UMBARGER,M. 8-1
Lease 1028540737 · Neosho County, Kansas · Sec 8 T29S R18E · DOR 224065
Gas2002–20261 well
Operator
River Rock Operating, LLC
Cumulative (state figure)
218,964 MCF
First production
2002
Last production
2026
Location (PLSS)
Sec 8 T29S R18E
Monthly gas production
288 months filed with the Kansas Geological Survey, May 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
218,964 MCF
Months filed
288
Most wells in a month
1
| Month | Gas (MCF) | Wells |
|---|---|---|
| Apr 2026 | 420 | 1 |
| Mar 2026 | 434 | 1 |
| Feb 2026 | 403 | 1 |
| Jan 2026 | 415 | 1 |
| Dec 2025 | 431 | 1 |
| Nov 2025 | 425 | 1 |
| Oct 2025 | 445 | 1 |
| Sep 2025 | 428 | 1 |
| Aug 2025 | 444 | 1 |
| Jul 2025 | 438 | 1 |
| Jun 2025 | 426 | 1 |
| May 2025 | 439 | 1 |
| Apr 2025 | 430 | 1 |
| Mar 2025 | 396 | 1 |
| Feb 2025 | 368 | 1 |
| Jan 2025 | 404 | 1 |
| Dec 2024 | 417 | 1 |
| Nov 2024 | 379 | 1 |
| Oct 2024 | 419 | 1 |
| Sep 2024 | 407 | 1 |
| Aug 2024 | 430 | 1 |
| Jul 2024 | 430 | 1 |
| Jun 2024 | 416 | 1 |
| May 2024 | 434 | 1 |
| Apr 2024 | 423 | 1 |
| Mar 2024 | 437 | 1 |
| Feb 2024 | 402 | 1 |
| Jan 2024 | 419 | 1 |
| Dec 2023 | 432 | 1 |
| Nov 2023 | 418 | 1 |
| Oct 2023 | 433 | 1 |
| Sep 2023 | 420 | 1 |
| Aug 2023 | 421 | 1 |
| Jul 2023 | 432 | 1 |
| Jun 2023 | 418 | 1 |
| May 2023 | 439 | 1 |
| Apr 2023 | 433 | 1 |
| Mar 2023 | 468 | 1 |
| Feb 2023 | 423 | 1 |
| Jan 2023 | 472 | 1 |
| Dec 2022 | 479 | 1 |
| Nov 2022 | 460 | 1 |
| Oct 2022 | 477 | 1 |
| Sep 2022 | 461 | 1 |
| Aug 2022 | 479 | 1 |
| Jul 2022 | 471 | 1 |
| Jun 2022 | 459 | 1 |
| May 2022 | 483 | 1 |
| Apr 2022 | 471 | 1 |
| Mar 2022 | 479 | 1 |
| Feb 2022 | 409 | 1 |
| Jan 2022 | 498 | 1 |
| Dec 2021 | 486 | 1 |
| Nov 2021 | 468 | 1 |
| Oct 2021 | 485 | 1 |
| Sep 2021 | 467 | 1 |
| Aug 2021 | 452 | 1 |
| Jul 2021 | 479 | 1 |
| Jun 2021 | 466 | 1 |
| May 2021 | 494 | 1 |
| Apr 2021 | 476 | 1 |
| Mar 2021 | 496 | 1 |
| Feb 2021 | 449 | 1 |
| Jan 2021 | 501 | 1 |
| Dec 2020 | 503 | 1 |
| Nov 2020 | 488 | 1 |
| Oct 2020 | 504 | 1 |
| Sep 2020 | 485 | 1 |
| Aug 2020 | 503 | 1 |
| Jul 2020 | 516 | 1 |
| Jun 2020 | 508 | 1 |
| May 2020 | 498 | 1 |
| Apr 2020 | 484 | 1 |
| Mar 2020 | 498 | 1 |
| Feb 2020 | 462 | 1 |
| Jan 2020 | 488 | 1 |
| Dec 2019 | 502 | 1 |
| Nov 2019 | 486 | 1 |
| Oct 2019 | 513 | 1 |
| Sep 2019 | 530 | 1 |
| Aug 2019 | 547 | 1 |
| Jul 2019 | 534 | 1 |
| Jun 2019 | 519 | 1 |
| May 2019 | 544 | 1 |
| Apr 2019 | 529 | 1 |
| Mar 2019 | 550 | 1 |
| Feb 2019 | 478 | 1 |
