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Yearly and monthly production

NEMAC Lease
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Lease: NEMAC
Operator: River Rock Operating, LLC
Location: NE NE SE T29S, R17E, Sec. 36
Cumulative Production: 717355 mcf (from 1986 to 2024)
KS Dept. of Revenue Lease Code: 213859
KS Dept. of Revenue Lease Name: NEMAC
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Field: Thayer
County: Neosho
Producing Zone: Weiser Sandstone Bed
Well Data (may be an incomplete list):
T29S R17E, Sec. 36, NE NW SW
Lease: NEMAC INC 18
Operator: NE MAC, INC.
Current Operator: SEK Energy, LLC
API Number: 15-133-23518
T29S R17E, Sec. 36, NW SW NW
Lease: NEMAC INC 23
Operator: NEAL W. MCCOY
Current Operator: PostRock Midcontinent Production LLC
API Number: 15-133-24014
T29S R17E, Sec. 35, NE SW SE SE
Lease: NEMAC 24
Operator: NEAL W. MCCOY
Current Operator: River Rock Operating, LLC
API Number: 15-133-24039
T29S R17E, Sec. 36, NW NE NE SE
Lease: NEMAC INC 3
Operator: NE MAC, INC.
Current Operator: River Rock Operating, LLC
API Number: 15-133-21164
T29S R17E, Sec. 35, NE NE SE
Lease: NEMAC 26
Operator: NEMAC INC
Current Operator: SEK Energy, LLC
API Number: 15-133-25072
T29S R17E, Sec. 36, SW SE NW SW
Lease: NEMAC INC 19
Operator: MCCOY NEIL
Current Operator: PostRock Midcontinent Production LLC
API Number: 15-133-23531

Data are received monthly from the Kansas Department of Revenue.



Annual Gas Production, (mcf)

