KGS Home Page Oil and Gas Index Page Lease Production Page

Yearly and monthly production

Umbarger, Larry 1-21 Lease
Save To File

Lease: Umbarger, Larry 1-21
Operator: River Rock Operating, LLC
Location: C NE NW T29S, R17E, Sec. 11
Cumulative Production: 200334 mcf (from 2002 to 2024)
KS Dept. of Revenue Lease Code: 223787
KS Dept. of Revenue Lease Name: UMBARGER L 11-1
View T1 PDF (from KCC)
View T1 PDF (from KCC)
View T1 PDF (from KCC)
Field: Cherokee Basin Coal Area
County: Neosho
Producing Zone: Riverton Coal Bed
Well Data (may be an incomplete list):
T29S R17E, Sec. 11, W2 NE NW
Lease: Umbarger, Larry 1-21
Operator: DEVON SFS OPERATING INC
Current Operator: River Rock Operating, LLC
API Number: 15-133-25675

Data are received monthly from the Kansas Department of Revenue.



Annual Gas Production, (mcf)

Year Production Wells
Production Plots

2002 7,248 1
2003 16,933 1
2004 14,157 1
2005 12,030 1
2006 15,362 1
2007 18,641 1
2008 18,832 1
2009 16,209 1
2010 13,912 1
2011 10,842 1
2012 9,962 1
2013 9,179 1
2014 7,580 1
2015 6,127 1
2016 5,528 1
2017 4,709 1
2018 3,862 1
2019 2,426 1
2020 1,908 1
2021 1,617 1
2022 1,418 1
2023 1,177 1
2024 675 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 1 689 1 PostRock Midcontinent Production LLC (100%)
2014 2 655 1 PostRock Midcontinent Production LLC (100%)
2014 3 718 1 PostRock Midcontinent Production LLC (100%)
2014 4 653 1 PostRock Midcontinent Production LLC (100%)
2014 5 660 1 PostRock Midcontinent Production LLC (100%)
2014 6 670 1 PostRock Midcontinent Production LLC (100%)
2014 7 604 1 PostRock Midcontinent Production LLC (100%)
2014 8 581 1 PostRock Midcontinent Production LLC (100%)
2014 9 612 1 PostRock Midcontinent Production LLC (100%)
2014 10 621 1 PostRock Midcontinent Production LLC (100%)
2014 11 576 1 PostRock Midcontinent Production LLC (100%)
2014 12 541 1 PostRock Midcontinent Production LLC (100%)
2015 1 489 1 PostRock Midcontinent Production LLC (100%)
2015 2 512 1 PostRock Midcontinent Production LLC (100%)
2015 3 607 1 PostRock Midcontinent Production LLC (100%)
2015 4 547 1 PostRock Midcontinent Production LLC (100%)
2015 5 548 1 PostRock Midcontinent Production LLC (100%)
2015 6 492 1 PostRock Midcontinent Production LLC (100%)
2015 7 339 1 PostRock Midcontinent Production LLC (100%)
2015 8 584 1 PostRock Midcontinent Production LLC (100%)
2015 9 542 1 PostRock Midcontinent Production LLC (100%)
2015 10 520 1 PostRock Midcontinent Production LLC (100%)
2015 11 481 1 PostRock Midcontinent Production LLC (100%)
2015 12 466 1 PostRock Midcontinent Production LLC (100%)
2016 1 470 1 PostRock Midcontinent Production LLC (100%)
2016 2 437 1 PostRock Midcontinent Production LLC (100%)
2016 3 461 1 PostRock Midcontinent Production LLC (100%)
2016 4 433 1 PostRock Midcontinent Production LLC (100%)
2016 5 430 1 PostRock Midcontinent Production LLC (100%)
2016 6 508 1 RIVER ROCK ENERGY LLC (100%)
2016 7 483 1 RIVER ROCK ENERGY LLC (100%)
2016 8 480 1 RIVER ROCK ENERGY LLC (100%)
2016 9 467 1 RIVER ROCK ENERGY LLC (100%)
2016 10 469 1 RIVER ROCK ENERGY LLC (100%)
2016 11 447 1 RIVER ROCK ENERGY LLC (100%)
2016 12 443 1 RIVER ROCK ENERGY LLC (100%)
2017 1 460 1 RIVER ROCK ENERGY LLC (100%)
2017 2 419 1 RIVER ROCK ENERGY LLC (100%)
2017 3 466 1 RIVER ROCK ENERGY LLC (100%)
2017 4 439 1 RIVER ROCK ENERGY LLC (100%)
2017 5 428 1 RIVER ROCK ENERGY LLC (100%)
2017 6 337 1 RIVER ROCK ENERGY LLC (100%)
2017 7 355 1 RIVER ROCK ENERGY LLC (100%)
2017 8 310 1 RIVER ROCK ENERGY LLC (100%)
