Shale Shaker |Important Solids Control Equipment for Drilling Fluid

mud tank system

Today’s shale shakers must be capable of maintaining optimum fluid properties to maximize drilling efficiency.

Joe Bacho

Define Shale Shaker

Shale shakers are components of the solids control systems. Shale shaker mainly used in the oil and gas drilling industry. Shale shaker is the first phase of a solids control system on a drilling rig, and are used to remove large solids (cuttings) from the drilling fluid (“mud”).

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SOLIDS CONTROL EQUIPMENT FOR WEIGHTED MUDS

drilling solids control equipment

Weighted muds are the ones that contain weighting materials. These mud systems are usually used for drilling at deeper depths because of increasing formation pressures. The typical composition of weighted clay/water mud is active clay, and inert solids like barite are used for enhancing the mud weight. As mentioned earlier, the mud arriving at the surface from the bottom while drilling is in progress contains active and inactive drilled solids. Hence, the low gravity solids must be removed first, using a screen, because their disintegration reduces the particle size to less than that of barite or in the similar range. This may cause a loss of costly barite if the mud is subjected to solids control. Once the larger particles are removed the mud must be passed through mud cleaner, where the hydrocyclones are used in series with screens. This system works best for muds with density less than 15.0 lbm/gal.

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