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Yearly and monthly production

Umbarger, Stanley 4-1 Lease
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Lease: Umbarger, Stanley 4-1
Operator: River Rock Operating, LLC
Location: T30S, R18E, Sec. 4
Cumulative Production: 110353 mcf (from 2003 to 2024)
KS Dept. of Revenue Lease Code: 224610
KS Dept. of Revenue Lease Name: UMBARGER,S. 4-1
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):
T30S R18E, Sec. 4, SW NE NE
Lease: Umbarger, Stanley 4-1
Operator: Devon Energy Production Company,L.P.
Current Operator: River Rock Operating, LLC
API Number: 15-133-25936

Data are received monthly from the Kansas Department of Revenue.



Annual Gas Production, (mcf)

Year Production Wells
Production Plots

2003 6,679 1
2004 11,077 1
2005 7,769 1
2006 6,874 1
2007 8,129 1
2008 11,849 1
2009 11,528 1
2010 9,950 1
2011 7,088 1
2012 5,812 1
2013 4,029 1
2014 3,594 1
2015 2,938 1
2016 3,095 1
2017 2,168 1
2018 1,289 1
2019 1,348 1
2020 1,285 1
2021 1,281 1
2022 1,242 1
2023 1,206 1
2024 123 1
Reported through 2-2024.
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 1 316 1 PostRock Midcontinent Production LLC (100%)
2014 2 244 1 PostRock Midcontinent Production LLC (100%)
2014 3 310 1 PostRock Midcontinent Production LLC (100%)
2014 4 300 1 PostRock Midcontinent Production LLC (100%)
2014 5 294 1 PostRock Midcontinent Production LLC (100%)
2014 6 330 1 PostRock Midcontinent Production LLC (100%)
2014 7 317 1 PostRock Midcontinent Production LLC (100%)
2014 8 301 1 PostRock Midcontinent Production LLC (100%)
2014 9 309 1 PostRock Midcontinent Production LLC (100%)
2014 10 312 1 PostRock Midcontinent Production LLC (100%)
2014 11 284 1 PostRock Midcontinent Production LLC (100%)
2014 12 277 1 PostRock Midcontinent Production LLC (100%)
2015 1 307 1 PostRock Midcontinent Production LLC (100%)
2015 2 300 1 PostRock Midcontinent Production LLC (100%)
2015 3 362 1 PostRock Midcontinent Production LLC (100%)
2015 4 113 1 PostRock Midcontinent Production LLC (100%)
2015 5 72 1 PostRock Midcontinent Production LLC (100%)
2015 6 252 1 PostRock Midcontinent Production LLC (100%)
2015 7 216 1 PostRock Midcontinent Production LLC (100%)
2015 8 221 1 PostRock Midcontinent Production LLC (100%)
2015 9 226 1 PostRock Midcontinent Production LLC (100%)
2015 10 242 1 PostRock Midcontinent Production LLC (100%)
2015 11 246 1 PostRock Midcontinent Production LLC (100%)
2015 12 381 1 PostRock Midcontinent Production LLC (100%)
2016 1 317 1 PostRock Midcontinent Production LLC (100%)
2016 2 267 1 PostRock Midcontinent Production LLC (100%)
2016 3 196 1 PostRock Midcontinent Production LLC (100%)
2016 4 229 1 PostRock Midcontinent Production LLC (100%)
2016 5 216 1 PostRock Midcontinent Production LLC (100%)
2016 6 271 1 RIVER ROCK ENERGY LLC (100%)
2016 7 260 1 RIVER ROCK ENERGY LLC (100%)
2016 8 272 1 RIVER ROCK ENERGY LLC (100%)
2016 9 279 1 RIVER ROCK ENERGY LLC (100%)
2016 10 266 1 RIVER ROCK ENERGY LLC (100%)
2016 11 249 1 RIVER ROCK ENERGY LLC (100%)
2016 12 273 1 RIVER ROCK ENERGY LLC (100%)
2017 1 276 1 RIVER ROCK ENERGY LLC (100%)
2017 2 249 1 RIVER ROCK ENERGY LLC (100%)
2017 3 276 1 RIVER ROCK ENERGY LLC (100%)
2017 4 267 1 RIVER ROCK ENERGY LLC (100%)
2017 5 276 1 RIVER ROCK ENERGY LLC (100%)
2017 6 267 1 RIVER ROCK ENERGY LLC (100%)
