Buoyancy factor is the factor that is used to compensate loss of weight due to immersion in drilling fluid and you can find the calculation from here https://www.drillingformulas.com/buoyancy-factor-calculation/.
We have created a simple table to help people determine the buoyancy factor quickly. Let’s take a look at the table. In Figure 1, it shows the main page and you can select the mud weight range from 4.0 ppg to 19.0 ppg.
Figure 1– Main Page BF Table
For instant, we choose 8.0 ppg and the table will show buoyancy from 8.0 – 8.9 ppg (Figure 2)
Figure 2 – Buoyancy Factor for 8 ppg Range
The table shows the buoyancy factor from mud weight range from 8.0 – 8.9 ppg. Additionally, the table demonstrates mud weight in kg/l. For example, if we select 8.5 ppg, the table will tell you the buoyancy factor of 0.8702 (Figure 3).
Figure 3 – 8.5 ppg and Buoyancy Factor
If you want to go back to the main page, you just simply click “Go Back To Main Page”.
Figure 4 – Go Back to Main Page BF Table
Download the Buoyancy Factor Table from this link => 
http://goo.gl/AIzMeS
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