SLIMMER #1
Lease 1001138001 · Ellis County, Kansas · Sec 12 T11S R17W · DOR 124812
Oil1986–20251 well
Operator
Mai Oil Operations, Inc.
Cumulative (state figure)
45,078.85 bbl
First production
1986
Last production
2025
Location (PLSS)
Sec 12 T11S R17W
Monthly oil production
195 months filed with the Kansas Geological Survey, May 1986 to Nov 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
45,078.80 bbl
Months filed
195
Most wells in a month
1
| Month | Oil (bbl) | Wells |
|---|---|---|
| Nov 2025 | 84.40 | 1 |
| Mar 2025 | 175.19 | 1 |
| Mar 2024 | 167.81 | 1 |
| Jun 2023 | 161.77 | 1 |
| Feb 2023 | 6.84 | 1 |
| Oct 2022 | 162.59 | 1 |
| Mar 2022 | 167.74 | 1 |
| Jul 2021 | 166.14 | 1 |
| Mar 2020 | 158.92 | 1 |
| Sep 2019 | 167.06 | 1 |
| Mar 2019 | 164.82 | 1 |
| Aug 2018 | 160.34 | 1 |
| Jan 2018 | 168.03 | 1 |
| Jun 2017 | 168.93 | 1 |
| Jan 2017 | 181.13 | 1 |
| Oct 2015 | 157.65 | 1 |
| May 2015 | 154.36 | 1 |
| Nov 2014 | 162.15 | 1 |
| May 2014 | 71.52 | 1 |
| Feb 2014 | 160.64 | 1 |
| Sep 2013 | 168.88 | 1 |
| Mar 2013 | 157.81 | 1 |
| Dec 2012 | 6.00 | 1 |
| Oct 2012 | 166.82 | 1 |
| May 2012 | 154.90 | 1 |
| Jan 2012 | 169.57 | 1 |
| Sep 2011 | 163.81 | 1 |
| Jun 2011 | 179.79 | 1 |
| Feb 2011 | 160.70 | 1 |
| Nov 2010 | 160.75 | 1 |
| Aug 2010 | 171.88 | 1 |
| May 2010 | 174.63 | 1 |
| Feb 2010 | 158.87 | 1 |
| Dec 2009 | 190.60 | 1 |
| Sep 2009 | 161.26 | 1 |
| Jul 2009 | 172.74 | 1 |
| Apr 2009 | 183.62 | 1 |
| Feb 2009 | 177.63 | 1 |
| Dec 2008 | 171.90 | 1 |
| Sep 2008 | 170.26 | 1 |
| Jul 2008 | 165.55 | 1 |
| Jun 2008 | 160.55 | 1 |
| May 2008 | 168.37 | 1 |
| Nov 2007 | 139.96 | 1 |
| Oct 2007 | 14.38 | 1 |
| Jun 2007 | 156.12 | 1 |
| Jan 2007 | 162.43 | 1 |
| Aug 2006 | 170.78 | 1 |
| Mar 2006 | 166.62 | 1 |
| Oct 2005 | 155.29 | 1 |
| Jun 2005 | 173.47 | 1 |
| Jan 2005 | 157.59 | 1 |
| Sep 2004 | 159.42 | 1 |
| May 2004 | 158.49 | 1 |
| Jan 2004 | 164.86 | 1 |
| Sep 2003 | 158.43 | 1 |
| Jun 2003 | 179.33 | 1 |
| Feb 2003 | 173.45 | 1 |
| Oct 2002 | 159.80 | 1 |
| Jul 2002 | 158.53 | 1 |
| Apr 2002 | 162.26 | 1 |
| Dec 2001 | 164.90 | 1 |
| Sep 2001 | 151.85 | 1 |
| Jun 2001 | 163.76 | 1 |
| Mar 2001 | 175.10 | 1 |
| Dec 2000 | 163.77 | 1 |
| Sep 2000 | 162.70 | 1 |
| Jun 2000 | 136.25 | 1 |
| Apr 2000 | 160.24 | 1 |
| Feb 2000 | 166.92 | 1 |
| Nov 1999 | 182.80 | 1 |
| Aug 1999 | 140.24 | 1 |
| Jun 1999 | 154.69 | 1 |
| Apr 1999 | 174.18 | 1 |
| Jan 1999 | 160.28 | 1 |
| Nov 1998 | 159.28 | 1 |
| Sep 1998 | 169.45 | 1 |
| Jun 1998 | 154.62 | 1 |
| Apr 1998 | 166.23 | 1 |
| Feb 1998 | 172.47 | 1 |
| Dec 1997 | 182.91 | 1 |
| Sep 1997 | 159.69 | 1 |
| Jul 1997 | 159.26 | 1 |
| May 1997 | 155.51 | 1 |
| Mar 1997 | 161.25 | 1 |
| Jan 1997 | 166.23 | 1 |
| Nov 1996 | 170.43 | 1 |
| Sep 1996 | 165.30 | 1 |
| Jul 1996 | 161.13 | 1 |
| May 1996 | 161.49 | 1 |
| Mar 1996 | 175.18 | 1 |
| Jan 1996 | 169.61 | 1 |
| Nov 1995 | 167.00 | 1 |
| Sep 1995 | 167.00 | 1 |
