NORTH FOLLMER
Lease 1001133734 · Wilson County, Kansas · E2NENE Sec 9 T27S R15E · DOR 120476
Oil1983–20268 wells
Operator
River Rock Operating, LLC
Cumulative (state figure)
59,296.01 bbl
First production
1983
Last production
2026
Location (PLSS)
E2NENE Sec 9 T27S R15E
Monthly oil production
372 months filed with the Kansas Geological Survey, Dec 1983 to Mar 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
59,296.00 bbl
Months filed
372
Most wells in a month
8
| Month | Oil (bbl) | Wells |
|---|---|---|
| Mar 2026 | 83.51 | 8 |
| Nov 2025 | 110.18 | 8 |
| Aug 2025 | 57.53 | 8 |
| Jun 2025 | 100.04 | 8 |
| Apr 2025 | 75.67 | 8 |
| Mar 2025 | 25.91 | 8 |
| Dec 2024 | 89.38 | 6 |
| Oct 2024 | 95.03 | 6 |
| Aug 2024 | 94.95 | 6 |
| Jul 2024 | 85.99 | 6 |
| Jun 2024 | 112.31 | 6 |
| May 2024 | 65.86 | 6 |
| Apr 2024 | 142.67 | 6 |
| Feb 2024 | 118.34 | 6 |
| Jan 2024 | 234.68 | 6 |
| Nov 2023 | 159.88 | 6 |
| Sep 2023 | 109.67 | 6 |
| Aug 2023 | 92.01 | 6 |
| May 2023 | 105.40 | 6 |
| Apr 2023 | 75.60 | 6 |
| Mar 2023 | 78.20 | 6 |
| Feb 2023 | 156.59 | 6 |
| Jan 2023 | 30.85 | 6 |
| Dec 2022 | 76.81 | 6 |
| Nov 2022 | 151.03 | 8 |
| Sep 2022 | 100.06 | 8 |
| Aug 2022 | 49.25 | 8 |
| Jul 2022 | 71.56 | 8 |
| Jun 2022 | 90.32 | 8 |
| Apr 2022 | 116.78 | 8 |
| Mar 2022 | 41.58 | 8 |
| Feb 2022 | 93.43 | 8 |
| Dec 2021 | 81.47 | 8 |
| Nov 2021 | 63.10 | 8 |
| Oct 2021 | 122.32 | 8 |
| Aug 2021 | 60.96 | 8 |
| Jun 2021 | 78.08 | 8 |
| Apr 2021 | 70.62 | 8 |
| Feb 2021 | 94.44 | 8 |
| Dec 2020 | 103.27 | 8 |
| Oct 2020 | 89.79 | 8 |
| Aug 2020 | 104.06 | 8 |
| Jul 2020 | 151.89 | 8 |
| Apr 2020 | 156.92 | 8 |
| Mar 2020 | 1.19 | 8 |
| Feb 2020 | 100.06 | 8 |
| Nov 2019 | 10.39 | 8 |
| Sep 2019 | 15.49 | 8 |
| Jul 2019 | 18.83 | 8 |
| May 2019 | 42.20 | 8 |
| Feb 2019 | 43.11 | 8 |
| Oct 2018 | 63.90 | 4 |
| Aug 2018 | 87.16 | 4 |
| Apr 2018 | 103.09 | 4 |
| Mar 2018 | 65.36 | 4 |
| Feb 2018 | 76.11 | 4 |
| Jan 2018 | 65.71 | 4 |
| Dec 2017 | 97.83 | 4 |
| Nov 2017 | 62.28 | 4 |
| Oct 2017 | 156.08 | 4 |
| Sep 2017 | 81.67 | 4 |
| Aug 2017 | 119.75 | 4 |
| Jul 2017 | 81.04 | 4 |
| Jun 2017 | 150.67 | 4 |
| May 2017 | 151.87 | 4 |
