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Yearly and monthly production

Schwatken, Wilbur A. 12-1 Lease
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Lease: Schwatken, Wilbur A. 12-1
Operator: River Rock Operating, LLC
Location: T31S, R14E, Sec. 12
Cumulative Production: 96543 mcf (from 2012 to 2024)
KS Dept. of Revenue Lease Code: 232989
KS Dept. of Revenue Lease Name: SCHWATKN,W.12-1
View T1 PDF (from KCC)
Field: Cherokee Basin Coal Area
County: Montgomery
Producing Zone:
Well Data (may be an incomplete list):
T31S R14E, Sec. 12, NE SW NE SW
Lease: Schwatken, Wilbur A. 12-1
Operator: PostRock Midcontinent Production LLC
Current Operator: River Rock Operating, LLC
API Number: 15-125-32127

Data are received monthly from the Kansas Department of Revenue.



Annual Gas Production, (mcf)

Year Production Wells
Production Plots

2012 9,527 1
2013 15,731 1
2014 14,140 1
2015 13,271 1
2016 10,999 1
2017 1,461 1
2018 5,821 1
2019 9,251 1
2020 7,788 1
2021 2,732 1
2022 2,370 1
2023 2,302 1
2024 1,150 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 1662 1 PostRock Midcontinent Production LLC (100%)
2014 2 1032 1 PostRock Midcontinent Production LLC (100%)
2014 3 1174 1 PostRock Midcontinent Production LLC (100%)
2014 4 1066 1 PostRock Midcontinent Production LLC (100%)
2014 5 1125 1 PostRock Midcontinent Production LLC (100%)
2014 6 1126 1 PostRock Midcontinent Production LLC (100%)
2014 7 1219 1 PostRock Midcontinent Production LLC (100%)
2014 8 1223 1 PostRock Midcontinent Production LLC (100%)
2014 9 930 1 PostRock Midcontinent Production LLC (100%)
2014 10 925 1 PostRock Midcontinent Production LLC (100%)
2014 11 920 1 PostRock Midcontinent Production LLC (100%)
2014 12 1738 1 PostRock Midcontinent Production LLC (100%)
2015 1 1032 1 PostRock Midcontinent Production LLC (100%)
2015 2 1306 1 PostRock Midcontinent Production LLC (100%)
2015 3 1148 1 PostRock Midcontinent Production LLC (100%)
2015 4 1090 1 PostRock Midcontinent Production LLC (100%)
2015 5 1137 1 PostRock Midcontinent Production LLC (100%)
2015 6 1091 1 PostRock Midcontinent Production LLC (100%)
2015 7 1105 1 PostRock Midcontinent Production LLC (100%)
2015 8 1125 1 PostRock Midcontinent Production LLC (100%)
2015 9 1068 1 PostRock Midcontinent Production LLC (100%)
2015 10 1105 1 PostRock Midcontinent Production LLC (100%)
2015 11 1012 1 PostRock Midcontinent Production LLC (100%)
2015 12 1052 1 PostRock Midcontinent Production LLC (100%)
2016 1 1149 1 PostRock Midcontinent Production LLC (100%)
2016 2 956 1 PostRock Midcontinent Production LLC (100%)
2016 3 998 1 PostRock Midcontinent Production LLC (100%)
2016 4 914 1 PostRock Midcontinent Production LLC (100%)
2016 6 1008 1 RIVER ROCK ENERGY LLC (100%)
2016 7 1036 1 RIVER ROCK ENERGY LLC (100%)
2016 8 1039 1 RIVER ROCK ENERGY LLC (100%)
2016 9 1010 1 RIVER ROCK ENERGY LLC (100%)
2016 10 1046 1 RIVER ROCK ENERGY LLC (100%)
2016 11 981 1 RIVER ROCK ENERGY LLC (100%)
2016 12 862 1 RIVER ROCK ENERGY LLC (100%)
2017 1 746 1 RIVER ROCK ENERGY LLC (100%)
2017 2 614 1 RIVER ROCK ENERGY LLC (100%)
2017 3 101 1 RIVER ROCK ENERGY LLC (100%)
