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Seal-Tite® International
has developed a line of unique pressure activated sealants that are
designed to seal even high pressure repair jobs such as wellhead
and tubing hanger leaks; sustained casing pressure and microannulus
leaks; salt dome storage cavern leaks; subsea connection and
umbilical leaks; safety valve, production tubing and packer leaks;
and flowline leaks in wells and hydraulic systems. The sealants are
unique in that a pressure drop through the leak site causes the
sealant fluids to polymerize into a flexible solid bond. Only at
this point of differential pressure will the sealant polymerization
process occur. As the reaction proceeds, the polymerized sealant
plates out on the edges of the leak site and simultaneously links
across to seal the leak. The resulting seal is a flexible bond
across the leak site. The remainder of the sealant remains liquid
and will not clog equipment.
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