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Klostermansfeld Railway Crossing

September 22, 2022 by  
Filed under Prime Blog

Railway Crossing in south of Klostermansfeld, Germany.

Tracking used: Surface coil
Distance: 104.75m
Depth: 6m
Horizontal Curve: Straight crossing
Entry Angle: 13deg
Exit Angle: 14deg
Ground: Stiff clay
Pipeline: 225mm HDPE
Technique: Prime Horizontal supplied 3 ¾” Mud motor, 4 1/8” Assembly & 6 ½” #MilledTooth Bit
From the beginning #drilling through clay, getting stiffer/harder as we were going deeper. Prime Horizontal’s #MudMotor performed really well. The end reason was to pull through electric cables under the railway tracks.

Edmonton Legislature Building- Power Upgrade

September 7, 2022 by  
Filed under Prime Blog

Short ones are the tricky ones.  

Tracking used: #ParaTrack2  
Location: Downtown Edmonton, Alberta, Canada  

Distance: 250m (820 ft)  

Depth: 20m (66 ft)  

Horizontal Curve: 19.23deg  

Entry Angle: 13deg  

Exit Angle: 4deg  

Ground: Sand/Gravel/Clay  

Pipeline: 18inch HDPE  

Technique:
#MudMotor (90%) and #Jetting (the last 10%)  

We were contacted to do a special project for which was #complex in nature. The project was in the hustling bustling downtown area of Edmonton City.   

A Power #Upgrade required 2 power lines to be installed under the Alberta Legislature Grounds. Both drills were designed to have 4m lateral separation. Tight spaces were the prime feature of this job.   

An entry pad was specially built which could only accommodate the drill rig & nothing else. The Exit point was located 3 floors down in a Car Park. 32-inch-wide holes were tactically drilled out of the concrete of the parking wall, to enable the BHA to poke through.   

There was no room for error. The challenge was accepted and both times we hit the target dead center. The combination of compound curves and constantly changing ground geology added to the challenge. Together with the dedication and teamwork of Omni Directional Boring LP and Prime Horizontal, both bores were completed, and the product was pulled in safely.   

#ThankYou for the mention 

Read more here!

#innovationandexperience #teamworkmakesthedreamwork  

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Fuldi River Crossing

September 5, 2022 by  
Filed under Prime Blog

Prime Horizontal
#InnovationAndExperience
Tracking used: #ParaTrack1 (Tensor) Supported by Prime Horizontal’s Indian based engineer
Location: Narayanganj, Bangladesh
Distance: 600.11 m
Depth: 28 m
Entry Angle: 12deg
Exit Angle: 8 deg
Ground: Sand
Pipeline: (size and material) 18” + 6” steel pipe
Technique: #JettingAssembly

 

Laying the pipeline to transport oil from Chattogram to Dhaka for Central Depository Bangladesh Limited (CDBL). HDD method was utilized to cross the Fuldi River to connect both ends of the pipeline of this project.
Creating Confidence from Entry to Exit!
#teamworkmakesthedreamwork

 

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Parallel Bore Under The World’s Busiest Canal

September 1, 2022 by  
Filed under Prime Blog

Tracking used: Surface Coil + AC Beacon for bore #1, Underground Coil for bore #2
Location: Rendsburg, Germany
Distance: bore #1: 378.49m, bore #2: 381.58m
Depth: 24m
Entry Angle: 10deg
Exit Angle: 10deg
Ground: Clay with some stones – Jetting Assembly
Pipeline: One pipe of 315mm and one of 355mm HDPE

 

Two new 20kV electric lines needed to cross underneath the Nord-Oostzeekanaal (also known as the Kiel Canal). The Kiel Canal is the world’s busiest #canal and the most frequented artificial waterway with an annual average of 32,000 ships (approx. 90 daily), transporting approximately 100 million tonnes of goods.
It is a 98km freshwater canal which links the North Sea at Brunsbüttel to the Baltic Sea at Kiel-Holtenau. An average of 250 nautical miles (460 km) is saved by using the Kiel Canal instead of going around the Jutland Peninsula. This not only saves time but also avoids storm-prone seas and having to pass through the Danish straits.

 

The #parallel bores were installed 10meters apart from each other. The first with a Surface Coil & #ACBeacon, the second with a wire installed inside the first bore/pipe. #ParaTrack2 was utilised on this job, demonstrating accurate parallel drilling as well as flexibility with Surface Tracking Systems, Surface Coil & AC Beacon.

 

 

Kiel Canal

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