M-I SWACO

Ancillary Tools

A variety of tools designed for specific tasks during different parts of the WBCU. This ranges from simple drifting subs to various bull nose or landing sub functions.

Name

Function/Application

	Landing Sub	The Landing Sub can be used to activate an MFCT device or act as a “no-go” for other tools. This is usually done on a liner-top polished-bore receptacle or other similar internal-diameter restriction.
	Posi-Drift Sub	The Posi-Drift Sub is specifically designed to drift the casing not only during drilling but wellbore cleanup operations as well, prior to running the completion equipment.

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Ancillary Tools

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Ancillary Tools