Haddock Unit 1
Lease 1043061460 · Ellis County, Kansas · Sec 2 T13S R18W · DOR 140972
Oil2010–20261 well
Operator
Mai Oil Operations, Inc.
Cumulative (state figure)
42,874.79 bbl
First production
2010
Last production
2026
Location (PLSS)
Sec 2 T13S R18W
Monthly oil production
152 months filed with the Kansas Geological Survey, Jul 2010 to Apr 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
42,874.80 bbl
Months filed
152
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Apr 2026 | 159.45 | 1 |
| Mar 2026 | 163.46 | 1 |
| Feb 2026 | 165.14 | 1 |
| Jan 2026 | 165.40 | 1 |
| Dec 2025 | 165.77 | 1 |
| Nov 2025 | 162.19 | 1 |
| Oct 2025 | 163.54 | 1 |
| Sep 2025 | 161.99 | 1 |
| Aug 2025 | 161.43 | 1 |
| Jul 2025 | 164.43 | 1 |
| Jun 2025 | 326.47 | 1 |
| May 2025 | 158.79 | 1 |
| Apr 2025 | 157.61 | 1 |
| Mar 2025 | 332.03 | 1 |
| Feb 2025 | 168.95 | 1 |
| Jan 2025 | 332.93 | 1 |
| Dec 2024 | 329.68 | 1 |
| Nov 2024 | 164.16 | 1 |
| Oct 2024 | 329.62 | 1 |
| Sep 2024 | 324.79 | 1 |
| Aug 2024 | 477.94 | 1 |
| Jul 2024 | 325.63 | 1 |
| Jun 2024 | 489.30 | 1 |
| May 2024 | 656.11 | 1 |
| Apr 2024 | 846.17 | 1 |
| Feb 2024 | 163.02 | 1 |
| Nov 2023 | 164.92 | 1 |
| Sep 2023 | 164.23 | 1 |
| Jun 2023 | 156.00 | 1 |
| Apr 2023 | 161.26 | 1 |
| Feb 2023 | 161.53 | 1 |
| Nov 2022 | 164.06 | 1 |
| Sep 2022 | 161.20 | 1 |
| Jul 2022 | 162.60 | 1 |
| May 2022 | 161.03 | 1 |
| Mar 2022 | 162.04 | 1 |
| Jan 2022 | 156.26 | 1 |
| Nov 2021 | 164.46 | 1 |
| Sep 2021 | 161.00 | 1 |
| Jun 2021 | 159.97 | 1 |
| Apr 2021 | 164.53 | 1 |
| Mar 2021 | 164.18 | 1 |
| Jan 2021 | 156.04 | 1 |
| Dec 2020 | 159.05 | 1 |
| Oct 2020 | 161.92 | 1 |
| Aug 2020 | 161.46 | 1 |
| Apr 2020 | 162.73 | 1 |
| Jan 2020 | 157.71 | 1 |
| Dec 2019 | 168.21 | 1 |
| Oct 2019 | 163.75 | 1 |
| Aug 2019 | 159.98 | 1 |
| Jul 2019 | 160.77 | 1 |
| May 2019 | 162.80 | 1 |
| Mar 2019 | 164.08 | 1 |
| Feb 2019 | 162.78 | 1 |
| Dec 2018 | 162.88 | 1 |
| Nov 2018 | 162.85 | 1 |
| Sep 2018 | 161.48 | 1 |
| Aug 2018 | 161.52 | 1 |
| Jul 2018 | 160.90 | 1 |
| Jun 2018 | 159.28 | 1 |
| May 2018 | 162.46 | 1 |
| Apr 2018 | 163.97 | 1 |
| Mar 2018 | 163.86 | 1 |
| Feb 2018 | 161.20 | 1 |
| Jan 2018 | 179.55 | 1 |
| Dec 2017 | 158.97 | 1 |
| Oct 2017 | 162.88 | 1 |
| Aug 2017 | 161.19 | 1 |
| Jul 2017 | 162.15 | 1 |
| Jun 2017 | 161.73 | 1 |
| May 2017 | 165.41 | 1 |
| Mar 2017 | 161.55 | 1 |
| Feb 2017 | 162.17 | 1 |
| Jan 2017 | 165.70 | 1 |
