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Yearly and monthly production

MARKHAM,C. 18-3 Lease 		Save To File
Lease: MARKHAM,C. 18-3
Operator: River Rock Operating, LLC
Location: T28S, R16E, Sec. 18
Cumulative Production: 145837 mcf (from 2008 to 2024)
KS Dept. of Revenue Lease Code: 228902
KS Dept. of Revenue Lease Name: MARKHAM,C. 18-3
View T1 PDF (from KCC)
View T1 PDF (from KCC)
Field: Cherokee Basin Coal Area
County: Wilson
Producing Zone:
Well Data (may be an incomplete list):
T28S R16E, Sec. 18, NE SW NE SW
Lease: CHESTER L. MARKHAM 3-18
Operator: Quest Cherokee, LLC
Current Operator: River Rock Operating, LLC
API Number: 15-205-26793

Data are received monthly from the Kansas Department of Revenue.


Annual Gas Production, (mcf)

Year Production Wells
Production Plots

2008 6,453 1
2009 22,748 1
2010 23,912 1
2011 17,388 1
2012 12,407 1
2013 6,021 1
2014 8,061 1
2015 10,492 1
2016 9,374 1
2017 9,469 1
2018 6,696 1
2019 5,199 1
2020 4,199 1
2021 2,370 1
2022 539 1
2023 455 1
2024 54 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 1 195 1 PostRock Midcontinent Production LLC (100%)
2014 2 195 1 PostRock Midcontinent Production LLC (100%)
2014 3 292 1 PostRock Midcontinent Production LLC (100%)
2014 4 306 1 PostRock Midcontinent Production LLC (100%)
2014 5 896 1 PostRock Midcontinent Production LLC (100%)
2014 6 933 1 PostRock Midcontinent Production LLC (100%)
2014 7 919 1 PostRock Midcontinent Production LLC (100%)
2014 8 905 1 PostRock Midcontinent Production LLC (100%)
2014 9 835 1 PostRock Midcontinent Production LLC (100%)
2014 10 893 1 PostRock Midcontinent Production LLC (100%)
2014 11 829 1 PostRock Midcontinent Production LLC (100%)
2014 12 863 1 PostRock Midcontinent Production LLC (100%)
2015 1 947 1 PostRock Midcontinent Production LLC (100%)
2015 2 883 1 PostRock Midcontinent Production LLC (100%)
2015 3 908 1 PostRock Midcontinent Production LLC (100%)
2015 4 872 1 PostRock Midcontinent Production LLC (100%)
2015 5 977 1 PostRock Midcontinent Production LLC (100%)
2015 6 842 1 PostRock Midcontinent Production LLC (100%)
2015 7 887 1 PostRock Midcontinent Production LLC (100%)
2015 8 862 1 PostRock Midcontinent Production LLC (100%)
2015 9 837 1 PostRock Midcontinent Production LLC (100%)
2015 10 863 1 PostRock Midcontinent Production LLC (100%)
2015 11 825 1 PostRock Midcontinent Production LLC (100%)
2015 12 789 1 PostRock Midcontinent Production LLC (100%)
2016 1 764 1 PostRock Midcontinent Production LLC (100%)
2016 2 693 1 PostRock Midcontinent Production LLC (100%)
2016 3 751 1 PostRock Midcontinent Production LLC (100%)
2016 4 731 1 PostRock Midcontinent Production LLC (100%)
2016 5 746 1 PostRock Midcontinent Production LLC (100%)
2016 6 816 1 RIVER ROCK ENERGY LLC (100%)
2016 7 846 1 RIVER ROCK ENERGY LLC (100%)
2016 8 942 1 RIVER ROCK ENERGY LLC (100%)
2016 9 820 1 RIVER ROCK ENERGY LLC (100%)
2016 10 784 1 RIVER ROCK ENERGY LLC (100%)
2016 11 717 1 RIVER ROCK ENERGY LLC (100%)
2016 12 764 1 RIVER ROCK ENERGY LLC (100%)
2017 1 902 1 RIVER ROCK ENERGY LLC (100%)
2017 2 784 1 RIVER ROCK ENERGY LLC (100%)
2017 3 787 1 RIVER ROCK ENERGY LLC (100%)
2017 4 778 1 RIVER ROCK ENERGY LLC (100%)
2017 5 802 1 RIVER ROCK ENERGY LLC (100%)
2017 6 758 1 RIVER ROCK ENERGY LLC (100%)
2017 7 790 1 RIVER ROCK ENERGY LLC (100%)