Year Production Wells
Production Plots

1986 132 1
1987 - -
1988 - -
1989 2,509 1
1990 8,275 1
1991 16,713 1
1992 36,485 1
1993 22,916 1
1994 22,243 1
1995 8,005 1
1996 11,889 6
1997 10,616 6
1998 17,468 6
1999 23,093 6
2000 25,096 6
2001 33,295 6
2002 14,183 6
2003 13,470 6
2004 34,337 6
2005 40,426 6
2006 31,052 6
2007 36,029 6
2008 27,728 6
2009 19,284 6
2010 21,301 6
2011 20,831 6
2012 19,092 1
2013 18,046 1
2014 17,239 1
2015 17,255 1
2016 19,100 1
2017 19,435 2
2018 18,030 2
2019 17,535 2
2020 18,058 2
2021 16,850 2
2022 16,586 2
2023 14,822 2
2024 7,931 2
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 1388 1 PostRock Midcontinent Production LLC (100%)
2014 2 1192 1 PostRock Midcontinent Production LLC (100%)
2014 3 1116 1 PostRock Midcontinent Production LLC (100%)
2014 4 1371 1 PostRock Midcontinent Production LLC (100%)
2014 5 1575 1 PostRock Midcontinent Production LLC (100%)
2014 6 1513 1 PostRock Midcontinent Production LLC (100%)
2014 7 1500 1 PostRock Midcontinent Production LLC (100%)
2014 8 1533 1 PostRock Midcontinent Production LLC (100%)
2014 9 1516 1 PostRock Midcontinent Production LLC (100%)
2014 10 1519 1 PostRock Midcontinent Production LLC (100%)
2014 11 1470 1 PostRock Midcontinent Production LLC (100%)
2014 12 1546 1 PostRock Midcontinent Production LLC (100%)
2015 1 1718 1 PostRock Midcontinent Production LLC (100%)
2015 2 1550 1 PostRock Midcontinent Production LLC (100%)
2015 3 1475 1 PostRock Midcontinent Production LLC (100%)
2015 4 1365 1 PostRock Midcontinent Production LLC (100%)
2015 5 1392 1 PostRock Midcontinent Production LLC (100%)
2015 6 1185 1 PostRock Midcontinent Production LLC (100%)
2015 7 1514 1 PostRock Midcontinent Production LLC (100%)
2015 8 1312 1 PostRock Midcontinent Production LLC (100%)
2015 9 1348 1 PostRock Midcontinent Production LLC (100%)
2015 10 1433 1 PostRock Midcontinent Production LLC (100%)
2015 11 1433 1 PostRock Midcontinent Production LLC (100%)
2015 12 1530 1 PostRock Midcontinent Production LLC (100%)
2016 1 1506 1 PostRock Midcontinent Production LLC (100%)
2016 2 1337 1 PostRock Midcontinent Production LLC (100%)
2016 3 1471 1 PostRock Midcontinent Production LLC (100%)
2016 4 1444 1 PostRock Midcontinent Production LLC (100%)
2016 5 1426 1 PostRock Midcontinent Production LLC (100%)
2016 6 1613 1 RIVER ROCK ENERGY LLC (100%)
2016 7 1739 1 RIVER ROCK ENERGY LLC (100%)
2016 8 1764 1 RIVER ROCK ENERGY LLC (100%)
2016 9 1695 1 RIVER ROCK ENERGY LLC (100%)
2016 10 1777 1 RIVER ROCK ENERGY LLC (100%)
2016 11 1666 1 RIVER ROCK ENERGY LLC (100%)
2016 12 1662 1 RIVER ROCK ENERGY LLC (100%)
2017 1 1635 1 RIVER ROCK ENERGY LLC (100%)
2017 2 1490 1 RIVER ROCK ENERGY LLC (100%)
2017 3 1661 1 RIVER ROCK ENERGY LLC (100%)
2017 4 1570 1 RIVER ROCK ENERGY LLC (100%)
2017 5 1640 1 RIVER ROCK ENERGY LLC (100%)
2017 6 1581 2 RIVER ROCK ENERGY LLC (100%)
2017 7 1674 2 RIVER ROCK ENERGY LLC (100%)
2017 8 1700 2 RIVER ROCK ENERGY LLC (100%)
2017 9 1634 2 RIVER ROCK ENERGY LLC (100%)
2017 10 1654 2 RIVER ROCK ENERGY LLC (100%)
2017 11 1589 2 RIVER ROCK ENERGY LLC (100%)
2017 12 1607 2 RIVER ROCK ENERGY LLC (100%)
2018 1 1511 2 RIVER ROCK ENERGY LLC (100%)
2018 2 1369 2 RIVER ROCK ENERGY LLC (100%)
2018 3 1599 2 RIVER ROCK ENERGY LLC (100%)
2018 4 1504 2 RIVER ROCK ENERGY LLC (100%)