| Jul 1995 | 166.00 | 1 |
| Jun 1995 | 167.00 | 1 |
| Apr 1995 | 162.00 | 1 |
| Mar 1995 | 175.00 | 1 |
| Jan 1995 | 164.00 | 1 |
| Dec 1994 | 181.00 | 1 |
| Oct 1994 | 201.00 | 1 |
| Sep 1994 | 195.00 | 1 |
| Aug 1994 | 165.00 | 1 |
| Jun 1994 | 180.00 | 1 |
| May 1994 | 179.00 | 1 |
| Mar 1994 | 163.00 | 1 |
| Feb 1994 | 176.00 | 1 |
| Dec 1993 | 204.00 | 1 |
| Nov 1993 | 179.00 | 1 |
| Sep 1993 | 169.00 | 1 |
| Aug 1993 | 169.00 | 1 |
| Jul 1993 | 205.00 | 1 |
| May 1993 | 175.00 | 1 |
| Apr 1993 | 176.00 | 1 |
| Mar 1993 | 205.00 | 1 |
| Jan 1993 | 174.00 | 1 |
| Dec 1992 | 148.00 | 1 |
| Nov 1992 | 146.00 | 1 |
| Oct 1992 | 168.00 | 1 |
| Sep 1992 | 209.00 | 1 |
| Jul 1992 | 220.00 | 1 |
| Jun 1992 | 182.00 | 1 |
| May 1992 | 201.00 | 1 |
| Apr 1992 | 90.00 | 1 |
| Mar 1992 | 168.00 | 1 |
| Feb 1992 | 169.00 | 1 |
| Jan 1992 | 207.00 | 1 |
| Dec 1991 | 208.00 | 1 |
| Nov 1991 | 199.00 | 1 |
| Oct 1991 | 208.00 | 1 |
| Sep 1991 | 200.00 | 1 |
| Aug 1991 | 201.00 | 1 |
| Jul 1991 | 397.00 | 1 |
| Jun 1991 | 206.00 | 1 |
| May 1991 | 208.00 | 1 |
| Apr 1991 | 204.00 | 1 |
| Mar 1991 | 204.00 | 1 |
| Feb 1991 | 209.00 | 1 |
| Jan 1991 | 208.00 | 1 |
| Dec 1990 | 409.00 | 1 |
| Nov 1990 | 207.00 | 1 |
| Oct 1990 | 207.00 | 1 |
| Sep 1990 | 211.00 | 1 |
| Aug 1990 | 213.00 | 1 |
| Jul 1990 | 396.00 | 1 |
| Jun 1990 | 203.00 | 1 |
| May 1990 | 418.00 | 1 |
| Apr 1990 | 204.00 | 1 |
| Mar 1990 | 207.00 | 1 |
| Feb 1990 | 211.00 | 1 |
| Jan 1990 | 417.00 | 1 |
| Dec 1989 | 206.00 | 1 |
| Nov 1989 | 407.00 | 1 |
| Oct 1989 | 413.00 | 1 |
| Sep 1989 | 209.00 | 1 |
| Aug 1989 | 403.00 | 1 |
| Jul 1989 | 411.00 | 1 |
| Jun 1989 | 202.00 | 1 |
| May 1989 | 416.00 | 1 |
| Apr 1989 | 208.00 | 1 |
| Mar 1989 | 414.00 | 1 |
| Feb 1989 | 207.00 | 1 |
| Jan 1989 | 211.00 | 1 |
| Dec 1988 | 414.00 | 1 |
| Nov 1988 | 208.00 | 1 |
| Oct 1988 | 206.00 | 1 |
| Sep 1988 | 393.00 | 1 |
| Aug 1988 | 402.00 | 1 |
| Jul 1988 | 203.00 | 1 |
| Jun 1988 | 388.00 | 1 |
| May 1988 | 404.00 | 1 |
| Apr 1988 | 208.00 | 1 |
| Mar 1988 | 417.00 | 1 |
| Feb 1988 | 412.00 | 1 |
| Jan 1988 | 418.00 | 1 |
| Dec 1987 | 208.00 | 1 |
| Nov 1987 | 419.00 | 1 |
| Oct 1987 | 418.00 | 1 |
| Sep 1987 | 454.00 | 1 |
| Aug 1987 | 409.00 | 1 |
| Jul 1987 | 619.00 | 1 |
| Jun 1987 | 413.00 | 1 |
| May 1987 | 612.00 | 1 |
| Apr 1987 | 417.00 | 1 |
| Mar 1987 | 630.00 | 1 |
| Feb 1987 | 420.00 | 1 |
| Jan 1987 | 606.00 | 1 |
| Dec 1986 | 834.00 | 1 |
| Nov 1986 | 622.00 | 1 |
| Oct 1986 | 570.00 | 1 |
| Sep 1986 | 606.00 | 1 |
| Aug 1986 | 801.00 | 1 |
| Jul 1986 | 597.00 | 1 |
| Jun 1986 | 788.00 | 1 |
| May 1986 | 205.00 | 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
1 well the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| SLIMMER | 1 | Mai Oil Operations, Inc. | Plugged and Abandoned |
Location
39.111283, -99.157402 · Sec 12 T11S R17W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001138001. The state’s own record.