A containment fitting for a wellhead capping device including a truncated conical section capable of fitting into a central aperture of a flange that is attached to a ruptured wellhead pipe end and which can be fitted into position by several wires or cables that are pulled through apertures in the pipe wellhead flange. A method of installation includes undersea welding of the flange onto the end of the ruptured wellhead and inserting plural bobbin structures attached to cable wires into through holes extending at angularly opposed sides of the flange such and when completely in line through a second flange on constriction equipment, can bring the flanges adjacent and in line to permit attachment therebetween by bolts.
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