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Yearly and monthly production

Umbarger, M. Keith 35-6 Lease
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Lease: Umbarger, M. Keith 35-6
Operator: River Rock Operating, LLC
Location: T28S, R17E, Sec. 35
Cumulative Production: 108320 mcf (from 2007 to 2024)
KS Dept. of Revenue Lease Code: 229281
KS Dept. of Revenue Lease Name: UMBARGER,M.35-6
View T1 PDF (from KCC)
View T1 PDF (from KCC)
Field: Cherokee Basin Coal Area
County: Neosho
Producing Zone:
Well Data (may be an incomplete list):
T28S R17E, Sec. 35, NE SW
Lease: Umbarger, M. Keith 35-6
Operator: Quest Cherokee, LLC
Current Operator: River Rock Operating, LLC
API Number: 15-133-26864

Data are received monthly from the Kansas Department of Revenue.



Annual Gas Production, (mcf)

Year Production Wells
Production Plots

2007 2,985 1
2008 16,641 1
2009 13,191 1
2010 10,847 1
2011 9,590 1
2012 8,299 1
2013 8,356 1
2014 7,629 1
2015 6,700 1
2016 7,841 1
2017 6,039 1
2018 2,867 1
2019 650 1
2020 477 1
2021 2,801 1
2022 716 1
2023 2,496 1
2024 195 1
Reported through 7-2024.
Note: bbls is barrels; mcf is 1000 cubic feet.
  Recent Monthly Gas Production, (mcf)
(Complete production available in file saved
using blue button at top of page.)
Year Month Production Wells Reporter or Purchaser/
Reporting Customer
2014 1 867 1 PostRock Midcontinent Production LLC (100%)
2014 2 740 1 PostRock Midcontinent Production LLC (100%)
2014 3 799 1 PostRock Midcontinent Production LLC (100%)
2014 4 610 1 PostRock Midcontinent Production LLC (100%)
2014 5 743 1 PostRock Midcontinent Production LLC (100%)
2014 6 707 1 PostRock Midcontinent Production LLC (100%)
2014 7 655 1 PostRock Midcontinent Production LLC (100%)
2014 8 686 1 PostRock Midcontinent Production LLC (100%)
2014 9 566 1 PostRock Midcontinent Production LLC (100%)
2014 10 327 1 PostRock Midcontinent Production LLC (100%)
2014 11 572 1 PostRock Midcontinent Production LLC (100%)
2014 12 357 1 PostRock Midcontinent Production LLC (100%)
2015 1 363 1 PostRock Midcontinent Production LLC (100%)
2015 2 572 1 PostRock Midcontinent Production LLC (100%)
2015 3 221 1 PostRock Midcontinent Production LLC (100%)
2015 4 315 1 PostRock Midcontinent Production LLC (100%)
2015 5 324 1 PostRock Midcontinent Production LLC (100%)
2015 6 764 1 PostRock Midcontinent Production LLC (100%)
2015 7 798 1 PostRock Midcontinent Production LLC (100%)
2015 8 737 1 PostRock Midcontinent Production LLC (100%)
2015 9 675 1 PostRock Midcontinent Production LLC (100%)
2015 10 685 1 PostRock Midcontinent Production LLC (100%)
2015 11 623 1 PostRock Midcontinent Production LLC (100%)
2015 12 623 1 PostRock Midcontinent Production LLC (100%)
2016 1 611 1 PostRock Midcontinent Production LLC (100%)
2016 2 523 1 PostRock Midcontinent Production LLC (100%)
2016 3 599 1 PostRock Midcontinent Production LLC (100%)
2016 4 571 1 PostRock Midcontinent Production LLC (100%)
2016 5 610 1 PostRock Midcontinent Production LLC (100%)
2016 6 830 1 RIVER ROCK ENERGY LLC (100%)
2016 7 711 1 RIVER ROCK ENERGY LLC (100%)
2016 8 717 1 RIVER ROCK ENERGY LLC (100%)
2016 9 691 1 RIVER ROCK ENERGY LLC (100%)
2016 10 700 1 RIVER ROCK ENERGY LLC (100%)
2016 11 653 1 RIVER ROCK ENERGY LLC (100%)
2016 12 625 1 RIVER ROCK ENERGY LLC (100%)
2017 1 652 1 RIVER ROCK ENERGY LLC (100%)
2017 2 535 1 RIVER ROCK ENERGY LLC (100%)
2017 3 358 1 RIVER ROCK ENERGY LLC (100%)
2017 4 603 1 RIVER ROCK ENERGY LLC (100%)
2017 5 644 1 RIVER ROCK ENERGY LLC (100%)
2017 6 587 1 RIVER ROCK ENERGY LLC (100%)
2017 7 517 1 RIVER ROCK ENERGY LLC (100%)
2017 8 605 1 RIVER ROCK ENERGY LLC (100%)
2017 9 455 1 RIVER ROCK ENERGY LLC (100%)
2017 10 529 1 RIVER ROCK ENERGY LLC (100%)
2017 11 277 1 RIVER ROCK ENERGY LLC (100%)
