• Torque & Drag
  • Hydraulics & Hole Cleaning
  • Survey Correction
  • BHA Analysis & SAG Correction
  • Magnetic Interference Calculator
  • Casing Standoff & Centralizer Spacing
  • Jar Placement
  • Cementing
  • Casing Design
  • Well Control
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Innova Engineering is a powerful drilling software application designed to aid Operators and Service Company’s deal with the challenges todays drilling industry presents. From the onshore drilling engineering team to the well placement specialists on the rig, Innova Engineering provides a complete solution in one simple and easy to use package.
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Torque & Drag

  • Latest soft string model with stiffness correction factor
  • Model Viscous Drag, additional side force due to buckling & Contact Surface Correction
  • Conservative (Unloading) & Standard (Loading) buckling Models
  • Calculate T&D for multiple rig operations simultaneously Tripping In / Out, Rotating On / Off Bottom, Sliding and Reaming
  • Ability to model for both pumps on and pumps off and account for string differential pressure
  • Calculate Sinusoidal and Helical buckling limits
  • Full support for casing, liner, tubing & drilling assemblies
  • Full support for complex 3D directional wells
  • Friction factor sensitivity analysis for unlimited number of friction factors, or single calculation
  • Models casing flotation / drill string fill
  • Model effects of bow spring centralizers on torque and drag
  • Friction reduction devices (Non-rotating drill pipe protectors) can be modelled
  • Calculates expected pipe stretch and torque induced pipe twist
  • Elemental (snapshot) view available for all calculations
  • Calculate side forces & casing wear for all operations
  • Drill string fatigue prediction
  • Real time data can be modelled & displayed alongside the calculated data in order to back calculate real time friction factor
  • Actual and apparent WOB and overpull calculations, visualize how much overpull / WOB is experienced at the bit for a given value seen at surface. Useful for determining trip / overpull margins and for setting packers & liner hangers
  • Casing Standoff & Centralizer Spacing Calculation. Use to optimise standoff and achieve proper zonal isolation
  • Ability to model expandable liners including max pull, pull at cone, expected expansion hookload as well as outer & inner string running loads
  • Ability to model different materials such as Aluminium, Titanium as well as steel
  • Ability to model Air Drilling
  • Option to select the fluid level in the wellbore

Hydraulics & Hole Cleaning

  • Support for multiple hydraulic models:
    • Bingham Plastic
    • Power Law
    • Herschel Bulkley
    • Robertson Stiff
  • Calculated Outputs:
    • Standpipe Pressures
    • ECD: cuttings loaded and clean hole
    • Surge and Swab
  • Complete set of hole cleaning outputs:
    • Annular Velocity Profile
    • Cuttings Carrying Index (CCI)
    • Cuttings %
    • Minimum Flowrate required for good hole cleaning (sensitivity analysis for ROP)
  • Options for single calculation or sensitivity analysis for unlimited number of flowrates and tripping speeds simultaneously
  • Full support for riser-less / dual gradient drilling
  • Split flow modelling for complex BHAs with multiple hole openers / under reamers / circulating subs
  • Incorporate data gathered at the well site into the hydraulics model and overlay the real-world data and the theoretical hydraulics model
  • Enter multiple pore pressures & fracture gradients and plot against modelled data
  • Surge and swab calculations can be calculated for any reference:
    • Bit
    • Casing Shoe
    • Bottom Hole
    • Any User Defined depth
  • Surge and swab model can also include the effects of pipe acceleration, gel strength, coil tubing operations such as continuous tripping and continuous circulation
  • Model the effect of stabilisers and casing centralisers
  • Quick bit hydraulics calculator, determine bit pressure losses and impact force without having to setup a complete project
  • Pump Pressure Safety Factor: Option to allow the user to increase the SPP by a specified percentage
  • Ability to model air drilling
  • Ability to apply a back pressure for MPD operations
  • Ability to include additional riser boost flow rate

