ENGINEERING
Through our worldwide expertise and our industry leading well engineering software, we provide:
Comprehensive Well Path Planning
Full range of easy to use 2D & 3D well planning methods including:
 Dogleg Tool Face
 Build and Turn
 Optimum Align using CurveHoldCurve or CurveCurv
 Line up on Target at specified inc / azi,
 One click SWell and Slant Well construction
 Supports multiple target geometries including:
 Simple 2D circular and Elliptical
 Point & Rectangular
 Complex 3D multi point Polygonal
 Create Drillers Targets based on error models, well trajectory & required confidence
 Supports advanced well planning for all applications; from simple vertical exploration wells to complex multilaterals
AntiCollision Analysis
 Perform anticollision scans using industry leading proximity detection algorithms
 Calculate ellipse of uncertainty (EOU) using full range of ISCWSA MWD and Gyro error models
 Error outputs and Centre to Centre distances validated against ISCWSA standard well paths to < 0.1% error
 Anticollision scans can be run interactively during planning and drilling phases on multiple actual wells / plans
 User defined warning criteria and alerts can be set to notify of potential collision risk
 Casing and hole diameters can be included in separation factor calculation in order to increase accuracy. Especially important for top hole drilling with large diameter surface casing.
 Ability to create custom Instrument Performance Models (IPM)
 Error output sigma level can be selected by the user
 Advanced anticollision visualisation tools available including:
 Ladder Plot
 Separation Factor Plot
 Travelling Cylinder Plot
Wellbore Visualization
 Fully customisable, advanced and powerful 3D plotting capability
 Plan View (Top Down) Plot
 Section View (Side On) Plot

 3D Plot
 Spider Plot with interactive TVD slice control
 Azimuth Comparison Plot (Azimuth vs MD)
 Inclination Comparison Plot (Inclination vs MD)
 Dogleg Comparison Plot (Dogleg vs MD)
 Print directly to multiple image formats including PDF / jpg / bmp / png.
 Copy directly to clipboard allowing images to be quickly added to word, excel & PowerPoint documents
 Wall Plot Composer (WPC) allows the user to create customisable wall plots which can include data tables.
 Predefined plot sizes range from A0 to A7 with a user defined option also available.
Geomagnetic Modelling
 Includes World Magnetic Model (WMM) and International Geomagnetic Reference Field (IGRF) model as standard
 Supports British Geological Survey Global Geomagnetic Model (BGGM)*
 Supports High Definition Geomagnetic Model (HDGM)**
 available only to full HDGM license holders
Reporting
 User defined reports include:
 Standard Survey reports
 Geographic Survey reports
 AntiCollision reports
 Ellipse of uncertainty (EOU) reports
 Exports to fully customisable PDF and Excel reports
Additional UI Features
 Copy & Paste – Very quick and easy to add large surveys to the software – copy and paste directly from excel or txt files
 Export files can be generated quickly at any level on the database tree
 Quick and easy to create and switch between new databases
Torque and Drag Analysis
 Latest soft string model with stiffness correction factor
 Model Viscous Drag, additional side force due to buckling & Contact Surface Correction
 Conservative (Unloading) & Standard (Loading) Helical 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
 Friction reduction devices (Nonrotating 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 determine 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
 Model the effect of casing centralisers / stabilisers
Hydraulics Analysis
 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 riserless / 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 realworld 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
Survey Correction Module
 Correct raw MWD surveys for Z axis magnetic interference with latest short collar correction (SCC) algorithm
 QC raw MWD surveys for G total, B total and SCC with user definable limits
 Multi Station Analysis (MSA) can be used to calculate an optimal bias and scale factor for XYZ magnetometers and accelerometers
 Option to include inclination weighting on least squares fit (LSQ) calculation
 Well path magnetic interference analysis; calculate the expected error in azimuth for a given amount of nonmag spacing. Fully supports intermediate steel above and below the MWD sensor or both
 Optimise the nonmag spacing requirements and determine the best survey correction method for a given 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
SAG Correction & BHA Analysis
 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