Solid control equipment supplier

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Mechanical Separation Basics Solid control equipment supplier


Mechanical separation equipment employs mass differences, size differences or a combination of both to selectively reject undesirable solids and retain desirable drilling fluid. The desanders and desilters utilize centrifuge force and mass difference between the solids density and liquid density for solids removal. The shale shakers employ a vibrating screen of various micron-sized differences.
A standard rig shaker or fine screen shaker is vital to the solids control and should process 100% of the mud returning from the starting pit before allowing this mud to be processed by any of the down stream equipment you may utilize in your solids control system.
Located directly down stream from the shale shaker will be one of the hydrocyclone devices:

Desander

Desilter

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These should be sized to process at least 125% of the rig circulation rate while discarding undesirable cuttings & solids down to the 50 micron size range. The desander removes the majority of the solids down to the 100micron size range and prevents the desilter from being over loaded. The desilter removes the majority of the solids down to the 15micron range.

Summary of Effective Solids Control
Obtain solids removal equipment for your operation
Remove as many drilled cuttings as possible before being pumped back down the bore hole
Do not by pass the shale shaker or other solid control equipment while drilling
Use the smallest mesh screen possible on the shale shaker. This will change from formation to formation
Maintain an adequate inventory of recommended spare parts.
Train & assign rig personnel to be responsible for equipment operation & maintenance