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Pipeline survey and freespan correction, Bach Ho

The Bach Ho Gas Pipeline is located at the South Coast of Vietnam in the province of Vung Tau and comprises a 16" pipeline installed in 1994. The 16" pipeline is one of the main production lines of Petrovietnam Gas Company (PVGAS) and important for the supply of natural gas to electrical power plants, production and export of LPG and other domestic users.

Boskalis Offshore was awarded a contract for rectification works on the 5 km shore approach section of this pipeline. The scope of work for this project consisted of two main activities. In the first place a hydrographical multibeam survey had to be executed to determine the exact location and extent of exposed/freespanning pipeline. Secondly these locations would have to be protected by means of rock installation. The project was completed by the end of July 2004, in good time and to the Client’s satisfaction.

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