Drilling mud Desanding equipment

Oct. 9, 2010 - PRLog -- Desanding equipments in soldis control system is usually referred as desander and desilter, excatly desilter is desilting equipment. Desander is used to extract the sands bigger than 50 microns in solids control system for mud rotary system.  
Cuttings or solids held in suspension in drilling mud significantly influence the life of pumps, swivels, and hoses. These abrasive particles can be removed by using a sand cone (desander) working in conjunction with good drilling mud characteristics.

Mud mixed to a Marsh Funnel viscosity of 34 to 36 seconds can carry cuttings from the hole. Hydrating 50 pounds of EXTRA HIGH YIELD™ GEL in 300 gallons of make-up water then adding 1 quart in UNI-DRILL® is an excellent starting recipe. As drilling begins, the desander is activated to “cyclone” the mud, dropping out sand that would otherwise be recirculated.

http://www.gn-shale-shaker.com/desilting-cones-on-drilling-mud-equipments/

Desanding cones
The desander cone and desilter cones all are also referred as hydrocyclone cones, cones are basically separate the solids from drilling fluids. The separation process is carried out by employing centrifugal forces. The Cones are made of high durameter polyurethane with optional steel inserts, which ensure consistent productivity.
The large cuttings drop into the mud pit and the desander can mechanically remove the sand particles that remain in the system. Clean mud has a greater carrying capacity than mud already laden with solids.
Each 5” hydrocyclone handles 80 GPM and can be expected to make a 15 micron and larger separation provided the correct feet of head is applied. For optimum performance of the Desanding Cone, pumping equipment should be capable of providing 80 GPM at the proper operating pressures for the mud weight of the fluid to be circulated.
Please refer to the below chart for optimum operating pressure as related to mud weight.
http://www.gnsolidscontrol.com/mud-cleaner/

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