... of the performed experiments are given. Two kinds of diverless techniques studied and then experimented are described: A rail mounted remote manipulator was specified, designed, built and then installed on the GRONDIN subsea station and remotely operated from a surface support. Various functions have been...

... ABSTRACT Two new units have been designed for adapting the steel wire line method, in universal use on land, to suit subsea wellheads. The subsea lubricator method makes use of a swell compensating unit installed on board a surface support and enables wire line operations to be performed from...