HARVEY COUNTY
Lease 1001131489 · Harvey County, Kansas · CNWSE Sec 4 T23S R2E · DOR 118224
Oil1981–20253 wells
Operator
Lachenmayr Oil LLC
Cumulative (state figure)
26,905.18 bbl
First production
1981
Last production
2025
Location (PLSS)
CNWSE Sec 4 T23S R2E
Monthly oil production
170 months filed with the Kansas Geological Survey, Oct 1981 to Dec 2025. 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
26,905.20 bbl
Months filed
170
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Dec 2025 | 114.34 | 1 |
| Sep 2025 | 124.67 | 1 |
| Jun 2025 | 152.36 | 1 |
| Mar 2025 | 151.85 | 1 |
| Oct 2024 | 100.08 | 1 |
| Jul 2024 | 99.02 | 1 |
| May 2024 | 103.52 | 1 |
| Feb 2024 | 100.65 | 1 |
| Nov 2023 | 97.60 | 1 |
| Aug 2023 | 90.28 | 1 |
| Jun 2023 | 68.36 | 1 |
| Mar 2023 | 86.08 | 1 |
| Dec 2022 | 85.37 | 1 |
| Sep 2022 | 64.45 | 1 |
| May 2022 | 61.36 | 1 |
| Apr 2022 | 79.01 | 1 |
| Dec 2021 | 96.22 | 1 |
| Dec 2019 | 155.32 | 1 |
| Jun 2019 | 158.22 | 1 |
| Jan 2019 | 149.49 | 1 |
| Aug 2018 | 153.64 | 1 |
| Mar 2018 | 161.13 | 1 |
| Nov 2017 | 159.51 | 1 |
| Jun 2017 | 155.03 | 1 |
| Feb 2017 | 155.41 | 1 |
| Oct 2016 | 158.50 | 1 |
| Jun 2016 | 159.65 | 1 |
| Feb 2016 | 159.44 | 1 |
| Oct 2015 | 160.20 | 1 |
| Jul 2015 | 162.95 | 1 |
| Mar 2015 | 161.17 | 1 |
| Dec 2014 | 158.57 | 1 |
| Aug 2014 | 160.83 | 1 |
| Apr 2014 | 160.79 | 1 |
| Jan 2014 | 163.19 | 1 |
| Oct 2013 | 160.09 | 1 |
| Jun 2013 | 161.36 | 1 |
| Apr 2013 | 164.67 | 1 |
| Dec 2012 | 165.06 | 1 |
| Sep 2012 | 163.23 | 1 |
| Jun 2012 | 159.79 | 1 |
| Mar 2012 | 159.62 | 1 |
| Nov 2011 | 163.83 | 1 |
| Aug 2011 | 166.73 | 1 |
| May 2011 | 155.89 | 1 |
| Feb 2011 | 152.14 | 1 |
| Nov 2010 | 156.94 | 1 |
| Aug 2010 | 167.84 | 1 |
| Nov 2000 | 163.33 | 1 |
| Jun 2000 | 161.89 | 1 |
| Mar 2000 | 162.03 | 1 |
| Dec 1999 | 172.26 | 1 |
| Sep 1999 | 169.51 | 1 |
| Jun 1999 | 167.26 | 1 |
| Jan 1999 | 159.49 | 1 |
| Sep 1998 | 161.18 | 1 |
| May 1998 | 156.04 | 1 |
| Feb 1998 | 163.64 | 1 |
| Nov 1997 | 162.17 | 1 |
| Aug 1997 | 168.93 | 1 |
| May 1997 | 174.87 | 1 |
| Feb 1997 | 170.30 | 1 |
| Oct 1996 | 159.10 | 1 |
| Jul 1996 | 160.57 | 1 |
| Apr 1996 | 161.54 | 1 |
| Jan 1996 | 157.62 | 1 |
| Oct 1995 | 164.00 | 1 |
| Jul 1995 | 150.00 | 1 |
| May 1995 | 161.00 | 1 |
| Feb 1995 | 157.00 | 1 |
| Dec 1994 | 166.00 | 1 |
| Aug 1994 | 160.00 | 1 |
| May 1994 | 159.00 | 1 |
| Mar 1994 | 170.00 | 1 |
| Dec 1993 | 161.00 | 1 |
| Sep 1993 | 171.00 | 1 |
| Jul 1993 | 163.00 | 1 |
| Apr 1993 | 175.00 | 1 |
| Mar 1993 | 177.00 | 1 |
| Oct 1992 | 161.00 | 1 |
| Aug 1992 | 155.00 | 1 |
| Apr 1992 | 165.00 | 1 |
| Jan 1992 | 163.00 | 1 |
| Nov 1991 | 164.00 | 1 |
