I had thought at first it didn't because it was never mentioned in any document anywhere by name and I would have thought something that "major" would have been. Since it wasn't specifically mentioned by name I reasoned that it must be an asset of one of the non-filing subsidiaries...which would be untouchable to Creditors (outside of a 363 sale).
This is what threw me off back in January:
BANKRUPT US independent ATP Oil & Gas and Chinese shipyard Cosco are locked in talks over the potential sale of the nearly completed Octabuoy floating production semi-submersible hull