MARY F. DOUGLAS 8-1
Lease 1025759627 · Wilson County, Kansas · Sec 8 T29S R17E · DOR 223776
Gas2001–20264 wells
Operator
River Rock Operating, LLC
Cumulative (state figure)
255,427 MCF
First production
2001
Last production
2026
Location (PLSS)
Sec 8 T29S R17E
Monthly gas production
292 months filed with the Kansas Geological Survey, Feb 2001 to Apr 2026. Volumes are MCF at lease level — a lease can cover many wells, so this is not a well's output.
Total over the months shown
255,427 MCF
Months filed
292
Most wells in a month
1
| Month | Gas (MCF) | Wells |
|---|---|---|
| Apr 2026 | 375 | 1 |
| Mar 2026 | 370 | 1 |
| Feb 2026 | 320 | 1 |
| Jan 2026 | 363 | 1 |
| Dec 2025 | 364 | 1 |
| Nov 2025 | 379 | 1 |
| Oct 2025 | 408 | 1 |
| Sep 2025 | 400 | 1 |
| Aug 2025 | 410 | 1 |
| Jul 2025 | 384 | 1 |
| Jun 2025 | 400 | 1 |
| May 2025 | 422 | 1 |
| Apr 2025 | 407 | 1 |
| Mar 2025 | 401 | 1 |
| Feb 2025 | 347 | 1 |
| Jan 2025 | 341 | 1 |
| Dec 2024 | 413 | 1 |
| Nov 2024 | 406 | 1 |
| Oct 2024 | 424 | 1 |
| Sep 2024 | 413 | 1 |
| Aug 2024 | 430 | 1 |
| Jul 2024 | 433 | 1 |
| Jun 2024 | 422 | 1 |
| May 2024 | 454 | 1 |
| Apr 2024 | 433 | 1 |
| Mar 2024 | 439 | 1 |
| Feb 2024 | 430 | 1 |
| Jan 2024 | 410 | 1 |
| Dec 2023 | 434 | 1 |
| Nov 2023 | 423 | 1 |
| Oct 2023 | 454 | 1 |
| Sep 2023 | 447 | 1 |
| Aug 2023 | 459 | 1 |
| Jul 2023 | 451 | 1 |
| Jun 2023 | 434 | 1 |
| May 2023 | 428 | 1 |
| Apr 2023 | 567 | 1 |
| Mar 2023 | 759 | 1 |
| Feb 2023 | 682 | 1 |
| Jan 2023 | 794 | 1 |
| Dec 2022 | 802 | 1 |
| Nov 2022 | 762 | 1 |
| Oct 2022 | 814 | 1 |
| Sep 2022 | 819 | 1 |
| Aug 2022 | 1,029 | 1 |
| Jul 2022 | 600 | 1 |
| Jun 2022 | 447 | 1 |
| May 2022 | 469 | 1 |
| Apr 2022 | 711 | 1 |
| Mar 2022 | 776 | 1 |
| Feb 2022 | 738 | 1 |
| Jan 2022 | 816 | 1 |
| Dec 2021 | 818 | 1 |
| Nov 2021 | 796 | 1 |
| Oct 2021 | 831 | 1 |
| Sep 2021 | 815 | 1 |
| Aug 2021 | 838 | 1 |
| Jul 2021 | 843 | 1 |
| Jun 2021 | 813 | 1 |
| May 2021 | 848 | 1 |
| Apr 2021 | 842 | 1 |
| Mar 2021 | 914 | 1 |
| Feb 2021 | 738 | 1 |
| Jan 2021 | 845 | 1 |
| Dec 2020 | 870 | 1 |
| Nov 2020 | 884 | 1 |
| Oct 2020 | 619 | 1 |
| Sep 2020 | 727 | 1 |
| Aug 2020 | 832 | 1 |
| Jul 2020 | 878 | 1 |
| Jun 2020 | 861 | 1 |
| May 2020 | 898 | 1 |
| Apr 2020 | 936 | 1 |
| Mar 2020 | 874 | 1 |
| Feb 2020 | 853 | 1 |
| Jan 2020 | 909 | 1 |
| Dec 2019 | 933 | 1 |
| Nov 2019 | 860 | 1 |
| Oct 2019 | 871 | 1 |
| Sep 2019 | 863 | 1 |
| Aug 2019 | 889 | 1 |
| Jul 2019 | 873 | 1 |
| Jun 2019 | 855 | 1 |
| May 2019 | 893 | 1 |
| Apr 2019 | 864 | 1 |
| Mar 2019 | 920 | 1 |
| Feb 2019 | 827 | 1 |
| Jan 2019 | 912 | 1 |
| Dec 2018 | 906 | 1 |
| Nov 2018 | 878 | 1 |
| Oct 2018 | 880 | 1 |
