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Yearly and monthly production

UMBARGER,M. 8-2 Lease
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Lease: UMBARGER,M. 8-2
Operator: River Rock Operating, LLC
Location: T29S, R18E, Sec. 8
Cumulative Production: 676008 mcf (from 2002 to 2024)
KS Dept. of Revenue Lease Code: 224136
KS Dept. of Revenue Lease Name: UMBARGER,M. 8-2
View T1 PDF (from KCC)
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):
T29S R18E, Sec. 8, NE SW NW
Lease: Umbarger, Milo 2-8
Operator: Devon SFS Operating Inc.
Current Operator: River Rock Operating, LLC
API Number: 15-133-25892

Data are received monthly from the Kansas Department of Revenue.



Annual Gas Production, (mcf)

Year Production Wells
Production Plots

2002 5,801 1
2003 88,932 1
2004 124,698 1
2005 95,244 1
2006 64,549 1
2007 53,822 1
2008 39,900 1
2009 29,222 1
2010 25,553 1
2011 22,434 1
2012 19,828 1
2013 16,624 1
2014 14,346 1
2015 13,174 1
2016 12,758 1
2017 10,847 1
2018 8,689 1
2019 7,888 1
2020 5,494 1
2021 5,287 1
2022 5,039 1
2023 4,696 1
2024 1,183 1
Reported through 3-2024.
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 1312 1 PostRock Midcontinent Production LLC (100%)
2014 2 1150 1 PostRock Midcontinent Production LLC (100%)
2014 3 1197 1 PostRock Midcontinent Production LLC (100%)
2014 4 1167 1 PostRock Midcontinent Production LLC (100%)
2014 5 1237 1 PostRock Midcontinent Production LLC (100%)
2014 6 1217 1 PostRock Midcontinent Production LLC (100%)
2014 7 1043 1 PostRock Midcontinent Production LLC (100%)
2014 8 1214 1 PostRock Midcontinent Production LLC (100%)
2014 9 1190 1 PostRock Midcontinent Production LLC (100%)
2014 10 1224 1 PostRock Midcontinent Production LLC (100%)
2014 11 1190 1 PostRock Midcontinent Production LLC (100%)
2014 12 1205 1 PostRock Midcontinent Production LLC (100%)
2015 1 1369 1 PostRock Midcontinent Production LLC (100%)
2015 2 1177 1 PostRock Midcontinent Production LLC (100%)
2015 3 1084 1 PostRock Midcontinent Production LLC (100%)
2015 4 1031 1 PostRock Midcontinent Production LLC (100%)
2015 5 1058 1 PostRock Midcontinent Production LLC (100%)
2015 6 987 1 PostRock Midcontinent Production LLC (100%)
2015 7 1040 1 PostRock Midcontinent Production LLC (100%)
2015 8 1114 1 PostRock Midcontinent Production LLC (100%)
2015 9 1068 1 PostRock Midcontinent Production LLC (100%)
2015 10 1106 1 PostRock Midcontinent Production LLC (100%)
2015 11 1049 1 PostRock Midcontinent Production LLC (100%)
2015 12 1091 1 PostRock Midcontinent Production LLC (100%)
2016 1 1079 1 PostRock Midcontinent Production LLC (100%)
2016 2 977 1 PostRock Midcontinent Production LLC (100%)
2016 3 988 1 PostRock Midcontinent Production LLC (100%)
2016 4 947 1 PostRock Midcontinent Production LLC (100%)
2016 5 979 1 PostRock Midcontinent Production LLC (100%)
2016 6 963 1 RIVER ROCK ENERGY LLC (100%)
2016 7 1149 1 RIVER ROCK ENERGY LLC (100%)
2016 8 1168 1 RIVER ROCK ENERGY LLC (100%)
2016 9 1141 1 RIVER ROCK ENERGY LLC (100%)
2016 10 1152 1 RIVER ROCK ENERGY LLC (100%)
2016 11 1111 1 RIVER ROCK ENERGY LLC (100%)
2016 12 1104 1 RIVER ROCK ENERGY LLC (100%)
2017 1 1082 1 RIVER ROCK ENERGY LLC (100%)
2017 2 914 1 RIVER ROCK ENERGY LLC (100%)
2017 3 997 1 RIVER ROCK ENERGY LLC (100%)
2017 4 926 1 RIVER ROCK ENERGY LLC (100%)
2017 5 952 1 RIVER ROCK ENERGY LLC (100%)
2017 6 789 1 RIVER ROCK ENERGY LLC (100%)
2017 7 893 1 RIVER ROCK ENERGY LLC (100%)
