Z Bar 4-7
Lease 1044220585 · Barber County, Kansas · Sec 4 T34S R15W · DOR 143340
Oil2013–20261 well
Operator
M & M Exploration, Inc.
Cumulative (state figure)
6,034.92 bbl
First production
2013
Last production
2026
Location (PLSS)
Sec 4 T34S R15W
Monthly oil production
36 months filed with the Kansas Geological Survey, Jan 2013 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
6,034.90 bbl
Months filed
36
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Apr 2026 | 149.92 | 1 |
| Apr 2025 | 149.92 | 1 |
| Mar 2025 | 7.01 | 1 |
| Jan 2025 | 3.01 | 1 |
| Jul 2024 | 107.46 | 1 |
| Nov 2022 | 68.76 | 1 |
| Apr 2022 | 156.05 | 1 |
| May 2021 | 73.34 | 1 |
| Nov 2020 | 170.66 | 1 |
| Dec 2019 | 90.99 | 1 |
| Jul 2019 | 150.00 | 1 |
| Dec 2018 | 173.92 | 1 |
| Apr 2018 | 108.81 | 1 |
| Nov 2017 | 162.19 | 1 |
| May 2017 | 150.15 | 1 |
| Nov 2016 | 163.82 | 1 |
| Jun 2016 | 165.67 | 1 |
| Jan 2016 | 157.33 | 1 |
| Sep 2015 | 152.93 | 1 |
| Apr 2015 | 42.59 | 1 |
| Mar 2015 | 156.82 | 1 |
| Jan 2015 | 148.13 | 1 |
| Oct 2014 | 154.05 | 1 |
| Jul 2014 | 157.25 | 1 |
| Apr 2014 | 161.63 | 1 |
| Feb 2014 | 157.46 | 1 |
| Dec 2013 | 161.51 | 1 |
| Nov 2013 | 157.95 | 1 |
| Sep 2013 | 160.05 | 1 |
| Aug 2013 | 165.29 | 1 |
| Jun 2013 | 233.72 | 1 |
| May 2013 | 276.55 | 1 |
| Apr 2013 | 327.89 | 1 |
| Mar 2013 | 504.95 | 1 |
| Feb 2013 | 213.98 | 1 |
| Jan 2013 | 493.16 | 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 |
|---|---|---|---|
| Z Bar | 4-7 | M & M Exploration, Inc. | Producing |
Location
37.115063, -98.955616 · Sec 4 T34S R15W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1044220585. The state’s own record.