دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: on the drawworks, a spool for the sandline.

n: a wireline used on drilling rigs and well-servicing rigs to operate a swab or bailer, to retrieve cores or to run logging devices. It is usually 0/16 of an inch (14 millimetres) in diameter and several thousand feet or metres long.

n: a special bit or mill run on a cable-tool drilling line, a well servicing rig, or the sandline of a rotary drilling rig to mill out tools or drill out downhole debris.

n: see sandline.