| Aug 1991 | 168.00 | 1 |
| Jun 1991 | 163.00 | 1 |
| Apr 1991 | 169.00 | 1 |
| Jan 1991 | 165.00 | 1 |
| Nov 1990 | 171.00 | 1 |
| Oct 1990 | 148.00 | 1 |
| Jul 1990 | 158.00 | 1 |
| May 1990 | 166.00 | 1 |
| Apr 1990 | 155.00 | 1 |
| Feb 1990 | 161.00 | 1 |
| Jan 1990 | 196.00 | 1 |
| Oct 1989 | 317.00 | 1 |
| Jul 1989 | 160.00 | 1 |
| Jun 1989 | 164.00 | 1 |
| Apr 1989 | 160.00 | 1 |
| Feb 1989 | 165.00 | 1 |
| Jan 1989 | 163.00 | 1 |
| Nov 1988 | 168.00 | 1 |
| Oct 1988 | 162.00 | 1 |
| Aug 1988 | 162.00 | 1 |
| Jul 1988 | 159.00 | 1 |
| May 1988 | 165.00 | 1 |
| Apr 1988 | 156.00 | 1 |
| Feb 1988 | 158.00 | 1 |
| Jan 1988 | 203.00 | 1 |
| Dec 1987 | 159.00 | 1 |
| Oct 1987 | 161.00 | 1 |
| Sep 1987 | 162.00 | 1 |
| Jul 1987 | 161.00 | 1 |
| Jun 1987 | 197.00 | 1 |
| May 1987 | 159.00 | 1 |
| Mar 1987 | 191.00 | 1 |
| Feb 1987 | 166.00 | 1 |
| Jan 1987 | 147.00 | 1 |
| Dec 1986 | 162.00 | 1 |
| Oct 1986 | 166.00 | 1 |
| Sep 1986 | 160.00 | 1 |
| Aug 1986 | 166.00 | 1 |
| Jun 1986 | 159.00 | 1 |
| May 1986 | 161.00 | 1 |
| Apr 1986 | 162.00 | 1 |
| Mar 1986 | 165.00 | 1 |
| Feb 1986 | 165.00 | 1 |
| Dec 1985 | 163.00 | 1 |
| Nov 1985 | 166.00 | 1 |
| Oct 1985 | 167.00 | 1 |
| Sep 1985 | 162.00 | 1 |
| Aug 1985 | 160.00 | 1 |
| Jul 1985 | 163.00 | 1 |
| Jun 1985 | 164.00 | 1 |
| May 1985 | 164.00 | 1 |
| Apr 1985 | 153.00 | 1 |
| Mar 1985 | 163.00 | 1 |
| Feb 1985 | 162.00 | 1 |
| Jan 1985 | 331.00 | 1 |
| Nov 1984 | 164.00 | 1 |
| Oct 1984 | 164.00 | 1 |
| Sep 1984 | 161.00 | 1 |
| Aug 1984 | 163.00 | 1 |
| Jul 1984 | 143.00 | 1 |
| Jun 1984 | 160.00 | 1 |
| May 1984 | 164.00 | 1 |
| Apr 1984 | 162.00 | 1 |
| Feb 1984 | 165.00 | 1 |
| Dec 1983 | 151.00 | 1 |
| Oct 1983 | 147.00 | 1 |
| Sep 1983 | 150.00 | 1 |
| Aug 1983 | 145.00 | 1 |
| Jul 1983 | 149.00 | 1 |
| Jun 1983 | 147.00 | 1 |
| Apr 1983 | 149.00 | 1 |
| Mar 1983 | 299.00 | 1 |
| Dec 1982 | 150.00 | 1 |
| Nov 1982 | 150.00 | 1 |
| Oct 1982 | 149.00 | 1 |
| Sep 1982 | 148.00 | 1 |
| Jul 1982 | 161.00 | 1 |
| Jun 1982 | 163.00 | 1 |
| May 1982 | 164.00 | 1 |
| Apr 1982 | 163.00 | 1 |
| Mar 1982 | 164.00 | 1 |
| Feb 1982 | 164.00 | 1 |
| Jan 1982 | 166.00 | 1 |
| Dec 1981 | 166.00 | 1 |
| Nov 1981 | 163.00 | 1 |
| Oct 1981 | 163.00 | 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
3 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| HARVEY COUNTY | 1 | Lachenmayr Oil LLC | Producing |
| HARVEY COUNTY | 2 | Lachenmayr Oil LLC | Authorized Injection Well |
| HARVEY COUNTY | 3 | unavailable | Plugged and Abandoned |
Location
38.077726, -97.215143 · CNWSE Sec 4 T23S R2E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001131489. The state’s own record.