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Appendix E – Drill String Editor Component Properties

E1 - Bit

If a bit is selected it MUST always be the first component and cannot be moved from the first row.
  • SN – Serial number plays no part in any calculations
  • Connection Top – plays no part in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Bit Type - Drop down menu (PDC or Tricone) - plays no part in any calculations
  • Grade In – Bit grade prior to running in hole plays no part in any calculations
  • Grade Out - Bit grade post run plays no part in any calculations
  • Gauge OD – Gauge OD plays no part in any calculations
  • TFA – Click on the cell to bring up the jets dialog. The details of the bit jets and / or the TFA can be entered by typing in the jet details in to the grid or the fixed TFA in to the edit box. Additional bit hydraulics values can be calculated by entering the flow rate, mud weight and bit size in the Parameters section
  • Formation Index (0-1) - Models the tendency of the bit to walk. 0 will model no walk, while 1 models a very aggressive bit with high walk tendencies. Used in BHA analysis calculations. For tri-cone bits, a BFI range of 0 to 0.3 is typical, while for more aggressive PDC bits 0.2 to 0.5 (or higher) can be modelled
    1. 1.
      Build Up Rate (BUR) = DLS * Cos (BFI)
    2. 2.
      Walk Rate (WR) = DLS * Sin (BFI)
  • Bit # - Bit number for the well plays no part in any calculations
  • Drilling Hours – Drilling hours for the run. This is not auto-populated from the DDR and should be input by the user. This cell plays no part in any calculations
  • Make - Bit make plays no part in any calculations
  • Model – Bit model plays no part in any calculations
  • Circ Hours – Circulating hours for the run. This is not auto-populated from the DDR and should be input by the user. This cell plays no part in any calculations

E2 - Hole Opener

  • SN – Serial number plays no part in any calculations
  • Connection Top – plays no part in any calculation
  • Connection Bottom – plays no part in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Grade In – Bit grade prior to running in hole plays no part in any calculations
  • Grade Out - Bit grade post run plays no part in any calculations
  • Gauge OD – Gauge OD plays no part in any calculations
  • TFA – Click on the cell to bring up the jets dialog. The details of the bit jets and / or the TFA can be entered by typing in the jet details in to the grid or the fixed TFA in to the edit box. Additional bit hydraulics values can be calculated by entering the flow rate, mud weight and bit size in the Parameters section
  • Drilling Hours – Drilling hours for the run. This is not auto-populated from the DDR and should be input by the user. This cell plays no part in any calculations
  • Make - Bit make plays no part in any calculations
  • Model – Bit model plays no part in any calculations
  • Circ Hours – Circulating hours for the run. This is not auto-populated from the DDR and should be input by the user. This cell plays no part in any calculations
  • Fish Neck – Fish neck length when entered is included in the printed BHA report
  • Fish Neck OD – Fish neck OD when entered is included in the printed BHA report

E3 - Circ Sub

Same properties as a hole opener excluding Grade In, Grade Out, Gauge OD, Drilling Hours and Circ Hours – see above

E4 - Cross Over (X/O)

  • SN – Serial Number plays no part in any calculation
  • Connection Top – Plays no part in any calculation
  • Connection Bottom – Plays no part in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Fish Neck – Fish neck length when entered is included in the printed BHA report
  • Fish Neck OD – Fish neck OD when entered is included in the printed BHA report

E5 - RSS – Rotary Steerable system

  • SN – Serial number plays no part in any calculation
  • Connection Top – not used in any calculation
  • Connection Bottom – not used in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Pressure drop – enter the pressure drop across the tool if any, used in hydraulics and T&D calculations
  • Arm OD – if the tool has a stabiliser enter its OD, used in Engineering
  • Arm Blade Width - if the tool has a stabiliser enter its blade width, used in Engineering
  • Arm Blade Length (in) - if the tool has a stabiliser enter its blade length, used in Engineering
  • Arm Distance From Bottom – If the tool has a stabiliser enter the distance from the bottom of the tool to the start of the stabiliser blade section. Used in Engineering
  • Stab Blade Count – The number of blades on the stabiliser. Not used in any calculation
  • Motor Yield – The theoretical maximum dls capability of the tool. This is used in the BHA analysis BUR calculation
  • RSS Force Setting – This is used in the BHA analysis BUR calculation. This will give an effective BUR based on the max dogleg capability entered above
  • NB Inc Offset – Near bit inclination offset when entered is included in the printed BHA report
  • NB Azi Offset – Near bit azimuth offset when entered is included in the printed BHA report
  • NB Gamma Offset – Near bit gamma ray offset when entered is included in the printed BHA report
  • Make – Make plays no part in any calculations
  • Model – Model plays no part in any calculations
  • Fish Neck – Fish neck length when entered is included in the printed BHA report
  • Fish Neck OD – Fish neck OD when entered is included in the printed BHA report

