Vallianz Holdings has refused a request from the judicial managers of Swiber Holdings to pay around $63.5m in outstanding dues.

The offshore vessel operator, in which Swiber has a 25% stake, said Swiber owed it a similar amount and that should be taken into account.

Last week Swiber’s judicial managers said the company was facing $197m in claims amid its court-supervised restructuring.

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