| Jan 2019 | 546 | 1 |
| Dec 2018 | 560 | 1 |
| Nov 2018 | 544 | 1 |
| Oct 2018 | 555 | 1 |
| Sep 2018 | 539 | 1 |
| Aug 2018 | 560 | 1 |
| Jul 2018 | 557 | 1 |
| Jun 2018 | 542 | 1 |
| May 2018 | 570 | 1 |
| Apr 2018 | 558 | 1 |
| Mar 2018 | 594 | 1 |
| Feb 2018 | 526 | 1 |
| Jan 2018 | 578 | 1 |
| Dec 2017 | 576 | 1 |
| Nov 2017 | 585 | 1 |
| Oct 2017 | 562 | 1 |
| Sep 2017 | 566 | 1 |
| Aug 2017 | 563 | 1 |
| Jul 2017 | 614 | 1 |
| Jun 2017 | 545 | 1 |
| May 2017 | 505 | 1 |
| Apr 2017 | 603 | 1 |
| Mar 2017 | 608 | 1 |
| Feb 2017 | 539 | 1 |
| Jan 2017 | 588 | 1 |
| Dec 2016 | 404 | 1 |
| Nov 2016 | 577 | 1 |
| Oct 2016 | 474 | 1 |
| Sep 2016 | 536 | 1 |
| Aug 2016 | 480 | 1 |
| Jul 2016 | 298 | 1 |
| Jun 2016 | 438 | 1 |
| May 2016 | 522 | 1 |
| Apr 2016 | 545 | 1 |
| Mar 2016 | 544 | 1 |
| Feb 2016 | 495 | 1 |
| Jan 2016 | 477 | 1 |
| Dec 2015 | 450 | 1 |
| Nov 2015 | 362 | 1 |
| Oct 2015 | 282 | 1 |
| Sep 2015 | 488 | 1 |
| Aug 2015 | 555 | 1 |
| Jul 2015 | 528 | 1 |
| Jun 2015 | 516 | 1 |
| May 2015 | 550 | 1 |
| Apr 2015 | 538 | 1 |
| Mar 2015 | 561 | 1 |
| Feb 2015 | 579 | 1 |
| Jan 2015 | 689 | 1 |
| Dec 2014 | 551 | 1 |
| Nov 2014 | 602 | 1 |
| Oct 2014 | 619 | 1 |
| Sep 2014 | 608 | 1 |
| Aug 2014 | 625 | 1 |
| Jul 2014 | 639 | 1 |
| Jun 2014 | 625 | 1 |
| May 2014 | 649 | 1 |
| Apr 2014 | 604 | 1 |
| Mar 2014 | 633 | 1 |
| Feb 2014 | 570 | 1 |
| Jan 2014 | 534 | 1 |
| Dec 2013 | 566 | 1 |
| Nov 2013 | 597 | 1 |
| Oct 2013 | 639 | 1 |
| Sep 2013 | 642 | 1 |
| Aug 2013 | 664 | 1 |
| Jul 2013 | 719 | 1 |
| Jun 2013 | 702 | 1 |
| May 2013 | 734 | 1 |
| Apr 2013 | 712 | 1 |
| Mar 2013 | 728 | 1 |
| Feb 2013 | 676 | 1 |
| Jan 2013 | 758 | 1 |
| Dec 2012 | 764 | 1 |
| Nov 2012 | 645 | 1 |
| Oct 2012 | 781 | 1 |
| Sep 2012 | 757 | 1 |
| Aug 2012 | 792 | 1 |
| Jul 2012 | 819 | 1 |
| Jun 2012 | 806 | 1 |
| May 2012 | 839 | 1 |
| Apr 2012 | 816 | 1 |
| Mar 2012 | 843 | 1 |
| Feb 2012 | 794 | 1 |
| Jan 2012 | 826 | 1 |
| Dec 2011 | 887 | 1 |
| Nov 2011 | 860 | 1 |
| Oct 2011 | 891 | 1 |
| Sep 2011 | 871 | 1 |
| Aug 2011 | 891 | 1 |
| Jul 2011 | 889 | 1 |
| Jun 2011 | 855 | 1 |
| May 2011 | 888 | 1 |
| Apr 2011 | 849 | 1 |
| Mar 2011 | 868 | 1 |
| Feb 2011 | 824 | 1 |
| Jan 2011 | 918 | 1 |
| Dec 2010 | 931 | 1 |
| Nov 2010 | 900 | 1 |
| Oct 2010 | 911 | 1 |
| Sep 2010 | 942 | 1 |
| Aug 2010 | 956 | 1 |
| Jul 2010 | 937 | 1 |
| Jun 2010 | 892 | 1 |
| May 2010 | 932 | 1 |
| Apr 2010 | 917 | 1 |
| Mar 2010 | 952 | 1 |
| Feb 2010 | 865 | 1 |
