Saudi Arabia-based marine construction group Murjan Al Sharq Marine Contracting Co (MSMC) has purchased a trio of workboats from Damen Shipyards for trenching and oil pipelay work.
MSMC general manager Chris Clark said the pipeline it is building will improve the efficiency of ageing oil production wells.
"We will be dredging a 5 km trench and installing a new trunk line to tie in wells that have been recently upgraded," he explained.
"For trenching, we can work with a backhoe dredger, or use the submersible pump in various configurations. And then for backfilling operations we have a mass flow excavator," Mr Clark added.
Damen built and delivered a Stan 1606 tug, a Shoalbuster 2509 workboat and a stan pontoon equipped with a submersible dredging pump to MSMC. The vessels were built in China, the Netherlands, and the United Arab Emirates, respectively.
Stan tug Murjan 22 was designed to support trenching and pipeline installation in very shallow waters and came from Damen Shipyards Changde in China.
Damen's shipyard in Hardinxveld, the Netherlands, produced the Shoalbuster Murjan 41, equipped with 30 tonnes of bollard pull and a 2-m draught.
And the stan pontoon was built at Albwardy Damen, in the UAE, and comes equipped with a 170-tonne Heila and a 100-tonne Liebherr crane.
MSMC is using Murjan 40, a multicat vessel that it purchased from Damen in 2017, for the first pipe work. It plans to use its newest tugs, Murjan 22 and Murjan 41, and pontoon for dredging and installing 4 km of pipe.
The pontoon has four-point mooring system and three hydraulically-driven 18-m long spud poles for holding position. It also has 515 m2 of deck space for containers, accommodation, workshops and control rooms.
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