jan 202515
Dec 202427
Nov 2024103
Oct 202496
Sep 202463
Aug 202477
Jul 202495
Jun 2024121
May 2024121
Apr 2024111
Mar 202467
Feb 20240
Jan 20246
Dec 202329
Nov 20230
Oct 20237
Sep 202379
Aug 202377
Jul 202385
Jun 2023111
May 202363
Apr 20230
Mar 20230
Feb 20230
Jan 202326
Dec 202277
Nov 202249
Oct 202247
Sep 202267
Aug 202280
Jul 202283
Jun 202267
May 202285
Apr 202251
Mar 202285
Feb 202277
Jan 202290
Dec 202165
Nov 202135
Oct 202152
Sep 202152
Aug 202182
Jul 202197
Jun 202189
May 2021114
Apr 2021140
Mar 20210
Feb 20210
Jan 20210
Dec 20200
Nov 202062
Oct 202088
Sep 202085
Aug 202091
Jul 202092
Jun 202090
May 2020100
Apr 202096
Mar 2020110
Feb 202091
Jan 2020103
Dec 2019106
Nov 201999
Oct 2019107
Sep 201996
Aug 2019100
Jul 201997
Jun 2019104
May 2019115
Apr 2019117
Mar 2019105
Feb 2019103
Jan 2019102
Dec 2018130
Nov 2018122
Oct 2018132
Sep 2018114
Aug 2018122
Jul 2018140
Jun 2018142
May 2018160
Apr 2018146
Mar 2018167
Feb 2018110
Jan 2018136
Dec 2017151
Nov 201769
Oct 2017143
Sep 2017167
Aug 2017172
Jul 2017178
Jun 2017182
May 2017194
Apr 2017183
Mar 2017210
Feb 2017194
Jan 2017249
Dec 2016163
Nov 2016169
Oct 2016155
Sep 2016169
Aug 2016223
Jul 2016147
Jun 2016120
May 2016177
Apr 2016195
Mar 2016201
Feb 2016176
Jan 2016198
Dec 2015248
Nov 2015206
Oct 2015231
Sep 2015233
Aug 2015245
Jul 2015248
Jun 2015257
May 2015294
Apr 2015236
Mar 2015315
Feb 2015272
Jan 2015288
Dec 2014311
Nov 2014288
Oct 2014378
Sep 2014333
Aug 2014358
Jul 2014428
Jun 2014413
May 2014405
Apr 2014252
Mar 2014357
Feb 2014296
Jan 2014387
Dec 2013392
Nov 2013418
Oct 2013426
Sep 2013453
Aug 2013428
Jul 2013477
Jun 2013425
May 2013460
Apr 2013481
Mar 2013550
Feb 2013522
Jan 2013540
Dec 2012611
Nov 2012631
Oct 2012607
Sep 2012576
Aug 2012672
Jul 2012693
Jun 2012642
May 2012726
Apr 2012734
Mar 2012811
Feb 2012736
Jan 2012823
Dec 2011855
Nov 2011789
Oct 2011846
Sep 2011833
Aug 2011916
Jul 2011962
Jun 2011921
May 2011970
Apr 20111,004
Mar 20111,108
Feb 20111,528
Jan 20111,300
Dec 2010648

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

Monthly NGL production

187 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Dec 2010 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
16 bbl
Months filed
187
MonthNatural gas liquids (bbl)
Jun 20260
May 20260
Apr 20260
Mar 20260
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
Aug 20150
Jul 20150
Jun 20150
May 20153
Apr 20150
Mar 20153
Feb 20150
Jan 20150
Dec 20145
Nov 20145
Oct 20140
Sep 20140
Aug 20140
Jul 20140
Jun 20140
May 20140
Apr 20140
Mar 20140
Feb 20140
Jan 20140
Dec 20130
Nov 20130
Oct 20130
Sep 20130
Aug 20130
Jul 20130
Jun 20130
May 20130
Apr 20130
Mar 20130
Feb 20130
Jan 20130
Dec 20120
Nov 20120
Oct 20120
Sep 20120
Aug 20120
Jul 20120
Jun 20120
May 20120
Apr 20120
Mar 20120
Feb 20120
Jan 20120
Dec 20110
Nov 20110
Oct 20110
Sep 20110
Aug 20110
Jul 20110
Jun 20110
May 20110
Apr 20110
Mar 20110
Feb 20110
Jan 20110
Dec 20100

