• October 6, 2020 - October 7, 2020
    8:00 am - 12:00 pm
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David Willoughby will present this 1.5 -day, “Horizontal Directional Drilling – Coverage of HDD for Utility and Pipeline Application” Training as a live webinar on October 6, 7, 2020.

This training has the minimum required to hold the class. Further information to be provided upon registration


The Horizontal Directional Drilling webinar is offered as a 1.5 -day webinar that covers Horizontal Directional Drilling (HDD) feasibility analysis and design. This webinar provides technical information on HDD equipment, design, product pipe stress analysis, and construction techniques. The course is geared to provide the student with a thorough knowledge of the HDD basics and transition to an in-depth overview of HDD feasibility and design.

A key aspect of HDD design is determining if crossing an obstacle by HDD is technically feasible.  That is, can the proposed crossing be installed using today’s tools and techniques? Technical feasibility is demonstrated primarily by comparing the proposed crossing with previously completed installations. There are many factors to consider when evaluating the technical feasibility of a HDD project. Conducting a site survey, usually the first step, is important for all HDD projects and is a significant part of the HDD site characterization. The site survey should include both surface and some level of subsurface investigations. This webinar will cover the basic tasks from a site survey. We will discuss information related to the surface and subsurface feasibility concerns. We will discuss how existing features, both natural and man-made, can impact the way an HDD crossing is configured. We will discuss how the subsurface conditions can impact the various phases of the HDD construction. We will look at the key characteristics such as earth material types, stratification, and groundwater conditions. Also included are the various aspects of the site’s surface such as the topographic/hydrographic relief and the presence of human activities.

Due to an increasing focus on minimizing environmental impact, it has become standard practice in the HDD industry to evaluate the potential for drilling fluid to inadvertently flow to the surface due to hydro fracture. We discuss methods for evaluating the risk of inadvertent returns due to hydro fracture by comparing the confining capacity of the soils overlying the drilled path to the annular pressure necessary to conduct HDD operations. The course focus will be on HDD with steel and plastic pipelines. The webinar includes design calculations with examples.

Course Outline

HDD Basics

HDD Equipment & Tracking

Subsurface Conditions

Borehole Stability

HDD Feasibility

HDD Design

Steel Pipe Stress Analysis

Plastic Pipe Stress

HDD Workshop & Examples

 PDHs Available

12 PDHs available with Certificate of Completion

Who Should Attend

–Pipeline engineers
–Utility engineers
–Consulting engineers
–Any other technical individuals with the responsibility of managing, operating or maintaining pipeline, trunk or distribution systems


Webinar Feedback

4.7 Out of 5 Stars – Verbal Presentation
5.0 Out of 5 Stars – Technical Scope

“This webinar was very informative and in my opinion, a good value.”
“I really enjoyed the content of the presentation. There was a lot of information, but I didn’t feel overwhelmed  by it.”
“Good mastery of material and delivery of content.”
“Great instructor. Enjoyed the class”
“…the presentation was very well put together and presented in a way that made it easy to understand.”
“Great class.”
“This was one of the most useful technical classes that I have attended. I think the knowledge that I have gained from the class will help us reduce some of the risks in our future HDDs.”
“David is an excellent speaker/presenter, extremely informative.”
“Thanks so much for putting on a great training session. The course was very informative, and I’ve gotten many positive comments from folks who attended.”
“Overall, this is one of the best courses I have ever attended.”
“I really enjoyed the content of the presentation. There was a lot of information, but I didn’t feel overwhelmed by it.”

12 PDHs with Certificate of Completion
Materials sent to attendees electronically
Short breaks and a one hour break for lunch

By registering for this webinar, registrants, and attendees agree not to make any video or audio records of the event. Neither Technical Toolboxes, the instructors, or other attendees give consent to the recording of our live webinars by attendees or registrants.


David Willoughby, RKK Director, Energy & Corrosion (ret)

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. Mr. Willoughby is the author of several articles and two books published by McGraw-Hill; Plastic Piping Handbook, 2002 and Horizontal Directional Drilling, 2005.

Mr. Willoughby provides HDD training to the pipeline and utility industries. He has presented HDD training to the engineering workshop at N.C. Utilities Commission Office of Pipeline Safety Conference, 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.

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