# Oil Based Mud Preparation with Desired Volume,Density and OWR

When preparing OBM, mud engineers carefully adjust the volume of base oil and additives to achieve the desired mud density. This ensures optimal drilling performance while maintaining stability and preventing wellbore collapse.

OWR is a critical parameter. By adding diesel oil to the mud, mud engineers create an emulsion that balances the density and lubricity needed for efficient drilling. Proper OWR management ensures safe and effective drilling operations.

### Correlations

- Volume of Base Oil-Water Mixture Required
- Volume of Weight Material Needed
- Sacks of Weight Material Needed

### Input Parameters

Name | Input Value - Unit | Converted Value | Validity | Link to Calculation Page | |||
---|---|---|---|---|---|---|---|

Desired Volume of Final Oil Based Mud | 100 | bbl | The final volume of mixed fluid | ||||

Desired Density of Final Oil Based Mud | 16 | lb/gal - ppg | The final density of mixed fluid | ||||

Desired Final Oil-Water Ratio (OWR) | 3 | - | The final OWR of mixed fluid | ||||

Specific Gravity of Weight Material (SG_{wm}) | 4.2 | SG | |||||

Base Oil Density | 6.7 | lb/gal - ppg | The density of the oil fluid to be mixed | ||||

Base Water Density | 8.34 | lb/gal - ppg | The density of the water fluid to be mixed | ||||

CALCULATE | |||||||

## Results | |||||||

Correlation | Calculated Value | Warnings | Remarks | ||||

Volume of Base Oil-Water Mixture Required | 68.16 | bbl | |||||

Volume of Weight Material Needed | 31.84 | bbl | |||||

Sacks of Weight Material Needed | 468.1 | Sacks |