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Yearly and monthly production

O'Brien, Robert R. 35-1 Lease
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Lease: O'Brien, Robert R. 35-1
Operator: River Rock Operating, LLC
Location: T34S, R18E, Sec. 35
Cumulative Production: 92845 mcf (from 2010 to 2024)
KS Dept. of Revenue Lease Code: 232200
KS Dept. of Revenue Lease Name: O'BRIEN,R. 35-1
View T1 PDF (from KCC)
View T1 PDF (from KCC)
Field: Cherokee Basin Coal Area
County: Labette
Producing Zone:
Well Data (may be an incomplete list):
T34S R18E, Sec. 35, S2 NE SE
Lease: O'Brien, Robert R. 35-1
Operator: Quest Cherokee, LLC
Current Operator: River Rock Operating, LLC
API Number: 15-099-24384

Data are received monthly from the Kansas Department of Revenue.



Annual Gas Production, (mcf)

Year Production Wells
Production Plots

2010 5,227 1
2011 11,593 1
2012 9,317 1
2013 8,247 1
2014 7,842 1
2015 7,652 1
2016 8,619 1
2017 6,083 1
2018 4,572 1
2019 5,170 1
2020 5,797 1
2021 3,014 1
2022 2,847 1
2023 4,073 1
2024 2,792 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 1 408 1 PostRock Midcontinent Production LLC (100%)
2014 2 453 1 PostRock Midcontinent Production LLC (100%)
2014 3 651 1 PostRock Midcontinent Production LLC (100%)
2014 4 651 1 PostRock Midcontinent Production LLC (100%)
2014 5 672 1 PostRock Midcontinent Production LLC (100%)
2014 6 668 1 PostRock Midcontinent Production LLC (100%)
2014 7 702 1 PostRock Midcontinent Production LLC (100%)
2014 8 650 1 PostRock Midcontinent Production LLC (100%)
2014 9 744 1 PostRock Midcontinent Production LLC (100%)
2014 10 776 1 PostRock Midcontinent Production LLC (100%)
2014 11 729 1 PostRock Midcontinent Production LLC (100%)
2014 12 738 1 PostRock Midcontinent Production LLC (100%)
2015 1 870 1 PostRock Midcontinent Production LLC (100%)
2015 2 772 1 PostRock Midcontinent Production LLC (100%)
2015 3 743 1 PostRock Midcontinent Production LLC (100%)
2015 4 657 1 PostRock Midcontinent Production LLC (100%)
2015 5 599 1 PostRock Midcontinent Production LLC (100%)
2015 6 547 1 PostRock Midcontinent Production LLC (100%)
2015 7 606 1 PostRock Midcontinent Production LLC (100%)
2015 8 654 1 PostRock Midcontinent Production LLC (100%)
2015 9 241 1 PostRock Midcontinent Production LLC (100%)
2015 10 664 1 PostRock Midcontinent Production LLC (100%)
2015 11 649 1 PostRock Midcontinent Production LLC (100%)
2015 12 650 1 PostRock Midcontinent Production LLC (100%)
2016 1 585 1 PostRock Midcontinent Production LLC (100%)
2016 2 573 1 PostRock Midcontinent Production LLC (100%)
2016 3 544 1 PostRock Midcontinent Production LLC (100%)
2016 4 550 1 PostRock Midcontinent Production LLC (100%)
2016 5 573 1 PostRock Midcontinent Production LLC (100%)
2016 6 806 1 RIVER ROCK ENERGY LLC (100%)
2016 7 841 1 RIVER ROCK ENERGY LLC (100%)
2016 8 906 1 RIVER ROCK ENERGY LLC (100%)
2016 9 886 1 RIVER ROCK ENERGY LLC (100%)
2016 10 863 1 RIVER ROCK ENERGY LLC (100%)
2016 11 799 1 RIVER ROCK ENERGY LLC (100%)
2016 12 693 1 RIVER ROCK ENERGY LLC (100%)
2017 1 597 1 RIVER ROCK ENERGY LLC (100%)
2017 2 511 1 RIVER ROCK ENERGY LLC (100%)
2017 3 552 1 RIVER ROCK ENERGY LLC (100%)
2017 4 532 1 RIVER ROCK ENERGY LLC (100%)
2017 5 524 1 RIVER ROCK ENERGY LLC (100%)
2017 6 481 1 RIVER ROCK ENERGY LLC (100%)
2017 7 483 1 RIVER ROCK ENERGY LLC (100%)
2017 8 480 1 RIVER ROCK ENERGY LLC (100%)
2017 9 458 1 RIVER ROCK ENERGY LLC (100%)
2017 10 501 1 RIVER ROCK ENERGY LLC (100%)
