دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a chamber in which excessive pressure can gradually be reduced to atmospheric pressure. It is especially equipped to help divers complete their decompression schedules and may also be used to treat diving casualties. One or more of the compartments may be installed on the deck of a work boat or barge.

n: workover equipment designed in equipment packages or modules that are light enough to be lifted onto an offshore platform by a platform crane. In most cases, the maximum weight of a module is 12,000 pounds (5,443 kilograms). Once lifted from the work boat, the rig can be erected and working within twenty-four to thirty-six hours.

n: a boat or self-propelled barge used to carry supplies, tools, and equipment to job site offshore.