دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

hydraulic workover, usually working under pressure. Some HWO units are set up with pipe handling capacity as are snubbing units.

n: a snubbing unit.

n: see tools for operating under pressure.

without a drilling or workover rig (may involve a wireline unit, snubbing unit, or coiled tubing unit).

the snubbing unit control location.

n: either a stand-alone device or a rig-assist device that is used to force pipe into the well when the well is shut in on a kick. When the pipes weight is not sufficient to overcome the upward force of well pressure, a snubbing unit must be used. Compare stripping in.

n: see personnel basket.

the basket on a snubbing unit where the operator stands.