The FMS 375 is mounted flush with the rig floor, allowing the casing connection height to be lowered 1 meter (3 feet), thus eliminating the need for scaffolding. The rig crew also has more room to work by removing the spider body from the top of the rig floor. The units are designed to fit into 37-1/2″ and 49-1/2″ (FMS 375) rotary tables.
The FMS 375 is provided with standard rotary locks in case the rotary torque needs to be transmitted to the casing string. In the event of loss of hydraulic power, the slip assemblies can be raised and lowered manually from a single point at the top of the FMS.
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