HUERFANO UNIT #074
API 3004506321 · San Juan County, New Mexico · Aztec district · Federal lease
ActiveGasPlugged 9999-12-31
API
3004506321
Operator
HILCORP ENERGY COMPANY
Location (PLSS)
M-19-27N-10W
Spudded
1956-11-13
Measured depth
1,693 ft
True vertical depth
1,693 ft
Pools
[71629] BASIN FRUITLAND COAL (GAS); [77200] FULCHER KUTZ PICTURED CLIFFS (GAS)
Monthly production
403 months filed with the Oil Conservation Division, Dec 1992 to Jun 2026. Oil and water are barrels; gas is MCF — the three are never added.
Cumulative oil
0 bbl
Cumulative gas
1,385,518 MCF
Cumulative water
102,121 bbl
| Month | Oil (bbl) | Gas (MCF) | Water (bbl) | Days |
|---|---|---|---|---|
| Jun 2026 | — | 745 | — | 30 |
| May 2026 | — | 739 | — | 31 |
| Apr 2026 | — | 721 | — | 30 |
| Mar 2026 | — | 722 | — | 31 |
| Feb 2026 | — | 601 | — | 28 |
| Jan 2026 | — | 668 | — | 31 |
| Dec 2025 | — | 730 | — | 31 |
| Nov 2025 | — | 741 | — | 30 |
| Oct 2025 | — | 767 | — | 31 |
| Sep 2025 | — | 563 | — | 25 |
| Aug 2025 | — | 744 | — | 31 |
| Jul 2025 | — | 729 | — | 31 |
| Jun 2025 | — | 734 | — | 30 |
| May 2025 | — | 762 | — | 31 |
| Apr 2025 | — | 732 | — | 30 |
| Mar 2025 | — | 728 | — | 31 |
| Feb 2025 | — | 647 | — | 28 |
| Jan 2025 | — | 528 | — | 30 |
| Dec 2024 | — | 659 | — | 31 |
| Nov 2024 | — | 685 | — | 30 |
| Oct 2024 | — | 745 | — | 31 |
| Sep 2024 | — | 740 | — | 30 |
| Aug 2024 | — | 760 | — | 31 |
| Jul 2024 | — | 773 | — | 31 |
| Jun 2024 | — | 768 | — | 30 |
| May 2024 | — | 729 | — | 31 |
| Apr 2024 | — | 791 | — | 30 |
| Mar 2024 | — | 816 | — | 31 |
| Feb 2024 | — | 758 | — | 29 |
| Jan 2024 | — | 682 | — | 31 |
| Dec 2023 | — | 764 | — | 31 |
| Nov 2023 | — | 824 | — | 30 |
| Oct 2023 | — | 806 | — | 31 |
| Sep 2023 | — | 719 | — | 30 |
| Aug 2023 | — | 736 | — | 31 |
| Jul 2023 | — | 764 | — | 31 |
| Jun 2023 | — | 810 | — | 30 |
| May 2023 | — | 619 | — | 31 |
| Apr 2023 | — | 660 | — | 30 |
| Mar 2023 | — | 722 | — | 31 |
| Feb 2023 | — | 574 | — | 28 |
| Jan 2023 | — | 680 | — | 31 |
| Dec 2022 | — | 635 | — | 31 |
| Nov 2022 | — | 615 | — | 30 |
| Oct 2022 | — | 699 | — | 31 |
| Sep 2022 | — | 789 | — | 30 |
| Aug 2022 | — | 766 | — | 31 |
| Jul 2022 | — | 859 | — | 31 |
| Jun 2022 | — | 827 | — | 30 |
| May 2022 | — | 896 | — | 31 |
| Apr 2022 | — | 745 | — | 30 |
| Mar 2022 | — | 861 | — | 31 |
| Feb 2022 | — | 620 | — | 28 |
| Jan 2022 | — | 767 | — | 31 |
