Total Stocks: http://www.eia.gov/dnav/pet/pet_stoc_wstk_dcu_nus_w.htm
Refinery Stocks: http://www.eia.gov/dnav/pet/pet_stoc_ref_dc_nus_mbbl_m.htm
Weekly Working Gas
in Underground Storage:
http://www.eia.gov/dnav/ng/ng_stor_wkly_s1_w.htm