| Sep 2018 | 830 | 1 |
| Aug 2018 | 894 | 1 |
| Jul 2018 | 947 | 1 |
| Jun 2018 | 783 | 1 |
| May 2018 | 964 | 1 |
| Apr 2018 | 938 | 1 |
| Mar 2018 | 971 | 1 |
| Feb 2018 | 884 | 1 |
| Jan 2018 | 990 | 1 |
| Dec 2017 | 1,011 | 1 |
| Nov 2017 | 991 | 1 |
| Oct 2017 | 1,064 | 1 |
| Sep 2017 | 1,030 | 1 |
| Aug 2017 | 1,035 | 1 |
| Jul 2017 | 1,019 | 1 |
| Jun 2017 | 1,015 | 1 |
| May 2017 | 1,090 | 1 |
| Apr 2017 | 1,055 | 1 |
| Mar 2017 | 1,100 | 1 |
| Feb 2017 | 991 | 1 |
| Jan 2017 | 1,126 | 1 |
| Dec 2016 | 1,121 | 1 |
| Nov 2016 | 1,046 | 1 |
| Oct 2016 | 1,086 | 1 |
| Sep 2016 | 1,056 | 1 |
| Aug 2016 | 1,085 | 1 |
| Jul 2016 | 1,076 | 1 |
| Jun 2016 | 1,038 | 1 |
| May 2016 | 912 | 1 |
| Apr 2016 | 902 | 1 |
| Mar 2016 | 945 | 1 |
| Feb 2016 | 876 | 1 |
| Jan 2016 | 954 | 1 |
| Dec 2015 | 936 | 1 |
| Nov 2015 | 901 | 1 |
| Oct 2015 | 960 | 1 |
| Sep 2015 | 768 | 1 |
| Aug 2015 | 843 | 1 |
| Jul 2015 | 944 | 1 |
| Jun 2015 | 896 | 1 |
| May 2015 | 922 | 1 |
| Apr 2015 | 887 | 1 |
| Mar 2015 | 962 | 1 |
| Feb 2015 | 904 | 1 |
| Jan 2015 | 1,076 | 1 |
| Dec 2014 | 926 | 1 |
| Nov 2014 | 920 | 1 |
| Oct 2014 | 965 | 1 |
| Sep 2014 | 942 | 1 |
| Aug 2014 | 854 | 1 |
| Jul 2014 | 876 | 1 |
| Jun 2014 | 964 | 1 |
| May 2014 | 987 | 1 |
| Apr 2014 | 943 | 1 |
| Mar 2014 | 963 | 1 |
| Feb 2014 | 785 | 1 |
| Jan 2014 | 908 | 1 |
| Dec 2013 | 965 | 1 |
| Nov 2013 | 914 | 1 |
| Oct 2013 | 942 | 1 |
| Sep 2013 | 929 | 1 |
| Aug 2013 | 954 | 1 |
| Jul 2013 | 913 | 1 |
| Jun 2013 | 898 | 1 |
| May 2013 | 753 | 1 |
| Apr 2013 | 875 | 1 |
| Mar 2013 | 958 | 1 |
| Feb 2013 | 867 | 1 |
| Jan 2013 | 997 | 1 |
| Dec 2012 | 991 | 1 |
| Nov 2012 | 992 | 1 |
| Oct 2012 | 975 | 1 |
| Sep 2012 | 976 | 1 |
| Aug 2012 | 966 | 1 |
| Jul 2012 | 1,035 | 1 |
| Jun 2012 | 995 | 1 |
| May 2012 | 1,046 | 1 |
| Apr 2012 | 1,050 | 1 |
| Mar 2012 | 1,057 | 1 |
| Feb 2012 | 1,027 | 1 |
| Jan 2012 | 1,105 | 1 |
| Dec 2011 | 1,094 | 1 |
| Nov 2011 | 977 | 1 |
| Oct 2011 | 1,127 | 1 |
| Sep 2011 | 1,021 | 1 |
| Aug 2011 | 1,091 | 1 |
| Jul 2011 | 1,048 | 1 |
| Jun 2011 | 1,006 | 1 |
| May 2011 | 1,057 | 1 |
| Apr 2011 | 1,009 | 1 |
| Mar 2011 | 1,057 | 1 |
| Feb 2011 | 863 | 1 |
| Jan 2011 | 1,036 | 1 |
| Dec 2010 | 978 | 1 |
| Nov 2010 | 1,034 | 1 |
| Oct 2010 | 1,089 | 1 |
| Sep 2010 | 1,048 | 1 |
| Aug 2010 | 1,066 | 1 |
| Jul 2010 | 1,106 | 1 |
| Jun 2010 | 1,002 | 1 |
| May 2010 | 1,199 | 1 |
| Apr 2010 | 1,176 | 1 |
| Mar 2010 | 1,243 | 1 |
| Feb 2010 | 1,180 | 1 |
| Jan 2010 | 1,313 | 1 |
| Dec 2009 | 1,244 | 1 |
| Nov 2009 | 1,112 | 1 |
| Oct 2009 | 1,097 | 1 |
| Sep 2009 | 1,115 | 1 |
| Aug 2009 | 1,202 | 1 |
| Jul 2009 | 1,193 | 1 |