2017 11 483 1 RIVER ROCK ENERGY LLC (100%)
2017 12 481 1 RIVER ROCK ENERGY LLC (100%)
2018 1 469 1 RIVER ROCK ENERGY LLC (100%)
2018 2 453 1 RIVER ROCK ENERGY LLC (100%)
2018 3 501 1 RIVER ROCK ENERGY LLC (100%)
2018 4 487 1 RIVER ROCK ENERGY LLC (100%)
2018 5 509 1 RIVER ROCK ENERGY LLC (100%)
2018 6 469 1 RIVER ROCK ENERGY LLC (100%)
2018 7 487 1 RIVER ROCK ENERGY LLC (100%)
2018 8 492 1 RIVER ROCK ENERGY LLC (100%)
2018 9 372 1 RIVER ROCK ENERGY LLC (100%)
2018 10 154 1 RIVER ROCK ENERGY LLC (100%)
2018 11 88 1 RIVER ROCK ENERGY LLC (100%)
2018 12 91 1 RIVER ROCK ENERGY LLC (100%)
2019 1 250 1 RIVER ROCK ENERGY LLC (100%)
2019 2 371 1 RIVER ROCK ENERGY LLC (100%)
2019 3 444 1 RIVER ROCK ENERGY LLC (100%)
2019 4 418 1 RIVER ROCK ENERGY LLC (100%)
2019 5 425 1 RIVER ROCK ENERGY LLC (100%)
2019 6 416 1 RIVER ROCK ENERGY LLC (100%)
2019 7 409 1 RIVER ROCK ENERGY LLC (100%)
2019 8 486 1 RIVER ROCK ENERGY LLC (100%)
2019 9 463 1 RIVER ROCK ENERGY LLC (100%)
2019 10 474 1 RIVER ROCK ENERGY LLC (100%)
2019 11 496 1 RIVER ROCK ENERGY LLC (100%)
2019 12 518 1 RIVER ROCK ENERGY LLC (100%)
2020 1 509 1 RIVER ROCK ENERGY LLC (100%)
2020 2 477 1 RIVER ROCK ENERGY LLC (100%)
2020 3 512 1 RIVER ROCK ENERGY LLC (100%)
2020 4 492 1 RIVER ROCK ENERGY LLC (100%)
2020 5 494 1 RIVER ROCK ENERGY LLC (100%)
2020 6 447 1 RIVER ROCK ENERGY LLC (100%)
2020 7 454 1 RIVER ROCK ENERGY LLC (100%)
2020 8 460 1 RIVER ROCK ENERGY LLC (100%)
2020 9 470 1 RIVER ROCK ENERGY LLC (100%)
2020 10 499 1 RIVER ROCK ENERGY LLC (100%)
2020 11 492 1 RIVER ROCK ENERGY LLC (100%)
2020 12 491 1 RIVER ROCK ENERGY LLC (100%)
2021 1 521 1 RIVER ROCK ENERGY LLC (100%)
2021 2 427 1 RIVER ROCK ENERGY LLC (100%)
2021 3 538 1 RIVER ROCK ENERGY LLC (100%)
2021 4 492 1 RIVER ROCK ENERGY LLC (100%)
2021 5 370 1 RIVER ROCK ENERGY LLC (100%)
2021 6 111 1 RIVER ROCK ENERGY LLC (100%)
2021 7 88 1 RIVER ROCK ENERGY LLC (100%)
2021 8 92 1 RIVER ROCK ENERGY LLC (100%)
2021 9 86 1 RIVER ROCK ENERGY LLC (100%)
2021 10 94 1 RIVER ROCK ENERGY LLC (100%)
2021 11 96 1 RIVER ROCK ENERGY LLC (100%)
2021 12 99 1 RIVER ROCK ENERGY LLC (100%)
2022 1 107 1 RIVER ROCK ENERGY LLC (100%)
2022 2 96 1 RIVER ROCK ENERGY LLC (100%)
2022 3 94 1 RIVER ROCK ENERGY LLC (100%)
2022 4 91 1 RIVER ROCK ENERGY LLC (100%)
2022 5 85 1 RIVER ROCK ENERGY LLC (100%)
2022 6 93 1 RIVER ROCK ENERGY LLC (100%)
2022 7 94 1 RIVER ROCK ENERGY LLC (100%)
2022 8 215 1 RIVER ROCK ENERGY LLC (100%)
2022 9 472 1 RIVER ROCK ENERGY LLC (100%)
2022 10 506 1 RIVER ROCK ENERGY LLC (100%)
2022 11 497 1 RIVER ROCK ENERGY LLC (100%)
2022 12 497 1 RIVER ROCK ENERGY LLC (100%)
2023 1 508 1 RIVER ROCK ENERGY LLC (100%)
2023 2 395 1 RIVER ROCK ENERGY LLC (100%)
2023 3 476 1 RIVER ROCK ENERGY LLC (100%)
2023 4 461 1 RIVER ROCK ENERGY LLC (100%)
2023 5 362 1 RIVER ROCK ENERGY LLC (100%)
2023 6 177 1 RIVER ROCK ENERGY LLC (100%)
2023 7 90 1 RIVER ROCK ENERGY LLC (100%)
2023 8 82 1 RIVER ROCK ENERGY LLC (100%)
2023 9 107 1 RIVER ROCK ENERGY LLC (100%)
2023 10 463 1 RIVER ROCK ENERGY LLC (100%)
2023 11 460 1 RIVER ROCK ENERGY LLC (100%)
2023 12 492 1 RIVER ROCK ENERGY LLC (100%)
2024 1 418 1 RIVER ROCK ENERGY LLC (100%)
2024 2 439 1 RIVER ROCK ENERGY LLC (100%)
2024 3 482 1 RIVER ROCK ENERGY LLC (100%)
2024 4 456 1 RIVER ROCK ENERGY LLC (100%)
2024 5 478 1 RIVER ROCK ENERGY LLC (100%)
2024 6 355 1 RIVER ROCK ENERGY LLC (100%)
2024 7 164 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.