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Pulling Pins on an Oil Well Casing Elevator Spider

Customer

Al Masaood Oil Supplies and Services (MOISS)

Location

Abu Dhabi, United Arab Emirates

Challenge

The borehole of every oil well drilled must be cased with a durable material to prevent contamination and provide structural support during drilling. An elevator spider is used as a guide to aid in centering each casing. The pin on the elevator spider must be replaced after every drill in order to remove corrosion, dirt and grime built up during drilling. MOISS’s existing process for removing the pin took up to 4 hours and required continuous hammering.

Solution

A spindle bar was run through the center of a RCH-Series hollow cylinder mounted on a metal sleeve and connected to the pin in the elevator spider. The metal sleeve provided a reaction point and space to pull the entire pin out. The RCH-Series hollow plunger hydraulic cylinder powered by P-Series Ultima hydraulic hand pump provided a hydraulic solution to pull the pin out in less than 15 minutes, saving the maintenance team several hours.

Products

RCH-Series Hollow Plunger Cylinder, P-Series Ultima Hydraulic Hand Pump