2018 6 845 1 RIVER ROCK ENERGY LLC (100%)
2018 7 842 1 RIVER ROCK ENERGY LLC (100%)
2018 8 816 1 RIVER ROCK ENERGY LLC (100%)
2018 9 843 1 RIVER ROCK ENERGY LLC (100%)
2018 10 843 1 RIVER ROCK ENERGY LLC (100%)
2018 11 816 1 RIVER ROCK ENERGY LLC (100%)
2018 12 816 1 RIVER ROCK ENERGY LLC (100%)
2019 1 839 1 RIVER ROCK ENERGY LLC (100%)
2019 2 839 1 RIVER ROCK ENERGY LLC (100%)
2019 3 747 1 RIVER ROCK ENERGY LLC (100%)
2019 4 758 1 RIVER ROCK ENERGY LLC (100%)
2019 5 762 1 RIVER ROCK ENERGY LLC (100%)
2019 6 782 1 RIVER ROCK ENERGY LLC (100%)
2019 7 755 1 RIVER ROCK ENERGY LLC (100%)
2019 8 720 1 RIVER ROCK ENERGY LLC (100%)
2019 9 759 1 RIVER ROCK ENERGY LLC (100%)
2019 10 759 1 RIVER ROCK ENERGY LLC (100%)
2019 11 766 1 RIVER ROCK ENERGY LLC (100%)
2019 12 765 1 RIVER ROCK ENERGY LLC (100%)
2020 1 760 1 RIVER ROCK ENERGY LLC (100%)
2020 2 705 1 RIVER ROCK ENERGY LLC (100%)
2020 3 741 1 RIVER ROCK ENERGY LLC (100%)
2020 4 711 1 RIVER ROCK ENERGY LLC (100%)
2020 5 730 1 RIVER ROCK ENERGY LLC (100%)
2020 6 730 1 RIVER ROCK ENERGY LLC (100%)
2020 7 689 1 RIVER ROCK ENERGY LLC (100%)
2020 8 697 1 RIVER ROCK ENERGY LLC (100%)
2020 9 686 1 RIVER ROCK ENERGY LLC (100%)
2020 10 705 1 RIVER ROCK ENERGY LLC (100%)
2020 11 340 1 RIVER ROCK ENERGY LLC (100%)
2020 12 294 1 RIVER ROCK ENERGY LLC (100%)
2021 1 252 1 RIVER ROCK ENERGY LLC (100%)
2021 2 237 1 RIVER ROCK ENERGY LLC (100%)
2021 3 240 1 RIVER ROCK ENERGY LLC (100%)
2021 4 229 1 RIVER ROCK ENERGY LLC (100%)
2021 5 235 1 RIVER ROCK ENERGY LLC (100%)
2021 6 224 1 RIVER ROCK ENERGY LLC (100%)
2021 7 227 1 RIVER ROCK ENERGY LLC (100%)
2021 8 221 1 RIVER ROCK ENERGY LLC (100%)
2021 9 216 1 RIVER ROCK ENERGY LLC (100%)
2021 10 222 1 RIVER ROCK ENERGY LLC (100%)
2021 11 211 1 RIVER ROCK ENERGY LLC (100%)
2021 12 218 1 RIVER ROCK ENERGY LLC (100%)
2022 1 207 1 RIVER ROCK ENERGY LLC (100%)
2022 2 184 1 RIVER ROCK ENERGY LLC (100%)
2022 3 214 1 RIVER ROCK ENERGY LLC (100%)
2022 4 205 1 RIVER ROCK ENERGY LLC (100%)
2022 5 212 1 RIVER ROCK ENERGY LLC (100%)
2022 6 202 1 RIVER ROCK ENERGY LLC (100%)
2022 7 205 1 RIVER ROCK ENERGY LLC (100%)
2022 8 201 1 RIVER ROCK ENERGY LLC (100%)
2022 9 189 1 RIVER ROCK ENERGY LLC (100%)
2022 10 188 1 RIVER ROCK ENERGY LLC (100%)
2022 11 183 1 RIVER ROCK ENERGY LLC (100%)
2022 12 180 1 RIVER ROCK ENERGY LLC (100%)
2023 1 183 1 RIVER ROCK ENERGY LLC (100%)
2023 2 167 1 RIVER ROCK ENERGY LLC (100%)
2023 3 185 1 RIVER ROCK ENERGY LLC (100%)
2023 4 364 1 RIVER ROCK ENERGY LLC (100%)
2023 5 184 1 RIVER ROCK ENERGY LLC (100%)
2023 6 179 1 RIVER ROCK ENERGY LLC (100%)
2023 7 182 1 RIVER ROCK ENERGY LLC (100%)
2023 8 179 1 RIVER ROCK ENERGY LLC (100%)
2023 9 170 1 RIVER ROCK ENERGY LLC (100%)
2023 10 173 1 RIVER ROCK ENERGY LLC (100%)
2023 11 166 1 RIVER ROCK ENERGY LLC (100%)
2023 12 170 1 RIVER ROCK ENERGY LLC (100%)
2024 1 152 1 RIVER ROCK ENERGY LLC (100%)
2024 2 158 1 RIVER ROCK ENERGY LLC (100%)
2024 3 168 1 RIVER ROCK ENERGY LLC (100%)
2024 4 163 1 RIVER ROCK ENERGY LLC (100%)
2024 5 168 1 RIVER ROCK ENERGY LLC (100%)
2024 6 162 1 RIVER ROCK ENERGY LLC (100%)
2024 7 179 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.