DRILLING DERRICK FOR OFFSHORE DRILLING INCORPORATING A STRESSED-SKIN AND OFFSHORE PLATFORM

摘要

A drilling derrick (1) for offshore drilling operations arranged to be a protecting enclosure (3) accommodating a drill pipe device adapted to perform drilling operations and allowing a pipe section to be moved to and from the drilling derrick (1), the drilling derrick (1) accommodating a pipe racking structure for stacking and retaining pipe sections for use in drilling operations, the drilling derrick (1) is adapted to be mounted on a deck (2). The drilling derrick (1) comprising a stressed-skin structure having external load carrying panels (3). The invention also relates to an offshore platform comprising at least one drilling derrick (1).