标准号:STAS 9305-1981
中文标准名称:钻井液用的活性皂土
英文标准名称:ACTIVATED BENTONITE FOR DRILLING FLUIDS
发布日期:1981/10/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Prezentul standard se refer? la bentonita activat?, utilizat? la prepararea fluidelO] de foraj si ob?inut? prin tratarea bentonitei conform STAS 2640-72 cu 2... 4% sod? cal cinat? (STAS 99-76).