SCHWALLER MAE
Lease 1001117679 · Ellis County, Kansas · NWNENE Sec 6 T14S R19W · DOR 108226
Monthly oil production
490 months filed with the Kansas Geological Survey, Apr 1980 to Apr 2026. Volumes are bbl at lease level — a lease can cover many wells, so this is not a well's output.
This lease was producing before 1980, and the series begins in January 1980. The total above covers the months shown, not the life of the lease; the state's own cumulative is 509,108.10 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Apr 2026 | 164.37 | 3 |
| Mar 2026 | 324.39 | 3 |
| Feb 2026 | 314.34 | 3 |
| Jan 2026 | 162.71 | 3 |
| Dec 2025 | 326.28 | 3 |
| Nov 2025 | 161.84 | 3 |
| Oct 2025 | 331.12 | 3 |
| Sep 2025 | 182.70 | 3 |
| Aug 2025 | 300.47 | 3 |
| Jul 2025 | 279.89 | 3 |
| Jun 2025 | 288.48 | 3 |
| May 2025 | 350.53 | 3 |
| Apr 2025 | 340.84 | 3 |
| Mar 2025 | 344.28 | 3 |
| Feb 2025 | 341.26 | 3 |
| Jan 2025 | 343.34 | 3 |
| Dec 2024 | 316.64 | 3 |
| Nov 2024 | 160.25 | 3 |
| Oct 2024 | 326.69 | 3 |
| Sep 2024 | 494.11 | 3 |
| Aug 2024 | 334.01 | 3 |
| Jul 2024 | 342.35 | 3 |
| Jun 2024 | 178.60 | 3 |
| May 2024 | 144.93 | 3 |
| Apr 2024 | 336.87 | 3 |
| Mar 2024 | 345.73 | 3 |
| Feb 2024 | 181.64 | 3 |
| Jan 2024 | 182.92 | 3 |
| Dec 2023 | 332.18 | 3 |
| Nov 2023 | 316.62 | 3 |
| Oct 2023 | 494.27 | 3 |
| Sep 2023 | 171.08 | 3 |
| Aug 2023 | 164.31 | 3 |
| Jul 2023 | 335.89 | 3 |
| Jun 2023 | 332.61 | 3 |
| May 2023 | 160.02 | 3 |
| Apr 2023 | 182.06 | 3 |
| Mar 2023 | 177.97 | 3 |
| Feb 2023 | 171.36 | 3 |
| Jan 2023 | 499.67 | 3 |
| Nov 2022 | 169.81 | 3 |
| Oct 2022 | 334.06 | 3 |
| Sep 2022 | 164.90 | 3 |
| Aug 2022 | 340.72 | 3 |
| Jul 2022 | 178.90 | 3 |
| Jun 2022 | 183.03 | 3 |
| May 2022 | 312.16 | 3 |
| Apr 2022 | 161.43 | 3 |
| Mar 2022 | 349.61 | 3 |
| Feb 2022 | 181.88 | 3 |
| Jan 2022 | 322.47 | 3 |
| Dec 2021 | 165.58 | 3 |
| Nov 2021 | 322.45 | 3 |
| Oct 2021 | 160.26 | 3 |
| Sep 2021 | 312.85 | 3 |
| Aug 2021 | 334.08 | 3 |
| Jul 2021 | 325.01 | 3 |
| Jun 2021 | 166.03 | 3 |
| May 2021 | 335.73 | 3 |
| Apr 2021 | 180.45 | 3 |
| Mar 2021 | 344.39 | 3 |
| Feb 2021 | 344.59 | 3 |
| Jan 2021 | 175.55 | 3 |
| Dec 2020 | 317.33 | 3 |
| Nov 2020 | 321.65 | 3 |
| Oct 2020 | 164.39 | 3 |
| Sep 2020 | 161.95 | 3 |
| Aug 2020 | 165.66 | 3 |