| Jan 2010 | 933 | 1 |
| Dec 2009 | 929 | 1 |
| Nov 2009 | 872 | 1 |
| Oct 2009 | 934 | 1 |
| Sep 2009 | 924 | 1 |
| Aug 2009 | 934 | 1 |
| Jul 2009 | 872 | 1 |
| Jun 2009 | 829 | 1 |
| May 2009 | 828 | 1 |
| Apr 2009 | 850 | 1 |
| Mar 2009 | 855 | 1 |
| Feb 2009 | 797 | 1 |
| Jan 2009 | 882 | 1 |
| Dec 2008 | 786 | 1 |
| Nov 2008 | 845 | 1 |
| Oct 2008 | 881 | 1 |
| Sep 2008 | 879 | 1 |
| Aug 2008 | 890 | 1 |
| Jul 2008 | 859 | 1 |
| Jun 2008 | 747 | 1 |
| May 2008 | 780 | 1 |
| Apr 2008 | 903 | 1 |
| Mar 2008 | 948 | 1 |
| Feb 2008 | 897 | 1 |
| Jan 2008 | 953 | 1 |
| Dec 2007 | 949 | 1 |
| Nov 2007 | 927 | 1 |
| Oct 2007 | 928 | 1 |
| Sep 2007 | 899 | 1 |
| Aug 2007 | 969 | 1 |
| Jul 2007 | 932 | 1 |
| Jun 2007 | 980 | 1 |
| May 2007 | 1,084 | 1 |
| Apr 2007 | 1,085 | 1 |
| Mar 2007 | 1,134 | 1 |
| Feb 2007 | 1,006 | 1 |
| Jan 2007 | 1,132 | 1 |
| Dec 2006 | 1,061 | 1 |
| Nov 2006 | 1,036 | 1 |
| Oct 2006 | 1,115 | 1 |
| Sep 2006 | 1,008 | 1 |
| Aug 2006 | 958 | 1 |
| Jul 2006 | 771 | 1 |
| Jun 2006 | 1,125 | 1 |
| May 2006 | 1,332 | 1 |
| Apr 2006 | 1,404 | 1 |
| Mar 2006 | 1,378 | 1 |
| Feb 2006 | 1,171 | 1 |
| Jan 2006 | 1,052 | 1 |
| Dec 2005 | 796 | 1 |
| Nov 2005 | 1,227 | 1 |
| Oct 2005 | 1,369 | 1 |
| Sep 2005 | 1,317 | 1 |
| Aug 2005 | 1,386 | 1 |
| Jul 2005 | 1,399 | 1 |
| Jun 2005 | 1,411 | 1 |
| May 2005 | 1,473 | 1 |
| Apr 2005 | 1,432 | 1 |
| Mar 2005 | 1,532 | 1 |
| Feb 2005 | 1,430 | 1 |
| Jan 2005 | 1,541 | 1 |
| Dec 2004 | 1,724 | 1 |
| Nov 2004 | 1,687 | 1 |
| Oct 2004 | 1,787 | 1 |
| Sep 2004 | 1,565 | 1 |
| Aug 2004 | 1,520 | 1 |
| Jul 2004 | 1,599 | 1 |
| Jun 2004 | 1,499 | 1 |
| May 2004 | 1,396 | 1 |
| Apr 2004 | 1,222 | 1 |
| Mar 2004 | 1,175 | 1 |
| Feb 2004 | 956 | 1 |
| Jan 2004 | 1,289 | 1 |
| Dec 2003 | 1,529 | 1 |
| Nov 2003 | 1,580 | 1 |
| Oct 2003 | 1,643 | 1 |
| Sep 2003 | 1,663 | 1 |
| Aug 2003 | 1,761 | 1 |
| Jul 2003 | 1,981 | 1 |
| Jun 2003 | 1,896 | 1 |
| May 2003 | 2,001 | 1 |
| Apr 2003 | 1,873 | 1 |
| Mar 2003 | 1,815 | 1 |
| Feb 2003 | 1,580 | 1 |
| Jan 2003 | 1,801 | 1 |
| Dec 2002 | 960 | 1 |
| Nov 2002 | 393 | 1 |
| Oct 2002 | 417 | 1 |
| Sep 2002 | 539 | 1 |
| Aug 2002 | 688 | 1 |
| Jul 2002 | 771 | 1 |
| Jun 2002 | 711 | 1 |
| May 2002 | 930 | 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 | 1-8 | River Rock Operating, LLC | Producing |
Location
37.536037, -95.461128 · Sec 8 T29S R18E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1028540737. The state’s own record.