Patent ID: 7114571

Claim:
A landing string assembly for installing a subsea completion through a marine riser which is connected to a BOP, the landing string assembly comprising: a flow package which comprises an elongate body that is lowerable from a surface vessel through the marine riser and is engageable in use by at least one of the pipe rams and the annular seals of the BOP; a tubing hanger running tool which is connected to or formed integrally with the body; a first fluid flow conduit which extends through a portion of the body and the tubing hanger running tool and comprises a first end which is connectable with one of a production bore or an annulus bore in a tubing hanger and a second end which is connected to a first port in the body; wherein engagement of at least one of the pipe rams and the annular seals forms a sealed flow connection between a choke or kill line of the BOP and the first port; and at least one of a wireline lubricator or coiled tubing injector which comprises a least a portion that is lowerable through the marine riser and mountable to an upper end of the body.