Patent ID: 8813853

Claim:
A cap for covering an open upper end of a subsea structure of a wellbore, comprising: an outer body having a cavity and sized to fit over said subsea structure; a cap body coupled to one end of the outer body, wherein the cap body comprises an opening extending therethrough; an inner sleeve positioned within the cavity of the outer body and coupled to the cap body, the inner sleeve having a hollow portion defined by a sleeve wall, wherein the opening of the cap body provides access to the hollow portion of the inner sleeve and thereby provides access to said wellbore, wherein the sleeve wall of the inner sleeve and the outer body define a spacing for engaging said subsea structure, wherein the inner sleeve comprises an entry port, an exit port, and a channel through the sleeve wall extending from the entry port to the exit port, wherein the cap body comprises a notch in communication with the entry port of the inner sleeve; a removable cover for covering the opening of the cap body.