Umbarger, Milo 8-4
Lease 1038636092 · Neosho County, Kansas · Sec 8 T29S R18E · DOR 230398
Gas2008–20261 well
Operator
River Rock Operating, LLC
Cumulative (state figure)
121,307 MCF
First production
2008
Last production
2026
Location (PLSS)
Sec 8 T29S R18E
Monthly gas production
216 months filed with the Kansas Geological Survey, May 2008 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
121,307 MCF
Months filed
216
Most wells in a month
1
| Month | Gas (MCF) | Wells |
|---|---|---|
| Apr 2026 | 198 | 1 |
| Mar 2026 | 208 | 1 |
| Feb 2026 | 193 | 1 |
| Jan 2026 | 208 | 1 |
| Dec 2025 | 206 | 1 |
| Nov 2025 | 205 | 1 |
| Oct 2025 | 218 | 1 |
| Sep 2025 | 216 | 1 |
| Aug 2025 | 218 | 1 |
| Jul 2025 | 211 | 1 |
| Jun 2025 | 211 | 1 |
| May 2025 | 224 | 1 |
| Apr 2025 | 225 | 1 |
| Mar 2025 | 217 | 1 |
| Feb 2025 | 199 | 1 |
| Jan 2025 | 230 | 1 |
| Dec 2024 | 221 | 1 |
| Nov 2024 | 206 | 1 |
| Oct 2024 | 228 | 1 |
| Sep 2024 | 221 | 1 |
| Aug 2024 | 231 | 1 |
| Jul 2024 | 230 | 1 |
| Jun 2024 | 229 | 1 |
| May 2024 | 238 | 1 |
| Apr 2024 | 236 | 1 |
| Mar 2024 | 246 | 1 |
| Feb 2024 | 225 | 1 |
| Jan 2024 | 231 | 1 |
| Dec 2023 | 244 | 1 |
| Nov 2023 | 233 | 1 |
| Oct 2023 | 244 | 1 |
| Sep 2023 | 241 | 1 |
| Aug 2023 | 241 | 1 |
| Jul 2023 | 245 | 1 |
| Jun 2023 | 238 | 1 |
| May 2023 | 253 | 1 |
| Apr 2023 | 252 | 1 |
| Mar 2023 | 259 | 1 |
| Feb 2023 | 236 | 1 |
| Jan 2023 | 259 | 1 |
| Dec 2022 | 253 | 1 |
| Nov 2022 | 259 | 1 |
| Oct 2022 | 274 | 1 |
| Sep 2022 | 269 | 1 |
| Aug 2022 | 275 | 1 |
| Jul 2022 | 272 | 1 |
| Jun 2022 | 270 | 1 |
| May 2022 | 289 | 1 |
| Apr 2022 | 287 | 1 |
| Mar 2022 | 296 | 1 |
| Feb 2022 | 277 | 1 |
| Jan 2022 | 302 | 1 |
| Dec 2021 | 309 | 1 |
| Nov 2021 | 299 | 1 |
| Oct 2021 | 318 | 1 |
| Sep 2021 | 312 | 1 |
| Aug 2021 | 319 | 1 |
| Jul 2021 | 309 | 1 |
| Jun 2021 | 303 | 1 |
| May 2021 | 328 | 1 |
| Apr 2021 | 320 | 1 |
| Mar 2021 | 333 | 1 |
| Feb 2021 | 314 | 1 |
| Jan 2021 | 335 | 1 |
| Dec 2020 | 338 | 1 |
| Nov 2020 | 332 | 1 |
| Oct 2020 | 350 | 1 |
| Sep 2020 | 337 | 1 |
| Aug 2020 | 329 | 1 |
| Jul 2020 | 318 | 1 |
| Jun 2020 | 327 | 1 |
| May 2020 | 354 | 1 |
| Apr 2020 | 354 | 1 |
| Mar 2020 | 374 | 1 |
| Feb 2020 | 348 | 1 |
| Jan 2020 | 375 | 1 |
| Dec 2019 | 379 | 1 |
| Nov 2019 | 373 | 1 |
| Oct 2019 | 398 | 1 |
| Sep 2019 | 393 | 1 |
| Aug 2019 | 399 | 1 |
| Jul 2019 | 398 | 1 |
| Jun 2019 | 389 | 1 |
| May 2019 | 407 | 1 |
| Apr 2019 | 400 | 1 |
| Mar 2019 | 413 | 1 |
| Feb 2019 | 372 | 1 |
| Jan 2019 | 413 | 1 |
| Dec 2018 | 424 | 1 |
| Nov 2018 | 412 | 1 |
| Oct 2018 | 439 | 1 |
| Sep 2018 | 431 | 1 |
| Aug 2018 | 441 | 1 |
| Jul 2018 | 438 | 1 |
| Jun 2018 | 426 | 1 |
| May 2018 | 450 | 1 |
| Apr 2018 | 434 | 1 |
| Mar 2018 | 462 | 1 |
| Feb 2018 | 414 | 1 |
| Jan 2018 | 461 | 1 |
| Dec 2017 | 461 | 1 |
| Nov 2017 | 459 | 1 |
| Oct 2017 | 483 | 1 |
