Chad-Cameroon pipeline modified to accomodate dam

chad cameroon pipelineThe modification of the Chad Cameroon oil pipeline is being carried out by workers from TD Williamson. (Image source: TD Williamson)The Chad-Cameroon oil pipeline has been modified to make way for the Lom Pangar Dam reservoir, which supplies electricity to Cameroon

The pipeline, which extends 1,080km from Chad to Kribi in Cameroon on the Atlantic coast, transports oil through the Cameroon coastal port. Two 13km long pipelines had to be modified to accomodate the Lom Pangar Dam.

The dam is an important developmental project for Cameroon which will supply electricity to millions of homes. Michael Ngako Tomdio, minister of energy and water for Cameroon, said, "In preparation for constructing the dam, extensive environmental assessments and studies were carried out, revealing that two sections of the pipeline would be flooded in the reservoir when the dam is completed, so they would have to be modified."

Officials stated that the certain portions of the pipeline ran through partially dense terrain, and had be to reconstructed to support 20 metre water columns that would eventually be installed when the dam is completed.

An Italian construction firm, which had been working on the modification, roped in pipeline services major TD Williamson to isolate the live pipelines, which would avoid disrupting major oil flow and continue with the modification as planned.

The TDW team, consisted of four technicians who carried out more than 30 hot tap and plugging operations to isolate pressure in the two sections. TDW's pipeline pressure intervention made it possible to cut, plug and safely isolate pressure from the sections without shutting them down.

Alexandre Flamand, project manager of EMEA, TDW, said, "We worked very closely with this construction firm which, like TDW, has vast experience in executing pipeline operations in remote, harsh environments. As a result, our joint efforts and shared commitment to careful planning and high levels of safety led to a successful result- the timely completion of the tie-ins, with an absolute minimal impact on the environment."

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