| Jun 2009 | 1,140 | 1 |
| May 2009 | 1,173 | 1 |
| Apr 2009 | 1,183 | 1 |
| Mar 2009 | 1,293 | 1 |
| Feb 2009 | 1,212 | 1 |
| Jan 2009 | 1,305 | 1 |
| Dec 2008 | 1,091 | 1 |
| Nov 2008 | 1,187 | 1 |
| Oct 2008 | 1,196 | 1 |
| Sep 2008 | 1,200 | 1 |
| Aug 2008 | 962 | 1 |
| Jul 2008 | 1,168 | 1 |
| Jun 2008 | 1,168 | 1 |
| May 2008 | 1,338 | 1 |
| Apr 2008 | 1,309 | 1 |
| Mar 2008 | 1,272 | 1 |
| Feb 2008 | 1,171 | 1 |
| Jan 2008 | 1,228 | 1 |
| Dec 2007 | 819 | 1 |
| Nov 2007 | 1,224 | 1 |
| Oct 2007 | 1,281 | 1 |
| Sep 2007 | 1,140 | 1 |
| Aug 2007 | 1,420 | 1 |
| Jul 2007 | 1,422 | 1 |
| Jun 2007 | 1,385 | 1 |
| May 2007 | 1,376 | 1 |
| Apr 2007 | 1,326 | 1 |
| Mar 2007 | 1,462 | 1 |
| Feb 2007 | 1,391 | 1 |
| Jan 2007 | 1,539 | 1 |
| Dec 2006 | 1,316 | 1 |
| Nov 2006 | 1,480 | 1 |
| Oct 2006 | 1,540 | 1 |
| Sep 2006 | 1,523 | 1 |
| Aug 2006 | 1,457 | 1 |
| Jul 2006 | 1,315 | 1 |
| Jun 2006 | 1,139 | 1 |
| May 2006 | 1,022 | 1 |
| Apr 2006 | 612 | 1 |
| Mar 2006 | 898 | 1 |
| Feb 2006 | 1,110 | 1 |
| Jan 2006 | 1,102 | 1 |
| Dec 2005 | 930 | 1 |
| Nov 2005 | 853 | 1 |
| Oct 2005 | 764 | 1 |
| Sep 2005 | 477 | 1 |
| Aug 2005 | 148 | 1 |
| Jul 2005 | 397 | 1 |
| Jun 2005 | 374 | 1 |
| May 2005 | 333 | 1 |
| Apr 2005 | 333 | 1 |
| Mar 2005 | 785 | 1 |
| Feb 2005 | 398 | 1 |
| Jan 2005 | 689 | 1 |
| Dec 2004 | 1,638 | 1 |
| Nov 2004 | 958 | 1 |
| Oct 2004 | 830 | 1 |
| Sep 2004 | 794 | 1 |
| Aug 2004 | 801 | 1 |
| Jul 2004 | 323 | 1 |
| Jun 2004 | 212 | 1 |
| May 2004 | 899 | 1 |
| Apr 2004 | 830 | 1 |
| Mar 2004 | 826 | 1 |
| Feb 2004 | 918 | 1 |
| Jan 2004 | 490 | 1 |
| Dec 2003 | 1,396 | 1 |
| Nov 2003 | 1,698 | 1 |
| Oct 2003 | 1,651 | 1 |
| Sep 2003 | 1,793 | 1 |
| Aug 2003 | 1,782 | 1 |
| Jul 2003 | 1,809 | 1 |
| Jun 2003 | 1,395 | 1 |
| May 2003 | 1,229 | 1 |
| Apr 2003 | 823 | 1 |
| Mar 2003 | 514 | 1 |
| Feb 2003 | 626 | 1 |
| Jan 2003 | 487 | 1 |
| Dec 2002 | 240 | 1 |
| Nov 2002 | 147 | 1 |
| Oct 2002 | 1 | 1 |
| Sep 2002 | 10 | 1 |
| Aug 2002 | 3 | 1 |
| Jul 2002 | 39 | 1 |
| Jun 2002 | 44 | 1 |
| May 2002 | 45 | 1 |
| Apr 2002 | 122 | 1 |
| Mar 2002 | 291 | 1 |
| Feb 2002 | 536 | 1 |
| Feb 2001 | 412 | 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
4 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| MARY F. DOUGLAS | 8-1 | Devon SFS Operating, Inc. | Recompleted |
| MARY F. DOUGLAS | 8-1 | River Rock Operating, LLC | Producing |
| MARY F. DOUGLAS | 8-2 | Devon SFS Operating, Inc. | Recompleted |
| MARY F. DOUGLAS | 8-2 | River Rock Operating, LLC | Producing |
Location
37.531948, -95.564479 · Sec 8 T29S R17E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1025759627. The state’s own record.