riggers working on anchor handling on a construction wok barge at offshore terengganu oil field during sunrise

anchor barge boat construction coverall deck diesel drilling edge energy engine engineering exploration fairlead fender field fossil fuel gas gasoline hardhat hazard helmet hydrocarbon industrial industry installation job logistic malaysia maneuvering marine mariner maritime nautical navigation occupation ocean offshore oil oilfield oilrig operation petroleum platform process production project rig rigger rigging roughneck safety sea seaman ship shipping site steel stern supply swivel team teamwork technology terengganu tidal tide transport transportation tug tugboat upstream vessel water wave weather winch work workers