Patent ID: 9340942
Filing Date: 2016-05-17
CPC Classification: E02B,E21B,Y10T

Claim Text:
1. A method of installing an assembly for recovering hydrocarbons escaping from an underwater installation, the method comprising the steps of: bringing to a destination site, where the underwater installation is located, a lower hydrocarbon raising assembly including a canopy and ballasting compartments; deploying the lower assembly toward a seabed and vertically above the underwater installation; assembling, while at sea, an upper fluid raising assembly configured and operable to raise hydrocarbon fluid between the seabed and a surface installation, the upper assembly including: towing the upper assembly to the destination site; connecting the collecting chamber to the lower assembly; tensioning the first flexible pipe; and connecting a downstream end of the second flexible pipe to the surface installation, wherein the steps of assembling the upper assembly and towing the upper assembly to the destination site are performed in a first time period which is included in a second time period during which the step of bringing the lower assembly to the destination site is performed, or is included in a third time period during which the step of deploying the lower assembly toward the seabed is performed, or is included in a fourth time period during which the steps of bringing the lower assembly to the destination site and deploying the lower assembly toward the seabed are performed.