1) Drilling technology 
A degasser is a device used in drilling to remove gasses from drilling fluid which could otherwise form bubbles. ==Degasser== For small amount of entrained gas in a drilling fluid, the degasser can play a major role of removing small bubbles that a liquid film has enveloped and entrapped. In order for it to be released and break out the air and ga...
the device used to remove unwanted gas from a liquid, especially from drilling fluid. 
A material employed for removing gases from molten metals and alloys.
A material employed for removing gases from molten metals and alloys.