| Mar 2017 | 146.57 | 8 |
| Feb 2017 | 170.60 | 8 |
| Jan 2017 | 85.39 | 8 |
| Dec 2016 | 79.79 | 8 |
| Nov 2016 | 100.24 | 8 |
| Oct 2016 | 112.25 | 8 |
| Sep 2016 | 98.94 | 8 |
| Aug 2016 | 101.70 | 8 |
| Jul 2016 | 86.45 | 8 |
| Jun 2016 | 98.26 | 8 |
| May 2016 | 162.89 | 8 |
| Apr 2016 | 93.13 | 8 |
| Mar 2016 | 134.14 | 8 |
| Feb 2016 | 214.20 | 8 |
| Dec 2015 | 175.17 | 8 |
| Nov 2015 | 203.44 | 8 |
| Oct 2015 | 174.45 | 8 |
| Sep 2015 | 205.55 | 8 |
| Aug 2015 | 157.14 | 8 |
| Jul 2015 | 95.67 | 8 |
| Jun 2015 | 171.11 | 8 |
| May 2015 | 195.41 | 8 |
| Apr 2015 | 187.90 | 8 |
| Mar 2015 | 194.51 | 8 |
| Feb 2015 | 173.76 | 8 |
| Jan 2015 | 217.52 | 8 |
| Dec 2014 | 256.61 | 8 |
| Nov 2014 | 278.68 | 4 |
| Oct 2014 | 236.65 | 4 |
| Sep 2014 | 283.50 | 4 |
| Aug 2014 | 268.96 | 4 |
| Jul 2014 | 166.45 | 4 |
| Jun 2014 | 167.74 | 4 |
| May 2014 | 158.54 | 4 |
| Apr 2014 | 162.59 | 4 |
| Mar 2014 | 150.04 | 4 |
| Feb 2014 | 214.41 | 4 |
| Jan 2014 | 244.89 | 4 |
| Dec 2013 | 240.67 | 4 |
| Nov 2013 | 396.38 | 4 |
| Oct 2013 | 309.34 | 4 |
| Sep 2013 | 468.24 | 4 |
| Aug 2013 | 791.20 | 4 |
| Jul 2013 | 485.37 | 4 |
| Jun 2013 | 159.67 | 4 |
| Apr 2013 | 174.01 | 4 |
| Feb 2013 | 28.96 | 4 |
| Jan 2013 | 179.63 | 4 |
| Nov 2012 | 153.96 | 4 |
| Sep 2012 | 159.54 | 4 |
| Jul 2012 | 74.10 | 4 |
| Jun 2012 | 159.93 | 4 |
| Apr 2012 | 130.76 | 4 |
| Feb 2012 | 125.57 | 4 |
| Dec 2011 | 261.34 | 4 |
| Nov 2011 | 126.61 | 4 |
| Sep 2011 | 167.49 | 4 |
| Aug 2011 | 120.83 | 4 |
| Jul 2011 | 75.46 | 4 |
| Apr 2011 | 60.57 | 4 |
| Jan 2011 | 115.95 | 4 |
| Jul 2010 | 75.60 | 4 |
| Mar 2010 | 78.20 | 4 |
| Feb 2010 | 39.63 | 4 |
| Nov 2009 | 69.23 | 4 |
| Sep 2009 | 97.97 | 4 |
| Jul 2009 | 93.64 | 4 |
| May 2009 | 41.98 | 4 |
| Feb 2009 | 57.11 | 4 |
| Nov 2008 | 73.06 | 4 |
| Sep 2008 | 66.72 | 4 |
| Jun 2008 | 76.07 | 4 |
| Mar 2008 | 65.54 | 4 |
| Jan 2008 | 62.38 | 4 |
| Dec 2007 | 62.38 | 4 |
| Oct 2007 | 60.19 | 4 |
| Sep 2007 | 60.45 | 4 |
| Apr 2007 | 63.09 | 4 |
| Feb 2007 | 31.75 | 4 |
| Jan 2007 | 70.05 | 4 |
| Nov 2006 | 56.92 | 4 |
| Sep 2006 | 85.94 | 4 |
| Jul 2006 | 37.98 | 4 |
| Jun 2006 | 32.82 | 4 |
