دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: drill pipe, drill collars, casing, or tubing that has inadvertently become immovable in the hole. Sticking may occur when drilling is in progress, when casing is being run in the hole. or when the drill pipe is being hoisted.

n: The portion of the drillstring that cannot be rotated or moved vertically.