External Casing & Retrieving Systems

Brand: Schlumberger
Product Code: External Casing & Retrieving Systems

External Casing & Retrieving Systems

Quickly repair damaged casing or tubing strings without reducing ID

 

External casing and tubing patches are designed to quickly repair damaged casing or tubing strings without reducing ID in regular or slimhole sections. First, the casing or tubing string is removed to a point below the damaged section, and then the top of the casing or tubing stub is dressed with a milling tool. Finally, the external casing or tubing patch is run over the casing or tubing to a depth sufficient to engage the slip.

Corrosion-resistant alloys (CRAs) and low-yield alloys are available for sour-service wells. For underwater wellhead application, extensions are available for packer patches.

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