Monitoring Casing Condition
Once a casing string has been successfully cemented in place and tested, subsequent operations must be planned to ensure that the casing remains fit for purpose. Condition monitoring systems should be implemented to highlight the potential problems so that timely action can be taken.
1 Drillpipe tool joint hardfacing
Tool joint hardfacing on drillpipe should be designed so as to minimise casing wear (see section on casing wear). Acceptable specifications, hardfacing techniques, and inspection procedures have been developped.
These requirements should be included in all drilling contracts, and the condition of the . . .