Materials of construction for use in high pressure hydrogen storage in a salt cavern

Abstract

A carbon steel for use in high pressure hydrogen service is provided. This steel may have greater than 1.20% manganese and greater than 0.035% sulfur. This steel may have no more than 0.16% carbon, no more than 1.10% manganese, no more than 0.010% phosphorus, no more than 0.05% sulfur, no more than 0.02% silicon, no more than 0.15% copper, no more than 0.10% nickel, no more than 0.1% chromium, no more than 0.03% molybdnium, no more than 0.40% aluminum, no more than 0.02% vanadium, no more than 0.0005% boron, no more than 0.003% titanium, and no more than 0.02% niobium.

What is claimed is: 
     
         1 . A carbon steel for use in high pressure hydrogen service, comprising greater than 1.20% manganese and greater than 0.035% sulfur. 
     
     
         2 . The carbon steel of  claim 1 , wherein the manganese is between 1.20% and 1.35%. 
     
     
         3 . The carbon steel of  claim 1 , wherein the sulfur is between 0.035% and 0.040%. 
     
     
         4 . The carbon steel of  claim 1 , wherein the steel is ASME SA 350 LF1 or ASME SA 350 LF2 CL1. 
     
     
         5 . A fabricated article comprising, fabricating the article from the carbon steel of  claim 1 , wherein the article is a seamless pipe or a seamless casing. 
     
     
         6 . The fabricated article of  claim 5 , wherein the article is designed with a safety factor of at least 1.2. 
     
     
         7 . An assembly, comprising fabricating the assembly from two or more articles of  claim 5 , wherein the two or more articles are welded together in accordance with ASME code B31.12. 
     
     
         8 . The assembly of  claim 7 , wherein the assembly comprises a casing. 
     
     
         9 . The assembly of  claim 8 , wherein the casing is selected from the group consisting of surface casing, intermediate casing, and production casing. 
     
     
         10 . The assembly of  claim 7 , wherein the assembly comprises a cross country pipeline. 
     
     
         11 . The assembly of  claim 7 , wherein the assembly comprises a wellhead component. 
     
     
         12 . The assembly of  claim 11 , wherein said wellhead component is selected from the group consisting of a casing head, a casing spool, a casing hanger, a test plug, bull plug, a base plate, a tubing head, a tubing hanger, a tree cap test adapter, a positive choke, an adjustable choke, and a tubing head adapter. 
     
     
         13 . The assembly of  claim 11 , wherein said wellhead component is a valve. 
     
     
         14 . The assembly of  claim 13 , wherein said valve is selected from the group consisting of a gauge valve, a swab valve, a wing valve, a bleeder valve, a flow line valve, a master valve, a turning head valve, an intermediate casing head valve, and a lower casing head valve. 
     
     
         15 . A casing string, comprising fabricating the casing stream from two or more casings of  claim 8 . 
     
     
         16 . The casing string of  claim 15 , wherein the casing string is inserted into a well borehole and cemented at the surface. 
     
     
         17 . The casing string of  claim 15 , wherein the casing string is inserted into a well borehole that penetrates cap rock and salt mass, wherein the casing string is cemented with gas blocking cement. 
     
     
         18 . The casing string of  claim 15 , wherein the casing string is inserted into a well borehole that penetrates a salt mass, wherein the casing string is cemented with salt saturated cement. 
     
     
         19 . The casing string of  claim 15 , wherein the casing string is inserted into an aquifer, wherein the casing string is cemented to the surface with gas block cement. 
     
     
         20 . The casing string of  claim 15 , wherein the casing string is inserted into a depleted reservoir, wherein the casing string is cemented to the surface with gas block cement. 
     
     
         21 . The casing string of  claim 15 , wherein the casing string is inserted into a hard rock mined cavern, wherein the casing string is cemented to the surface with gas block cement.