| May 2006 | 70.87 | 4 |
| Apr 2006 | 70.57 | 4 |
| Feb 2006 | 63.82 | 4 |
| Dec 2005 | 75.27 | 4 |
| Oct 2005 | 89.08 | 4 |
| Jul 2005 | 95.26 | 4 |
| May 2005 | 36.88 | 4 |
| Mar 2005 | 63.27 | 4 |
| Jan 2005 | 32.07 | 4 |
| Nov 2004 | 50.89 | 4 |
| Oct 2004 | 55.70 | 4 |
| Sep 2004 | 29.36 | 4 |
| Aug 2004 | 69.77 | 4 |
| Jul 2004 | 92.84 | 4 |
| Jun 2004 | 70.88 | 4 |
| May 2004 | 47.90 | 4 |
| Mar 2004 | 75.68 | 4 |
| Feb 2004 | 38.54 | 4 |
| Jan 2004 | 32.84 | 4 |
| Dec 2003 | 51.51 | 4 |
| Nov 2003 | 40.37 | 4 |
| Oct 2003 | 70.95 | 4 |
| Sep 2003 | 32.11 | 4 |
| Aug 2003 | 19.48 | 4 |
| Jul 2003 | 44.36 | 4 |
| Jun 2003 | 29.35 | 4 |
| May 2003 | 31.23 | 4 |
| Apr 2003 | 27.43 | 4 |
| Mar 2003 | 64.00 | 4 |
| Jan 2003 | 77.14 | 4 |
| Dec 2002 | 36.69 | 4 |
| Nov 2002 | 24.57 | 4 |
| Oct 2002 | 66.93 | 4 |
| Sep 2002 | 73.07 | 4 |
| Aug 2002 | 53.92 | 4 |
| Jul 2002 | 67.96 | 4 |
| Sep 2001 | 68.92 | 4 |
| Aug 2001 | 55.37 | 4 |
| Jul 2001 | 90.57 | 4 |
| Jun 2001 | 64.56 | 4 |
| May 2001 | 32.27 | 4 |
| Apr 2001 | 72.06 | 4 |
| Mar 2001 | 113.58 | 4 |
| Feb 2001 | 69.02 | 4 |
| Jan 2001 | 40.97 | 4 |
| Dec 2000 | 122.54 | 4 |
| Nov 2000 | 90.21 | 4 |
| Oct 2000 | 110.42 | 4 |
| Sep 2000 | 72.30 | 4 |
| Aug 2000 | 75.84 | 4 |
| Jul 2000 | 106.33 | 4 |
| Jun 2000 | 91.64 | 4 |
| May 2000 | 132.00 | 4 |
| Apr 2000 | 64.97 | 4 |
| Mar 2000 | 107.25 | 4 |
| Feb 2000 | 110.94 | 4 |
| Jan 2000 | 126.56 | 4 |
| Dec 1999 | 98.94 | 4 |
| Nov 1999 | 148.46 | 4 |
| Oct 1999 | 165.27 | 4 |
| Sep 1999 | 163.89 | 4 |
| Aug 1999 | 96.41 | 4 |
| Sep 1998 | 13.98 | 4 |
| Aug 1998 | 56.19 | 4 |
| Jul 1998 | 69.28 | 4 |
| Jun 1998 | 67.48 | 4 |
| May 1998 | 68.37 | 4 |
| Apr 1998 | 76.58 | 4 |
| Mar 1998 | 79.35 | 4 |
| Feb 1998 | 74.79 | 4 |
| Jan 1998 | 73.16 | 4 |
| Dec 1997 | 96.63 | 4 |
| Nov 1997 | 142.92 | 4 |
| Oct 1997 | 75.02 | 4 |
| Sep 1997 | 117.15 | 4 |
| Aug 1997 | 116.40 | 4 |
| Jul 1997 | 120.03 | 4 |
| Jun 1997 | 90.79 | 4 |
| May 1997 | 105.15 | 4 |
| Apr 1997 | 150.71 | 4 |
| Mar 1997 | 157.85 | 4 |
| Feb 1997 | 143.93 | 4 |
| Jan 1997 | 150.85 | 4 |
| Dec 1996 | 172.53 | 4 |
| Nov 1996 | 142.37 | 4 |
| Oct 1996 | 161.71 | 4 |