| Jul 2020 | 315.65 | 3 |
| Jun 2020 | 290.18 | 3 |
| May 2020 | 335.34 | 3 |
| Apr 2020 | 345.30 | 3 |
| Mar 2020 | 165.42 | 3 |
| Feb 2020 | 323.56 | 3 |
| Jan 2020 | 339.33 | 3 |
| Dec 2019 | 173.87 | 3 |
| Nov 2019 | 307.89 | 3 |
| Oct 2019 | 355.87 | 3 |
| Sep 2019 | 311.53 | 3 |
| Aug 2019 | 171.42 | 3 |
| Jul 2019 | 325.92 | 3 |
| Jun 2019 | 298.58 | 3 |
| May 2019 | 314.63 | 3 |
| Apr 2019 | 359.22 | 3 |
| Mar 2019 | 355.35 | 3 |
| Feb 2019 | 468.38 | 3 |
| Jan 2019 | 24.49 | 3 |
| Dec 2018 | 184.05 | 3 |
| Nov 2018 | 311.95 | 3 |
| Oct 2018 | 316.05 | 3 |
| Sep 2018 | 316.08 | 3 |
| Aug 2018 | 332.90 | 3 |
| Jul 2018 | 165.65 | 3 |
| Jun 2018 | 333.25 | 3 |
| May 2018 | 323.70 | 3 |
| Apr 2018 | 203.27 | 3 |
| Mar 2018 | 157.18 | 3 |
| Feb 2018 | 329.91 | 3 |
| Jan 2018 | 495.06 | 3 |
| Dec 2017 | 356.52 | 3 |
| Nov 2017 | 165.93 | 3 |
| Oct 2017 | 319.66 | 3 |
| Sep 2017 | 297.38 | 3 |
| Aug 2017 | 389.90 | 3 |
| Jul 2017 | 168.66 | 3 |
| Jun 2017 | 291.94 | 3 |
| May 2017 | 318.08 | 3 |
| Apr 2017 | 158.71 | 3 |
| Mar 2017 | 401.83 | 3 |
| Feb 2017 | 437.45 | 3 |
| Jan 2017 | 298.15 | 3 |
| Dec 2016 | 463.50 | 3 |
| Nov 2016 | 318.69 | 3 |
| Oct 2016 | 160.70 | 3 |
| Sep 2016 | 275.19 | 3 |
| Aug 2016 | 319.25 | 3 |
| Jul 2016 | 160.65 | 3 |
| Jun 2016 | 297.56 | 3 |
| May 2016 | 304.17 | 3 |
| Apr 2016 | 330.54 | 3 |
| Mar 2016 | 320.28 | 3 |
| Feb 2016 | 155.30 | 3 |
| Jan 2016 | 318.30 | 3 |
| Dec 2015 | 331.67 | 3 |
| Nov 2015 | 337.97 | 3 |
| Oct 2015 | 316.37 | 3 |
| Sep 2015 | 329.62 | 3 |
| Aug 2015 | 322.91 | 3 |
| Jul 2015 | 314.52 | 3 |
| Jun 2015 | 331.46 | 3 |
| May 2015 | 338.77 | 3 |
| Apr 2015 | 335.26 | 3 |
| Mar 2015 | 326.65 | 3 |
| Feb 2015 | 176.83 | 3 |
| Jan 2015 | 337.34 | 3 |
| Dec 2014 | 346.97 | 3 |
| Nov 2014 | 342.44 | 3 |
| Oct 2014 | 330.12 | 3 |
| Sep 2014 | 333.32 | 3 |
| Aug 2014 | 329.49 | 3 |
| Jul 2014 | 329.58 | 3 |
| Jun 2014 | 334.08 | 3 |
| May 2014 | 343.30 | 3 |
| Apr 2014 | 328.48 | 3 |
| Mar 2014 | 170.96 | 3 |
| Feb 2014 | 338.24 | 3 |
| Jan 2014 | 336.75 | 3 |
| Dec 2013 | 347.67 | 3 |
| Nov 2013 | 348.69 | 3 |
| Oct 2013 | 345.23 | 3 |
| Sep 2013 | 328.12 | 3 |
| Aug 2013 | 340.02 | 3 |
| Jul 2013 | 339.23 | 3 |
| Jun 2013 | 333.97 | 3 |
| May 2013 | 326.57 | 3 |
| Apr 2013 | 351.84 | 3 |