2017 8 788 1 RIVER ROCK ENERGY LLC (100%)
2017 9 807 1 RIVER ROCK ENERGY LLC (100%)
2017 10 775 1 RIVER ROCK ENERGY LLC (100%)
2017 11 731 1 RIVER ROCK ENERGY LLC (100%)
2017 12 767 1 RIVER ROCK ENERGY LLC (100%)
2018 1 713 1 RIVER ROCK ENERGY LLC (100%)
2018 2 670 1 RIVER ROCK ENERGY LLC (100%)
2018 3 704 1 RIVER ROCK ENERGY LLC (100%)
2018 4 564 1 RIVER ROCK ENERGY LLC (100%)
2018 5 531 1 RIVER ROCK ENERGY LLC (100%)
2018 6 519 1 RIVER ROCK ENERGY LLC (100%)
2018 7 523 1 RIVER ROCK ENERGY LLC (100%)
2018 8 498 1 RIVER ROCK ENERGY LLC (100%)
2018 9 485 1 RIVER ROCK ENERGY LLC (100%)
2018 10 495 1 RIVER ROCK ENERGY LLC (100%)
2018 11 486 1 RIVER ROCK ENERGY LLC (100%)
2018 12 508 1 RIVER ROCK ENERGY LLC (100%)
2019 1 537 1 RIVER ROCK ENERGY LLC (100%)
2019 2 413 1 RIVER ROCK ENERGY LLC (100%)
2019 3 488 1 RIVER ROCK ENERGY LLC (100%)
2019 4 448 1 RIVER ROCK ENERGY LLC (100%)
2019 5 427 1 RIVER ROCK ENERGY LLC (100%)
2019 6 390 1 RIVER ROCK ENERGY LLC (100%)
2019 7 382 1 RIVER ROCK ENERGY LLC (100%)
2019 8 418 1 RIVER ROCK ENERGY LLC (100%)
2019 9 409 1 RIVER ROCK ENERGY LLC (100%)
2019 10 424 1 RIVER ROCK ENERGY LLC (100%)
2019 11 426 1 RIVER ROCK ENERGY LLC (100%)
2019 12 437 1 RIVER ROCK ENERGY LLC (100%)
2020 1 402 1 RIVER ROCK ENERGY LLC (100%)
2020 2 359 1 RIVER ROCK ENERGY LLC (100%)
2020 3 391 1 RIVER ROCK ENERGY LLC (100%)
2020 4 369 1 RIVER ROCK ENERGY LLC (100%)
2020 5 373 1 RIVER ROCK ENERGY LLC (100%)
2020 6 344 1 RIVER ROCK ENERGY LLC (100%)
2020 7 329 1 RIVER ROCK ENERGY LLC (100%)
2020 8 330 1 RIVER ROCK ENERGY LLC (100%)
2020 9 332 1 RIVER ROCK ENERGY LLC (100%)
2020 10 346 1 RIVER ROCK ENERGY LLC (100%)
2020 11 311 1 RIVER ROCK ENERGY LLC (100%)
2020 12 313 1 RIVER ROCK ENERGY LLC (100%)
2021 1 312 1 RIVER ROCK ENERGY LLC (100%)
2021 2 293 1 RIVER ROCK ENERGY LLC (100%)
2021 3 319 1 RIVER ROCK ENERGY LLC (100%)
2021 4 306 1 RIVER ROCK ENERGY LLC (100%)
2021 5 301 1 RIVER ROCK ENERGY LLC (100%)
2021 6 276 1 RIVER ROCK ENERGY LLC (100%)
2021 7 273 1 RIVER ROCK ENERGY LLC (100%)
2021 8 105 1 RIVER ROCK ENERGY LLC (100%)
2021 9 43 1 RIVER ROCK ENERGY LLC (100%)
2021 10 48 1 RIVER ROCK ENERGY LLC (100%)
2021 11 46 1 RIVER ROCK ENERGY LLC (100%)
2021 12 48 1 RIVER ROCK ENERGY LLC (100%)
2022 1 48 1 RIVER ROCK ENERGY LLC (100%)
2022 2 43 1 RIVER ROCK ENERGY LLC (100%)
2022 3 47 1 RIVER ROCK ENERGY LLC (100%)
2022 4 46 1 RIVER ROCK ENERGY LLC (100%)
2022 5 48 1 RIVER ROCK ENERGY LLC (100%)
2022 6 47 1 RIVER ROCK ENERGY LLC (100%)
2022 7 49 1 RIVER ROCK ENERGY LLC (100%)
2022 8 49 1 RIVER ROCK ENERGY LLC (100%)
2022 9 46 1 RIVER ROCK ENERGY LLC (100%)
2022 10 52 1 RIVER ROCK ENERGY LLC (100%)
2022 11 31 1 RIVER ROCK ENERGY LLC (100%)
2022 12 33 1 RIVER ROCK ENERGY LLC (100%)
2023 1 38 1 RIVER ROCK ENERGY LLC (100%)
2023 2 35 1 RIVER ROCK ENERGY LLC (100%)
2023 3 38 1 RIVER ROCK ENERGY LLC (100%)
2023 4 37 1 RIVER ROCK ENERGY LLC (100%)
2023 5 39 1 RIVER ROCK ENERGY LLC (100%)
2023 6 38 1 RIVER ROCK ENERGY LLC (100%)
2023 7 39 1 RIVER ROCK ENERGY LLC (100%)
2023 8 39 1 RIVER ROCK ENERGY LLC (100%)
2023 9 37 1 RIVER ROCK ENERGY LLC (100%)
2023 10 39 1 RIVER ROCK ENERGY LLC (100%)
2023 11 37 1 RIVER ROCK ENERGY LLC (100%)
2023 12 39 1 RIVER ROCK ENERGY LLC (100%)
2024 1 39 1 RIVER ROCK ENERGY LLC (100%)
2024 2 15 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.