Patent ID: 9365349
Filing Date: 2016-06-14
CPC Classification: B65G,F17C,G01N,Y02E

Claim Text:
1. An inventory management method, comprising; a) introducing a gas product into Q salt caverns, where Q is a number greater than 1, setting cavern counter N to 0, b) if N=Q, setting salt cavern counter to N=0, c) if N<Q, setting salt cavern counter to N=N+1, d) removing and replacing the gas product from salt cavern N as supply and demand dictate, e) analyzing the impurities in the gas product that is removed from salt cavern N, f) predicting the duration until a maximum acceptable impurity limit is present in the product gas removed from cavern N, g) removing all the working gas from salt cavern N when the maximum acceptable impurity limit is reached, then replacing the working gas in salt cavern N, while concurrently, repeating steps b)-f).