Maxi and Mega HDD Rigs

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Powerful HDD Rigs and equipment

Page last modified

April 11 2024

With horizontal directional drilling technology from Herrenknecht, pipelines can be installed rapidly, economically, and with minimized impact on the environment and existing infrastructure. Answering the trend of the pipeline industry towards longer and larger crossings, Herrenknecht´s HDD range has been expanded by new features and technologies such as downhole tooling, the Pipe Thruster as a mobile power reserve, and high-torque Rig versions. Mud handling systems, and breakout units complete Herrenknecht´s HDD portfolio, as well as future-oriented Hybrid and Electro Rig versions and advanced digitalization.

Pros & Limitations

Economic and environmentally-friendly method for installing pipelines

Space saving construction site reduces impact on traffic and public life

Reliable and approved technology

Suitable for a large variety of ground conditions like stable, loose soils or rock

Several borehole diameters and lengths can be realized with only one machine

Equipped with powerful and reliable drive technology

Available as Trailer-, Crawler-, Frame-, Modular or Compact-Rig to suit every operational area

Remote access for support and monitoring of drill parameters

Fractured ground and high downhole pressure increases the risk of frack-outs

Unstable ground conditions increases the risk of break-ins

Specification

Specification Title	Specification Description
Areas of application	Crossing of rivers, streets or other obstacles in various kinds of geologies; Landfalls / Sea Outfalls.
Certification / licenses	CE and UL certification available.
Application conditions	Applicable in stable, loose soils and rock.
Pipe Diameters	8’’- 60’'.
Coatings	PE, PP, FBE, GRP, Concrete Coating.
Drilling lengths	Up to 4000m (depending on project conditions like pipe diameter, ground conditions etc.).
Digitalisation	Remote service and data analysis is implemented.
Environment	Small jobsite footprint, reduces transportation effort, electrical and hybrid drive technology.
Accuracy	Well developed steering technologies result in high accuracy
Economic Tools	Approved downhole tools increases performance. Easy exchange of the tooling.