| Mar 2013 | 340.46 | 3 |
| Feb 2013 | 166.31 | 3 |
| Jan 2013 | 530.89 | 3 |
| Dec 2012 | 179.74 | 3 |
| Nov 2012 | 343.00 | 3 |
| Oct 2012 | 514.73 | 3 |
| Sep 2012 | 173.61 | 3 |
| Aug 2012 | 501.26 | 3 |
| Jul 2012 | 322.66 | 3 |
| Jun 2012 | 344.04 | 3 |
| May 2012 | 333.77 | 3 |
| Apr 2012 | 324.60 | 3 |
| Mar 2012 | 331.48 | 3 |
| Feb 2012 | 337.38 | 3 |
| Jan 2012 | 494.95 | 3 |
| Dec 2011 | 165.81 | 3 |
| Nov 2011 | 517.55 | 3 |
| Oct 2011 | 340.03 | 3 |
| Sep 2011 | 354.27 | 3 |
| Aug 2011 | 326.34 | 3 |
| Jul 2011 | 337.62 | 3 |
| Jun 2011 | 341.94 | 3 |
| May 2011 | 337.79 | 3 |
| Apr 2011 | 496.88 | 3 |
| Mar 2011 | 355.49 | 3 |
| Feb 2011 | 505.79 | 3 |
| Jan 2011 | 361.71 | 3 |
| Dec 2010 | 165.77 | 3 |
| Nov 2010 | 509.13 | 3 |
| Oct 2010 | 330.32 | 3 |
| Sep 2010 | 336.76 | 3 |
| Aug 2010 | 332.21 | 3 |
| Jul 2010 | 499.96 | 3 |
| Jun 2010 | 340.61 | 3 |
| May 2010 | 335.07 | 3 |
| Apr 2010 | 332.28 | 3 |
| Mar 2010 | 515.01 | 3 |
| Feb 2010 | 341.04 | 3 |
| Jan 2010 | 351.87 | 3 |
| Dec 2009 | 364.48 | 3 |
| Nov 2009 | 511.59 | 3 |
| Oct 2009 | 349.16 | 3 |
| Sep 2009 | 337.63 | 3 |
| Aug 2009 | 511.76 | 3 |
| Jul 2009 | 341.17 | 3 |
| Jun 2009 | 508.16 | 3 |
| May 2009 | 169.01 | 3 |
| Apr 2009 | 506.36 | 3 |
| Mar 2009 | 344.70 | 3 |
| Feb 2009 | 332.41 | 3 |
| Jan 2009 | 509.76 | 3 |
| Dec 2008 | 338.06 | 3 |
| Nov 2008 | 358.59 | 3 |
| Oct 2008 | 510.06 | 3 |
| Sep 2008 | 514.41 | 3 |
| Aug 2008 | 333.88 | 3 |
| Jul 2008 | 505.93 | 3 |
| Jun 2008 | 346.85 | 3 |
| May 2008 | 341.08 | 3 |
| Apr 2008 | 341.83 | 3 |
| Mar 2008 | 517.15 | 3 |
| Feb 2008 | 342.87 | 3 |
| Jan 2008 | 520.43 | 3 |
| Dec 2007 | 344.95 | 3 |
| Nov 2007 | 513.88 | 3 |
| Oct 2007 | 502.81 | 3 |
| Sep 2007 | 339.92 | 3 |
| Aug 2007 | 517.79 | 3 |
| Jul 2007 | 515.90 | 3 |
| Jun 2007 | 332.73 | 3 |
| May 2007 | 335.44 | 3 |
| Apr 2007 | 519.92 | 3 |
| Mar 2007 | 511.72 | 3 |
| Feb 2007 | 343.98 | 3 |
| Jan 2007 | 167.80 | 3 |
| Dec 2006 | 503.88 | 3 |
| Nov 2006 | 530.19 | 3 |
| Oct 2006 | 343.85 | 3 |
| Sep 2006 | 515.01 | 3 |
| Aug 2006 | 516.19 | 3 |
| Jul 2006 | 506.25 | 3 |
| Jun 2006 | 501.81 | 3 |
| May 2006 | 508.37 | 3 |
| Apr 2006 | 520.29 | 3 |
| Mar 2006 | 529.78 | 3 |
| Feb 2006 | 523.79 | 3 |
| Jan 2006 | 520.33 | 3 |
| Dec 2005 | 501.14 | 3 |
