WHAT IS TRENCH LESS PIPELINE CONSTRUCTION? THRUST BORING, HDD, MICRO TUNNELING? PART-1

#thrust boring, #trenchless #pipeline construction, #HDD, #Microtunnelling

What is trench less pipeline Construction?
I will discuss this topic in three parts- today is the overview- part-1

Basically, trenchless construction creates underground tunnels that are slightly larger than the line that is to be installed. The pipeline or conduit is then placed within these tunnels, while the surface remains unaffected.

Trenchless construction consists of installing pipes (e.g., culverts, utility lines) via “tunneling” under a highway. Trenchless construction should be considered in areas where conventional open-trench construction methods are undesirable (e.g., traffic impacts)

Trenchless construction methods

HORIZONTAL DIRECTIONAL DRILLING (HDD)
Pipes, conduits and cables are installed using a guided, surface-based drilling rig that creates a pathway underground. The rig then pulls the line through the resulting hole. HDD is suited to longer crossings and can be used to install both large and small diameter product lines. It is not feasible with all geological formations.

TUNNELING (AUGERING AND BORING)
Tunneling is always done in a straight line, and lends itself to crossings of shorter distances. It can be used to create tunnels of very large diameter (think train or pedestrian tunnels). Tunneling can be completed in a wide variety of geological formations. There are several common tunneling methods. A number of factors will determine which is best suited to a particular project.

DIRECT PIPE
Description: Direct Pipe® provides a one pass installation solution with a high degree of steering accuracy. This method combines the advantages of microtunneling and HDD technology to install prefabricated pipelines and excavate the required borehole in one pass.

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Description: This Video is the second step to get familiar with a Welding Procedure Specification. How It looks, What are the basic components of WPS? Essential Non Essential variables, From where to pick the data? Comparison of the International Qualifying Standards in relation with the WPS Variables. ASME B 31.3, ASME B31.4, ASME B31.8, API 1104 Comparison of the WPS requirements. Discussion of all modules of a WPS taking a sample example.


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Q. Who am I ?

Ans : I am a pipeliner in Saudi Arabia (Gulf) who has been working with oil and gas field for the past 21 years.

Q. What's my specialty?

Ans : I head the quality control department of an MNC in oil and gas control for the past 12 years.

Q. Why am I making videos about Oil and Pipeline?

Ans: To teach the basics about Oil and Pipeline, Job Opportunities , Placement in Gulf countries , Inspections and Interview procedures and more !! this channel is for people who are in need for some experienced voice.

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