Case Study Mirage machines

SUBSEA WINDOW MACHINING

willhartshorn Case Studies, Linear Milling, Subsea Leave a Comment

REQUIREMENTS: A 26-1/2” conductor required a 1.3 x 0.45m window machining with 50mm radii 9m from the sea bed for a mud dump vent clamp to be fitted. Cold cutting was specified due to the 26-1/2” conductor housing 13-3/8” casing and a power line that could not be damaged during cutting. SOLUTION: Mirage Gantry (GM2000) and Milling Rail (MR1500) were …

Case Study Mirage machines

SUBSEA WELLHEAD REMOVAL

willhartshorn Case Studies, Portable Saws, Subsea Leave a Comment

Above: Initial test cut at Mirage Subsea HQ. Above: Wellhead configuration at subsea depth of 7,000ft. REQUIREMENTS: Our client’s project was to remove a wellhead at a subsea depth of 7,000ft. Achieving this involved cutting an X-70, 36” diameter, 2” wall pipe, 3” above the mudline. SOLUTION: Although a diamond wire saw would be capable of making the cut on …