Below you can find logos, similar to the Ocean Rig.

Wright Wright vector
VARIG AIRLINES VARIG AIRLINES  vector
Yubright Yubright vector
Nintendo Original Nintendo Original vector
Brighton Rocks Brighton Rocks vector
Bright Bright vector
Rigips 50 Rigips 50 vector
Ocean Ocean vector
Ocean Energy Ocean Energy vector
Rigel Rigel vector
Ocean Partners Ocean Partners vector
Ocean's Eleven Ocean's Eleven vector
Oceanic Systems Oceanic Systems vector
Aurigny Air Services Aurigny Air Services vector
Serigrap Serigrap vector