| Dec 2021 | — | 839 | — | 31 |
| Nov 2021 | — | 869 | — | 30 |
| Oct 2021 | — | 941 | — | 31 |
| Sep 2021 | — | 869 | — | 30 |
| Aug 2021 | — | 819 | — | 31 |
| Jul 2021 | — | 848 | — | 31 |
| Jun 2021 | — | 900 | — | 30 |
| May 2021 | — | 959 | — | 31 |
| Apr 2021 | — | 911 | — | 30 |
| Mar 2021 | — | 960 | — | 31 |
| Feb 2021 | — | 892 | — | 28 |
| Jan 2021 | — | 876 | — | 30 |
| Dec 2020 | — | 854 | — | 30 |
| Nov 2020 | — | 882 | — | 30 |
| Oct 2020 | — | 928 | — | 31 |
| Sep 2020 | — | 895 | — | 30 |
| Aug 2020 | — | 950 | — | 31 |
| Jul 2020 | — | 856 | — | 31 |
| Jun 2020 | — | 871 | — | 30 |
| May 2020 | — | 865 | — | 31 |
| Apr 2020 | — | 898 | — | 29 |
| Mar 2020 | — | 913 | — | 31 |
| Feb 2020 | — | 722 | — | 29 |
| Jan 2020 | — | 893 | — | 31 |
| Dec 2019 | — | 678 | — | 31 |
| Nov 2019 | — | 792 | — | 26 |
| Oct 2019 | — | 652 | — | 31 |
| Sep 2019 | — | 261 | — | 16 |
| Aug 2019 | — | 751 | — | 31 |
| Jul 2019 | — | 845 | — | 31 |
| Jun 2019 | — | 777 | — | 30 |
| May 2019 | — | 761 | — | 31 |
| Apr 2019 | — | 745 | — | 30 |
| Mar 2019 | — | 963 | — | 31 |
| Feb 2019 | — | 858 | — | 28 |
| Jan 2019 | — | 154 | — | 31 |
| Dec 2018 | — | 976 | — | 31 |
| Nov 2018 | — | 813 | — | 27 |
| Oct 2018 | — | 941 | — | 31 |
| Sep 2018 | — | 988 | — | 30 |
| Aug 2018 | — | 700 | — | 28 |
| Jul 2018 | — | 989 | — | 31 |
| Jun 2018 | — | 1,001 | — | 30 |
| May 2018 | — | 672 | — | 20 |
| Apr 2018 | — | 753 | — | 26 |
| Mar 2018 | — | 707 | — | 25 |
| Feb 2018 | — | 830 | — | 26 |
| Jan 2018 | — | 903 | — | 28 |
| Dec 2017 | — | 763 | — | 26 |
| Nov 2017 | — | 674 | — | 22 |
| Oct 2017 | — | 902 | — | 28 |
| Sep 2017 | — | 881 | — | 28 |
| Aug 2017 | — | 0 | — | 0 |
| Jul 2017 | — | 1,037 | — | 31 |
| Jun 2017 | — | 962 | — | 30 |
| May 2017 | — | 1,068 | — | 31 |
| Apr 2017 | — | 834 | — | 30 |
| Mar 2017 | — | 1,131 | — | 31 |
| Feb 2017 | — | 768 | — | 28 |
| Jan 2017 | — | 878 | 3,100 | 31 |
| Dec 2016 | — | 634 | 3,100 | 31 |
| Nov 2016 | — | 957 | 3,000 | 30 |
| Oct 2016 | — | 1,112 | 3,100 | 31 |
| Sep 2016 | — | 519 | 2,900 | 29 |
| Aug 2016 | — | 994 | 3,100 | 31 |
| Jul 2016 | — | 1,110 | 3,100 | 31 |
| Jun 2016 | — | 1,017 | 3,000 | 30 |
| May 2016 | — | 812 | 3,100 | 31 |
| Apr 2016 | — | 841 | 3,000 | 30 |
| Mar 2016 | — | 1,024 | 3,100 | 31 |
| Feb 2016 | — | 1,008 | 2,900 | 29 |
| Jan 2016 | — | 904 | 713 | 31 |
| Dec 2015 | — | 1,086 | 713 | 31 |
