UMBARGER,M. 8-2
Lease 1028540805 · Neosho County, Kansas · Sec 8 T29S R18E · DOR 224136
Gas2002–20261 well
Operator
River Rock Operating, LLC
Cumulative (state figure)
684,196 MCF
First production
2002
Last production
2026
Location (PLSS)
Sec 8 T29S R18E
Monthly gas production
283 months filed with the Kansas Geological Survey, Oct 2002 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
684,196 MCF
Months filed
283
Most wells in a month
1
| Month | Gas (MCF) | Wells |
|---|---|---|
| Apr 2026 | 283 | 1 |
| Mar 2026 | 306 | 1 |
| Feb 2026 | 282 | 1 |
| Jan 2026 | 304 | 1 |
| Dec 2025 | 310 | 1 |
| Nov 2025 | 305 | 1 |
| Oct 2025 | 308 | 1 |
| Sep 2025 | 294 | 1 |
| Aug 2025 | 302 | 1 |
| Jul 2025 | 304 | 1 |
| Jun 2025 | 295 | 1 |
| May 2025 | 310 | 1 |
| Apr 2025 | 329 | 1 |
| Mar 2025 | 336 | 1 |
| Feb 2025 | 310 | 1 |
| Jan 2025 | 363 | 1 |
| Dec 2024 | 405 | 1 |
| Nov 2024 | 346 | 1 |
| Oct 2024 | 353 | 1 |
| Sep 2024 | 344 | 1 |
| Aug 2024 | 365 | 1 |
| Jul 2024 | 320 | 1 |
| Jun 2024 | 327 | 1 |
| May 2024 | 410 | 1 |
| Apr 2024 | 377 | 1 |
| Mar 2024 | 406 | 1 |
| Feb 2024 | 391 | 1 |
| Jan 2024 | 386 | 1 |
| Dec 2023 | 391 | 1 |
| Nov 2023 | 377 | 1 |
| Oct 2023 | 377 | 1 |
| Sep 2023 | 377 | 1 |
| Aug 2023 | 397 | 1 |
| Jul 2023 | 371 | 1 |
| Jun 2023 | 377 | 1 |
| May 2023 | 406 | 1 |
| Apr 2023 | 400 | 1 |
| Mar 2023 | 412 | 1 |
| Feb 2023 | 372 | 1 |
| Jan 2023 | 439 | 1 |
| Dec 2022 | 401 | 1 |
| Nov 2022 | 395 | 1 |
| Oct 2022 | 429 | 1 |
| Sep 2022 | 422 | 1 |
| Aug 2022 | 434 | 1 |
| Jul 2022 | 429 | 1 |
| Jun 2022 | 417 | 1 |
| May 2022 | 437 | 1 |
| Apr 2022 | 426 | 1 |
| Mar 2022 | 433 | 1 |
| Feb 2022 | 382 | 1 |
| Jan 2022 | 434 | 1 |
| Dec 2021 | 432 | 1 |
| Nov 2021 | 422 | 1 |
| Oct 2021 | 443 | 1 |
| Sep 2021 | 426 | 1 |
| Aug 2021 | 437 | 1 |
| Jul 2021 | 429 | 1 |
| Jun 2021 | 443 | 1 |
| May 2021 | 437 | 1 |
| Apr 2021 | 464 | 1 |
| Mar 2021 | 502 | 1 |
| Feb 2021 | 452 | 1 |
| Jan 2021 | 400 | 1 |
| Dec 2020 | 390 | 1 |
| Nov 2020 | 382 | 1 |
| Oct 2020 | 389 | 1 |
| Sep 2020 | 371 | 1 |
| Aug 2020 | 382 | 1 |
| Jul 2020 | 384 | 1 |
| Jun 2020 | 402 | 1 |
| May 2020 | 555 | 1 |
| Apr 2020 | 571 | 1 |
| Mar 2020 | 606 | 1 |
| Feb 2020 | 531 | 1 |
| Jan 2020 | 531 | 1 |
| Dec 2019 | 659 | 1 |
| Nov 2019 | 664 | 1 |
| Oct 2019 | 669 | 1 |
| Sep 2019 | 629 | 1 |
| Aug 2019 | 639 | 1 |
| Jul 2019 | 615 | 1 |
| Jun 2019 | 614 | 1 |
| May 2019 | 672 | 1 |
| Apr 2019 | 632 | 1 |
| Mar 2019 | 717 | 1 |
| Feb 2019 | 661 | 1 |
| Jan 2019 | 717 | 1 |
| Dec 2018 | 743 | 1 |