| Sep 1996 | 118.17 | 4 |
| Aug 1996 | 147.52 | 4 |
| Jul 1996 | 158.14 | 4 |
| Jun 1996 | 96.95 | 4 |
| May 1996 | 41.15 | 4 |
| Apr 1996 | 108.64 | 4 |
| Mar 1996 | 164.98 | 4 |
| Feb 1996 | 127.91 | 4 |
| Jan 1996 | 159.18 | 4 |
| Dec 1995 | 96.00 | 1 |
| Nov 1995 | 189.00 | 1 |
| Oct 1995 | 180.00 | 1 |
| Sep 1995 | 224.00 | 1 |
| Aug 1995 | 224.00 | 1 |
| Sep 1994 | 28.00 | 1 |
| Aug 1994 | 81.00 | 1 |
| Jul 1994 | 85.00 | 1 |
| Jun 1994 | 82.00 | 1 |
| May 1994 | 106.00 | 1 |
| Apr 1994 | 84.00 | 1 |
| Mar 1994 | 131.00 | 1 |
| Feb 1994 | 108.00 | 1 |
| Jan 1994 | 119.00 | 1 |
| Dec 1993 | 126.00 | 1 |
| Nov 1993 | 129.00 | 1 |
| Oct 1993 | 138.00 | 1 |
| Sep 1993 | 202.00 | 1 |
| Aug 1993 | 311.00 | 1 |
| Jul 1993 | 152.00 | 1 |
| Jun 1993 | 62.00 | 1 |
| May 1993 | 178.00 | 1 |
| Dec 1992 | 117.00 | 1 |
| Nov 1992 | 134.00 | 1 |
| Oct 1992 | 177.00 | 1 |
| Sep 1992 | 168.00 | 1 |
| Aug 1992 | 165.00 | 1 |
| Jul 1992 | 64.00 | 1 |
| Jun 1992 | 138.00 | 1 |
| May 1992 | 239.00 | 1 |
| Apr 1992 | 239.00 | 1 |
| Mar 1992 | 120.00 | 1 |
| Feb 1992 | 124.00 | 1 |
| Jan 1992 | 176.00 | 1 |
| Dec 1991 | 171.00 | 1 |
| Nov 1991 | 162.00 | 1 |
| Oct 1991 | 165.00 | 1 |
| Sep 1991 | 150.00 | 1 |
| Aug 1991 | 146.00 | 1 |
| Jul 1991 | 170.00 | 1 |
| Jun 1991 | 201.00 | 1 |
| May 1991 | 215.00 | 1 |
| Apr 1991 | 186.00 | 1 |
| Mar 1991 | 180.00 | 1 |
| Feb 1991 | 189.00 | 1 |
| Jan 1991 | 207.00 | 1 |
| Dec 1990 | 183.00 | 1 |
| Nov 1990 | 174.00 | 1 |
| Oct 1990 | 225.00 | 1 |
| Sep 1990 | 180.00 | 1 |
| Aug 1990 | 217.00 | 1 |
| Jul 1990 | 231.00 | 1 |
| Jun 1990 | 226.00 | 1 |
| May 1990 | 238.00 | 1 |
| Apr 1990 | 215.00 | 1 |
| Mar 1990 | 230.00 | 1 |
| Feb 1990 | 181.00 | 1 |
| Jan 1990 | 200.00 | 1 |
| Dec 1989 | 214.00 | 1 |
| Nov 1989 | 206.00 | 1 |
| Oct 1989 | 206.00 | 1 |
| Sep 1989 | 170.00 | 1 |
| Aug 1989 | 193.00 | 1 |
| Jul 1989 | 228.00 | 1 |
| Jun 1989 | 186.00 | 1 |
| May 1989 | 276.00 | 1 |
| Apr 1989 | 191.00 | 1 |
| Mar 1989 | 267.00 | 1 |
| Feb 1989 | 267.00 | 1 |
| Jan 1989 | 153.00 | 1 |
| Oct 1988 | 227.00 | 1 |
| Sep 1988 | 238.00 | 1 |
| Aug 1988 | 230.00 | 1 |
| Jul 1988 | 253.00 | 1 |