| Nov 2015 | — | 1,053 | 667 | 29 |
| Oct 2015 | — | 1,010 | 713 | 31 |
| Sep 2015 | — | 760 | 690 | 30 |
| Aug 2015 | — | 1,013 | 713 | 31 |
| Jul 2015 | — | 276 | 713 | 31 |
| Jun 2015 | — | 739 | 690 | 30 |
| May 2015 | — | 1,052 | 713 | 31 |
| Apr 2015 | — | 695 | 506 | 22 |
| Mar 2015 | — | 557 | 460 | 20 |
| Feb 2015 | — | 183 | 368 | 16 |
| Jan 2015 | — | 1,030 | 713 | 31 |
| Dec 2014 | — | 1,142 | 713 | 31 |
| Nov 2014 | — | 840 | 690 | 30 |
| Oct 2014 | — | 1,145 | 713 | 31 |
| Sep 2014 | — | 1,068 | 322 | 14 |
| Aug 2014 | — | 1,100 | 253 | 11 |
| Jul 2014 | — | 870 | 667 | 29 |
| Jun 2014 | — | 1,009 | 667 | 29 |
| May 2014 | — | 1,153 | 690 | 30 |
| Apr 2014 | — | 1,182 | 690 | 30 |
| Mar 2014 | — | 1,256 | 713 | 31 |
| Feb 2014 | — | 1,097 | 644 | 28 |
| Jan 2014 | — | 1,074 | 713 | 31 |
| Dec 2013 | — | 967 | 667 | 29 |
| Nov 2013 | — | 1,135 | 690 | 30 |
| Oct 2013 | — | 1,246 | 713 | 31 |
| Sep 2013 | — | 1,205 | 690 | 30 |
| Aug 2013 | — | 1,248 | 713 | 31 |
| Jul 2013 | — | 1,256 | 713 | 31 |
| Jun 2013 | — | 1,208 | 690 | 30 |
| May 2013 | — | 1,280 | 713 | 31 |
| Apr 2013 | — | 1,240 | 690 | 30 |
| Mar 2013 | — | 1,109 | 713 | 31 |
| Feb 2013 | — | 1,180 | 644 | 28 |
| Jan 2013 | — | 1,014 | 713 | 31 |
| Dec 2012 | — | 1,216 | 690 | 30 |
| Nov 2012 | — | 1,299 | 690 | 30 |
| Oct 2012 | — | 1,391 | 713 | 31 |
| Sep 2012 | — | 788 | 437 | 19 |
| Aug 2012 | — | 1,220 | 713 | 31 |
| Jul 2012 | — | 617 | 575 | 25 |
| Jun 2012 | — | 1,270 | 690 | 30 |
| May 2012 | — | 1,386 | 713 | 31 |
| Apr 2012 | — | 1,343 | 690 | 30 |
| Mar 2012 | — | 1,352 | 713 | 31 |
| Feb 2012 | — | 825 | 667 | 29 |
| Jan 2012 | — | 816 | 713 | 31 |
| Dec 2011 | — | 826 | 713 | 31 |
| Nov 2011 | — | 782 | 690 | 30 |
| Oct 2011 | — | 801 | 713 | 31 |
| Sep 2011 | — | 911 | 690 | 30 |
| Aug 2011 | — | 860 | 713 | 31 |
| Jul 2011 | — | 843 | 713 | 31 |
| Jun 2011 | — | 599 | 690 | 30 |
| May 2011 | — | 685 | 713 | 31 |
| Apr 2011 | — | 239 | 690 | 30 |
| Mar 2011 | — | 695 | 713 | 31 |
| Feb 2011 | — | 656 | 644 | 28 |
| Jan 2011 | — | 588 | 621 | 27 |
| Dec 2010 | — | 498 | 713 | 31 |
| Nov 2010 | — | 927 | 690 | 30 |
| Oct 2010 | — | 762 | 713 | 31 |
| Sep 2010 | — | 891 | 690 | 30 |
| Aug 2010 | — | 878 | 713 | 31 |
| Jul 2010 | — | 940 | 713 | 31 |
| Jun 2010 | — | 812 | 690 | 30 |
| May 2010 | — | 896 | 713 | 31 |
| Apr 2010 | — | 887 | 690 | 30 |
| Mar 2010 | — | 954 | 713 | 31 |
