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Yearly and monthly production

Mahan Trust 1-36 Lease
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Lease: Mahan Trust 1-36
Operator: River Rock Operating, LLC
Location: T32S, R18E, Sec. 36
Cumulative Production: 121423 mcf (from 2007 to 2021)
KS Dept. of Revenue Lease Code: 228634
KS Dept. of Revenue Lease Name: MAHAN TR 1-36
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):
T32S R18E, Sec. 36, SW SW NE SW
Lease: Mahan Trust 1-36
Operator: Quest Cherokee, LLC
Current Operator: River Rock Operating, LLC
API Number: 15-099-23516

Data are received monthly from the Kansas Department of Revenue.



Annual Gas Production, (mcf)

Year Production Wells
Production Plots

2007 12,530 1
2008 16,492 1
2009 13,496 1
2010 11,868 1
2011 10,565 1
2012 9,523 1
2013 8,156 1
2014 6,785 1
2015 5,827 1
2016 5,594 1
2017 5,124 1
2018 4,966 1
2019 4,843 1
2020 4,728 1
2021 926 1
Reported through 12-2021.
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 1 638 1 PostRock Midcontinent Production LLC (100%)
2014 2 562 1 PostRock Midcontinent Production LLC (100%)
2014 3 608 1 PostRock Midcontinent Production LLC (100%)
2014 4 583 1 PostRock Midcontinent Production LLC (100%)
2014 5 569 1 PostRock Midcontinent Production LLC (100%)
2014 6 580 1 PostRock Midcontinent Production LLC (100%)
2014 7 630 1 PostRock Midcontinent Production LLC (100%)
2014 8 625 1 PostRock Midcontinent Production LLC (100%)
2014 9 498 1 PostRock Midcontinent Production LLC (100%)
2014 10 450 1 PostRock Midcontinent Production LLC (100%)
2014 11 501 1 PostRock Midcontinent Production LLC (100%)
2014 12 541 1 PostRock Midcontinent Production LLC (100%)
2015 1 648 1 PostRock Midcontinent Production LLC (100%)
2015 2 550 1 PostRock Midcontinent Production LLC (100%)
2015 3 514 1 PostRock Midcontinent Production LLC (100%)
2015 4 473 1 PostRock Midcontinent Production LLC (100%)
2015 5 459 1 PostRock Midcontinent Production LLC (100%)
2015 6 448 1 PostRock Midcontinent Production LLC (100%)
2015 7 460 1 PostRock Midcontinent Production LLC (100%)
2015 8 485 1 PostRock Midcontinent Production LLC (100%)
2015 9 445 1 PostRock Midcontinent Production LLC (100%)
2015 10 432 1 PostRock Midcontinent Production LLC (100%)
2015 11 442 1 PostRock Midcontinent Production LLC (100%)
2015 12 471 1 PostRock Midcontinent Production LLC (100%)
2016 1 460 1 PostRock Midcontinent Production LLC (100%)
2016 2 431 1 PostRock Midcontinent Production LLC (100%)
2016 3 443 1 PostRock Midcontinent Production LLC (100%)
2016 4 440 1 PostRock Midcontinent Production LLC (100%)
2016 5 441 1 PostRock Midcontinent Production LLC (100%)
2016 6 501 1 RIVER ROCK ENERGY LLC (100%)
2016 7 491 1 RIVER ROCK ENERGY LLC (100%)
