首页>
外国专利>
A method for regulating the rheological properties of a fresh water - drilling position pue
A method for regulating the rheological properties of a fresh water - drilling position pue
展开▼
机译:一种调节淡水钻头流变性的方法。
展开▼
页面导航
摘要
著录项
相似文献
摘要
Method of controlling the rheology of a fresh water drilling fluid contaminated with salt by incorporating therein an admixture of a water soluble chromate and an ethylenedicarboxylic acid including the anhydride thereof, or mixture of said acid and the anhydride thereof in an amount of from about 0.5 to 10 pounds per barrel, a drilling method employing such a contaminated drilling fluid and containing said admixture, and a drilling fluid additive consisting of said admixture.
展开▼