Oil / water ratio Is A number Representing The fraction of liquid oil basis and Water in the mud. In general, It Is a Relationship Between The percent oil in The Liquid Phase And The percent water in liquid phase.
The Number Can Be Determined by autoclaving samples of mud.
We Can OWR calculate this equation as per below :
Percent oil in liquid phase = 100x % by vol ÷ of oil (% by vol of oil +% by vol of water )
Percent water in liquid phase = 100x % by vol of water ÷ (% by vol of oil +% by vol of water )
Can you learn more about oil water ratio (LWR) calculation from drillingformulas.com > Calculate Water Oil Ratio
This figure is very vital Because it tells us How Much Water in the mud . If You Have Deviated from excessive water mud WAS specification , You Will Have Problems SEVERAL face with high PV , YP high , high pressure pumping , fluid bad property loss ,etc. . Because Water in the oil base mud Will act like solids . What's more, as you know water and oil are not compatible with each other so when water is added into the system ,you must add emulsifiers to maintain a solid emulsion in the mud .
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