| Feb 2010 | — | 749 | 644 | 28 |
| Jan 2010 | — | 742 | 713 | 31 |
| Dec 2009 | — | 611 | 713 | 31 |
| Nov 2009 | — | 714 | 690 | 30 |
| Oct 2009 | — | 914 | 713 | 31 |
| Sep 2009 | — | 843 | 690 | 30 |
| Aug 2009 | — | 811 | 575 | 25 |
| Jul 2009 | — | 409 | 276 | 12 |
| Jun 2009 | — | 878 | 690 | 30 |
| May 2009 | — | 937 | 667 | 29 |
| Apr 2009 | — | 910 | 621 | 27 |
| Mar 2009 | — | 712 | 713 | 31 |
| Feb 2009 | — | 777 | 506 | 22 |
| Jan 2009 | — | 859 | 713 | 31 |
| Dec 2008 | — | 601 | 713 | 31 |
| Nov 2008 | — | 934 | 667 | 29 |
| Oct 2008 | — | 912 | 713 | 31 |
| Sep 2008 | — | 986 | 644 | 28 |
| Aug 2008 | — | 887 | 713 | 31 |
| Jul 2008 | — | 908 | 713 | 31 |
| Jun 2008 | — | 823 | 30 | 30 |
| May 2008 | — | 402 | 713 | 31 |
| Apr 2008 | — | 365 | 690 | 30 |
| Mar 2008 | — | 0 | — | 0 |
| Feb 2008 | — | 0 | — | 0 |
| Jan 2008 | — | 0 | — | 0 |
| Dec 2007 | — | 0 | — | 0 |
| Nov 2007 | — | 0 | — | 0 |
| Oct 2007 | — | 0 | — | 0 |
| Sep 2007 | — | 0 | — | 0 |
| Aug 2007 | — | 0 | — | 0 |
| Jul 2007 | — | 0 | — | 0 |
| Jun 2007 | — | 0 | — | 0 |
| May 2007 | — | 0 | — | 0 |
| Apr 2007 | — | 0 | — | 0 |
| Mar 2007 | — | 0 | — | 0 |
| Feb 2007 | — | 315 | 644 | 28 |
| Jan 2007 | — | 690 | 713 | 31 |
| Dec 2006 | — | 927 | 713 | 31 |
| Nov 2006 | — | 1,839 | 423 | 30 |
| Oct 2006 | — | 1,294 | 298 | 31 |
| Sep 2006 | — | 797 | 183 | 30 |
| Aug 2006 | — | 766 | 176 | 31 |
| Jul 2006 | — | 39 | 9 | 31 |
| Jun 2006 | — | 38 | 9 | 30 |
| May 2006 | — | 39 | 9 | 31 |
| Apr 2006 | — | 38 | 9 | 30 |
| Mar 2006 | — | 147 | 34 | 31 |
| Feb 2006 | — | 482 | 111 | 7 |
| Jan 2006 | — | 0 | — | 0 |
| Dec 2005 | — | 36 | 8 | 30 |
| Nov 2005 | — | 38 | 9 | 30 |
| Oct 2005 | — | 39 | 9 | 31 |
| Sep 2005 | — | 38 | — | 30 |
| Aug 2005 | — | 39 | — | 31 |
| Jul 2005 | — | 39 | — | 31 |
| Jun 2005 | — | 42 | — | 30 |
| May 2005 | — | 426 | — | 31 |
| Apr 2005 | — | 285 | — | 30 |
| Mar 2005 | — | 150 | — | 31 |
| Feb 2005 | — | 370 | — | 28 |
| Jan 2005 | — | 1,105 | 1 | 31 |
| Dec 2004 | — | 1,248 | 1 | 31 |
| Nov 2004 | — | 1,178 | 1 | 30 |
| Oct 2004 | — | 1,365 | 1 | 31 |
| Sep 2004 | — | 1,358 | 1 | 30 |
| Aug 2004 | — | 1,246 | 1 | 31 |
| Jul 2004 | 0 | 1,109 | 1 | 31 |
| Jun 2004 | 0 | 1,255 | 1 | 30 |
| May 2004 | 0 | 1,137 | 1 | 31 |
| Apr 2004 | 0 | 1,097 | 1 | 30 |
| Mar 2004 | 0 | 1,198 | 1 | 31 |
| Feb 2004 | 0 | 713 | 1 | 29 |
| Jan 2004 | 0 | 1,585 | 1 | 31 |
