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Yearly and monthly production

LEFFLER-GASKILL UNIT 2 Lease 		Save To File
Lease: LEFFLER-GASKILL UNIT 2
Operator: Scout Energy Management LLC
Location: C NE SE T31S, R35W, Sec. 21
Cumulative Production: 819290 mcf (from 1996 to 2024)
KS Dept. of Revenue Lease Code: 221180
KS Dept. of Revenue Lease Name: LEFFLER-GASKIL2
View T1 PDF (from KCC)
View T1 PDF (from KCC)
View T1 PDF (from KCC)
Field: Hugoton Gas Area
County: Stevens
Producing Zone:
Well Data (may be an incomplete list):
T31S R35W, Sec. 21, NE SE
Lease: LEFFLER-GASKILL UNIT 2
Operator: MOBIL OIL CORPORATION
Current Operator: EXXONMOBIL Oil Corp
API Number: 15-189-21040 		T31S R35W, Sec. 21, NE SE
Lease: Leffler-Gaskill Unit 2
Operator: Mobil Oil Corp.
Current Operator: EXXONMOBIL Oil Corp
API Number: 15-189-21040-0001
T31S R35W, Sec. 21, NE SE
Lease: Leffler-Gaskill Unit 2
Operator: ExxonMobil Corp.
Current Operator: EXXONMOBIL Oil Corp
API Number: 15-189-21040-0002 		T31S R35W, Sec. 21, NE SE
Lease: Leffler-Gaskill Unit 2
Operator: ExxonMobil Corp.
Current Operator: Scout Energy Management LLC
API Number: 15-189-21040-0003

Data are received monthly from the Kansas Department of Revenue.


Annual Gas Production, (mcf)

