Patent ID: 7699110

Claim:
A subsea wellhead assembly comprising: a subsea production tree having a bore, an upper tubing annulus port, and a lower tubing annulus port, the upper tubing annulus port and the lower tubing annulus port each intersecting the bore and in communication with each other exterior of the bore; and a retrievable tool for cleaning the bore, the retrievable tool comprising a housing having an upper end for connection to a string of conduit to run the housing into and out of the bore, a passageway longitudinally disposed within the housing, at least one outlet disposed within the housing and in fluid communication with the passageway, and a seal disposed on an exterior surface of the housing above each of the at least one outlets, the seal sealing against the bore of the subsea production tree between where the lower tubing annulus port and the upper tubing annulus port intersect the bore, such that fluid pumped down the string of conduit flows down the passageway, out at least one of the at least one outlets, up the lower tubing annulus port and out the upper tubing annulus port into the bore to clean the bore.