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Oklahoma Natural Gas Underground Storage Capacity (Million Cubic Feet)
Oklahoma Natural Gas Underground Storage Capacity (Million Cubic Feet)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2002 378,137 382,037 382,037 382,037 382,037 382,037 382,037 382,037 382,037 382,037 382,037 382,037
  2003 382,037 382,037 382,037 382,037 382,037 389,947 389,947 389,947 389,947 389,947 389,947 389,947
  2004 389,947 389,947 389,947 389,947 389,947 389,947 389,947 389,947 389,947 384,838 384,838 384,838
  2005 384,838 384,838 384,838 384,838 384,838 384,838 384,838 384,838 384,838 384,838 384,838 384,838
  2006 384,838 384,838 384,838 384,838 384,838 384,838 384,838 384,838 384,838 378,738 378,738 378,738
  2007 378,738 378,738 378,738 378,738 378,738 378,738 378,738 378,738 380,038 380,038 380,038 380,038
  2008 380,038 380,038 380,038 380,038 380,038 380,038 380,038 380,038 380,038 380,038 373,738 373,738
  2009 373,738 373,738 373,738 373,738 373,738 373,738 373,738 373,738 373,738 373,738 373,738 371,338
  2010 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338
  2011 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338 371,338
  2012 372,838 372,838 372,838 372,838 372,838 370,338 370,338 370,338 370,838 370,838 370,838 370,838
  2013 370,838 370,838 370,838 370,838 370,838 370,838 370,838 370,838 370,838 370,838 370,838 370,535
  2014 370,535 370,535 370,535 370,535 370,535 370,535 370,535 370,535 370,535 370,535 375,935 375,935
  2015 375,935 375,935 376,435 376,435 376,435 376,435 376,435 376,435 374,735 375,135 375,135 375,143
  2016 375,143 375,143 375,143 375,143 375,143 375,143 375,143 375,143 375,123 375,123 375,289 376,228
  2017 376,528 376,528 376,528 376,528 376,528 376,528 376,528 376,528 376,528 376,528 376,528 376,528
  2018 376,528 376,528 376,528 376,528 376,528 376,528 376,528 376,528 376,528 376,528 372,191 372,191
  2019 372,191 372,191 372,191 372,191 372,191 372,191 372,191 372,191 372,191 372,191 372,191 372,191
  2020 372,191 372,191 372,191 372,191 372,191 372,191 372,191 372,191 372,191 372,268 372,390 372,390
  2021 372,390 372,390 372,390 372,390 372,390 372,390 372,390 372,390 372,390 372,655 372,655 372,655
  2022 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655
  2023 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655
  2024 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 372,655 374,655 374,655
  2025 374,655 374,655 374,655 374,655 374,655 374,655 374,655

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/30/2025
Next Release Date: 10/31/2025

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