| Dec 2016 | 153.91 | 1 |
| Nov 2016 | 165.83 | 1 |
| Sep 2016 | 164.14 | 1 |
| Aug 2016 | 160.91 | 1 |
| Jul 2016 | 165.77 | 1 |
| Jun 2016 | 325.96 | 1 |
| May 2016 | 162.74 | 1 |
| Apr 2016 | 167.11 | 1 |
| Mar 2016 | 162.76 | 1 |
| Feb 2016 | 166.29 | 1 |
| Jan 2016 | 192.61 | 1 |
| Dec 2015 | 160.16 | 1 |
| Nov 2015 | 161.54 | 1 |
| Oct 2015 | 327.97 | 1 |
| Sep 2015 | 164.81 | 1 |
| Aug 2015 | 162.55 | 1 |
| Jul 2015 | 162.10 | 1 |
| Jun 2015 | 163.14 | 1 |
| May 2015 | 327.04 | 1 |
| Apr 2015 | 162.50 | 1 |
| Mar 2015 | 164.84 | 1 |
| Feb 2015 | 163.34 | 1 |
| Jan 2015 | 164.58 | 1 |
| Dec 2014 | 329.75 | 1 |
| Nov 2014 | 164.84 | 1 |
| Oct 2014 | 167.83 | 1 |
| Sep 2014 | 161.78 | 1 |
| Aug 2014 | 322.10 | 1 |
| Jul 2014 | 165.46 | 1 |
| Jun 2014 | 328.23 | 1 |
| May 2014 | 162.11 | 1 |
| Apr 2014 | 164.60 | 1 |
| Mar 2014 | 331.56 | 1 |
| Feb 2014 | 165.57 | 1 |
| Jan 2014 | 163.28 | 1 |
| Dec 2013 | 328.02 | 1 |
| Nov 2013 | 165.93 | 1 |
| Oct 2013 | 160.79 | 1 |
| Sep 2013 | 161.33 | 1 |
| Aug 2013 | 321.43 | 1 |
| Jul 2013 | 321.24 | 1 |
| Jun 2013 | 156.49 | 1 |
| May 2013 | 319.32 | 1 |
| Apr 2013 | 328.13 | 1 |
| Mar 2013 | 328.70 | 1 |
| Feb 2013 | 330.01 | 1 |
| Jan 2013 | 161.80 | 1 |
| Dec 2012 | 326.46 | 1 |
| Nov 2012 | 326.81 | 1 |
| Oct 2012 | 480.09 | 1 |
| Sep 2012 | 331.02 | 1 |
| Aug 2012 | 317.26 | 1 |
| Jul 2012 | 474.95 | 1 |
| Jun 2012 | 325.54 | 1 |
| May 2012 | 483.86 | 1 |
| Apr 2012 | 332.36 | 1 |
| Mar 2012 | 499.46 | 1 |
| Feb 2012 | 322.77 | 1 |
| Jan 2012 | 647.38 | 1 |
| Dec 2011 | 322.28 | 1 |
| Nov 2011 | 660.86 | 1 |
| Oct 2011 | 329.14 | 1 |
| Sep 2011 | 649.26 | 1 |
| Aug 2011 | 486.01 | 1 |
| Jul 2011 | 489.44 | 1 |
| Jun 2011 | 481.88 | 1 |
| May 2011 | 492.17 | 1 |
| Apr 2011 | 644.92 | 1 |
| Mar 2011 | 483.29 | 1 |
| Feb 2011 | 663.13 | 1 |
| Jan 2011 | 653.08 | 1 |
| Dec 2010 | 828.00 | 1 |
| Nov 2010 | 829.83 | 1 |
| Oct 2010 | 982.76 | 1 |
| Sep 2010 | 959.12 | 1 |
| Aug 2010 | 1,293.80 | 1 |
| Jul 2010 | 1,606.71 | 1 |
Lease-level volumes as filed with the Kansas Geological Survey. A blank well count is a month the state filed no count for, not a month with no wells.
Wells on this lease
1 well the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| Haddock Unit | 1 | Mai Oil Operations, Inc. | Producing |
Location
38.950760, -99.288506 · Sec 2 T13S R18W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1043061460. The state’s own record.