View History:    Monthly     Annual   
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Refining District Appalachian No. 1 Field Production of Isobutane (Thousand Barrels per Day)
Refining District Appalachian No. 1 Field Production of Isobutane (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 1 1 1 1 1 1 1 1 1 1 1 1
  1994 1 1 1 1 1 1 1 1 1 1 1 1
  1995 1 1 1 1 1 1 1 1 1 1 1 1
  1996 1 1 1 1 1 1 1 1 1 1 1 1
  1997 1 1 1 1 1 1 1 1 1 1 1 1
  1998 1 1 1 1 1 1 1 1 1 1 1 1
  1999 1 2 1 1 1 1 1 1 1 1 1 1
  2000 1 1 1 1 1 1 1 1 1 1 1 1
  2001 1 1 1 1 1 1 1 1 1 1 1 1
  2002 1 1 1 1 1 1 1 1 1 1 1 1
  2003 1 1 1 1 1 1 1 1 1 1 1 1
  2004 1 1 1 1 2 2 1 2 2 2 2 2
  2005 2 2 2 2 2 1 1 1 1 1 1 1
  2006 2 2 2 2 2 2 2 2 2 2 2 2
  2007 2 3 2 2 2 2 2 2 2 2 2 2
  2008 2 2 2 2 2 2 2 2 1 2 2 2
  2009 2 2 2 2 2 2 2 2 2 2 2 2
  2010 2 2 2 2 2 2 2 2 2 2 3 3
  2011 3 4 4 4 4 4 5 5 5 5 5 5
  2012 6 5 5 5 5 6 6 6 6 6 7 8
  2013 8 5 5 6 7 7 7 7 8 8 9 9
  2014 8 9 9 10 11 11 13 14 12 13 13 13
  2015 14 14 16 17 15 14 14 14 14 14 13 15
  2016 17 17 17 18 18 16 19 19 19 18 19 19
  2017 19 20 20 20 21 22 21 23 23 23 23 23
  2018 22 23 23 23 24 24 25 25 27 27 27 26
  2019 27 25 25 26 25 26 27 26 27 27 28 29
  2020 28 28 28 27 26 30 30 30 30 30 30 29
  2021 29 29 29 29 30 30 30 31 31 29 29 28
  2022 27 28 29 29 29 30 31 31 31 31 31 30
  2023 31 30 30 31 31 31 31 32 32 31 33 31
  2024 31 30 30 32 32 32 33 31 30


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 11/29/2024
Next Release Date: 12/31/2024

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