Precautions for shaker screen use 1 The mesh number of shale shaker screen is not reasonable, The finer screen cannot be used in shallow well section, the screen with larger screen hole should be used at the beginning of drilling, and should be changed to finer screen with the increase of drilling depth gradually. 2: The formation conditions and mud conditions affect the handing capacity of the shale shaker,If the addition of drug does not dissolve and paste on the screen,serious slurry running will occur.The drug should be fully dissolved before use, and screen with larger holes should be used instead of finer screen.What is more, when drilling into a loose sandstone or quicksand layer, it is necessary to test several different shale shaker screen to reduce screen blocking phenomenon,because the sand particles tend to get stuck in the screen hole and cause the screen plugging phenomenon.
