Low Gravity Solids

The solid particles in the mud system that have a density lower than the weighting materials like barite or hematite are called 'Low Gravity Solids' (LGS). Drilled solids and bentonite clay are considered LGS. Solids in the mud system are measured as lbm/bbl or Vol %. Solids percentage is continuously measured on the rig site to maintain their concentration within design limits. The density of LGS is assumed to be 2.60 gm/cc.

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High Gravity Solids