| Nov 2018 | 729 | 1 |
| Oct 2018 | 755 | 1 |
| Sep 2018 | 698 | 1 |
| Aug 2018 | 646 | 1 |
| Jul 2018 | 671 | 1 |
| Jun 2018 | 656 | 1 |
| May 2018 | 668 | 1 |
| Apr 2018 | 713 | 1 |
| Mar 2018 | 814 | 1 |
| Feb 2018 | 748 | 1 |
| Jan 2018 | 848 | 1 |
| Dec 2017 | 857 | 1 |
| Nov 2017 | 831 | 1 |
| Oct 2017 | 891 | 1 |
| Sep 2017 | 871 | 1 |
| Aug 2017 | 844 | 1 |
| Jul 2017 | 893 | 1 |
| Jun 2017 | 789 | 1 |
| May 2017 | 952 | 1 |
| Apr 2017 | 926 | 1 |
| Mar 2017 | 997 | 1 |
| Feb 2017 | 914 | 1 |
| Jan 2017 | 1,082 | 1 |
| Dec 2016 | 1,104 | 1 |
| Nov 2016 | 1,111 | 1 |
| Oct 2016 | 1,152 | 1 |
| Sep 2016 | 1,141 | 1 |
| Aug 2016 | 1,168 | 1 |
| Jul 2016 | 1,149 | 1 |
| Jun 2016 | 963 | 1 |
| May 2016 | 979 | 1 |
| Apr 2016 | 947 | 1 |
| Mar 2016 | 988 | 1 |
| Feb 2016 | 977 | 1 |
| Jan 2016 | 1,079 | 1 |
| Dec 2015 | 1,091 | 1 |
| Nov 2015 | 1,049 | 1 |
| Oct 2015 | 1,106 | 1 |
| Sep 2015 | 1,068 | 1 |
| Aug 2015 | 1,114 | 1 |
| Jul 2015 | 1,040 | 1 |
| Jun 2015 | 987 | 1 |
| May 2015 | 1,058 | 1 |
| Apr 2015 | 1,031 | 1 |
| Mar 2015 | 1,084 | 1 |
| Feb 2015 | 1,177 | 1 |
| Jan 2015 | 1,369 | 1 |
| Dec 2014 | 1,205 | 1 |
| Nov 2014 | 1,190 | 1 |
| Oct 2014 | 1,224 | 1 |
| Sep 2014 | 1,190 | 1 |
| Aug 2014 | 1,214 | 1 |
| Jul 2014 | 1,043 | 1 |
| Jun 2014 | 1,217 | 1 |
| May 2014 | 1,237 | 1 |
| Apr 2014 | 1,167 | 1 |
| Mar 2014 | 1,197 | 1 |
| Feb 2014 | 1,150 | 1 |
| Jan 2014 | 1,312 | 1 |
| Dec 2013 | 1,306 | 1 |
| Nov 2013 | 1,354 | 1 |
| Oct 2013 | 1,395 | 1 |
| Sep 2013 | 1,355 | 1 |
| Aug 2013 | 1,387 | 1 |
| Jul 2013 | 1,379 | 1 |
| Jun 2013 | 1,312 | 1 |
| May 2013 | 1,381 | 1 |
| Apr 2013 | 1,370 | 1 |
| Mar 2013 | 1,446 | 1 |
| Feb 2013 | 1,360 | 1 |
| Jan 2013 | 1,579 | 1 |
| Dec 2012 | 1,633 | 1 |
| Nov 2012 | 1,613 | 1 |
| Oct 2012 | 1,608 | 1 |
| Sep 2012 | 1,611 | 1 |
| Aug 2012 | 1,619 | 1 |
| Jul 2012 | 1,675 | 1 |
| Jun 2012 | 1,634 | 1 |
| May 2012 | 1,673 | 1 |
| Apr 2012 | 1,624 | 1 |
| Mar 2012 | 1,692 | 1 |
| Feb 2012 | 1,644 | 1 |
| Jan 2012 | 1,802 | 1 |
| Dec 2011 | 1,876 | 1 |
| Nov 2011 | 1,811 | 1 |
| Oct 2011 | 1,897 | 1 |
| Sep 2011 | 1,870 | 1 |
| Aug 2011 | 1,954 | 1 |
| Jul 2011 | 1,879 | 1 |
| Jun 2011 | 1,781 | 1 |
| May 2011 | 1,870 | 1 |
| Apr 2011 | 1,820 | 1 |
| Mar 2011 | 1,905 | 1 |
| Feb 2011 | 1,769 | 1 |
| Jan 2011 | 2,002 | 1 |
| Dec 2010 | 2,139 | 1 |
| Nov 2010 | 2,083 | 1 |
| Oct 2010 | 2,128 | 1 |
| Sep 2010 | 2,109 | 1 |
| Aug 2010 | 2,203 | 1 |
| Jul 2010 | 2,143 | 1 |
| Jun 2010 | 2,015 | 1 |
| May 2010 | 2,119 | 1 |
| Apr 2010 | 2,087 | 1 |
