Pipetech launches DWCS subsea cleaning system

Aberdeen- and Stavanger-based specialist cleaning company, Pipetech, has launch a new and innovative cleaning system for subsea infrastructure. Less than six months ago the organisation was tasked to develop a solution for one of the North Seas’ major operators. The company’s team of specialist engineers produced what is now called the Deep Water Cleaning System (DWCS).

The technology uses no chemicals, only water, to clean any subsea system to its original state. The technology is not dependent on any auxiliary vessel to place the device on the seabed. The equipment is sunk through the moon pool of the rig and down to the subsea infrastructure, where it is place over the wellhead. An ROV connects the water supply and the unit is secured to the manifold with a pipe end connection tool. Then the cleaning operation begins.

The equipment has a rotating hose drum which is used to feed the hose and nozzles into the pipe gates. This configuration means that the line is kept taut, preventing pigtails and cavitation from arising.

In case of problems such as a stuck pig, where access typically is difficult, the operation is just as simple. Instead of intrusive and prolonged repairs, involving the cutting of pipes or hoisting devices to have pigs recovered, Pipetech just flushes them away. It is effective and easy.

(Image: DWCS – Deep Water Cleaning System, Pipetech)

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