| Nov 2005 | 660.87 | 3 |
| Oct 2005 | 320.49 | 3 |
| Sep 2005 | 489.03 | 3 |
| Aug 2005 | 498.94 | 3 |
| Jul 2005 | 499.18 | 3 |
| Jun 2005 | 495.14 | 3 |
| May 2005 | 485.61 | 3 |
| Apr 2005 | 490.79 | 3 |
| Mar 2005 | 668.31 | 3 |
| Feb 2005 | 505.24 | 3 |
| Jan 2005 | 504.37 | 3 |
| Dec 2004 | 672.19 | 3 |
| Nov 2004 | 330.76 | 3 |
| Oct 2004 | 649.77 | 3 |
| Sep 2004 | 510.74 | 3 |
| Aug 2004 | 505.96 | 3 |
| Jul 2004 | 685.18 | 3 |
| Jun 2004 | 499.22 | 3 |
| May 2004 | 662.84 | 3 |
| Apr 2004 | 512.32 | 3 |
| Mar 2004 | 849.37 | 3 |
| Feb 2004 | 504.43 | 3 |
| Jan 2004 | 692.96 | 3 |
| Dec 2003 | 522.57 | 3 |
| Nov 2003 | 664.37 | 3 |
| Oct 2003 | 705.36 | 3 |
| Sep 2003 | 673.21 | 3 |
| Aug 2003 | 672.81 | 3 |
| Jul 2003 | 1,013.17 | 3 |
| Jun 2003 | 850.78 | 3 |
| May 2003 | 675.74 | 3 |
| Apr 2003 | 492.96 | 3 |
| Mar 2003 | 343.83 | 3 |
| Feb 2003 | 371.24 | 3 |
| Jan 2003 | 164.83 | 3 |
| Dec 2002 | 339.96 | 3 |
| Nov 2002 | 336.69 | 3 |
| Oct 2002 | 342.11 | 3 |
| Sep 2002 | 175.88 | 3 |
| Aug 2002 | 345.27 | 3 |
| Jul 2002 | 335.65 | 3 |
| Jun 2002 | 336.56 | 3 |
| May 2002 | 173.76 | 3 |
| Apr 2002 | 339.70 | 3 |
| Mar 2002 | 338.44 | 3 |
| Feb 2002 | 337.44 | 3 |
| Jan 2002 | 335.40 | 3 |
| Dec 2001 | 332.84 | 3 |
| Nov 2001 | 331.87 | 3 |
| Oct 2001 | 336.28 | 3 |
| Sep 2001 | 338.74 | 3 |
| Aug 2001 | 331.41 | 3 |
| Jul 2001 | 337.42 | 3 |
| Jun 2001 | 334.47 | 3 |
| May 2001 | 339.06 | 3 |
| Apr 2001 | 499.89 | 3 |
| Mar 2001 | 330.90 | 3 |
| Feb 2001 | 333.51 | 3 |
| Jan 2001 | 340.27 | 3 |
| Dec 2000 | 351.03 | 3 |
| Nov 2000 | 336.28 | 3 |
| Oct 2000 | 334.90 | 3 |
| Sep 2000 | 336.87 | 3 |
| Aug 2000 | 357.42 | 3 |
| Jul 2000 | 511.29 | 3 |
| Jun 2000 | 336.65 | 3 |
| May 2000 | 337.64 | 3 |
| Apr 2000 | 501.27 | 3 |
| Mar 2000 | 346.84 | 3 |
| Feb 2000 | 345.17 | 3 |
| Jan 2000 | 356.97 | 3 |
| Dec 1999 | 518.59 | 3 |
| Nov 1999 | 557.72 | 3 |
| Sep 1999 | 357.35 | 3 |
| Aug 1999 | 361.60 | 3 |
| Jul 1999 | 182.85 | 3 |
| Jun 1999 | 360.21 | 3 |
| May 1999 | 179.50 | 3 |
| Apr 1999 | 177.54 | 3 |
| Mar 1999 | 362.62 | 3 |
| Feb 1999 | 181.82 | 3 |
| Jan 1999 | 372.32 | 3 |
| Dec 1998 | 370.18 | 3 |
| Nov 1998 | 185.09 | 3 |
| Oct 1998 | 368.21 | 3 |
| Sep 1998 | 364.37 | 3 |
| Aug 1998 | 362.19 | 3 |
| Jul 1998 | 360.33 | 3 |
