CPC F16L 1/166 (2013.01) [F16L 1/207 (2013.01)] | 30 Claims |
1. A method of recovering a used pipeline from an underwater location to the surface of a body of water, the method comprising comprises: at the underwater location, attaching a recovery cap to the pipeline to surround an end of the pipeline; upending at least an end portion of the pipeline underwater with the recovery cap on top; and, while lifting the upended pipeline toward the surface, capturing within the recovery cap hydrocarbon contaminants rising from the pipeline; and conveying the captured contaminants from the recovery cap to a reservoir; wherein the reservoir is external to the recover cap and supported on a lifting wire attached to the recovery cap.
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