semisubmersible rig

semisubmersible rig

n
(Mining & Quarrying) (in the oil industry) a type of drilling platform that floats supported by underwater pontoons, with much of its structure below the water line for stability in high winds: usually used only for exploratory drilling for oil or gas. Sometimes shortened to: semisubmersible
References in periodicals archive ?
Over the last two decades, we have delivered a number of significant projects for Azerbaijan, such as the semisubmersible rig Heydar Aliyev four months ago, and look forward to continue supporting Azerbaijan's oil and gas industry.
In conjunction , the company said it has signed an agreement with Petrobras for contracts on the semisubmersible rig Ocean Alliance and the drillship Ocean Clipper to be ended as of 30 October 2015, ahead of their original end dates, in return for an additional 875 days of contract term on the semisubmersible rig Ocean Courage.
By opting for a complete solution from a single supplier taking full responsibility for integrating all the systems into an efficient, optimized solution, the yards completion risks of this complex semisubmersible rig are minimized and the owners can expect maximum efficiency with optimal lifecycle costs," says Magnus Miemois, Vice President Wartsila Ship Power Solutions.
Keppel Offshore & Marine has won two contracts, one to convert an FPSO and the other to repair a semisubmersible rig for projects offshore Brazil.
The father-of-two was carrying out maintenance work on the semisubmersible rig MSV Regalia.
According to the company, the Noble Paul Wolff is a dynamically positioned semisubmersible rig, which operating off the coast of Brazil.
The rig will have to be moved out of the region as no dry-dock facility exists in Africa for a semisubmersible rig, the company added.
Scarabeo 8 is a 6th generation semisubmersible rig designed to carry out operations in ultra-deep waters of up to 3,000 m.
Diamond Offshore Drilling Inc (NYSE:DO), provider of contract drilling services, on Tuesday revealed that its subsidiary signed a contract with Jurong Shipyard of Singapore to build a moored semisubmersible rig with total project value of USD370m.
For instance, Keppel said last month it would build a deepwater semisubmersible rig for Ensco International worth $560 million.