Drilling fluids design is of great importance for drilling engineering design, factoring complication analysis in neighboring wellbore and complication prediction of the well in question, types, major parameters and basic ingredients of drilling fluids for different depths...

Water-based mud is a generic term of versatile circulating liquids satisfying different drilling requirements in exploration efforts. It is proper to apply solids control system against harmful solids and to get down mud density by input of additives or lower-density mud from identical system, etc....

Drilling fluids circulating solids control system has been frequently mentioned in previous passages surrounding solids control technology...

In recent years, CNPC has promoted energy equipment domestication relying on West-East natural gas transmission project and such important projects....