These centralizers are designed to give a minimum amount of drag resistance when passing through the previous casing or wellhead and then spring out to fit undreamed sections and washouts. Used for oversized holes The welded construction provides for superior strength over non-welded centralizers. High quality springs steel undergo consistency special heat treatment. Hinge installed around the casing O.D. Runs freely into difficult well-bores while providing excellent standoff. Available Size: 4-1/2 to 7. (Any special sizes or combination can available on request).
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