| Sep 2017 | 469 | 1 |
| Aug 2017 | 500 | 1 |
| Jul 2017 | 498 | 1 |
| Jun 2017 | 530 | 1 |
| May 2017 | 597 | 1 |
| Apr 2017 | 577 | 1 |
| Mar 2017 | 609 | 1 |
| Feb 2017 | 559 | 1 |
| Jan 2017 | 614 | 1 |
| Dec 2016 | 626 | 1 |
| Nov 2016 | 618 | 1 |
| Oct 2016 | 645 | 1 |
| Sep 2016 | 627 | 1 |
| Aug 2016 | 654 | 1 |
| Jul 2016 | 642 | 1 |
| Jun 2016 | 623 | 1 |
| May 2016 | 573 | 1 |
| Apr 2016 | 557 | 1 |
| Mar 2016 | 561 | 1 |
| Feb 2016 | 525 | 1 |
| Jan 2016 | 562 | 1 |
| Dec 2015 | 562 | 1 |
| Nov 2015 | 520 | 1 |
| Oct 2015 | 566 | 1 |
| Sep 2015 | 546 | 1 |
| Aug 2015 | 549 | 1 |
| Jul 2015 | 567 | 1 |
| Jun 2015 | 618 | 1 |
| May 2015 | 645 | 1 |
| Apr 2015 | 627 | 1 |
| Mar 2015 | 651 | 1 |
| Feb 2015 | 691 | 1 |
| Jan 2015 | 765 | 1 |
| Dec 2014 | 676 | 1 |
| Nov 2014 | 656 | 1 |
| Oct 2014 | 718 | 1 |
| Sep 2014 | 728 | 1 |
| Aug 2014 | 765 | 1 |
| Jul 2014 | 779 | 1 |
| Jun 2014 | 753 | 1 |
| May 2014 | 788 | 1 |
| Apr 2014 | 765 | 1 |
| Mar 2014 | 805 | 1 |
| Feb 2014 | 738 | 1 |
| Jan 2014 | 822 | 1 |
| Dec 2013 | 844 | 1 |
| Nov 2013 | 816 | 1 |
| Oct 2013 | 840 | 1 |
| Sep 2013 | 821 | 1 |
| Aug 2013 | 859 | 1 |
| Jul 2013 | 851 | 1 |
| Jun 2013 | 813 | 1 |
| May 2013 | 845 | 1 |
| Apr 2013 | 835 | 1 |
| Mar 2013 | 874 | 1 |
| Feb 2013 | 805 | 1 |
| Jan 2013 | 911 | 1 |
| Dec 2012 | 925 | 1 |
| Nov 2012 | 912 | 1 |
| Oct 2012 | 932 | 1 |
| Sep 2012 | 930 | 1 |
| Aug 2012 | 939 | 1 |
| Jul 2012 | 972 | 1 |
| Jun 2012 | 939 | 1 |
| May 2012 | 966 | 1 |
| Apr 2012 | 933 | 1 |
| Mar 2012 | 970 | 1 |
| Feb 2012 | 920 | 1 |
| Jan 2012 | 986 | 1 |
| Dec 2011 | 1,051 | 1 |
| Nov 2011 | 1,025 | 1 |
| Oct 2011 | 1,065 | 1 |
| Sep 2011 | 1,034 | 1 |
| Aug 2011 | 1,081 | 1 |
| Jul 2011 | 1,129 | 1 |
| Jun 2011 | 1,082 | 1 |
| May 2011 | 1,129 | 1 |
| Apr 2011 | 1,063 | 1 |
| Mar 2011 | 1,105 | 1 |
| Feb 2011 | 1,003 | 1 |
| Jan 2011 | 1,136 | 1 |
| Dec 2010 | 1,153 | 1 |
| Nov 2010 | 1,101 | 1 |
| Oct 2010 | 1,128 | 1 |
| Sep 2010 | 937 | 1 |
| Aug 2010 | 1,047 | 1 |
| Jul 2010 | 1,152 | 1 |
| Jun 2010 | 1,085 | 1 |
| May 2010 | 1,134 | 1 |
| Apr 2010 | 1,077 | 1 |
| Mar 2010 | 1,118 | 1 |
| Feb 2010 | 1,014 | 1 |
| Jan 2010 | 1,091 | 1 |
| Dec 2009 | 1,075 | 1 |
| Nov 2009 | 1,041 | 1 |
| Oct 2009 | 1,028 | 1 |
| Sep 2009 | 969 | 1 |
| Aug 2009 | 945 | 1 |
| Jul 2009 | 850 | 1 |
| Jun 2009 | 757 | 1 |
| May 2009 | 733 | 1 |
| Apr 2009 | 663 | 1 |
| Mar 2009 | 650 | 1 |
| Feb 2009 | 582 | 1 |
| Jan 2009 | 644 | 1 |
| Dec 2008 | 669 | 1 |
| Nov 2008 | 762 | 1 |
| Oct 2008 | 686 | 1 |
| Sep 2008 | 592 | 1 |
| Aug 2008 | 474 | 1 |
| Jul 2008 | 395 | 1 |
| Jun 2008 | 221 | 1 |
| May 2008 | 26 | 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 | 8-4 | River Rock Operating, LLC | Producing |
Location
37.536037, -95.461128 · Sec 8 T29S R18E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1038636092. The state’s own record.