Coil Tubing Chart

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.”

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