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

Monthly water production

187 months filed with the Michigan Department of Environment, Great Lakes, and Energy, Dec 2010 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
611,568 bbl
Months filed
187
MonthWater (bbl)
Jun 20262,383
May 20260
Apr 20260
Mar 20260
Feb 20260
Jan 20260
Dec 20250
Nov 20250
Oct 20250
Sep 20250
Aug 20250
Jul 2025801
Jun 20252,548
May 20254,938
Apr 20253,658
Mar 20254,935
Feb 20256,248
Jan 20251,803
Dec 20242,161
Nov 20246,317
Oct 202410,583
Sep 20249,028
Aug 202410,211
Jul 202410,343
Jun 20247,177
May 20249,338
Apr 20248,302
Mar 20243,769
Feb 20240
Jan 20241,114
Dec 20231,171
Nov 20230
Oct 2023325
Sep 20235,009
Aug 20235,114
Jul 20235,064
Jun 20234,894
May 20233,619
Apr 20230
Mar 20230
Feb 20230
Jan 20231,689
Dec 20226,308
Nov 20224,067
Oct 20223,390
Sep 20224,987
Aug 20225,185
Jul 20225,277
Jun 20224,942
May 20225,849
Apr 20224,409
Mar 20226,600
Feb 20225,785
Jan 20226,176
Dec 20214,505
Nov 20211,725
Oct 20213,377
Sep 20214,106
Aug 20214,599
Jul 20214,579
Jun 20214,246
May 20214,471
Apr 20215,131
Mar 20210
Feb 20210
Jan 20210
Dec 202084
Nov 20203,162
Oct 20204,496
Sep 20204,362
Aug 20204,598
Jul 20204,520
Jun 20204,420
May 20204,569
Apr 20204,411
Mar 20204,777
Feb 20204,104
Jan 20204,612
Dec 20194,625
Nov 20194,757
Oct 20194,720
Sep 20194,492
Aug 20195,206
Jul 20194,613
Jun 20194,748
May 20194,688
Apr 20195,041
Mar 20194,871
Feb 20194,030
Jan 20193,940
Dec 20183,180
Nov 20183,226
Oct 20183,840
Sep 20183,660
Aug 20184,044
Jul 20184,055
Jun 20184,041
May 20184,399
Apr 20184,310
Mar 20183,306
Feb 20184,199
Jan 20183,656
Dec 20174,792
Nov 20172,715
Oct 20174,729
Sep 20175,060
Aug 20175,263
Jul 20174,819
Jun 20174,887
May 20175,256
Apr 20174,751
Mar 20175,340
Feb 20175,140
Jan 20175,183
Dec 20163,553
Nov 20163,222
Oct 20163,332
Sep 20163,150
Aug 20163,239
Jul 20162,777
Jun 20162,202
May 20162,800
Apr 20163,142
Mar 20163,252
Feb 20162,666
Jan 20162,932
Dec 20152,860
Nov 20152,695
Oct 20152,950
Sep 20152,876
Aug 20153,002
Jul 20152,938
Jun 20152,831
May 20152,985
Apr 20152,063
Mar 20152,739
Feb 20152,268
Jan 20152,864
Dec 20142,801
Nov 20142,819
Oct 20143,045
Sep 20143,003
Aug 20142,911
Jul 20142,935
Jun 20142,741
May 20142,285
Apr 20141,524
Mar 20141,954
Feb 20141,183
Jan 20142,095
Dec 20132,114
Nov 20131,933
Oct 20132,162
Sep 20132,125
Aug 20132,094
Jul 20132,111
Jun 20131,889
May 20131,899
Apr 20132,029
Mar 20132,168
Feb 20131,932
Jan 20132,055
Dec 20122,067
Nov 20122,121
Oct 20122,189
Sep 20121,984
Aug 20122,219
Jul 20122,165
Jun 20121,944
May 20122,089
Apr 20122,095
Mar 20122,239
Feb 20122,078
Jan 20122,078
Dec 20112,154
Nov 20112,017
Oct 20112,087
Sep 20111,952
Aug 20112,135
Jul 20112,150
Jun 20111,937
May 20112,079
Apr 20111,970
Mar 20111,957
Feb 20111,884
Jan 2011820
Dec 201060

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
TILLMAN1-17Oil WellW B OSBORN OIL AND GAS OPERATIONS LTDProducingNov 2010 — still

Michigan Department of Environment, Great Lakes, and Energy data, corpus built 2026-09-07. Lease 21475.