HALIFAX — BP Canada has reported a spill of drilling fluids from its oil exploration operation taking place off the coast of Nova Scotia.

An incident report on the Canada-Nova Scotia Offshore Petroleum Board website said there is a “preliminary estimate” that 136 cubic metres spilled from the West Aquarius drilling unit on Friday before it was stopped.

The news release said an early investigation by the company indicates the spill occurred in piping about 30 metres below sea level.

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