Client
N.V. Nederlandse Gasunie Contractor
A.Hak Project
Gasrotonde Ommen - Esveld / Esveld - Angerlo Location
Lochem, Nederland Implementation period
February 2011 - April 2011
World record Direct Pipe drilling
A.Hak Drillcon noticed the potential of the Direct Pipe technology, the minute this technology was introduced. As one of the first companies in the world A.Hak Drillcon procured and used the equipment, for the first time in May 2010. After five successful Direct Pipe technology projects, the capacity of this drilling technique has been put to the test; a drilling of 1.400 meter 48" for a high pressure gas pipe is the next challenge!
48" drilling of 1.400 meters
The gas pipeline route Ommen - Esveld, part of the Dutch gas network, was difficult to reach because of the high groundwater table. An innovative solution was found and agreed between the N.V. Nederlandse Gasunie, A.Hak Leidingbouw and A.Hak Drillcon. Using the Direct Pipe technique with a distance of almost one and a half kilometer! Critics were convinced that 800 meter was the maximum achievable distance. Linking theoretical knowledge to field experience, A.Hak Drillcon was able to increase the maximum drilling lengths of the Direct Pipe technique. With this project A.Hak Drillcon showed the world the advantages of the Direct Pipe technique by drilling a Long Direct Pipe of no less than 1.400 meter. The technique
Executing this crossing required a lot of preparation. Firstly, extra pumping capacity was required due to the longer lengths over which the drilling mud had to be transported. Secondly, it was decided to use a second Pipe Thruster to increase the jacking force. These Pipe 足Thrusters were arranged in series to create a maximum of 1.000 tonne pressing force. Details of this drilling Pipe material steel 48" x 15,9 mm Soil conditions sand Daily output on average 77 m1 Activation 2 Pipe Thruster after 900 m1 Maximum pressing force 750 tonne Total length 1.400 m1 nd
A.Hak Drillcon used the Long Direct Pipe technique for this crossing in march 2011. We choose a seven day production week. Beyond all expectations, the drilling was executed and successfully completed in only eighteen days. With this drilling we achieved the world record World record Direct Pipe: 1.400 meter 48" steel pipeline executed with Direct Pipe by A.Hak Drillcon. Meanwhile A.Hak Drillcon successfully conducted several projects with the Direct Pipe technique in which this technique proves itself time and again, both the Long Direct Pipe as well as the Direct Pipe technique!
Engelseweg 159 5705 AD Helmond The Netherlands A.Hak Drillcon B.V. PO Box 715 5700 AS Helmond T +31 (0)492 345 600 F +31 (0)492 345 601 @ drillcon@a-hak.nl ADDRESS
POSTAL ADDRESS
WWW.A-HAKDRILLCON.NL/english
The Netherlands
This provides us with the equipment to offer our clients the best suited solutions in situations where conventional techniques are deemed impossible or carry too much risk.