Coiled Tubing

Coiled Tubing Slide Rule

Features

Determines:

  • Completion Volume (bbl/ft)
  • Annular Volume (bbl/ft)
  • Nitrogen Column Pressure Ratio and Volume (cuft/bbl)
  • Coiled Tubing Specifications including Weight (lb/ft), Yield (lb), Hydro Test Pressure (psig)
  • Snub Force (lb)

“Based on slide rulers developed by major coiled tubing service providers.”

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Uses

  • Circulation or deliquification
  • Chemical washes
  • Fishing lost tools
  • Milling operations
  • Deploying and retrieving down-hole equipment

Used By

  • Tool Operators and Supervisors
  • Coil Operators and Supervisors
  • Drilling Rig Operators and Supervisors
  • Workover Rig Operators and Supervisors
  • Overhead Rig Operators and Supervisors
  • Oil Company Representatives

Flow Volumes

Determines:

  • Completion Volume (bbl/ft)
  • Annular Volume (bbl/ft)

Used to Calculate:

  • Annular Velocity (AV)
  • Bottoms Up Time
  • Volume of Fluid to Surface

Ranges:
Casing Size - 4 1/2 to 9 5/8 “
Tubing Size - 2 3/8 to 3 1/2 “
Internal / Drill Pipe Size - 2 3/8 to 3 1/2 “
Coiled Tubing Outer Diameter - 1 to 2 7/8 “

Pressure Ratios

Determines:

  • Pressure Ratio for a Column of Nitrogen

Used to Calculate:

  • Bottom Hole Pressure for a Column of Nitrogen

Ranges:
Well Depth - 1000 to 15000 ft

Nitrogen Factors

Determines:

  • Cubic Feet of Nitrogen per Barrel of Space (cuft/bbl)

Ranges:
Pressure - 100 to 10000 psia
Temperature - 80 to 200 degrees F

Coiled Tubing Specifications

Determines:

  • Weight (lb/ft)
  • Yield (lb)
  • Hydro Test Pressure (psig)

Used to Calculate:

  • Fatigue
  • Tensile Strength

Ranges:
Coiled Tubing Size - 1 to 2 7/8”
Coiled Tubing Grade - 70 to 100 Grade

Snub Forces

Determines:

  • Snub Force (lb)

Ranges:
Coiled Tubing Size - 1 to 2 7/8”
Wellhead Pressure - 500 to 15000 psia

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