2018 5 1532 2 RIVER ROCK ENERGY LLC (100%)
2018 6 1504 2 RIVER ROCK ENERGY LLC (100%)
2018 7 1531 2 RIVER ROCK ENERGY LLC (100%)
2018 8 1535 2 RIVER ROCK ENERGY LLC (100%)
2018 9 1505 2 RIVER ROCK ENERGY LLC (100%)
2018 10 1520 2 RIVER ROCK ENERGY LLC (100%)
2018 11 1435 2 RIVER ROCK ENERGY LLC (100%)
2018 12 1485 2 RIVER ROCK ENERGY LLC (100%)
2019 1 1376 2 RIVER ROCK ENERGY LLC (100%)
2019 2 1288 2 RIVER ROCK ENERGY LLC (100%)
2019 3 1442 2 RIVER ROCK ENERGY LLC (100%)
2019 4 1405 2 RIVER ROCK ENERGY LLC (100%)
2019 5 1479 2 RIVER ROCK ENERGY LLC (100%)
2019 6 1465 2 RIVER ROCK ENERGY LLC (100%)
2019 7 1512 2 RIVER ROCK ENERGY LLC (100%)
2019 8 1539 2 RIVER ROCK ENERGY LLC (100%)
2019 9 1523 2 RIVER ROCK ENERGY LLC (100%)
2019 10 1545 2 RIVER ROCK ENERGY LLC (100%)
2019 11 1511 2 RIVER ROCK ENERGY LLC (100%)
2019 12 1450 2 RIVER ROCK ENERGY LLC (100%)
2020 1 1662 2 RIVER ROCK ENERGY LLC (100%)
2020 2 1520 2 RIVER ROCK ENERGY LLC (100%)
2020 3 1580 2 RIVER ROCK ENERGY LLC (100%)
2020 4 1484 2 RIVER ROCK ENERGY LLC (100%)
2020 5 1532 2 RIVER ROCK ENERGY LLC (100%)
2020 6 1474 2 RIVER ROCK ENERGY LLC (100%)
2020 7 1504 2 RIVER ROCK ENERGY LLC (100%)
2020 8 1526 2 RIVER ROCK ENERGY LLC (100%)
2020 9 1335 2 RIVER ROCK ENERGY LLC (100%)
2020 10 1577 2 RIVER ROCK ENERGY LLC (100%)
2020 11 1412 2 RIVER ROCK ENERGY LLC (100%)
2020 12 1452 2 RIVER ROCK ENERGY LLC (100%)
2021 1 1428 2 RIVER ROCK ENERGY LLC (100%)
2021 2 1041 2 RIVER ROCK ENERGY LLC (100%)
2021 3 1398 2 RIVER ROCK ENERGY LLC (100%)
2021 4 1310 2 RIVER ROCK ENERGY LLC (100%)
2021 5 1370 2 RIVER ROCK ENERGY LLC (100%)
2021 6 1351 2 RIVER ROCK ENERGY LLC (100%)
2021 7 1467 2 RIVER ROCK ENERGY LLC (100%)
2021 8 1513 2 RIVER ROCK ENERGY LLC (100%)
2021 9 1478 2 RIVER ROCK ENERGY LLC (100%)
2021 10 1526 2 RIVER ROCK ENERGY LLC (100%)
2021 11 1470 2 RIVER ROCK ENERGY LLC (100%)
2021 12 1498 2 RIVER ROCK ENERGY LLC (100%)
2022 1 1208 2 RIVER ROCK ENERGY LLC (100%)
2022 2 935 2 RIVER ROCK ENERGY LLC (100%)
2022 3 1215 2 RIVER ROCK ENERGY LLC (100%)
2022 4 1481 2 RIVER ROCK ENERGY LLC (100%)
2022 5 1504 2 RIVER ROCK ENERGY LLC (100%)
2022 6 1433 2 RIVER ROCK ENERGY LLC (100%)
2022 7 1416 2 RIVER ROCK ENERGY LLC (100%)
2022 8 1605 2 RIVER ROCK ENERGY LLC (100%)
2022 9 1552 2 RIVER ROCK ENERGY LLC (100%)
2022 10 1428 2 RIVER ROCK ENERGY LLC (100%)
2022 11 1390 2 RIVER ROCK ENERGY LLC (100%)
2022 12 1419 2 RIVER ROCK ENERGY LLC (100%)
2023 1 1276 2 RIVER ROCK ENERGY LLC (100%)
2023 2 1176 2 RIVER ROCK ENERGY LLC (100%)
2023 3 1318 2 RIVER ROCK ENERGY LLC (100%)
2023 4 1286 2 RIVER ROCK ENERGY LLC (100%)
2023 5 1218 2 RIVER ROCK ENERGY LLC (100%)
2023 6 1158 2 RIVER ROCK ENERGY LLC (100%)
2023 7 1217 2 RIVER ROCK ENERGY LLC (100%)
2023 8 1245 2 RIVER ROCK ENERGY LLC (100%)
2023 9 1183 2 RIVER ROCK ENERGY LLC (100%)
2023 10 1239 2 RIVER ROCK ENERGY LLC (100%)
2023 11 1230 2 RIVER ROCK ENERGY LLC (100%)
2023 12 1276 2 RIVER ROCK ENERGY LLC (100%)
2024 1 1092 2 RIVER ROCK ENERGY LLC (100%)
2024 2 1104 2 RIVER ROCK ENERGY LLC (100%)
2024 3 1169 2 RIVER ROCK ENERGY LLC (100%)
2024 4 1113 2 RIVER ROCK ENERGY LLC (100%)
2024 5 1151 2 RIVER ROCK ENERGY LLC (100%)
2024 6 1126 2 RIVER ROCK ENERGY LLC (100%)
2024 7 1176 2 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.