Pipeline Engineering

HDD Installation and Operational Stress Analysis - STEEL PIPE

This tool was developed based upon the design method contained in "Pipeline Design for Installation by Horizontal Directional Drilling" published by the American Society of Civil Engineers (ASCE).

Imperial Metric

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SECTION VIEW

Normal Path

Compound Bend

Key Points

HDD Path Geometry

Entrance Point Elevation (y0)

Entrance Point Stationing (x0)

Entry Angle (α)

Degree

Entry Radius of Curvature (R1)

Depth of Pipe at Horizontal Section (H)

Exit Angle (β)

Degree

Exit Radius of Curvature (R2)

Exit Point Elevation (y5)

Exit Point Stationing (x5)

HDD Length

Design HDD Profile

Design Parameters

Pipe Nominal Size (NPS) Select "Custom" for manual pipe OD and wall thickness inputs.

Schedule Select "Custom" from "Pipe Nominal Size" above for manual pipe OD and wall thickness inputs.

Pipe Grade

Specified Minimum Yield Strength (SMYS)

psi

Young's Modulus of Steel Pipe, E

ksi

Coefficient of Soil Friction, μ_soil

Fluid Drag Coefficient, μ_mud

psi

Density of Ballast

lb/ft³

Density of Drilling Fluid

lbs/gal

Maximum Allowable Operation Pressure (MAOP)

psi

Installation Temperature

°F

Operating Temperature

°F

Analysis of Pullback Loads

Analysis of Installation Loads and Stresses

Analysis of Operational Stresses

Tick the box to set default allowable values

PipeEng

HDD Installation and Operational Stress Analysis - STEEL PIPE

PLAN VIEW

SECTION VIEW