The scope BP asked us for support with the assurance of an emergency shutdown valve (ESDV) overhaul. The project proposed to pig a remote isolation tool downstream of the ESDV, where it would be set with the aim of providing a safe isolation barrier to allow repair or replacement. BP operate the pipeline but a …
The problem Jee was asked to carry out assurance for the potential future use of an isolation plug to facilitate the replacement of a topsides pig launcher valve on a major gas export pipeline in the North Sea. In 2010, an isolation plug was used in the same pipeline to allow replacement of a section …
The problem Our client planned to tie a new development into an existing 24” export line at an in-line spool, by removing the spool and installing a new 24” wye structure. The existing line and the new development would tie in to the wye structure and tie in spools. As part of the installation and …
The scope A major operator found that an isolation plug that was intended to stay in the pipework on a platform had broken free from its position and was thought to have made its way into the pipeline. Concern was raised that the plug had the potential to travel through the pipeline as far as …
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