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Natural Gas Liquids Proved Reserves
(Million Barrels)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2003 2004 2005 2006 2007 2008 View
History
Proved Reserves as of Dec. 31
598 615 603 575 528 464 1981-2008
Adjustments
-93 118 29 44 -3 -32 1981-2008
Revision Increases
89 104 89 99 90 71 1981-2008
Revision Decreases
129 168 102 107 84 84 1981-2008
Divestitures
77 57 34 84 40 27 2000-2008
Acquisitions
58 66 37 72 44 25 2000-2008
Extensions
30 43 27 26 25 24 1981-2008
New Field Discoveries
25 7 21 6 13 22 1981-2008
New Reservoir Discoveries in Old Fields
32 31 19 18 16 17 1981-2008
Estimated Production
120 127 98 102 108 80 1981-2008
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: W -- Individual state volumes are withheld to avoid disclosure of operator-level reserves data, due to statistical precision requirements, or due to other data quality reasons. The individual state volumes are included in the U.S. Total volume.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/30/2022
Next Release Date: 12/29/2023