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  1. Home
  2. Directional Drilling

Directional Drilling

Directional drilling, also known as horizontal directional drilling (HDD), is a minimally invasive trenchless method of installing underground utilities such as pipe, conduit or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig.

Vector Magnetics The Nuts and Bolts of HDD Guidance
Jed Sheckler and Michael Rybak
December 29, 2023
Read Article
Directional Drilling HDD crossing
HDD Engineering: The Nuance of Designing Complex HDD Crossings
December 26, 2023
Canada Stantec HDD Design Direct Horizontal aerial
Optimizing Complex HDD Design and Overcoming Subsurface Challenges
December 14, 2023
Directional Drilling PVC pipe is the Solution for More Resilient Wastewater System Reconstruction After Major Hurricane
Segmental PVC Pipe Supports Solution for More Resilient Wastewater System Reconstruction After Major Hurricane
November 28, 2023
Directional Drilling HDD solids
Mastering Solids Control: A Vital Element in Modern Horizontal Directional Drilling
November 27, 2023
Pipe Inspection/Evaluation Project managers at Ground Penetrating Radar Systems LLC (GPRS) use electromagnetic (EM) locators
Video Pipe Inspection & Sewer Line Mapping to Prevent Cross...

The City of Fremont, California, is the fourth-largest city in the San Francisco Bay Area at 88.46 square miles. It was ...

November 22, 2023
Directional Drilling fluid cleaning system
Fluid Cleaning Systems can Keep Equipment, Crews Running at Peak...

A fluid cleaning system allows operators to increase fluid velocity, suspending solids in the fluid and be removed from...

October 26, 2023
Directional Drilling above ground power lines
HDD Locating Technology Critical to Project Success

With a total bore length of roughly 1,200 ft, we would see an elevation gain of about 20 and a total elevation loss of a...

October 23, 2023
Features Ed Malzahn
Trenchless Pioneers: Ed Malzahn

Trenchless Pioneers is a special monthly series sharing with readers the trailblazers who grew and expanded the trenchle...

October 20, 2023
Directional Drilling Installers skillfully bored a nearly mile-long path underground
Installing a New Water Main Below the Intracoastal Waterway

How contractors installed a mile-long steel water transmission main beneath a sensitive South Carolina wetland....

October 18, 2023
Directional Drilling HDD for GCRTA project
HDD Integral to GCRTA Waterfront Line Bridge Repair Work

A pit-launch HDD was integral to the repair of the GCRTA's Waterfront Line....

October 12, 2023
Project of the Year Golden Ears Force Main
2023 Trenchless Technology Project of the Year New Installation Runner...

The overall scale of the project pushed the respective trenchless technologies to their ultimate capacities....

October 9, 2023
Project of the Year Reclaimed Water Transmission Main - Caloosahatchee River Crossing
2023 Trenchless Technology Project of the Year New Installation Honorable...

This project included a record-length HDD installation of a single 7,630-lf fusible PVC pipeline drilled across the Calo...

October 5, 2023
Directional Drilling Mears HDD under air force base runway
Horizontal Directional Drilling Beneath the Tinker Air Force Base Runway

Tinker Air Force Base, in Midwest City, Oklahoma, was built in 1941 and named in honor of Maj. Gen. Clarence L. Tinker o...

September 29, 2023
Canada HDD gold exploration in Quebec
Trenchless and the Search for Gold – Beauce Gold Fields...

When it comes to horizontal directional drilling (HDD), typical projects focus on sewer, water, fibre, oil, gas and elec...

September 22, 2023
Directional Drilling Schuykill River crossing
Crossing the Schuykill River via HDD: Extensive Planning, Adjustments and...

As all horizontal directional drilling (HDD) contractors know, you don’t really know what you’re getting int...

August 30, 2023
Features Dick Melsheimer in the field
Trenchless Pioneers: Dick Melsheimer

Dick Melsheimer’s innovations were critical to the success of Melfred Borzall, as well as the directional drilling mar...

August 16, 2023
Directional Drilling Vineyard Wind One project
Dual HDD Installs Key to Vineyard Wind One Offshore Wind...

The success of the HDD landfalls on the Vineyard Wind One project established a standard for all offshore wind and landf...

August 15, 2023
Directional Drilling Vermeer HDD maxi rig
HDD Maxi Rig Update – Gaining Strength and New Markets

Things are looking positive, strong and steady for the horizontal directional drilling (HDD) market these days...

August 11, 2023
Directional Drilling 2in mult-duct installation
LT Directional’s Large 27-Way, 2-in. Multi-Duct Installation

LT Directional's job was to install 27, 2-in. pipes over a few hundred feet that paralleled the San Mateo rail....

July 12, 2023
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