The Songa Mercur is a
semi-submersible
Semi-submersible may refer to a self-propelled vessel, such as:
*Heavy-lift ship, which partially submerge to allow their cargo (another ship) to float into place for transport
*Narco-submarine, some of which remained partially on the surface
*Se ...
drilling rig
A drilling rig is an integrated system that Drilling, drills wells, such as oil or water wells, or holes for piling and other construction purposes, into the earth's subsurface. Drilling rigs can be massive structures housing equipment used to ...
designed by Friede & Goldman, ex ''Shelf 10'' and ''La Muralla''. It is capable of
drilling
Drilling is a cutting process where a drill bit is spun to cut a hole of circular cross-section in solid materials. The drill bit is usually a rotary cutting tool, often multi-point. The bit is pressed against the work-piece and rotated at ...
in water up to a depth of .
In May 2006,
Songa Offshore signed a nine-month contract with
Chevron to use the rig in
Australia. A contract was later signed with
Santos Limited
Santos Ltd. (South Australia Northern Territory Oil Search) is an Australian oil and gas exploration and production company, with its headquarters in Adelaide, South Australia. It owns liquefied natural gas (LNG), pipeline gas, and oil assets. ...
, which was originally nine months and was extended to a year and then a year and a half.
Vietnam
Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making it ...
.[
]
In 2014, Songa Offshore sold the rig to Opus Offshore as a part of the deal creating Songa-Opus joint venture.[
]
See also
* Semi-submersible
Semi-submersible may refer to a self-propelled vessel, such as:
*Heavy-lift ship, which partially submerge to allow their cargo (another ship) to float into place for transport
*Narco-submarine, some of which remained partially on the surface
*Se ...
* Semi-submersible Platform
A semi-submersible platform is a specialised marine vessel used in offshore roles including as offshore drilling rigs, safety vessels, oil production platforms, and heavy lift cranes. They have good ship stability and seakeeping, better than ...
* drilling platform
A drilling rig is an integrated system that drills wells, such as oil or water wells, or holes for piling and other construction purposes, into the earth's subsurface. Drilling rigs can be massive structures housing equipment used to drill wa ...
References
{{reflist
External links
Songa Mercur official executive summary
(PDF)
* Virtual tour:
1990 ships
Drilling rigs
Semi-submersibles
Ships built in the Soviet Union
Ships of the Marshall Islands