دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a device made up on the bottom of the fishing string to catch and retrieve pieces of junk from the bottom of the hole.

n: a cyclindrical tool designed to retrieve junk or foreign objects loose in a wellbore.

may also be called a Jet Basket: a device with nozzles and a basket or catch basin to catch smaller pieces of junk stirred up by circulation.