| Dec 2003 | 0 | 1,623 | 1 | 31 |
| Nov 2003 | 0 | 1,423 | 1 | 30 |
| Oct 2003 | 0 | 1,307 | 1 | 30 |
| Sep 2003 | 0 | 1,621 | 1 | 30 |
| Aug 2003 | 0 | 1,153 | 1 | 29 |
| Jul 2003 | 0 | 1,405 | 1 | 31 |
| Jun 2003 | 0 | 1,319 | 1 | 30 |
| May 2003 | 0 | 1,460 | 1 | 31 |
| Apr 2003 | 0 | 1,223 | 1 | 30 |
| Mar 2003 | 0 | 1,184 | 1 | 31 |
| Feb 2003 | 0 | 1,409 | 1 | 28 |
| Jan 2003 | 0 | 1,542 | 1 | 31 |
| Dec 2002 | 0 | 1,911 | 1 | 31 |
| Nov 2002 | 0 | 1,532 | 1 | 30 |
| Oct 2002 | 0 | 1,997 | 1 | 31 |
| Sep 2002 | 0 | 1,442 | 1 | 30 |
| Aug 2002 | 0 | 373 | 0 | 31 |
| Jul 2002 | 0 | 906 | 1 | 31 |
| Jun 2002 | 0 | 1,970 | 1 | 30 |
| May 2002 | 0 | 2,258 | 1 | 31 |
| Apr 2002 | 0 | 1,178 | 1 | 30 |
| Mar 2002 | 0 | 1,977 | 1 | 31 |
| Feb 2002 | 0 | 1,817 | 1 | 28 |
| Jan 2002 | 0 | 2,149 | 1 | 31 |
| Dec 2001 | 0 | 2,303 | 1 | 31 |
| Nov 2001 | 0 | 1,760 | 1 | 30 |
| Oct 2001 | 0 | 2,067 | 1 | 31 |
| Sep 2001 | 0 | 1,269 | 1 | 30 |
| Aug 2001 | 0 | 2,215 | 1 | 31 |
| Jul 2001 | — | 848 | 1 | 31 |
| Jun 2001 | — | 552 | 1 | 28 |
| May 2001 | — | 976 | 1 | 31 |
| Apr 2001 | — | 1,626 | 1 | 30 |
| Mar 2001 | — | 1,419 | 1 | 31 |
| Feb 2001 | — | 1,900 | 1 | 28 |
| Jan 2001 | — | 2,546 | 1 | 31 |
| Dec 2000 | — | 2,820 | 1 | 31 |
| Nov 2000 | — | 2,692 | 1 | 30 |
| Oct 2000 | — | 2,910 | 1 | 31 |
| Sep 2000 | — | 2,365 | 1 | 30 |
| Aug 2000 | — | 2,341 | 1 | 31 |
| Jul 2000 | — | 2,305 | 1 | 31 |
| Jun 2000 | — | 2,469 | 1 | 30 |
| May 2000 | — | 2,005 | 1 | 31 |
| Apr 2000 | — | 2,064 | 1 | 30 |
| Mar 2000 | — | 2,843 | 1 | 31 |
| Feb 2000 | — | 2,865 | 1 | 29 |
| Jan 2000 | — | 2,698 | 1 | 31 |
| Dec 1999 | — | 2,631 | 1 | 31 |
| Nov 1999 | — | 2,758 | 1 | 30 |
| Oct 1999 | — | 2,455 | 1 | 31 |
| Sep 1999 | — | 2,632 | 1 | 30 |
| Aug 1999 | — | 2,733 | 1 | 31 |
| Jul 1999 | — | 2,014 | 1 | 30 |
| Jun 1999 | — | 2,218 | 1 | 30 |
| May 1999 | — | 3,021 | 1 | 31 |
| Apr 1999 | — | 3,265 | 1 | 30 |
| Mar 1999 | — | 3,267 | 1 | 31 |
| Feb 1999 | — | 3,125 | 1 | 28 |
| Jan 1999 | — | 3,712 | 1 | 31 |
| Dec 1998 | — | 3,807 | 1 | 31 |
| Nov 1998 | — | 3,621 | 1 | 27 |
| Oct 1998 | — | 1,098 | 1 | 31 |
| Sep 1998 | — | 2,677 | 1 | 30 |
| Aug 1998 | — | 1,495 | 1 | 24 |
| Jul 1998 | — | 1,768 | 1 | 22 |
| Jun 1998 | — | 3,071 | 1 | 30 |
| May 1998 | — | 3,768 | 1 | 31 |
| Apr 1998 | — | 3,730 | 1 | 30 |
| Mar 1998 | — | 4,346 | 1 | 31 |
| Feb 1998 | — | 4,167 | 1 | 28 |
