Case Threading

Requirement:

A 9-5/8” casing required cutting and extending by re-threading in situ to enable wellhead refurbishment to take place. The casing required a tapered Butress thread with Api profile.

Location:

Kuwait - Onshore

Equipment Utilised:

Mirage MM300e drive and taper turning and threading attachment directly geared to give the correct thread pitch.

Method:

The machine clamped around the casing and was also centralised allowing quick set-up true to the casing outside diameter. The turning attachment then turned the outside diameter taper. The threading attachment was then engaged to create the buttress thread form with the correct pitch to allow casing make up.

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