Songa Mercur

The Songa Mercur is a semi-submersible drilling rig designed by Friede & Goldman, ex Shelf 10 and La Muralla. It is capable of drilling in water up to a depth of 1,200 feet (370 m).^[2][3]

Songa Mercur
History
Name	Songa Mercur
Owner	Opus Offshore
Operator	Songa-Opus JV
Port of registry	Marshall Islands, Majuro
Builder	Vyborg Shipyard
Yard number	113515
Laid down	24 July 1984
Completed	14 June 1990
Identification	Call sign: V7IG6 DNV ID: 22894 IMO number: 8755376
Fate	2018 scrapped in Chittagong
General characteristics
Type	Semi-submersible platform
Tonnage	12,660 GT 3,798 NT
Length	98 m (322 ft)
Beam	64.2 m (211 ft)
Draught	5.6 m (18 ft)
Depth	24.5 m (80 ft)
Notes	[1]

In May 2006, Songa Offshore signed a nine-month contract with Chevron to use the rig in Australia.^[4] A contract was later signed with Santos Limited, which was originally nine months and was extended to a year and then a year and a half.^[2][5] In 2013, the rig was contracted by Idemitsu Oil and Gas for drilling off Vietnam.^[6]

In 2014, Songa Offshore sold the rig to Opus Offshore as a part of the deal creating Songa-Opus joint venture.^[7]