the wellhead 44 when this occurs a resilient gasket has not been effective to solve the problem instead a bore seal and spacer spool are run into the bore 50 of the wellhead 44 to provide a replacement sealing area for the gasket between the wellhead 44 and the connector 52 if damage to the primary sealing area which can be caused by debris or remote operated vehicle impact or improper wellhead handling is noticed on the rig it can be buffed out or the actual wellhead housing replaced on the other hand if such a problem is discovered subsea a resilient seal gasket has been used in the past with some success it should be noted that the gaskets themselves if not properly designed or if the connector 52 is not properly locked to the wellhead 44 or if for some reason the primary sealing surface has been mechanically altered conditions supporting a leak will be present in view of the temperature and pressure requirements of well operators and the need to use metal to metal seals in those conditions many of the solutions tried in the past can no longer be used in most installations it thus becomes more important to be able to configure the sealing areas both primary 46 and secondary 60 in a configuration where the secondary sealing area will not be damaged due to erosive effects of a leak of the primary sealing area 46 it should be noted that the configuration shown in fig4 6 does not require a reduction in the.