E6 - MWD / LWD

Same properties as RSS, excluding the Motor Yield and RSS Force Setting, with additional:
  • Survey Offset:
  • Gamma Offset:
  • PWD Offset – Pressure whilst drilling offset when entered is included in the printed BHA report
  • Res Offset – Resistivity offset when entered is included in the printed BHA report
  • Density Offset - Density offset when entered is included in the printed BHA report
  • Neutron Offset – Neutron offset when entered is included in the printed BHA report
  • Sonic Offset – Sonic offset when entered is included in the printed BHA report
  • Gyro Offset - Gyro offset when entered is included in the printed BHA report
  • Formation Tester Offset – Formation tester offset when entered is included in the printed BHA report
  • NB Gamma Offset:
  • MWD Type:
  • Pulser Type:
  • Pulser SN:
  • Pulser Driver Probe SN:
  • Battery #1 Probe SN:
  • Battery #2 Probe SN:
  • Battery #3 Probe SN:
  • Gamma Probe SN:
  • Directional Probe SN:
  • EM Probe SN:
  • Poppet:
  • Orifice:

E7 - Motor

  • SN – Serial number plays no part in any calculation
  • Connection Top – not used in any calculation
  • Connection Bottom – not used in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Pressure drop – enter the pressure drop across the tool if any, used in hydraulics and T&D calculations
  • Stab OD – if the tool has a stabiliser enter its OD, used in Engineering
  • Stab Blade Width - if the tool has a stabiliser enter its blade width, used in Engineering
  • Stab Blade Length (in) - if the tool has a stabiliser enter its blade length, used in Engineering
  • Stab Distance From Bottom – If the tool has a stabiliser enter the distance from the bottom of the tool to the start of the stabiliser blade section. Used in Engineering
  • Stab Blade Count – The number of blades on the stabiliser. Not used in any calculation
  • Motor Yield – The theoretical maximum dls capability of the tool. This is used in the BHA analysis BUR calculation
  • Bit to Bend – This is used in the BHA analysis BUR calculation. This will give an effective BUR based on the bend angle entered above
  • Bend Angle – The bend setting on the motor. Used to calculate the theoretical maximum dls capability of the tool. This is used in the BHA analysis BUR calculation
  • Has Float – Yes or no. Float type can be input here if installed
  • Avg Differential Pressure – The expected differential pressure to be run across the motor. Used in hydraulics and T&D calculations
  • Rev/l – Revolutions of the bit per litre of fluid pumped through the tool. Used in the RPM Downhole calculation in Daily Reporting
  • Make - Make plays no part in any calculations
  • Model – Model plays no part in any calculations
  • Housing Type – Housing type plays no part in any calculations
  • Lobes – Lobes plays no part in any calculations
  • Stages – Stages plays no part in any calculations
  • Max Torque – Max torque limit
  • Max Diff Pressure – Maximum differential pressure limit
  • Max Flow – Maximum flow rate limit
  • Kickpad OD – Kickpad outer diameter
  • Fish Neck – Fish neck length when entered is included in the printed BHA report
  • Fish Neck OD – Fish neck OD when entered is included in the printed BHA report
  • Bearing Gap – Measured bearing gap of the motor plays no part in any calculations

E8 - Turbine

Same properties as Motor, excluding Has Float, Housing Type, Lobes, Stages, Max Torque, Max Differential Pressure, Max Flow, Kickpad OD and Bearing Gap.

E9 - Stabiliser

  • SN – Serial number plays no part in any calculation
  • Connection Top – not used in any calculation
  • Connection Bottom – not used in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Stab OD – OD of the stabiliser blades, used in Engineering
  • Stab Blade Width - Blade width in inches, used in Engineering
  • Stab Blade Length (in) - Blade length in inches, used in Engineering
  • Stab Dist From Btm –Distance from the bottom of the tool to the start of the stabiliser blade section. used in Engineering
  • Stab Blade Count – The number of blades on the stabiliser. Not used in any calculation
  • Fish Neck – Fish neck length when entered is included in the printed BHA report
  • Fish Neck OD – Fish neck OD when entered is included in the printed BHA report

E10 - Drill Collar

Same properties as a X/O

E11 - Drill Pipe / HWDP

  • SN – Serial number plays no part in any calculation
  • Connection Top – not used in any calculation
  • Connection Bottom – not used in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Burst Pressure – The Burst pressure of the pipe
  • Collapse Pressure – The collapse pressure of the pipe
  • Material Name – Steel or Aluminium, chosen from a dropdown menu. This selection changes the Youngs Modulus of the pipe and effects buckling
  • Material Strength – Strength of material in units of pressure. Automatically populated from the Material Grades Catalogue entry when the Grade is selected
  • Pipe Class – Choose from the dropdown menu in the cell – New, Premium, Class 1 & Class 2 – This adjusts the wall thickness for T&D calculations and has an effect on hookloads and buckling calculations in Engineering
  • Internal Fluid Weight – This is the weight of fluid inside the pipe and is used for floating casing. If no value is entered the program assumes the pipe is filled with mud as per the fluid properties. If zero is entered, the program assumes there is NO fluid. If the fluid inside is a different weight from the mud weight in the fluid properties, enter the weight in ppg
  • FF Reduction (%) - if friction reduction subs are run in this interval then enter the % reduction in torque and drag (from manufacturers spec). Note if torque reduction subs are only run over a set interval the drill pipe must be entered in separate sections and the section with the friction reduction subs specified
  • Grade – Material grade selected from drop-down menu. All grades present in the drop-down menu are entries in the Material Grades Catalogue
  • Drill Pipe Range – Select from Range 2 or 3. Indicative or approximate single length