| Jun 1998 | 182.49 | 3 |
| May 1998 | 540.14 | 3 |
| Apr 1998 | 366.37 | 3 |
| Mar 1998 | 180.27 | 3 |
| Feb 1998 | 370.67 | 3 |
| Jan 1998 | 361.93 | 3 |
| Dec 1997 | 364.35 | 1 |
| Nov 1997 | 369.66 | 1 |
| Oct 1997 | 370.21 | 1 |
| Sep 1997 | 360.68 | 1 |
| Aug 1997 | 365.03 | 1 |
| Jul 1997 | 365.85 | 1 |
| Jun 1997 | 365.20 | 1 |
| May 1997 | 368.00 | 1 |
| Apr 1997 | 363.63 | 1 |
| Mar 1997 | 369.83 | 1 |
| Feb 1997 | 372.35 | 1 |
| Jan 1997 | 358.34 | 1 |
| Dec 1996 | 540.32 | 1 |
| Nov 1996 | 371.18 | 1 |
| Oct 1996 | 370.41 | 1 |
| Sep 1996 | 367.08 | 1 |
| Aug 1996 | 183.45 | 1 |
| Jul 1996 | 366.18 | 1 |
| Jun 1996 | 548.57 | 1 |
| May 1996 | 361.12 | 1 |
| Apr 1996 | 553.61 | 1 |
| Mar 1996 | 372.46 | 1 |
| Feb 1996 | 357.74 | 1 |
| Jan 1996 | 528.58 | 1 |
| Dec 1995 | 373.00 | 2 |
| Nov 1995 | 547.00 | 2 |
| Oct 1995 | 369.00 | 2 |
| Sep 1995 | 550.00 | 2 |
| Aug 1995 | 548.00 | 2 |
| Jul 1995 | 548.00 | 2 |
| Jun 1995 | 550.00 | 2 |
| May 1995 | 551.00 | 2 |
| Apr 1995 | 554.00 | 2 |
| Mar 1995 | 551.00 | 2 |
| Feb 1995 | 555.00 | 2 |
| Jan 1995 | 557.00 | 2 |
| Dec 1994 | 742.00 | 2 |
| Nov 1994 | 559.00 | 2 |
| Oct 1994 | 725.00 | 2 |
| Sep 1994 | 725.00 | 2 |
| Aug 1994 | 916.00 | 2 |
| Jul 1994 | 521.00 | 2 |
| Jun 1994 | 738.00 | 2 |
| May 1994 | 902.00 | 2 |
| Apr 1994 | 911.00 | 2 |
| Mar 1994 | 730.00 | 2 |
| Feb 1994 | 744.00 | 2 |
| Jan 1994 | 926.00 | 2 |
| Dec 1993 | 933.00 | 2 |
| Nov 1993 | 558.00 | 2 |
| Oct 1993 | 921.00 | 2 |
| Sep 1993 | 920.00 | 2 |
| Aug 1993 | 917.00 | 2 |
| Jul 1993 | 904.00 | 2 |
| Jun 1993 | 737.00 | 2 |
| May 1993 | 920.00 | 2 |
| Apr 1993 | 926.00 | 2 |
| Mar 1993 | 1,131.00 | 2 |
| Feb 1993 | 922.00 | 2 |
| Jan 1993 | 559.00 | 2 |
| Dec 1992 | 743.00 | 2 |
| Nov 1992 | 930.00 | 2 |
| Oct 1992 | 927.00 | 2 |
| Sep 1992 | 917.00 | 2 |
| Aug 1992 | 730.00 | 2 |
| Jul 1992 | 563.00 | 2 |
| Jun 1992 | 931.00 | 2 |
| May 1992 | 1,110.00 | 2 |
| Apr 1992 | 1,135.00 | 2 |
| Mar 1992 | 1,313.00 | 2 |
| Feb 1992 | 1,129.00 | 2 |
| Jan 1992 | 1,316.00 | 2 |
| Dec 1991 | 1,340.00 | 2 |
| Nov 1991 | 1,488.00 | 2 |
| Oct 1991 | 1,508.00 | 2 |
| Sep 1991 | 1,672.00 | 2 |
| Aug 1991 | 1,879.00 | 2 |
| Jul 1991 | 1,098.00 | 2 |
| Jun 1991 | 1,296.00 | 2 |
| May 1991 | 1,503.00 | 2 |
| Apr 1991 | 1,301.00 | 2 |