| Mar 2010 | 2,196 | 1 |
| Feb 2010 | 2,065 | 1 |
| Jan 2010 | 2,266 | 1 |
| Dec 2009 | 2,386 | 1 |
| Nov 2009 | 2,415 | 1 |
| Oct 2009 | 2,477 | 1 |
| Sep 2009 | 2,513 | 1 |
| Aug 2009 | 2,594 | 1 |
| Jul 2009 | 2,502 | 1 |
| Jun 2009 | 2,371 | 1 |
| May 2009 | 2,364 | 1 |
| Apr 2009 | 2,319 | 1 |
| Mar 2009 | 2,383 | 1 |
| Feb 2009 | 2,294 | 1 |
| Jan 2009 | 2,604 | 1 |
| Dec 2008 | 2,471 | 1 |
| Nov 2008 | 2,648 | 1 |
| Oct 2008 | 2,787 | 1 |
| Sep 2008 | 2,864 | 1 |
| Aug 2008 | 3,197 | 1 |
| Jul 2008 | 3,494 | 1 |
| Jun 2008 | 3,530 | 1 |
| May 2008 | 3,308 | 1 |
| Apr 2008 | 3,742 | 1 |
| Mar 2008 | 3,769 | 1 |
| Feb 2008 | 3,884 | 1 |
| Jan 2008 | 4,206 | 1 |
| Dec 2007 | 4,266 | 1 |
| Nov 2007 | 4,151 | 1 |
| Oct 2007 | 4,291 | 1 |
| Sep 2007 | 4,474 | 1 |
| Aug 2007 | 4,595 | 1 |
| Jul 2007 | 4,479 | 1 |
| Jun 2007 | 4,110 | 1 |
| May 2007 | 4,667 | 1 |
| Apr 2007 | 4,778 | 1 |
| Mar 2007 | 4,749 | 1 |
| Feb 2007 | 4,433 | 1 |
| Jan 2007 | 4,829 | 1 |
| Dec 2006 | 4,880 | 1 |
| Nov 2006 | 4,800 | 1 |
| Oct 2006 | 5,394 | 1 |
| Sep 2006 | 5,231 | 1 |
| Aug 2006 | 5,608 | 1 |
| Jul 2006 | 5,424 | 1 |
| Jun 2006 | 5,211 | 1 |
| May 2006 | 4,986 | 1 |
| Apr 2006 | 5,814 | 1 |
| Mar 2006 | 6,011 | 1 |
| Feb 2006 | 5,583 | 1 |
| Jan 2006 | 5,607 | 1 |
| Dec 2005 | 6,481 | 1 |
| Nov 2005 | 6,308 | 1 |
| Oct 2005 | 7,659 | 1 |
| Sep 2005 | 7,415 | 1 |
| Aug 2005 | 8,200 | 1 |
| Jul 2005 | 8,396 | 1 |
| Jun 2005 | 8,284 | 1 |
| May 2005 | 8,890 | 1 |
| Apr 2005 | 8,393 | 1 |
| Mar 2005 | 9,405 | 1 |
| Feb 2005 | 7,041 | 1 |
| Jan 2005 | 8,772 | 1 |
| Dec 2004 | 9,894 | 1 |
| Nov 2004 | 9,786 | 1 |
| Oct 2004 | 10,522 | 1 |
| Sep 2004 | 10,085 | 1 |
| Aug 2004 | 10,944 | 1 |
| Jul 2004 | 11,031 | 1 |
| Jun 2004 | 10,814 | 1 |
| May 2004 | 11,020 | 1 |
| Apr 2004 | 10,645 | 1 |
| Mar 2004 | 10,762 | 1 |
| Feb 2004 | 9,438 | 1 |
| Jan 2004 | 9,757 | 1 |
| Dec 2003 | 9,321 | 1 |
| Nov 2003 | 10,058 | 1 |
| Oct 2003 | 10,839 | 1 |
| Sep 2003 | 10,268 | 1 |
| Aug 2003 | 9,066 | 1 |
| Jul 2003 | 8,165 | 1 |
| Jun 2003 | 6,915 | 1 |
| May 2003 | 6,870 | 1 |
| Apr 2003 | 6,008 | 1 |
| Mar 2003 | 5,161 | 1 |
| Feb 2003 | 3,453 | 1 |
| Jan 2003 | 2,808 | 1 |
| Dec 2002 | 2,571 | 1 |
| Nov 2002 | 2,392 | 1 |
| Oct 2002 | 838 | 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 |
|---|---|---|---|
| Umbarger, Milo | 2-8 | River Rock Operating, LLC | Producing |
Location
37.536037, -95.461128 · Sec 8 T29S R18E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1028540805. The state’s own record.