دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the addition of a length of drill pipe or tubing to the active string using the rathole instead of the mousehole, which is the more common connection. The length to be added is placed in the rathole, made up to the kelly, pulled out of the rathole, and made up into the string. Compare mousehole connection.

n: refer tomouse hole connection