Horizontal directional drilling articles and news.
Technical articles on horizontal directional drilling (HDD), pipe jacking, microtunnelling and trenchless technology; record-breaking HDD projects and industry news from around the world.
How Is a River Crossing Built? HDD Pipeline Crossings Step by Step
How a pipeline is taken under a river by HDD: investigation, profile design, entry and exit angles, depth of cover, frac-out risk, reaming and pullback.
HDD or Open-Cut Trenching? A Cost and Time Comparison
HDD or open-cut trenching? Direct and indirect costs of both methods, duration, risk and a decision table showing which is more economical where.
Geotechnical Investigation for HDD: How Ground Type Decides Method and Tooling
Why a geotechnical investigation is essential for HDD: how drill head, reamer, drilling fluid and risk change in clay, sand, gravel and rock.
Horizontal Directional Drilling to Power the Nordic AI Superhighway
Arelion is using horizontal directional drilling (HDD) to bring subsea cables ashore at Nørre Nebel, Denmark — trenchless landfalls for AI data-centre traffic.
SSEN Relies on HDD for £9.6 Million M27 Project
With a £9.6 million investment, SSEN installed a 260-metre power cable crossing 15.8 metres beneath the M27 motorway by horizontal directional drilling (HDD).
The Crossing Group Completes Record-Breaking HDD Intersect in Freezing Cold
The Crossing Group completed a 2,955-metre intersect HDD crossing beneath the Athabasca River in Canada in freezing conditions. Casings and technical details.
A Giant Floating Solar Plant Comes Online in Europe
Power from the 31 MW floating solar plant in Obourg, Belgium was brought ashore by 700+ metres of horizontal directional drilling without harming the lake.
National Grid Launches 271-Tonne Giant Machine Beneath the River Thames
On National Grid's Grain to Tilbury project, the 271.5-tonne TBM Caroline has set off to build a 2.2 km power cable tunnel beneath the River Thames.
4,058-Metre HDD World Record
Engineers India Limited set a new HDD world record with a 4,058-metre, 26-inch horizontal directional drilling crossing beneath the Brahmaputra River.
Electric versus Diesel Directional Drilling Rigs
Electric, hybrid and diesel HDD rigs compared: energy efficiency, emissions, noise, urban use and the fully electric directional drilling rigs available today.
Sewer Construction in Miami
In Miami, a 1,000-metre, 54-inch HDPE sewer line was installed by horizontal directional drilling through limestone. Rock drilling and large-diameter lessons.
One Kilometre a Day
Anderson Underground in the USA set a record by drilling 1,030 metres in a single day — with a 12-tonne HDD rig. On rig size and productivity in Türkiye.
Deltek Horizontal Directional Drilling — Rock Drilling
Site video of Deltek's horizontal directional drilling in rock: fluid-driven drilling with a mud motor, rock reamers and HDD in hard formations.