| Mar 1991 | 1,510.00 | 2 |
| Feb 1991 | 1,126.00 | 2 |
| Jan 1991 | 758.00 | 2 |
| Dec 1990 | 925.00 | 2 |
| Nov 1990 | 754.00 | 2 |
| Oct 1990 | 741.00 | 2 |
| Sep 1990 | 755.00 | 2 |
| Aug 1990 | 745.00 | 2 |
| Jul 1990 | 915.00 | 2 |
| Jun 1990 | 922.00 | 2 |
| May 1990 | 922.00 | 2 |
| Apr 1990 | 945.00 | 2 |
| Mar 1990 | 951.00 | 2 |
| Feb 1990 | 954.00 | 2 |
| Jan 1990 | 950.00 | 2 |
| Dec 1989 | 1,138.00 | 2 |
| Nov 1989 | 1,134.00 | 2 |
| Oct 1989 | 1,322.00 | 2 |
| Sep 1989 | 749.00 | 2 |
| Aug 1989 | 1,330.00 | 2 |
| Jul 1989 | 1,787.00 | 2 |
| Jun 1989 | 1,237.00 | 2 |
| May 1989 | 755.00 | 2 |
| Apr 1989 | 555.00 | 2 |
| Mar 1989 | 386.00 | 2 |
| Feb 1989 | 376.00 | 2 |
| Jan 1989 | 513.00 | 2 |
| Dec 1988 | 369.00 | 2 |
| Nov 1988 | 207.00 | 2 |
| Oct 1988 | 147.00 | 2 |
| Jul 1988 | 183.00 | 2 |
| Mar 1988 | 185.00 | 2 |
| Nov 1987 | 185.00 | 2 |
| Jul 1987 | 184.00 | 2 |
| Apr 1987 | 185.00 | 2 |
| Jan 1987 | 181.00 | 2 |
| Sep 1986 | 362.00 | 2 |
| Feb 1986 | 184.00 | 2 |
| Dec 1985 | 184.00 | 2 |
| Sep 1985 | 182.00 | 2 |
| Jun 1985 | 185.00 | 2 |
| Mar 1985 | 183.00 | 2 |
| Feb 1985 | 187.00 | 2 |
| Nov 1984 | 186.00 | 2 |
| Aug 1984 | 183.00 | 2 |
| Jun 1984 | 184.00 | 2 |
| Apr 1984 | 185.00 | 2 |
| Feb 1984 | 184.00 | 2 |
| Dec 1983 | 176.00 | 2 |
| Sep 1983 | 185.00 | 2 |
| Jul 1983 | 182.00 | 2 |
| May 1983 | 185.00 | 2 |
| Mar 1983 | 183.00 | 2 |
| Feb 1983 | 184.00 | 2 |
| Dec 1982 | 187.00 | 2 |
| Oct 1982 | 185.00 | 2 |
| Aug 1982 | 178.00 | 2 |
| Jun 1982 | 184.00 | 2 |
| Apr 1982 | 185.00 | 2 |
| Feb 1982 | 185.00 | 2 |
| Dec 1981 | 147.00 | 2 |
| Nov 1981 | 186.00 | 2 |
| Sep 1981 | 185.00 | 2 |
| Jul 1981 | 182.00 | 2 |
| May 1981 | 187.00 | 2 |
| Mar 1981 | 183.00 | 2 |
| Jan 1981 | 187.00 | 2 |
| Nov 1980 | 185.00 | 2 |
| Sep 1980 | 184.00 | 2 |
| Jun 1980 | 184.00 | 2 |
| Apr 1980 | 186.00 | 2 |
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 |
|---|---|---|---|
| SCHWALLER, MAE | 2 | Michael D. Weilert Oil Company | Producing |
| SCHWALLER, MAE | 1 | Michael D. Weilert Oil Company | Producing |
| SCHWALLER, MAE | 3 | Michael D. Weilert Oil Company | Producing |
Location
38.869837, -99.469342 · NWNENE Sec 6 T14S R19W
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001117679. The state’s own record.