| Jun 1988 | 222.00 | 1 |
| May 1988 | 298.00 | 1 |
| Apr 1988 | 249.00 | 1 |
| Mar 1988 | 319.00 | 1 |
| Feb 1988 | 236.00 | 1 |
| Jan 1988 | 258.00 | 1 |
| Dec 1987 | 286.00 | 1 |
| Nov 1987 | 235.00 | 1 |
| Oct 1987 | 280.00 | 1 |
| Sep 1987 | 402.00 | 1 |
| Aug 1987 | 295.00 | 1 |
| Jul 1987 | 287.00 | 1 |
| Jun 1987 | 285.00 | 1 |
| May 1987 | 287.00 | 1 |
| Apr 1987 | 228.00 | 1 |
| Mar 1987 | 238.00 | 1 |
| Feb 1987 | 220.00 | 1 |
| Jan 1987 | 265.00 | 1 |
| Dec 1986 | 273.00 | 1 |
| Nov 1986 | 312.00 | 1 |
| Oct 1986 | 257.00 | 1 |
| Sep 1986 | 296.00 | 1 |
| Aug 1986 | 320.00 | 1 |
| Jul 1986 | 392.00 | 1 |
| Jun 1986 | 339.00 | 1 |
| May 1986 | 454.00 | 1 |
| Apr 1986 | 362.00 | 1 |
| Mar 1986 | 403.00 | 1 |
| Feb 1986 | 357.00 | 1 |
| Jan 1986 | 443.00 | 1 |
| Dec 1985 | 360.00 | 1 |
| Nov 1985 | 576.00 | 1 |
| Oct 1985 | 612.00 | 1 |
| Sep 1985 | 457.00 | 1 |
| Aug 1985 | 320.00 | 1 |
| Jun 1985 | 307.00 | 1 |
| May 1985 | 333.00 | 1 |
| Apr 1985 | 327.00 | 1 |
| Mar 1985 | 462.00 | 1 |
| Feb 1985 | 407.00 | 1 |
| Jan 1985 | 240.00 | 1 |
| Dec 1984 | 397.00 | 1 |
| Nov 1984 | 430.00 | 1 |
| Oct 1984 | 413.00 | 1 |
| Sep 1984 | 409.00 | 1 |
| Aug 1984 | 557.00 | 1 |
| Jul 1984 | 654.00 | 1 |
| Jun 1984 | 821.00 | 1 |
| May 1984 | 320.00 | 1 |
| Apr 1984 | 333.00 | 1 |
| Mar 1984 | 462.00 | 1 |
| Feb 1984 | 582.00 | 1 |
| Jan 1984 | 331.00 | 1 |
| Dec 1983 | 224.00 | 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
8 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| North Follmer | 1 | River Rock Operating, LLC | Producing |
| North Follmer | 2 | River Rock Operating, LLC | Producing |
| North Follmer | 3 | River Rock Operating, LLC | Producing |
| North Follmer | 4 | River Rock Operating, LLC | Producing |
| NORTH FOLLMER | 6 | River Rock Operating, LLC | Producing |
| Follmer, W. C. | 9-2 | River Rock Operating, LLC | Producing |
| Follmer, W. C. | 9-1 | River Rock Operating, LLC | Producing |
| Follmer, W. C. | 9-3 | River Rock Operating, LLC | Producing |
Location
37.717501, -95.761606 · E2NENE Sec 9 T27S R15E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001133734. The state’s own record.