3、Also in development are new drilling muds that cool the drill bit during operation.
6、He can speak the language of the parochial Deutsche Bank stick-in-the-muds and the kick-ass Anglo-Saxons.
1、additives,chemical,to drilling muds
5、The casing was driven into the soft muds in the top.
2、Early emulsion muds used diesel or crude oil dispersed into alkaline water-base muds.
8、The most common magnetic muds contain iron filings or magnetite. Other paramagnetic minerals such as hematite and ilmenite may contribute, although their magnetic susceptibility is considerably less.
4、They use cattles to step the fields into muds, and then transplant rice seedlings.
7、Little Hercules is cruising over hydrothermal springs, abyssal muds and the rocky tops of seamounts-a kind of underwater mountain that rises from the sea floor.
