Drilling EngineeringDrilling Hydraulics
Cuttings Net Rise Velocity Formula
Cuttings Net Rise Velocity calculates cuttings net rise velocity for drilling hydraulics workflows in drilling engineering.
How engineers use this formula
Use this formula when the listed inputs (AV, V_s) are known and the assumptions behind the cited drilling hydraulics relationship match the engineering case being checked.
Assumptions
- Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
- The declared units match the field-unit constants used in the formula.
- The cited formula applies to the selected petroleum engineering workflow.
Limitations
- The calculation does not replace a full engineering model or operating procedure.
- Accuracy depends on the source correlation, assumptions, input quality, and unit consistency.
Common mistakes
- Mixing unit systems without converting the inputs.
- Using default example values as field recommendations.
- Applying the formula outside the source assumptions.
Default example
Using the default inputs, V_net equals 60.912399 ft/min.
AVft/min
102
V_sft/min
41.08760074536628
Inputs
AV
ft/minAnnular Velocity
V_s
ft/minCuttings Slip Velocity
Outputs
V_net
ft/min
Cuttings Net Rise Velocity
AV
ft/min
Annular Velocity
V_s
ft/min
Cuttings Slip Velocity
Source and review
reviewedDrillingFormulas.com. Cutting Slip Velocity Calculation Method 1.
Source