Qatar, Jan. 26 -- QatarEnergy and Air Liquide have signed a long-term sales and purchase agreement (SPA) for the supply of 300 million cubic feet per annum of helium from Qatar.The agreement marks a new milestone in the long-standing relationship between the two global energy and industrial gas leaders, with Air Liquide being a foundation customer, an important helium off-taker, and a key technology provider for a number of Qatar's Helium production facilities. Helium plays a pivotal role in a wide range of advanced technologies and essential industrial applications, including magnetic resonance imaging (MRI) scanners, semiconductors, fiber optics, space exploration, deep sea diving, specialized welding, and other specialized applications....