2016 8 475 1 RIVER ROCK ENERGY LLC (100%)
2016 9 421 1 RIVER ROCK ENERGY LLC (100%)
2016 10 423 1 RIVER ROCK ENERGY LLC (100%)
2016 11 572 1 RIVER ROCK ENERGY LLC (100%)
2016 12 496 1 RIVER ROCK ENERGY LLC (100%)
2017 1 489 1 RIVER ROCK ENERGY LLC (100%)
2017 2 442 1 RIVER ROCK ENERGY LLC (100%)
2017 3 475 1 RIVER ROCK ENERGY LLC (100%)
2017 4 453 1 RIVER ROCK ENERGY LLC (100%)
2017 5 450 1 RIVER ROCK ENERGY LLC (100%)
2017 6 402 1 RIVER ROCK ENERGY LLC (100%)
2017 7 387 1 RIVER ROCK ENERGY LLC (100%)
2017 8 376 1 RIVER ROCK ENERGY LLC (100%)
2017 9 346 1 RIVER ROCK ENERGY LLC (100%)
2017 10 348 1 RIVER ROCK ENERGY LLC (100%)
2017 11 569 1 RIVER ROCK ENERGY LLC (100%)
2017 12 387 1 RIVER ROCK ENERGY LLC (100%)
2018 1 350 1 RIVER ROCK ENERGY LLC (100%)
2018 2 388 1 RIVER ROCK ENERGY LLC (100%)
2018 3 428 1 RIVER ROCK ENERGY LLC (100%)
2018 4 388 1 RIVER ROCK ENERGY LLC (100%)
2018 5 397 1 RIVER ROCK ENERGY LLC (100%)
2018 6 363 1 RIVER ROCK ENERGY LLC (100%)
2018 7 388 1 RIVER ROCK ENERGY LLC (100%)
2018 8 396 1 RIVER ROCK ENERGY LLC (100%)
2018 9 392 1 RIVER ROCK ENERGY LLC (100%)
2018 10 513 1 RIVER ROCK ENERGY LLC (100%)
2018 11 502 1 RIVER ROCK ENERGY LLC (100%)
2018 12 461 1 RIVER ROCK ENERGY LLC (100%)
2019 1 472 1 RIVER ROCK ENERGY LLC (100%)
2019 2 415 1 RIVER ROCK ENERGY LLC (100%)
2019 3 457 1 RIVER ROCK ENERGY LLC (100%)
2019 4 430 1 RIVER ROCK ENERGY LLC (100%)
2019 5 416 1 RIVER ROCK ENERGY LLC (100%)
2019 6 379 1 RIVER ROCK ENERGY LLC (100%)
2019 7 375 1 RIVER ROCK ENERGY LLC (100%)
2019 8 377 1 RIVER ROCK ENERGY LLC (100%)
2019 9 359 1 RIVER ROCK ENERGY LLC (100%)
2019 10 370 1 RIVER ROCK ENERGY LLC (100%)
2019 11 377 1 RIVER ROCK ENERGY LLC (100%)
2019 12 416 1 RIVER ROCK ENERGY LLC (100%)
2020 1 416 1 RIVER ROCK ENERGY LLC (100%)
2020 2 307 1 RIVER ROCK ENERGY LLC (100%)
2020 3 402 1 RIVER ROCK ENERGY LLC (100%)
2020 4 375 1 RIVER ROCK ENERGY LLC (100%)
2020 5 379 1 RIVER ROCK ENERGY LLC (100%)
2020 6 417 1 RIVER ROCK ENERGY LLC (100%)
2020 7 455 1 RIVER ROCK ENERGY LLC (100%)
2020 8 442 1 RIVER ROCK ENERGY LLC (100%)
2020 9 384 1 RIVER ROCK ENERGY LLC (100%)
2020 10 362 1 RIVER ROCK ENERGY LLC (100%)
2020 11 416 1 RIVER ROCK ENERGY LLC (100%)
2020 12 373 1 RIVER ROCK ENERGY LLC (100%)
2021 1 350 1 RIVER ROCK ENERGY LLC (100%)
2021 2 214 1 RIVER ROCK ENERGY LLC (100%)
2021 3 124 1 RIVER ROCK ENERGY LLC (100%)
2021 4 48 1 RIVER ROCK ENERGY LLC (100%)
2021 5 4 1 RIVER ROCK ENERGY LLC (100%)
2021 6 47 1 RIVER ROCK ENERGY LLC (100%)
2021 7 5 1 RIVER ROCK ENERGY LLC (100%)
2021 9 4 1 RIVER ROCK ENERGY LLC (100%)
2021 10 20 1 RIVER ROCK ENERGY LLC (100%)
2021 11 51 1 RIVER ROCK ENERGY LLC (100%)
2021 12 59 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.