ALIGNMENT GUIDE FEATURE FOR METAL TO METAL SEAL PROTECTION ON MECHANICAL CONNECTIONS AND COUPLINGS
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United States of America Patent
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Issued Date -
May 28, 2015
app pub date -
Mar 31, 2014
filing date -
Nov 22, 2013
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Abstract
A connection is established between a pin connector and a box connector defined on a pair of tubular members such as casing segments in the field of oil and gas recovery. The pin connector and box connector include features for the protection of metallic-sealing surfaces during assembly, disassembly, transport and handling of the tubular members. The pin connector includes a stabbing flank with an inwardly tapered annular flank surface thereon, and an alignment protrusion extending outward with respect to the pin-side metallic sealing surface in a direction normal to a cone angle defined by the inwardly tapered annular flank surface. The alignment protrusion engages internal surfaces of the box connector to concentrically align the pin connector with the box connector, and thereby protects the metallic sealing surfaces from damage that might otherwise result from collisions between the pin connector and the box connector.
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