Gas-Lift Mandrel 2
Gas-Lift Mandrel 2 : A device run in the tubing string into which a gas-lift valve is installed. The two most common types of mandrels are the conventional mandrel and the sidepocket mandrel. The gas-lift valve is installed in the conventional gas-lift mandrel as the tubing is placed in the well. To replace or repair the valve the tubing string must be pulled. On the other hand, the gas-lift valve is installed and removed from the sidepocket mandrel by wireline while the mandrel is still in the well, eliminating the need to pull the tubing to repair or replace the gas-lift valves. (WLOP)
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