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Title: Submarine pipeline trenching by multipass ploughs
Category: Papers by Dr Andrew Palmer
Downloadable: Yes 
Project No.:
Research Agency:
Catalog No.: AP52
Date of Publication: 1985
Price: $25.00 US
Authors: R J Brown and A C Palmer
Abstract: A major development program for large ploughs to trench submarine pipelines began in 1975, and has led to the construction of 13 ploughs, which have been used in many parts of the world. Deep trenches are best cut in a sequence of separate passes. The paper describes the development of the first multipass plough, used to trench the Gullfaks pipeline in 1984, and the application of the concept to Arctic pipelines, which may require trenches more than 4 m deep.
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