E12 - Jar

  • SN – Serial Number plays no part in any calculation
  • Connection Top – Plays no part in any calculation
  • Connection Bottom – Plays no part in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Latch Up – The latch up setting for Mechanical or Hydro-mechanical Jars – Plays no part in any calculation
  • Latch Down – The latch down setting for Mechanical or Hydro-mechanical Jars – Plays no part in any calculation
  • Impulse – the change in momentum during the impact phase, measured by the area under the load versus time curve – Plays no part in any calculation
  • Make - Make plays no part in any calculations
  • Model – Model plays no part in any calculations
  • Fish Neck – Fish neck length when entered is included in the printed BHA report
  • Fish Neck OD – Fish neck OD when entered is included in the printed BHA report

E13 - Accelerator

Same properties as Jar, excluding Latch Up, Latch Down and Impulse

E14 - Sub

  • SN – Serial Number plays no part in any calculation
  • Connection Top – Plays no part in any calculation
  • Connection Bottom – Plays no part in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Has float – YES / NO not used in any calculation
  • Fish Neck – Fish neck length when entered is included in the printed BHA report
  • Fish Neck OD – Fish neck OD when entered is included in the printed BHA report

E15 - Liner

  • Connection Top – Plays no part in any calculation
  • Connection Bottom – Plays no part in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Burst Pressure – The Burst pressure of the pipe in psi.
  • Collapse Pressure – The collapse pressure of the pipe in psi.
  • Material Strength – Strength of material in units of pressure. Automatically populated from the Material Grades Catalogue entry when the Grade is selected
  • Cent OD – the OD of the centralisers, if bow spring type simply enter the ID of the hole
  • Cent Blade Width – width of 1 blade of the centraliser in inches
  • Cent Blade Length – the length of a single centraliser in inches
  • Cent Blade Count – number of blades on centraliser
  • Internal Fluid Wt – This is the weight of fluid inside the liner, and is used for floating casing. If no value is entered the program assumes the pipe is filled with mud as per the fluid properties. If zero is entered, the program assumes there is NO fluid. If the fluid inside is a different weight from the mud weight in the fluid properties, enter the weight in ppg.
  • Float TFA – enter the TFA of the float or shoe, this is used for surge and swab calculations. Clicking on the cell brings up the jets dialog
  • Cent Spacing – number of centralisers over the interval – note if centralisers are only run across a certain interval then the liner should be entered as separate sections in the string. This is used for hydraulics and torque and drag calculations
  • Bow Spring Restore Force - Force exerted by a centralizer against the casing to keep it away from the wellbore wall
  • Grade – Material grade selected from drop-down menu. All grades present in the drop-down menu are entries in the Material Grades Catalogue

E16 - Casing / Tubing

Same properties as liner

E17 - Agitator

  • SN – Serial Number plays no part in any calculation
  • Connection Top – Plays no part in any calculation
  • Connection Bottom – Plays no part in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Pressure Drop – enter the pressure drop across the tool if any, used in hydraulics and T&D calculations
  • FF Reduction (%) – The percentage reduction in the slack off friction factor because of the agitator’s inclusion in the string. This is factored into the T&D calculations for Tripping In, Slide Drilling and Rotating on Bottom operations.
  • Make – Plays no part in any calculation
  • Model – Plays no part in any calculation
  • Fish Neck – Fish neck length when entered is included in the printed BHA report
  • Fish Neck OD – Fish neck OD when entered is included in the printed BHA report

E18 - Reamer

  • SN – Serial Number plays no part in any calculation
  • Connection Top – Plays no part in any calculation
  • Connection Bottom – Plays no part in any calculation
  • Tensile Yield – The tensile yield of the component. This value is displayed on the charts if selected
  • Torsional Yield – The torsional yield of the component. This value can be displayed on the charts if selected
  • Arm OD - OD of the Reamer Arm, used for SAG calculations and hydraulics
  • Arm Blade Width - Arm width in inches, used for hydraulics calculations
  • Arm Blade Length - Arm length in inches, used for SAG calculations and hydraulics
  • Arm Distance from Bottom - Distance from the bottom of the tool to the start of the Reamer Arm section. Enter in the depth units selected from the units menu. Used for SAG calculations
  • Arm Blade Count - The number of arms on the reamer. Not used in any calculation
  • Make – Plays no part in any calculation
  • Model – Plays no part in any calculation
  • Fish Neck – Fish neck length when entered is included in the printed BHA report
  • Fish Neck OD – Fish neck OD when entered is included in the printed BHA report
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Appendix D – Error Model Description
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Appendix F–Slide Sheet Column Options
Last modified 2yr ago