| Jan 1998 | — | 4,238 | 1 | 31 |
| Dec 1997 | — | 3,902 | 1 | 31 |
| Nov 1997 | — | 3,302 | 1 | 30 |
| Oct 1997 | — | 4,596 | 1 | 31 |
| Sep 1997 | — | 2,769 | 1 | 30 |
| Aug 1997 | — | 3,605 | 1 | 31 |
| Jul 1997 | — | 3,576 | 1 | 31 |
| Jun 1997 | — | 3,611 | 1 | 30 |
| May 1997 | — | 5,882 | 1 | 31 |
| Apr 1997 | — | 7,096 | 1 | 30 |
| Mar 1997 | — | 7,298 | 1 | 31 |
| Feb 1997 | — | 5,664 | 1 | 28 |
| Jan 1997 | — | 5,088 | 1 | 31 |
| Dec 1996 | — | 5,040 | 1 | 31 |
| Nov 1996 | — | 5,222 | 1 | 30 |
| Oct 1996 | — | 5,557 | 1 | 31 |
| Sep 1996 | — | 0 | — | 23 |
| Aug 1996 | — | 4,808 | 1 | 31 |
| Jul 1996 | — | 5,386 | 1 | 31 |
| Jun 1996 | — | 5,569 | 1 | 30 |
| May 1996 | — | 5,610 | 1 | 31 |
| Apr 1996 | — | 5,552 | 1 | 30 |
| Mar 1996 | — | 6,265 | 1 | 31 |
| Feb 1996 | — | 6,000 | 1 | 29 |
| Jan 1996 | — | 6,056 | 1 | 31 |
| Dec 1995 | — | 6,269 | 1 | 31 |
| Nov 1995 | — | 6,365 | 1 | 30 |
| Oct 1995 | — | 5,824 | 1 | 25 |
| Sep 1995 | — | 6,430 | 1 | 30 |
| Aug 1995 | — | 6,058 | 1 | 31 |
| Jul 1995 | — | 6,678 | 1 | 31 |
| Jun 1995 | — | 6,591 | 1 | 30 |
| May 1995 | — | 6,866 | 1 | 31 |
| Apr 1995 | — | 5,859 | 1 | 30 |
| Mar 1995 | — | 6,923 | 1 | 31 |
| Feb 1995 | — | 6,514 | 1 | 28 |
| Jan 1995 | — | 7,194 | 1 | 31 |
| Dec 1994 | — | 7,680 | 1 | 31 |
| Nov 1994 | — | 7,548 | 1 | 30 |
| Oct 1994 | — | 8,160 | 1 | 31 |
| Sep 1994 | — | 7,053 | 1 | 26 |
| Aug 1994 | — | 8,760 | 1 | 30 |
| Jul 1994 | — | 0 | — | 15 |
| Jun 1994 | — | 0 | — | 30 |
| May 1994 | — | 0 | — | 31 |
| Apr 1994 | — | 1,086 | 1 | 30 |
| Mar 1994 | — | 1,726 | 2 | 31 |
| Feb 1994 | — | 1,656 | 2 | 28 |
| Jan 1994 | — | 2,186 | 3 | 31 |
| Dec 1993 | — | 2,935 | 3 | 31 |
| Nov 1993 | — | 1,718 | 2 | 30 |
| Oct 1993 | — | 425 | — | 14 |
| Sep 1993 | — | 485 | 1 | 30 |
| Aug 1993 | — | 504 | 1 | 31 |
| Jul 1993 | — | 534 | 1 | 31 |
| Jun 1993 | — | 479 | 1 | 30 |
| May 1993 | — | 439 | 1 | 23 |
| Apr 1993 | — | 482 | 1 | 30 |
| Mar 1993 | — | 525 | 1 | 31 |
| Feb 1993 | — | 576 | 1 | 28 |
| Jan 1993 | — | 578 | 1 | 31 |
| Dec 1992 | — | 768,368 | 57 | 99 |
A month with no figure filed no volume for that product. Statewide, 535 well-months carry two filings that disagree on the volume with nothing in the record to choose between them; those are excluded rather than guessed.
Location
36.555881, -107.942673 · M-19-27N-10W
New Mexico OCD data, corpus built 2026-08-18. API 04506321.