2017 8 844 1 RIVER ROCK ENERGY LLC (100%)
2017 9 871 1 RIVER ROCK ENERGY LLC (100%)
2017 10 891 1 RIVER ROCK ENERGY LLC (100%)
2017 11 831 1 RIVER ROCK ENERGY LLC (100%)
2017 12 857 1 RIVER ROCK ENERGY LLC (100%)
2018 1 848 1 RIVER ROCK ENERGY LLC (100%)
2018 2 748 1 RIVER ROCK ENERGY LLC (100%)
2018 3 814 1 RIVER ROCK ENERGY LLC (100%)
2018 4 713 1 RIVER ROCK ENERGY LLC (100%)
2018 5 668 1 RIVER ROCK ENERGY LLC (100%)
2018 6 656 1 RIVER ROCK ENERGY LLC (100%)
2018 7 671 1 RIVER ROCK ENERGY LLC (100%)
2018 8 646 1 RIVER ROCK ENERGY LLC (100%)
2018 9 698 1 RIVER ROCK ENERGY LLC (100%)
2018 10 755 1 RIVER ROCK ENERGY LLC (100%)
2018 11 729 1 RIVER ROCK ENERGY LLC (100%)
2018 12 743 1 RIVER ROCK ENERGY LLC (100%)
2019 1 717 1 RIVER ROCK ENERGY LLC (100%)
2019 2 661 1 RIVER ROCK ENERGY LLC (100%)
2019 3 717 1 RIVER ROCK ENERGY LLC (100%)
2019 4 632 1 RIVER ROCK ENERGY LLC (100%)
2019 5 672 1 RIVER ROCK ENERGY LLC (100%)
2019 6 614 1 RIVER ROCK ENERGY LLC (100%)
2019 7 615 1 RIVER ROCK ENERGY LLC (100%)
2019 8 639 1 RIVER ROCK ENERGY LLC (100%)
2019 9 629 1 RIVER ROCK ENERGY LLC (100%)
2019 10 669 1 RIVER ROCK ENERGY LLC (100%)
2019 11 664 1 RIVER ROCK ENERGY LLC (100%)
2019 12 659 1 RIVER ROCK ENERGY LLC (100%)
2020 1 531 1 RIVER ROCK ENERGY LLC (100%)
2020 2 531 1 RIVER ROCK ENERGY LLC (100%)
2020 3 606 1 RIVER ROCK ENERGY LLC (100%)
2020 4 571 1 RIVER ROCK ENERGY LLC (100%)
2020 5 555 1 RIVER ROCK ENERGY LLC (100%)
2020 6 402 1 RIVER ROCK ENERGY LLC (100%)
2020 7 384 1 RIVER ROCK ENERGY LLC (100%)
2020 8 382 1 RIVER ROCK ENERGY LLC (100%)
2020 9 371 1 RIVER ROCK ENERGY LLC (100%)
2020 10 389 1 RIVER ROCK ENERGY LLC (100%)
2020 11 382 1 RIVER ROCK ENERGY LLC (100%)
2020 12 390 1 RIVER ROCK ENERGY LLC (100%)
2021 1 400 1 RIVER ROCK ENERGY LLC (100%)
2021 2 452 1 RIVER ROCK ENERGY LLC (100%)
2021 3 502 1 RIVER ROCK ENERGY LLC (100%)
2021 4 464 1 RIVER ROCK ENERGY LLC (100%)
2021 5 437 1 RIVER ROCK ENERGY LLC (100%)
2021 6 443 1 RIVER ROCK ENERGY LLC (100%)
2021 7 429 1 RIVER ROCK ENERGY LLC (100%)
2021 8 437 1 RIVER ROCK ENERGY LLC (100%)
2021 9 426 1 RIVER ROCK ENERGY LLC (100%)
2021 10 443 1 RIVER ROCK ENERGY LLC (100%)
2021 11 422 1 RIVER ROCK ENERGY LLC (100%)
2021 12 432 1 RIVER ROCK ENERGY LLC (100%)
2022 1 434 1 RIVER ROCK ENERGY LLC (100%)
2022 2 382 1 RIVER ROCK ENERGY LLC (100%)
2022 3 433 1 RIVER ROCK ENERGY LLC (100%)
2022 4 426 1 RIVER ROCK ENERGY LLC (100%)
2022 5 437 1 RIVER ROCK ENERGY LLC (100%)
2022 6 417 1 RIVER ROCK ENERGY LLC (100%)
2022 7 429 1 RIVER ROCK ENERGY LLC (100%)
2022 8 434 1 RIVER ROCK ENERGY LLC (100%)
2022 9 422 1 RIVER ROCK ENERGY LLC (100%)
2022 10 429 1 RIVER ROCK ENERGY LLC (100%)
2022 11 395 1 RIVER ROCK ENERGY LLC (100%)
2022 12 401 1 RIVER ROCK ENERGY LLC (100%)
2023 1 439 1 RIVER ROCK ENERGY LLC (100%)
2023 2 372 1 RIVER ROCK ENERGY LLC (100%)
2023 3 412 1 RIVER ROCK ENERGY LLC (100%)
2023 4 400 1 RIVER ROCK ENERGY LLC (100%)
2023 5 406 1 RIVER ROCK ENERGY LLC (100%)
2023 6 377 1 RIVER ROCK ENERGY LLC (100%)
2023 7 371 1 RIVER ROCK ENERGY LLC (100%)
2023 8 397 1 RIVER ROCK ENERGY LLC (100%)
2023 9 377 1 RIVER ROCK ENERGY LLC (100%)
2023 10 377 1 RIVER ROCK ENERGY LLC (100%)
2023 11 377 1 RIVER ROCK ENERGY LLC (100%)
2023 12 391 1 RIVER ROCK ENERGY LLC (100%)
2024 1 386 1 RIVER ROCK ENERGY LLC (100%)
2024 2 391 1 RIVER ROCK ENERGY LLC (100%)
2024 3 406 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.