2017 9 392 1 RIVER ROCK ENERGY LLC (100%)
2017 10 377 1 RIVER ROCK ENERGY LLC (100%)
2017 11 367 1 RIVER ROCK ENERGY LLC (100%)
2017 12 359 1 RIVER ROCK ENERGY LLC (100%)
2018 1 374 1 RIVER ROCK ENERGY LLC (100%)
2018 2 341 1 RIVER ROCK ENERGY LLC (100%)
2018 3 375 1 RIVER ROCK ENERGY LLC (100%)
2018 4 320 1 RIVER ROCK ENERGY LLC (100%)
2018 5 204 1 RIVER ROCK ENERGY LLC (100%)
2018 6 356 1 RIVER ROCK ENERGY LLC (100%)
2018 7 360 1 RIVER ROCK ENERGY LLC (100%)
2018 8 341 1 RIVER ROCK ENERGY LLC (100%)
2018 9 309 1 RIVER ROCK ENERGY LLC (100%)
2018 10 306 1 RIVER ROCK ENERGY LLC (100%)
2018 11 283 1 RIVER ROCK ENERGY LLC (100%)
2018 12 293 1 RIVER ROCK ENERGY LLC (100%)
2019 1 287 1 RIVER ROCK ENERGY LLC (100%)
2019 2 203 1 RIVER ROCK ENERGY LLC (100%)
2019 3 273 1 RIVER ROCK ENERGY LLC (100%)
2019 4 284 1 RIVER ROCK ENERGY LLC (100%)
2019 5 256 1 RIVER ROCK ENERGY LLC (100%)
2019 6 177 1 RIVER ROCK ENERGY LLC (100%)
2019 7 165 1 RIVER ROCK ENERGY LLC (100%)
2019 8 164 1 RIVER ROCK ENERGY LLC (100%)
2019 9 155 1 RIVER ROCK ENERGY LLC (100%)
2019 10 158 1 RIVER ROCK ENERGY LLC (100%)
2019 11 152 1 RIVER ROCK ENERGY LLC (100%)
2019 12 152 1 RIVER ROCK ENERGY LLC (100%)
2020 1 150 1 RIVER ROCK ENERGY LLC (100%)
2020 2 138 1 RIVER ROCK ENERGY LLC (100%)
2020 3 165 1 RIVER ROCK ENERGY LLC (100%)
2020 4 201 1 RIVER ROCK ENERGY LLC (100%)
2020 5 228 1 RIVER ROCK ENERGY LLC (100%)
2020 6 166 1 RIVER ROCK ENERGY LLC (100%)
2020 7 151 1 RIVER ROCK ENERGY LLC (100%)
2020 8 149 1 RIVER ROCK ENERGY LLC (100%)
2020 9 143 1 RIVER ROCK ENERGY LLC (100%)
2020 10 145 1 RIVER ROCK ENERGY LLC (100%)
2020 11 136 1 RIVER ROCK ENERGY LLC (100%)
2020 12 136 1 RIVER ROCK ENERGY LLC (100%)
2021 1 138 1 RIVER ROCK ENERGY LLC (100%)
2021 2 127 1 RIVER ROCK ENERGY LLC (100%)
2021 3 145 1 RIVER ROCK ENERGY LLC (100%)
2021 4 140 1 RIVER ROCK ENERGY LLC (100%)
2021 5 143 1 RIVER ROCK ENERGY LLC (100%)
2021 6 135 1 RIVER ROCK ENERGY LLC (100%)
2021 7 138 1 RIVER ROCK ENERGY LLC (100%)
2021 8 136 1 RIVER ROCK ENERGY LLC (100%)
2021 9 130 1 RIVER ROCK ENERGY LLC (100%)
2021 10 132 1 RIVER ROCK ENERGY LLC (100%)
2021 11 125 1 RIVER ROCK ENERGY LLC (100%)
2021 12 128 1 RIVER ROCK ENERGY LLC (100%)
2022 1 125 1 RIVER ROCK ENERGY LLC (100%)
2022 2 112 1 RIVER ROCK ENERGY LLC (100%)
2022 3 123 1 RIVER ROCK ENERGY LLC (100%)
2022 4 118 1 RIVER ROCK ENERGY LLC (100%)
2022 5 123 1 RIVER ROCK ENERGY LLC (100%)
2022 6 118 1 RIVER ROCK ENERGY LLC (100%)
2022 7 122 1 RIVER ROCK ENERGY LLC (100%)
2022 8 123 1 RIVER ROCK ENERGY LLC (100%)
2022 9 117 1 RIVER ROCK ENERGY LLC (100%)
2022 10 120 1 RIVER ROCK ENERGY LLC (100%)
2022 11 110 1 RIVER ROCK ENERGY LLC (100%)
2022 12 107 1 RIVER ROCK ENERGY LLC (100%)
2023 1 99 1 RIVER ROCK ENERGY LLC (100%)
2023 2 90 1 RIVER ROCK ENERGY LLC (100%)
2023 3 101 1 RIVER ROCK ENERGY LLC (100%)
2023 4 98 1 RIVER ROCK ENERGY LLC (100%)
2023 5 102 1 RIVER ROCK ENERGY LLC (100%)
2023 6 100 1 RIVER ROCK ENERGY LLC (100%)
2023 7 101 1 RIVER ROCK ENERGY LLC (100%)
2023 8 100 1 RIVER ROCK ENERGY LLC (100%)
2023 9 95 1 RIVER ROCK ENERGY LLC (100%)
2023 10 98 1 RIVER ROCK ENERGY LLC (100%)
2023 11 95 1 RIVER ROCK ENERGY LLC (100%)
2023 12 98 1 RIVER ROCK ENERGY LLC (100%)
2024 1 97 1 RIVER ROCK ENERGY LLC (100%)
2024 2 91 1 RIVER ROCK ENERGY LLC (100%)
2024 3 98 1 RIVER ROCK ENERGY LLC (100%)
2024 4 93 1 RIVER ROCK ENERGY LLC (100%)
2024 5 99 1 RIVER ROCK ENERGY LLC (100%)
2024 6 97 1 RIVER ROCK ENERGY LLC (100%)
2024 7 100 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.