![Liao River HDD Crossing Ф1016mm Natural Gas Pipeline Installation in sand stone with great resistance of pull-back Jan - Typical HDD Projects - Huayuan Liao River HDD Crossing Ф1016mm Natural Gas Pipeline Installation in sand stone with great resistance of pull-back Jan - Typical HDD Projects - Huayuan](http://www.hycrossing.com/upload/month_1810/201810101704399304.jpg)
Liao River HDD Crossing Ф1016mm Natural Gas Pipeline Installation in sand stone with great resistance of pull-back Jan - Typical HDD Projects - Huayuan
تويتر \ Adelphia Gateway على تويتر: "Horizontal Directional Drilling (HDD) is on-going at multiple sites. “Pullback” is the last step in #HDD pipeline installation where the prefabricated #pipeline section is pulled through
![How to HDD: Horizontal Directional Drilling for difficult pipeline installations – Design and Construction How to HDD: Horizontal Directional Drilling for difficult pipeline installations – Design and Construction](http://yppusa.org/wp-content/uploads/2017/04/hdd.png)
How to HDD: Horizontal Directional Drilling for difficult pipeline installations – Design and Construction
![Horizontal Directional Drilling (HDD) construction procedure (Platosh,... | Download Scientific Diagram Horizontal Directional Drilling (HDD) construction procedure (Platosh,... | Download Scientific Diagram](https://www.researchgate.net/profile/Mohammadreza-Malek-Mohammadi/publication/331503479/figure/fig1/AS:820445230161922@1572620794268/Horizontal-Directional-Drilling-HDD-construction-procedure-Platosh-2010.png)
Horizontal Directional Drilling (HDD) construction procedure (Platosh,... | Download Scientific Diagram
![Horizontal Directional Drilling (HDD) construction procedure (Platosh,... | Download Scientific Diagram Horizontal Directional Drilling (HDD) construction procedure (Platosh,... | Download Scientific Diagram](https://www.researchgate.net/profile/Mohammadreza-Malek-Mohammadi/publication/334263806/figure/fig1/AS:784584778186752@1564070996164/Horizontal-Directional-Drilling-HDD-construction-procedure-Platosh-2010.jpg)