Year Production Wells
Production Plots

1996 39,055 -
1997 48,825 -
1998 37,174 -
1999 47,720 -
2000 42,772 -
2001 38,403 0
2002 61,228 0
2003 47,011 0
2004 42,150 1
2005 38,744 1
2006 32,894 1
2007 25,889 1
2008 24,538 1
2009 24,703 1
2010 24,502 1
2011 19,881 1
2012 19,075 1
2013 20,972 1
2014 20,892 1
2015 22,058 1
2016 19,102 1
2017 18,338 1
2018 17,834 1
2019 16,684 1
2020 16,012 1
2021 15,262 1
2022 14,825 1
2023 14,628 1
2024 8,119 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 1897 1 Cross Timbers Operating Company (100%)
2014 2 1761 1 Cross Timbers Operating Company (100%)
2014 3 1811 1 Cross Timbers Operating Company (100%)
2014 4 1716 1 Cross Timbers Operating Company (100%)
2014 5 1749 1 Cross Timbers Operating Company (100%)
2014 6 1713 1 Cross Timbers Operating Company (100%)
2014 7 1764 1 Cross Timbers Operating Company (100%)
2014 8 1758 1 Cross Timbers Operating Company (100%)
2014 9 1669 1 Cross Timbers Operating Company (100%)
2014 10 1727 1 Cross Timbers Operating Company (100%)
2014 11 1632 1 Cross Timbers Operating Company (100%)
2014 12 1695 1 Riviera Operating, LLC (100%)
2015 1 1781 1 Riviera Operating, LLC (100%)
2015 2 1545 1 Riviera Operating, LLC (100%)
2015 3 3505 1 Riviera Operating, LLC (100%)
2015 4 1685 1 Riviera Operating, LLC (100%)
2015 5 1734 1 Riviera Operating, LLC (100%)
2015 6 1659 1 Riviera Operating, LLC (100%)
2015 7 1711 1 Riviera Operating, LLC (100%)
2015 8 1733 1 Riviera Operating, LLC (100%)
2015 9 1664 1 Riviera Operating, LLC (100%)
2015 10 1714 1 LINN OPERATING INC (100%)
2015 11 1642 1 LINN OPERATING INC (100%)
2015 12 1685 1 LINN OPERATING INC (100%)
2016 1 1590 1 LINN OPERATING INC (100%)
2016 2 1475 1 LINN OPERATING INC (100%)
2016 3 1590 1 LINN OPERATING INC (100%)
2016 4 1593 1 LINN OPERATING INC (100%)
2016 5 1643 1 LINN OPERATING INC (100%)
2016 6 1623 1 LINN OPERATING INC (100%)
2016 7 1651 1 LINN OPERATING INC (100%)
2016 8 1626 1 LINN OPERATING INC (100%)
2016 9 1578 1 LINN OPERATING INC (100%)
2016 10 1618 1 LINN OPERATING INC (100%)
2016 11 1564 1 Riviera Operating, LLC (100%)
2016 12 1551 1 Riviera Operating, LLC (100%)
2017 1 1609 1 Riviera Operating, LLC (100%)
2017 2 1430 1 Riviera Operating, LLC (100%)
2017 3 1563 1 Riviera Operating, LLC (100%)
2017 4 1488 1 Riviera Operating, LLC (100%)
2017 5 1526 1 Riviera Operating, LLC (100%)
2017 6 1508 1 Riviera Operating, LLC (100%)
2017 7 1538 1 Riviera Operating, LLC (100%)
2017 8 1498 1 Riviera Operating, LLC (100%)
2017 9 1464 1 Riviera Operating, LLC (100%)
2017 10 1548 1 Riviera Operating, LLC (22%) ,
Scout Energy Management LLC (78%)
2017 11 1492 1 Riviera Operating, LLC (22%) ,
Scout Energy Management LLC (78%)
2017 12 1674 1 Riviera Operating, LLC (22%) ,
Scout Energy Management LLC (78%)
2018 1 1879 1 Riviera Operating, LLC (22%) ,
Scout Energy Management LLC (78%)
2018 2 1810 1 Riviera Operating, LLC (19%) ,
Scout Energy Management LLC (81%)
2018 3 1493 1 Riviera Operating, LLC (22%) ,
Scout Energy Management LLC (78%)
2018 4 1424 1 Riviera Operating, LLC (22%) ,
Scout Energy Management LLC (78%)
2018 5 1465 1 Riviera Operating, LLC (22%) ,
Scout Energy Management LLC (78%)
2018 6 1292 1 Riviera Operating, LLC (22%) ,
Scout Energy Management LLC (78%)
2018 7 1397 1 Riviera Operating, LLC (22%) ,
Scout Energy Management LLC (78%)
2018 8 1192 1 Scout Energy Management LLC (100%)
2018 9 1361 1 Scout Energy Management LLC (100%)
2018 10 1418 1 Scout Energy Management LLC (100%)
2018 11 1365 1 Scout Energy Management LLC (100%)
2018 12 1738 1 Scout Energy Management LLC (100%)
2019 1 1498 1 Scout Energy Management LLC (100%)
2019 2 1269 1 Scout Energy Management LLC (100%)
2019 3 1420 1 Scout Energy Management LLC (100%)
2019 4 1378 1 Scout Energy Management LLC (100%)
2019 5 1314 1 Scout Energy Management LLC (100%)
2019 6 1375 1 Scout Energy Management LLC (100%)
2019 7 1423 1 Scout Energy Management LLC (100%)
2019 8 1418 1 Scout Energy Management LLC (100%)
2019 9 1362 1 Scout Energy Management LLC (100%)
2019 10 1414 1 Scout Energy Management LLC (100%)
2019 11 1414 1 Scout Energy Management LLC (100%)
2019 12 1399 1 Scout Energy Management LLC (100%)
2020 1 1385 1 Scout Energy Management LLC (100%)
2020 2 1281 1 Scout Energy Management LLC (100%)
2020 3 1374 1 Scout Energy Management LLC (100%)
2020 4 1295 1 Scout Energy Management LLC (100%)
2020 5 1378 1 Scout Energy Management LLC (100%)
2020 6 1318 1 Scout Energy Management LLC (100%)
2020 7 1370 1 Scout Energy Management LLC (100%)
2020 8 1337 1 Scout Energy Management LLC (100%)
2020 9 1310 1 Scout Energy Management LLC (100%)
2020 10 1342 1 Scout Energy Management LLC (100%)
2020 11 1297 1 Scout Energy Management LLC (100%)
2020 12 1325 1 Scout Energy Management LLC (100%)
2021 1 1326 1 Scout Energy Management LLC (100%)
2021 2 964 1 Scout Energy Management LLC (100%)
2021 3 1384 1 Scout Energy Management LLC (100%)
2021 4 1288 1 Scout Energy Management LLC (100%)
2021 5 1308 1 Scout Energy Management LLC (100%)
2021 6 1267 1 Scout Energy Management LLC (100%)
2021 7 1308 1 Scout Energy Management LLC (100%)
2021 8 1304 1 Scout Energy Management LLC (100%)
2021 9 1271 1 Scout Energy Management LLC (100%)
2021 10 1303 1 Scout Energy Management LLC (100%)
2021 11 1254 1 Scout Energy Management LLC (100%)
2021 12 1285 1 Scout Energy Management LLC (100%)
2022 1 1283 1 Scout Energy Management LLC (100%)
2022 2 1117 1 Scout Energy Management LLC (100%)
2022 3 1126 1 Scout Energy Management LLC (100%)
2022 4 1333 1 Scout Energy Management LLC (100%)
2022 5 1267 1 Scout Energy Management LLC (100%)
2022 6 1245 1 Scout Energy Management LLC (100%)
2022 7 1263 1 Scout Energy Management LLC (100%)
2022 8 1293 1 Scout Energy Management LLC (100%)
2022 9 1166 1 Scout Energy Management LLC (100%)
2022 10 1293 1 Scout Energy Management LLC (100%)
2022 11 1237 1 Scout Energy Management LLC (100%)
2022 12 1202 1 Scout Energy Management LLC (100%)
2023 1 1258 1 Scout Energy Management LLC (100%)
2023 2 1161 1 Scout Energy Management LLC (100%)
2023 3 1248 1 Scout Energy Management LLC (100%)
2023 4 1175 1 Scout Energy Management LLC (100%)
2023 5 1236 1 Scout Energy Management LLC (100%)
2023 6 1172 1 Scout Energy Management LLC (100%)
2023 7 1252 1 Scout Energy Management LLC (100%)
2023 8 1231 1 Scout Energy Management LLC (100%)
2023 9 1206 1 Scout Energy Management LLC (100%)
2023 10 1250 1 Scout Energy Management LLC (100%)
2023 11 1206 1 Scout Energy Management LLC (100%)
2023 12 1233 1 Scout Energy Management LLC (100%)
2024 1 1138 1 Scout Energy Management LLC (100%)
2024 2 1134 1 Scout Energy Management LLC (100%)
2024 3 1215 1 Scout Energy Management LLC (100%)
2024 4 1164 1 Scout Energy Management LLC (100%)
2024 5 1160 1 Scout Energy Management LLC (100%)
2024 6 1137 1 Scout Energy Management LLC (100%)
2024 7 1171 1 Scout Energy Management 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.