2017 8 121 1 RIVER ROCK ENERGY LLC (100%)
2017 9 117 1 RIVER ROCK ENERGY LLC (100%)
2017 10 104 1 RIVER ROCK ENERGY LLC (100%)
2017 11 102 1 RIVER ROCK ENERGY LLC (100%)
2017 12 113 1 RIVER ROCK ENERGY LLC (100%)
2018 1 121 1 RIVER ROCK ENERGY LLC (100%)
2018 2 113 1 RIVER ROCK ENERGY LLC (100%)
2018 3 116 1 RIVER ROCK ENERGY LLC (100%)
2018 4 110 1 RIVER ROCK ENERGY LLC (100%)
2018 5 110 1 RIVER ROCK ENERGY LLC (100%)
2018 6 104 1 RIVER ROCK ENERGY LLC (100%)
2018 7 106 1 RIVER ROCK ENERGY LLC (100%)
2018 8 100 1 RIVER ROCK ENERGY LLC (100%)
2018 9 98 1 RIVER ROCK ENERGY LLC (100%)
2018 10 102 1 RIVER ROCK ENERGY LLC (100%)
2018 11 101 1 RIVER ROCK ENERGY LLC (100%)
2018 12 108 1 RIVER ROCK ENERGY LLC (100%)
2019 1 118 1 RIVER ROCK ENERGY LLC (100%)
2019 2 115 1 RIVER ROCK ENERGY LLC (100%)
2019 3 118 1 RIVER ROCK ENERGY LLC (100%)
2019 4 112 1 RIVER ROCK ENERGY LLC (100%)
2019 5 116 1 RIVER ROCK ENERGY LLC (100%)
2019 6 108 1 RIVER ROCK ENERGY LLC (100%)
2019 7 112 1 RIVER ROCK ENERGY LLC (100%)
2019 8 114 1 RIVER ROCK ENERGY LLC (100%)
2019 9 108 1 RIVER ROCK ENERGY LLC (100%)
2019 10 113 1 RIVER ROCK ENERGY LLC (100%)
2019 11 105 1 RIVER ROCK ENERGY LLC (100%)
2019 12 109 1 RIVER ROCK ENERGY LLC (100%)
2020 1 109 1 RIVER ROCK ENERGY LLC (100%)
2020 2 102 1 RIVER ROCK ENERGY LLC (100%)
2020 3 109 1 RIVER ROCK ENERGY LLC (100%)
2020 4 105 1 RIVER ROCK ENERGY LLC (100%)
2020 5 109 1 RIVER ROCK ENERGY LLC (100%)
2020 6 105 1 RIVER ROCK ENERGY LLC (100%)
2020 7 109 1 RIVER ROCK ENERGY LLC (100%)
2020 8 109 1 RIVER ROCK ENERGY LLC (100%)
2020 9 105 1 RIVER ROCK ENERGY LLC (100%)
2020 10 109 1 RIVER ROCK ENERGY LLC (100%)
2020 11 105 1 RIVER ROCK ENERGY LLC (100%)
2020 12 109 1 RIVER ROCK ENERGY LLC (100%)
2021 1 109 1 RIVER ROCK ENERGY LLC (100%)
2021 2 98 1 RIVER ROCK ENERGY LLC (100%)
2021 3 109 1 RIVER ROCK ENERGY LLC (100%)
2021 4 105 1 RIVER ROCK ENERGY LLC (100%)
2021 5 109 1 RIVER ROCK ENERGY LLC (100%)
2021 6 105 1 RIVER ROCK ENERGY LLC (100%)
2021 7 109 1 RIVER ROCK ENERGY LLC (100%)
2021 8 109 1 RIVER ROCK ENERGY LLC (100%)
2021 9 105 1 RIVER ROCK ENERGY LLC (100%)
2021 10 109 1 RIVER ROCK ENERGY LLC (100%)
2021 11 105 1 RIVER ROCK ENERGY LLC (100%)
2021 12 109 1 RIVER ROCK ENERGY LLC (100%)
2022 1 109 1 RIVER ROCK ENERGY LLC (100%)
2022 2 98 1 RIVER ROCK ENERGY LLC (100%)
2022 3 109 1 RIVER ROCK ENERGY LLC (100%)
2022 4 105 1 RIVER ROCK ENERGY LLC (100%)
2022 5 109 1 RIVER ROCK ENERGY LLC (100%)
2022 6 105 1 RIVER ROCK ENERGY LLC (100%)
2022 7 102 1 RIVER ROCK ENERGY LLC (100%)
2022 8 103 1 RIVER ROCK ENERGY LLC (100%)
2022 9 99 1 RIVER ROCK ENERGY LLC (100%)
2022 10 102 1 RIVER ROCK ENERGY LLC (100%)
2022 11 99 1 RIVER ROCK ENERGY LLC (100%)
2022 12 102 1 RIVER ROCK ENERGY LLC (100%)
2023 1 102 1 RIVER ROCK ENERGY LLC (100%)
2023 2 92 1 RIVER ROCK ENERGY LLC (100%)
2023 3 102 1 RIVER ROCK ENERGY LLC (100%)
2023 4 99 1 RIVER ROCK ENERGY LLC (100%)
2023 5 102 1 RIVER ROCK ENERGY LLC (100%)
2023 6 99 1 RIVER ROCK ENERGY LLC (100%)
2023 7 103 1 RIVER ROCK ENERGY LLC (100%)
2023 8 103 1 RIVER ROCK ENERGY LLC (100%)
2023 9 99 1 RIVER ROCK ENERGY LLC (100%)
2023 10 103 1 RIVER ROCK ENERGY LLC (100%)
2023 11 99 1 RIVER ROCK ENERGY LLC (100%)
2023 12 103 1 RIVER ROCK ENERGY LLC (100%)
2024 1 103 1 RIVER ROCK ENERGY LLC (100%)
2024 2 20 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.