دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a material that takes another material out of solution or the flow stream. Among most common are oxygen and H2S scavengers.

n: A kind of washing fluid that be used in the cementing.

n: Usually as oxygen scavenger of drilling fluid,which can decrease the corruption to drill string.

A neutral zinc salt, ZnCO3, which can be used as a sulfide scavenger in water-base muds. Zinc carbonate is less soluble than zinc basic carbonate and perhaps slower to react with sulfide ions. Treatment level is about 0.1 lbm/bbl per 50 mg/L sulfide ion (

Zn(OH)2,formless and white powder, which can be used as a sulfide scavenger in water-base muds.

A very weak base, ZnO, which can be used as a sulfide scavenger in oil-base or synthetic-base muds.

ZnSO4·7H2O,colourless orthorhombic crystal ,which can be used as a sulfide scavenger in oil-base or synthetic-base muds.