2017 12 277 1 RIVER ROCK ENERGY LLC (100%)
2018 1 204 1 RIVER ROCK ENERGY LLC (100%)
2018 2 283 1 RIVER ROCK ENERGY LLC (100%)
2018 3 374 1 RIVER ROCK ENERGY LLC (100%)
2018 4 343 1 RIVER ROCK ENERGY LLC (100%)
2018 5 623 1 RIVER ROCK ENERGY LLC (100%)
2018 6 469 1 RIVER ROCK ENERGY LLC (100%)
2018 7 137 1 RIVER ROCK ENERGY LLC (100%)
2018 8 90 1 RIVER ROCK ENERGY LLC (100%)
2018 9 101 1 RIVER ROCK ENERGY LLC (100%)
2018 10 92 1 RIVER ROCK ENERGY LLC (100%)
2018 11 89 1 RIVER ROCK ENERGY LLC (100%)
2018 12 62 1 RIVER ROCK ENERGY LLC (100%)
2019 1 70 1 RIVER ROCK ENERGY LLC (100%)
2019 2 128 1 RIVER ROCK ENERGY LLC (100%)
2019 3 108 1 RIVER ROCK ENERGY LLC (100%)
2019 4 50 1 RIVER ROCK ENERGY LLC (100%)
2019 5 72 1 RIVER ROCK ENERGY LLC (100%)
2019 6 13 1 RIVER ROCK ENERGY LLC (100%)
2019 8 26 1 RIVER ROCK ENERGY LLC (100%)
2019 9 47 1 RIVER ROCK ENERGY LLC (100%)
2019 10 48 1 RIVER ROCK ENERGY LLC (100%)
2019 11 45 1 RIVER ROCK ENERGY LLC (100%)
2019 12 43 1 RIVER ROCK ENERGY LLC (100%)
2020 1 42 1 RIVER ROCK ENERGY LLC (100%)
2020 2 42 1 RIVER ROCK ENERGY LLC (100%)
2020 3 44 1 RIVER ROCK ENERGY LLC (100%)
2020 4 41 1 RIVER ROCK ENERGY LLC (100%)
2020 5 40 1 RIVER ROCK ENERGY LLC (100%)
2020 6 36 1 RIVER ROCK ENERGY LLC (100%)
2020 7 39 1 RIVER ROCK ENERGY LLC (100%)
2020 8 39 1 RIVER ROCK ENERGY LLC (100%)
2020 9 38 1 RIVER ROCK ENERGY LLC (100%)
2020 10 39 1 RIVER ROCK ENERGY LLC (100%)
2020 11 38 1 RIVER ROCK ENERGY LLC (100%)
2020 12 39 1 RIVER ROCK ENERGY LLC (100%)
2021 1 39 1 RIVER ROCK ENERGY LLC (100%)
2021 2 35 1 RIVER ROCK ENERGY LLC (100%)
2021 3 39 1 RIVER ROCK ENERGY LLC (100%)
2021 4 38 1 RIVER ROCK ENERGY LLC (100%)
2021 5 39 1 RIVER ROCK ENERGY LLC (100%)
2021 6 258 1 RIVER ROCK ENERGY LLC (100%)
2021 7 627 1 RIVER ROCK ENERGY LLC (100%)
2021 8 548 1 RIVER ROCK ENERGY LLC (100%)
2021 9 489 1 RIVER ROCK ENERGY LLC (100%)
2021 10 359 1 RIVER ROCK ENERGY LLC (100%)
2021 11 188 1 RIVER ROCK ENERGY LLC (100%)
2021 12 142 1 RIVER ROCK ENERGY LLC (100%)
2022 1 113 1 RIVER ROCK ENERGY LLC (100%)
2022 2 86 1 RIVER ROCK ENERGY LLC (100%)
2022 3 81 1 RIVER ROCK ENERGY LLC (100%)
2022 4 63 1 RIVER ROCK ENERGY LLC (100%)
2022 5 53 1 RIVER ROCK ENERGY LLC (100%)
2022 6 55 1 RIVER ROCK ENERGY LLC (100%)
2022 7 54 1 RIVER ROCK ENERGY LLC (100%)
2022 8 53 1 RIVER ROCK ENERGY LLC (100%)
2022 9 41 1 RIVER ROCK ENERGY LLC (100%)
2022 10 40 1 RIVER ROCK ENERGY LLC (100%)
2022 11 36 1 RIVER ROCK ENERGY LLC (100%)
2022 12 41 1 RIVER ROCK ENERGY LLC (100%)
2023 1 54 1 RIVER ROCK ENERGY LLC (100%)
2023 2 47 1 RIVER ROCK ENERGY LLC (100%)
2023 3 43 1 RIVER ROCK ENERGY LLC (100%)
2023 4 542 1 RIVER ROCK ENERGY LLC (100%)
2023 5 576 1 RIVER ROCK ENERGY LLC (100%)
2023 6 359 1 RIVER ROCK ENERGY LLC (100%)
2023 7 440 1 RIVER ROCK ENERGY LLC (100%)
2023 8 164 1 RIVER ROCK ENERGY LLC (100%)
2023 9 93 1 RIVER ROCK ENERGY LLC (100%)
2023 10 76 1 RIVER ROCK ENERGY LLC (100%)
2023 11 67 1 RIVER ROCK ENERGY LLC (100%)
2023 12 35 1 RIVER ROCK ENERGY LLC (100%)
2024 1 19 1 RIVER ROCK ENERGY LLC (100%)
2024 2 17 1 RIVER ROCK ENERGY LLC (100%)
2024 3 22 1 RIVER ROCK ENERGY LLC (100%)
2024 4 31 1 RIVER ROCK ENERGY LLC (100%)
2024 5 37 1 RIVER ROCK ENERGY LLC (100%)
2024 6 35 1 RIVER ROCK ENERGY LLC (100%)
2024 7 34 1 RIVER ROCK ENERGY LLC (100%)



Pre-1987 cumulative data and monthly volume data is provided under license agreement to the KGS by IHS Energy. As such, it may be reviewed and used for public service and research purposes. It may not be downloaded or used for purposes of re-packaging, reselling or dissemination to third parties.

Kansas Geological Survey
Comments to webadmin@kgs.ku.edu
URL=http://www.kgs.ku.edu/Magellan/Field/lease.html
Programs Updated May 27, 2014
Data from Kansas Dept. of Revenue files monthly.