Importance

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Abstract

The present invention relates to a rebuilt double hull tanker and a method of rebuilding an existing single hull tanker into a rebuilt double hull tanker. The rebuilt double hull tanker includes a rebuilt double hull comprising a new double bottom hull and new double side hulls. The internally rebuilt double bottom hull includes the existing outer bottom hull and a new inner bottom hull that is disposed internal and spaced apart from the existing outer bottom hull. The externally rebuilt double side hulls (e.g., port and starboard) include the existing inner side hulls and new outer side hulls disposed external and spaced apart from the existing inner side hull. The rebuilt double bottom hull is connected at each end (e.g., at the turn of the bilge) to the rebuilt double side hulls. The method includes forming the new double hull, including a new double bottom hull and new double side hulls, over at least the cargo carrying portion of the tanker by installing the new inner bottom hull internally over the existing outer bottom hull through access holes cut into the sides of the tanker and installing the new double side hulls externally over the existing inner side hulls.

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First Claim