LONDON, March 1 (Reuters) - Spanish oil company Repsol has launched the sale of its Norwegian subsidiary, Repsol Norge AS, according to a marketing document seen by Reuters.

Investment bank Rothschild is running the sale of 10 assets located in the Norwegian Continental Shelf consisting of seven producing fields with net reserves of 53 mmboe (36% of them gas) and 2024 net production of 29 mboedp.

The project, code-named Hemera, will include all employees, asset tax and asset tax histories, lease liabilities and decommissioning guarantees and obligations.

A spokesperson for Repsol declined to comment. Rothschild spokesperson didn´t reply to a request for comments outside business hours.

The total value of the assets, which included operated and no-operated fields, is below $500 million, according to one source close to the deal. (Reporting by Ron Bousso, writing by Andres Gonzalez, Editing by Louise Heavens)