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`BF = (489 - MW )/489 `

Enter a value for all fields

The **Buoyancy Factor** calculator computes the loss of weight due to immersion in drilling fluid.

**INSTRUCTIONS:** Choose units and enter the following:

- (
**MW**) Mud Weight

**Buoyancy Factor (BF):** The calculator returns a unitless factor.

Buoyancy is the reactive upward force exerted by a fluid when an object is immersed into it. **Buoyancy Factor** (BF) is the factor that is used to compensate loss of weight due to immersion in drilling fluid. In drilling the Buoyancy factor is calculated by subtracting the mud-weight from the given constant divided by the constant.

Buoyancy makes objects lighter in a fluid. For example, when swimming or immersed in water one tends to feel lighter than they actually are when out of water.

- Volume Pumped over time by Pump Flow-rate
- Time to Pump Volume by Flow-rate
- Duplex Pump Output: Barrels per stroke from a duplex pump.
- Triplex Pump Output: Barrels per stroke from a triplex pump.
- Quintuplex Pump Output: Barrels per stroke from a quintuplex pump.
- Barrel Production: Computes the total volume (barrels) produced over a period of time based on the production rate and duration.
- Annular Velocity: Compute the fluid flow velocity, based on the flow rate and pipe dimensions.
- Mud Buoyancy: Computes the buoyancy in mud
- Volume of a Pipe: Computes the volume of a pipe.
- Weight of Pipe Contents: Computes the weight (mass) based on density and pipe dimensions.
- Density of Oil:
- Crude at (48° API): 790.0 kg/m³
- Crude at (40° API): 825.0 kg/m³
- Crude at (35.6° API): 847.0 kg/m³
- Crude at (32.6° API): 862.0 kg/m³

- Energy in Crude Oil: 5800000.0 BTU/bbl
- Pump Efficiency