Month: October 2016

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Mud Agitators And How To Select A Proper Impeller and shaft

mud agitator with shaft and impeller

Drilling mud agitators are used extensively for drilling-fluid surface tanks. Regardless of manufacturer, Mud agitators have similar components namely: a drive motor, a geared reducer (also called a gearbox), a gearbox output shaft, and impeller(s).

The objective of a properly designed mechanical agitation system is the uniform suspension of all solids, appropriate application of shear, homogeneous fluid properties throughout the system, and economical application of applied power.

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BASIC PRINCIPLES OF AGITATION EQUIPMENT

A Mud Agitator is used in surface mud systems to suspend solids and maintain homogeneous mixture throughout the system. A mechanical agitator is driven by an explosion-proof motor, coupled to a gear box that drives the impeller shaft. The impellers (turbines) transform mechanical power into fluid circulation or agitation. The objective is to obtain a uniform suspension of all solids.-wiki

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DEGASSERS

A degasser is a device used in drilling to remove gasses from drilling fluid which could otherwise form bubbles.-wiki

The purpose of a degasser is to remove entrained gas from the drilling
fluid. By this definition, then, the degasser has a limited capability for
handling large quantities of gas—typically anything more than about
50–100 scfm (20 scfm of gas at surface pressure will gas-cut 400 gpm of
16-ppg drilling fluid to 10 ppg). Large volumes of gas need to be
removed first by a separator or gas buster.

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