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Superelastic nickel-titanium alloy downhole seals, wellbore tools including such seals, and related methods

  • US 9,611,937 B2
  • Filed: 10/29/2014
  • Issued: 04/04/2017
  • Est. Priority Date: 10/29/2014
  • Status: Active Grant
First Claim
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1. A superelastic metal seal, comprising a superelastic Ni—

  • Ti alloy, the superelastic Ni—

    Ti alloy including, by weight percent, about 65% to about 58% nickel (Ni) and about 35% to about 42% titanium (Ti), and wherein the superelastic Ni—

    Ti alloy is not capable of shape memory behavior.

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