Survey Correction

  • Correct raw MWD surveys for Z axis magnetic interference with latest short collar correction algorithm
  • QC raw MWD surveys for G total, B total and SCC with user definable limits
  • Well path magnetic interference analysis, calculate the expected error in azimuth for a given amount of non mag spacing. Fully supports intermediate steel above and below the MWD sensor or both
  • Multi Station Analysis (MSA) can be used to calculate an optimal bias and scale factor for XYZ magnetometers and accelerometers
  • No need to enter a separate BHA for magnetic interference or SAG correction. All calculations can be done from one BHA which greatly simplifies data entry.
  • Option to include inclination weighting on least squares fit (LSQ) calculation
  • Optimise the non mag spacing requirements and determine the best survey correction method for a give well trajectory / BHA
  • Full support for the following Survey Calculation Methods:
    • Minimum Curvature
    • Radius of Curvature
    • Tangential
    • Balanced Tangential
  • Supports survey interpolation for both MD and TVD, results can be exported to text or Excel
  • Produce fully customisable plots for both section and plan views and overlay well plan and actual surveys on one chart
  • QC raw MWD surveys for G total, B total and magnetic dip with user definable limits

BHA Analysis & SAG Correction

  • Survey SAG correction algorithm, to correct survey inclinations for BHA deflections
  • Can model bent motors and rotary steerable systems
  • Rotary BHA modelling to aid in build / walk rate predictions (equilibrium rate)
  • Predicted build / walk Rate for Sliding based on motor bend, hole size and Bit Formation Index
  • Predicated build / walk rates for both push and point the bit rotary steerable systems
  • Take in to account bit aggressiveness and bit type (PDC, rollercone)
  • Vibration analysis calculates Critical RPM

Magnetic Interference Calculator

  • BHA magnetic Interference Calculator Module
  • Well path magnetic interference analysis; calculate the expected error in azimuth for a given amount of non-mag spacing. Fully supports intermediate steel above and below the MWD sensor or both
  • Calculate non-magnetic spacing requirements and azimuth error for any well trajectory and BHA configuration

Casing Standoff & Centralizer Spacing

  • Model rigid and bow spring centralizers
  • Automatically optimize centralizer placement based on a desired standoff value
  • Calculate deflection at centralisers and mid joint
  • Ability to model bow spring running and restoring forces
  • Model the additional side force created by the compression of bow spring centralizers
  • One click standoff summary report, including tabulated results accompanied by standoff, side forces and hookload charts

Jar Placement

  • Calculates neutral point road map which shows WOB to avoid at every depth along the well path
  • Calculates pump open force
  • Model the impact / impulse of all types of jars, accelerators & intensifiers
  • Optimize the hammer length / jar type to maximize impulse / impact
  • Calculates weight above and below jar when vertical in air and mud
  • Calculates weight above and below jar at bottom hole location in air and mud


  • Cementing Schematic Animation gives a visual representation of the well geometry, string and fluids at any given stage in the cement job
  • Calculate annular pressure, equivalent circulating density and pump pressure during cementing operations
  • User definable Pumping Schedule
  • Ability to model calculations with inner string
  • Select from Bingham, Power Law, Herschel Bulkley or Robertson Stiff Hydraulics Models
  • Calculate capacities and displacements
  • Calculate Top Down, Bottoms up and Full Circulation times

Casing Design

  • Accurately determine casing setting depths, using Bottoms Up or Top Down analysis, allowing the user to determine viable casing and wellbore schemes
  • Enables quick, systematic, and accurate valuation of casing wear limit
  • Automatically create the minimum cost design
  • Provides comprehensive tri-axial and working-stress design for burst, collapse, and axial installation
  • Provides service-life loads to maximize the use of the most cost-effective casing for each specific situation

Well Control

  • Determine kick tolerance and perform sensitivity analysis to show how the kick tolerance changes throughout the section and the effect of mud weight changes
  • Calculate MASP, MAASP in order to determine surface pressure control equipment requirements
  • Quickly determine required kill mud weight and pumping schedule to kill the well
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