Product Pipe Pullback Loads & Stress Analysis
For HDD

  • Author: Technical Toolbox
  • Level: Advanced
  • Study time: 2 hours
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This self-paced course introduces the students to the methods for determining and analyzing the pullback loads and pipeline stress during HDD construction.


  • Video time: 2 hours
  • Exams: 1

David Willoughby

Content SME for Horizontal Directional Drilling
ABOUT DAVID
Mr. Willoughby has 40 years of experience in engineering, pipeline design, corrosion control, and management in the petroleum and utilities pipeline industry. His experience includes gas transmission and distribution systems, petroleum facilities, and water/sewer pipelines from conception through design, construction and testing, economic evaluation, and project field supervision.
Mr. Willoughby has been responsible for the design, permitting, inspection, and construction administration of numerous horizontal directional drills (HDD) on pipeline projects.
He is the author of several articles and two books published by McGraw-Hill, The Plastic Piping Handbook (2002) and Horizontal Directional Drilling (2005).
Mr. Willoughby provides HDD training to the pipeline and utility industries. He has presented at the engineering workshop at N.C. Utilities Commission Office of the Pipeline Safety Conference and the Southern Gas Association Annual Conference.
Mr. Willoughby’s HDD training is used to provide Professional Development Hours (PDU) for professional engineers in many states, including Texas.