Drilling Hydraulics Calculators

    Free drilling hydraulics calculators for annular velocity, ECD, pressure loss, surge & swab, and pump output. Essential tools for drilling engineers.

    Annular Capacity

    Calculate the volume capacity of annular spaces between two cylindrical objects such as casing and tubing.

    Annular Velocity

    Calculate annular velocity in drilling operations using flow rate and annular dimensions for optimal cuttings transport.

    Bit Pressure Drop

    Calculate bit pressure drop through nozzles using flow rate, mud weight, and total nozzle area for hydraulics optimization.

    ECD Calculator

    Calculate Equivalent Circulating Density combining static mud weight and dynamic annular pressure losses during circulation.

    Friction Factor

    Calculate Darcy friction factor using the Moody equation for pipe flows with pressure loss calculations and Reynolds number support.

    Hydraulic Horsepower

    Calculate hydraulic horsepower (HHP) from flow rate and pressure drop for bit hydraulics and drilling optimization.

    Jet Impact Force

    Calculate hydraulic impact force of drilling fluid jets through bit nozzles for hole cleaning optimization.

    Nozzle Velocity

    Calculate jet velocity through bit nozzles for drilling hydraulics optimization and hole cleaning analysis.

    Pressure Loss

    Calculate pressure loss and friction pressure in pipes using flow rate, diameter, and fluid properties with Darcy-Weisbach equation.

    Pump Horsepower

    Calculate hydraulic horsepower (HHP) required for mud pumps based on flow rate and discharge pressure.

    Pump Output

    Calculate pump output and stroke volume for triplex and duplex mud pumps with efficiency factors and multiple unit support.

    Standpipe Pressure

    Estimate standpipe pressure from flow rate, pump efficiency, and system pressure losses for drilling hydraulics optimization.

    Surge & Swab

    Estimate surge and swab pressures while tripping pipe in or out of hole. Calculate effective velocity and ECD for wellbore stability.

    13 calculators available in this category

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