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    Unocal installs Indonesian production platform

    News // February 1, 2002
    A 'float over and ballast down' technique has been used to install a new offshore production platform at the Yakin oil and gas field, 8km off the coast of Balikpapan in Indonesia's East Kalimantan.

    According to leading consulting firm, Sinclair Knight Merz, the use of the technique has resulted in substantial savings on the deck installation costs for the platform's owner, UNOCAL Indonesia. Sinclair Knight Merz proposed the technique, with its costeffectiveness playing a key role in the Indonesian construction company, H&H Utama, winning the platform construction tender. H&H Utama had commissioned Sinclair Knight Merz to carry out the process, mechanical, electrical, instrumentation and structural design of the platform's double-deck topside. It had also engaged the firm to engineer the loadout, seafastening and installation of the topside during its movement from the onshore fabrication facility to its installation on the offshore jacket - a cross-braced support tower through which piles are driven to anchor it to the seabed.

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