Transocean Inc., Houston, (NYSE: RIG) plans to sell two semisubmersible rigs, Sedco 600 and Sedco 602, to JCE Group AB of Sweden for $52.7 million.

Since 1983 the rigs have been used as mobile offshore drilling units. They are expected to be converted to multi-service vessels. The Sedco 600 purchase may close in the fourth quarter; Sedco 602, during this quarter.